schedule of guaranteed · pdf filepower transformer (220/132/11 kv, ... (substation...

Schedule of Guaranteed Characteristics

Nile Basin Initiative – Nile Equatorial Lakes Subsidiary Action Program Interconnection of Electric Grids of Nile Equatorial Lakes Countries Bidding Document – Lot B: Extension of the Lessos Substation for Kenya-Uganda Power Interconnection

Part 2 : Section VI – Employer’s Requirements Schedule of Guaranteed Characteristics of 74

Table of Contents Power Transformer (220/132/11 kV, 90 MVA) ..................................................................................... 4

132 kV General Purpose Circuit Breaker .......................................................................................... 11

220 kV General Purpose Circuit Breaker .......................................................................................... 14

132 kV Disconnector ........................................................................................................................... 17

220 kV Disconnector ........................................................................................................................... 19

132 kV Current Transformer............................................................................................................... 21

220 kV Current Transformer............................................................................................................... 22

132 kV Capacitive Voltage Transformer ........................................................................................... 23

220 kV Capacitive Voltage Transformer ........................................................................................... 24

220 kV Line Trap .................................................................................................................................. 25

Lightning Arrester ............................................................................................................................... 26

220 kV Shunt Reactor, 10 MVAr ......................................................................................................... 27

220 kV Internally Fused Shunt Capacitor Bank ............................................................................... 30

12 kV Neutral Reactor ......................................................................................................................... 33

Digital Multiplex and Optical Line Termination System (SDH) ....................................................... 35

Emission of the Equipment (Substation Environment) .................................................................. 38

Immunity of the Equipment (Substation Environment) .................................................................. 38

VoIP System ........................................................................................................................................ 40

Digital Control and Monitoring System ............................................................................................ 43

Bay Control Unit .................................................................................................................................. 45

Tele Protection Equipment................................................................................................................. 48

Line Differential Relay, Protection "A" ............................................................................................. 49

Distance Relay, Protection "B" .......................................................................................................... 53

Transformer Protection ...................................................................................................................... 56

Bus Bar Differential Protection .......................................................................................................... 58

Energy Meter ....................................................................................................................................... 60

Batteries and Dual Charger ................................................................................................................ 61

A.C. Distribution Panel ....................................................................................................................... 61

D.C Distribution Panel ........................................................................................................................ 63

Control, Protection, Signaling and Meter Panel .............................................................................. 64

Low Voltage Power Cable .................................................................................................................. 66



Aluminum Bus Bar .............................................................................................................................. 68

Post Insulator ...................................................................................................................................... 69

11 kV and 33 kV High Voltage Power Cable ..................................................................................... 70

11 kV Metal – Clad Switchboard ........................................................................................................ 72

Diesel Generator ................................................................................................................................. 73

Schedule of Special Tools .................................................................................................................. 74



Power Transformer (220/132/11 kV, 90 MVA) Description Required Provided

− Manufacturer

− Type

− Standards applied IEC 60076

− Method of cooling ONAN/ONAF/ONAF

− Number of Phases 3

− Frequency, Hz 50

− Rated Temperature, °C -5 up to 40

− Operating altitude, meters above sea level (m.a.s.l) 2146

− Rated voltage:

a) 220 kV winding, kV 220

b) 132 kV winding, kV 132

c) 11 kV winding, KV 11

− Rated Continuous Power on all taps at ONAF:

1) 220 kV winding, MVA 90



− Voltage regulation by on-load tap changer on 220 kV winding, range in %

+ 12 taps @0,85%

− Number of tap positions of on load tap-changer 25

− Vector group (Connection symbol) YNyn0d11

− No-load and Load losses between 220 and 132 kV windings

a) No-load losses at rated voltage, frequency and at nominal tap position, kW

b) Load losses between 220 kV and 132 kV winding, @ ONAN base and at the following tap position:-

c) Maximum tap position, kW

d) Nominal tap position, kW

e) Minimum tap position, kW

f) Maximum load losses at mean tap position and @ ONAN base, kW

g) Maximum load losses at mean tap position and @ ONAF base, kW

h) Total losses at mean tap position and @ ONAN base, kW

i) Total losses at mean tap position and @ ONAF base, kW

j) Total losses at tap giving maximum losses @ ONAN base, kW

k) Total losses at tap giving maximum losses @ ONAF base, kW

− No-load and Load losses between 220 and 11 kV windings



Description Required Provided

a) No-load losses at rated voltage, frequency and at nominal tap position, kW

b) Load losses between 220 kV and 11 kV winding, @ ONAN base and at the following tap position:

Maximum tap position, kW

Nominal tap position, kW

Minimum tap position, kW

c) Maximum load losses at mean tap position and @ ONAN base, kW

d) Maximum load losses at mean tap position and @ ONAF base, kW

e) Total losses at mean tap position and @ ONAN base, kW

f) Total losses at mean tap position and @ ONAF base, kW

g) Total losses at tap giving maximum losses @ ONAN base, kW

h) Total losses at tap giving maximum losses @ ONAF base, kW

− Efficiency referred to 75 °C at rated voltage tapping and at :

a) 100% rated output and unity power factor, % > 99.5

b) 75% rated output and unity power factor, % > 99.5

c) 50% rated output and unity power factor, % > 99.5

d) 25% rated output and unity power factor, % > 99.5

e) 100% rated output and 0.8 power factor, % > 99.5

f) 75% rated output and 0.8 power factor, % > 99.5

g) 50% rated output and 0.8 power factor, % > 99.5

h) 25% rated output and 0.8 power factor, % > 99.5

− No load current at nominal tap position as percent of rated current @ ONAN base :

a) at 90 % voltage

b) at 100 % voltage

c) at 110 % voltage

− No load current at nominal tap position as percent of rated current @ ONAF base :

a) at 90 % voltage, %

b) at 100 % voltage, %

c) at 110 % voltage, %

− Content of harmonics as percent of no-load current at 100% rated voltage when power transformer at 220 kV tap position

a) 3rd harmonics

b) 5th harmonics

c) 7th harmonics

− Content of harmonics as percent of no-load current at 100% rated voltage

a) 3rd harmonics, %




b) 5th harmonics, %

c) 7th harmonics, %

− Voltage ratio at no-load and at nominal tap position 220/132/11 kV

− Permissible overload occurring once a day at regular hours :

a) Continuous loading after 100 % output

1) 30 minutes duration

Percent overload, %

Winding temperature, °C

2) 2 hours duration

Percent overload, %


b) Continuous loading after 75 % output


Percent overload, %


2) 2 hours duration

Percent overload, %


c) Continuous loading after 50 % output


Percent overload, %


2) 2 hours duration

Percent overload, % Winding temperature, °C

− Permissible exceptional overload for duration of 30 minutes :

a) Continuous loading after 100 % output

Percent overload, %


b) Continuous loading after 75 % output

Percent overload, %


c) Continuous loading after 50 % output

Percent overload, %


− Maximum output without forced cooling at 40 °C ambient temperature at 220 kV side, (MVA)

50.4

− Temperature rise (referred to 40°C ambient temperature) at continuous rated output :

a) Winding, °C 65

b) Oil, °C 78




c) Core, °C

− Class and material of winding insulation

− Class and material of insulation of iron core laminations

− Type and quality of oil Shell DIALA B

− Magnetic flux density at rated voltage and 50 Hz in:-

a) Legs, W/.m2 < 1.75

b) Yokes, W/.m2 < 1.75

− Current density at rated output and at mid - position of tap

a) 220 kV winding , A/mm2

b) 132 kV winding , A/mm2

− May the transformer and all accessories and components be loaded in accordance with IEC publication 354, (Yes/No)

Yes

− Specific core losses at 50 Hz and :

a) 10000 gauss, W/kg

b) 15000 gauss, W/kg

− Transformer tank

a) Type Bolted cover

b) Thickness of side wall, mm >15

c) Thickness of bottom , mm >26

d) Thickness of cover , mm >15

e) Filling medium for shipment Nitrogen

f) Vacuum which tank will safely withstand, mm/kg

− Oil conservator capacity, liters

− Test voltage

a) Induced voltage test

1) 220 kV winding at 200 Hz, kV 395

2) 132 kV winding at 200 Hz, kV 325

3) 11 kV winding short-duration induced test, kV 28

b) Separate source voltages test

1) Phase-to-ground 220 kV winding at 60 sec. , kV 395

2) Phase-to-phase 220 kV winding at 60 sec. , kV 510

3) 132 kV winding at 60 sec. , kV 325

4) 11 kV winding at 60 sec., kV 28

c) Switching impulse test

1) 220 kV winding phase-to-ground , kV 650

2) 220 kV winding phase-to-phase , kV 950

d) Impulse test voltage full wave 1.2/50 micro sec.

1) 220 kV winding , kV 950

2) 132 kV winding , kV 750

3) 11 kV winding, kV 75




4) Neutral winding, kV 95

− R.M.S. symmetrical short circuit current,

a) At 220 kV terminals, kA 31,5

b) At 132 kV terminals, kA 31.5

c) At 11 kV terminals, kA 31,5

− Time to withstand short circuit, sec. 3

− Sound power level with all fans working , dBA < 88

− On-load tap-changer

a) Manufacturer

b) Type On Load Tap Changing - Vacuum

c) Current rating, A

d) Voltage class, kV

e) System of design, kV

f) Life time of contact

g) Total number of voltage steps 25

h) Total range of voltage variation, % +12 x 0,85%

i) Voltage variation per step, V

j) Supply voltage of drive motor (A.C. or D.C., V) 415 VAC/110 VDC

k) Permissible number of duty cycles per hour

l) Control circuit voltage, V, DC 110

− Bushings

a) 220 kV bushing

1) Manufacturer

2) Type condenser

3) Rated current, A 1250

4) Rated voltage, kV 220

5) Power frequency test voltage, kV 460

6) Impulse test voltage, kV 1050

7) Creepage distance, mm 6125

b) 132 kV bushing

1) Manufacturer

2) Type condenser






c) 11 kV bushing

1) Manufacturer




2) Type





7) Creepage distance, mm (31mm/kV x 12 kV) 342

d) Neutral bushing

1) Manufacturer

2) Type

3) Rated current, A

4) Rated voltage, kV

5) Power frequency test voltage, kV


7) Creepage distance, mm

− Current Transformer (built-in neutral bushings)

a) Manufacturer

b) Type

c) Ratio See SLD

d) Accuracy 10P20

e) Burden 15 VA

f) Number of cores See SLD

− Weights :

a) Core and windings, kg

b) Oil, kg

c) Tank without heat exchanger, kg

d) Total power transformer with oil and including all accessories, ready for commissioning, kg

e) Transport weight of heaviest part, kg

− Accessories :

a) Type of temperature indicating device

b) Type of hottest spot temperature indicator

c) Type of mercury bulb type winding temperature indicator

d) Type of oil temperature indicator

e) Type of pressure relief devices

f) Type of Buchholtz relay

− Dimensions

a) Overall length, mm

b) Overall width, mm

c) Overall height, mm

d) Height without bushings, mm




e) Un tanking height, mm

f) Transportation dimension of heaviest part

1) Length, mm

2) Width, mm

3) Height, mm

g) Transportation dimension of largest part

1) Length, mm

2) Width, mm

3) Height, mm

h) Outline drawing No.

− Wiring and Terminal Cabinets

a) Low Voltage supply, V, A.C. 380/220

b) Control voltage, V, D.C 110



132 kV General Purpose Circuit Breaker Description Required Provided

Line bay Transformer & busbar bay

− Manufacturer

− Type


− Installation outdoor

− Rated voltage (kV) 132

− Maximum System voltage 145

− Rated normal current, (A) 1250/2500

− Rated frequency (Hz) 50

− Rated Temperature, (°C) -5 up to 40

− Rated operating sequence 0-0.3s-CO-3min-CO

− Rated short time withstand current:-

a) 1 second, kA rms ≥ 40

b) 3 second, kA rms ≥ 31.5

− Rated short circuit breaking current

a) Symmetrical, kA rms 31,5

b) DC components, (%)

− Rated short circuit making current, kA peak ≥ 80

− Rated lightning impulse withstand voltage, KV

a) Phase to earth 550

b) Across of the open breaker gap 650

− Power frequency withstand voltage, 1min, kV 325

− Opening time from trip contact closing to primary contact separation (microsecond.)

20000

− Interrupting time (opening time plus maximum arc interrupting time) (Microsecond)

40000

− Rated transient recovery voltage (TRV) at 100% rated short circuit breaking current (kV)

> 291

− Rated out-of-phase breaking current, kA

− Rated line charging breaking current, A > 63

− Rated cable charging breaking capacity current, A Not Applicable

− Phase factor (first - pole - to clear factor) < 1.5

− Creepage distance (mm) 4250

− Type of material for main contract surfaces Silver plated copper

− Number of operation for which contacts are designed at:

a) Rated current >10,000





b) Breaking current > 30

− Type of interrupting chamber

− Tripping coil current, A, DC < 1.0

− Closing coil current, A, DC < 1.0

− Tripping coil operating voltage, V, DC 110

− Closing coil operating voltage, V, DC 110

− Operating range of tripping coils, 70-110%(Un)

− Operating range of closing coils, 85-110%(Un)

− Weight of breaker (kg)

− Overall length of assembled circuit breaker (mm)

− Overall width of assembled circuit breaker (mm)

− Overall height of assembled circuit breaker (mm)

− Phase spacing (mm)

− Minimum vertical distance between upper and lower terminal of the circuit breaker (mm)

− Minimum vertical distance between lower side of the circuit breaker and metallic support (mm)

− Operating altitude, meters above sea level (m.a.s.l)

2146

− Number of closing coils, per pole 1

− Number of tripping coils, per pole 2

− Operating mechanism

a) Type, spring operated (Yes/No) yes

b) Number of poles per breaker 1 for line bay and 3 for

transformer and bus bar

− Rated auxiliary supply voltage

a) Motor voltage, V 110 V, DC

b) Opening and closing control circuit voltage, V, DC

110 V, DC

c) Heating and lighting, V, AC 240

− Number of auxiliary switch contacts

a) Contacts normally open ≥ 10

b) Contacts normally closed ≥ 10

− Local electrical control with two pushbuttons (Yes/No)

yes

− Local / remote switch, (Yes/No) yes

− Anti pumping relay, (Yes/No) yes

− Insulating gas SF6

a) Rated pressure SF6 at 200C, bar





b) Signal loss of SF6 at 200C, bar Not critical

c) General lockout at 200C, bar Not critical

d) Leakage rate of SF6 per annum, % < 5.0

e) Mass of SF6 gas, kg

− Standards applied IEC 62271-100

− Manufacturer's catalogues designation of complete circuit breaker

− Catalogue No. of operating mechanism



220 kV General Purpose Circuit Breaker Description Required Provided

Line bay Transformer bay

− Manufacturer

− Type


− Installation Outdoor


− Maximum System voltage 245

− Rated normal current, (A) 1250



− Rated operating sequence 0-0.3s-CO-3min-CO

− Rated short time withstand current:-

a) 1 second, kA rms ≥ 40

b) 3 second, kA rms ≥ 31.5

− Rated short circuit breaking current

a) Symmetrical, kA rms 31,5

b) DC components, (%)

− Rated short circuit making current, kA peak ≥ 80

− Rated lightning impulse withstand voltage, KV

a) Phase to earth 1050

b) Across of the open breaker gap 1175

− Power frequency withstand voltage, 1min, kV 460

− Opening time from trip contact closing to primary contact separation (microsecond.)

− Interrupting time (opening time plus maximum arc interrupting time) (Microsecond)

− Closing time from moment the coil becomes − energized to contact make (microsecond)

− Rated transient recovery voltage (TRV) at − 100% rated short circuit breaking current (kV)

> 364

− Rated out-of-phase breaking current, kA

− Rated line charging breaking current, A > 125

− Rated cable charging breaking capacity current, A

− Phase factor (first - pole - to clear factor) < 1.3


− Type of material for main contract surfaces Silver plated copper

− Number of operation for which contacts are





designed at:

a) Rated current >10,000

b) Breaking current > 30

− Type of interrupting chamber

− Tripping coil current, A, DC

− Closing coil current, A, DC

− Tripping coil operating voltage, V, DC 110

− Closing coil operating voltage, V, DC 110

− Operating range of tripping coils, 70-110%(Un)

− Operating range of closing coils, 85-110%(Un)

− Weight of breaker (kg)

− Overall length of assembled circuit breaker (mm)

− Overall width of assembled circuit breaker (mm)

− Overall height of assembled circuit breaker (mm)

− Phase spacing (mm)

− Minimum vertical distance between upper and lower terminal of the circuit breaker (mm)

− Minimum vertical distance between lower side of the circuit breaker and metallic support (mm)

− Operating altitude, meters above sea level (m.a.s.l)

2146

− Number of closing coils, per pole 1

− Number of tripping coils, per pole 2

− Operating mechanism

a) Type, spring operated (Yes/No) yes

b) Number of poles per breaker 1 for line bay and 3 for

transformer and bus bar


a) Motor voltage, V 110 V, DC

b) Opening and closing control circuit voltage, V, DC

110 V, DC





− Local electrical control with two pushbuttons (Yes/No)

yes

− Local / remote switch, (Yes/No) yes

− Anti pumping relay, (Yes/No) yes





− Insulating gas SF6

a) Rated pressure SF6 at 200C, bar

b) Signal loss of SF6 at 200C, bar

c) General lockout at 200C, bar

d) Leakage rate of SF6 per annum, %

e) Mass of SF6 gas, kg


− Manufacturer's catalogues designation of complete circuit breaker




132 kV Disconnector Description Required Provided

Line and transformer

bay disconnector

Bus bar disconnector

− Manufacturer

− Type center break




− Maximum allowable continuous voltage (kV) 145

− Rated normal current, (A) 1250 / 2500


− Rated short-time current rms 1 sec. (kA) ≥ 40

− Rated short-time current rms 3 sec. (kA) ≥ 31.5

− Charging current breaking capacity, A > 125

− Magnetizing current breaking capacity, A Not Applicable

− Grounding blades peak current (kA) > 80

− Rated lightning impulse withstand voltage

a) Phase to earth, kV 750

b) Across the isolating distance (kV) 860

− Power frequency withstand voltage, 1min



− Clearance between phases (mm)

− Minimum clearance between live parts & ground (mm)

− Contacts separation when fully open (mm)


− Type of operating mechanism for:-

a) Disconnectors manual and motor

b) Grounding blades (manual or motor operated)

manual




− Material of contact surface Silver plated copper

− With electrical local / remote control including ON/OFF push buttons with key, (Yes / No)

yes

− Motor drive with limit switch for emergency hand operation, (Yes/No)

yes




Line and transformer

bay disconnector


− Weight of one pole without operating mechanism (kg)

− Total weight complete without structure (kg)

− Dimensions

a) Length (mm)

b) Width (mm)

c) Height (mm)


a) motor voltage, V, DC 110

b) control voltage, V DC 110



− Catalogue No. of operating mechanism 4



220 kV Disconnector Description Required Provided

Line and transformer bay

disconnector


− Manufacturer

− Type (line and transformer bay /busbar) center break




− Maximum allowable continuous voltage (kV)

245

− Rated normal current, (A) 1250 / 2500


− Rated short-time current rms 1 sec. (kA) ≥ 40

− Rated short-time current rms 3 sec. (kA) ≥ 31.5

− Charging current breaking capacity, A > 125

− Magnetizing current breaking capacity, A Not Applicable

− Grounding blades peak current (kA) > 80




− Power frequency withstand voltage, 1min



− Clearance between phases (mm)

− Minimum clearance between live parts & ground (mm)

− Contacts separation when fully open (mm)


− Type of operating mechanism for:-

a) Disconnectors manual and motor

b) Grounding blades (manual or motor operated)

manual




− Material of contact surface Silver plated copper




Line and transformer bay

disconnector


− With electrical local / remote control including ON/OFF push buttons with key (Yes / No)

yes

− Motor drive with limit switch for emergency hand operation (Yes/No)

yes

− Weight of one pole without operating mechanism (kg)

− Total weight complete without structure (kg)

− Dimensions

a) Length (mm)

b) Width (mm)

c) Height (mm)


a) motor voltage, VDC 110

b) control voltage, VDC 110

c) Heating and lighting, VAC 220





132 kV Current Transformer Description Required Provided


Bus bar coupler bay

− Manufacturer

− Type



− Insulating material oil/paper

− Rated Voltage (kV) 132


− Rated current, primary (A)

a) Line bay 300-600

b) Transformer bay 300-600

c) Bus bar coupler bay 300-600

− Rated current, Secondary (A) 1

− Number of cores 5

− Rated burden for metering core (VA) See note 1

− Rated burden for protection core (VA) ≥ 30

− Accuracy class for metering core ≤ 0.2 S

− Accuracy class for protection core 5P/10P

− Saturation factor for metering core Fs ≥ 5

− Creepage distance, (mm) 4250

− Saturation factor for protection core ≥ 30

− Permissible continuous over load (%)

− Rated short-time current rms 1sec.(kA) ≥ 31.5

− Dynamic current (kA) ≥ 80

− Lightning Impulse withstand voltage (kV), 750

− Power frequency withstand voltage 1-min, kV

325

− Overall dimensions (mm)

− Weight (kg)

− Standard applied IEC 60044-1

Note 1: Rated Burden must be determined by the Contractor and summit to Client for approval



220 kV Current Transformer Description Required Provided


Bus bar coupler bay

− Manufacturer

− Type



− Insulating material oil/paper

− Rated Voltage (kV) 220


− Rated current, primary (A)

a) Line bay 400-800

b) Transformer bay 400-800

c) Bus bar coupler bay 400-800

− Rated current, Secondary (A) 1

− Number of cores 5

− Rated burden for metering core (VA) See note 1

− Rated burden for protection core (VA) ≥ 30

− Accuracy class for metering core ≤ 0.2 S

− Accuracy class for protection core 10P

− Saturation factor for metering core Fs ≤ 5

− Creepage distance, (mm) 6125

− Saturation factor for protection core ≥ 30

− Permissible continuous over load (%)

− Rated short-time current rms 1sec.(kA) ≥ 31.5

− Dynamic current (kA) ≥ 80

− Lightning Impulse withstand voltage (kV), 1050

− Power frequency withstand voltage 1-min, kV

460


− Weight (kg)


Note 1: Rated Burden must be determined by the Contractor and summit to Client for approval



132 kV Capacitive Voltage Transformer Description Required Provided

− Manufacturer

− Type



− Highest system voltage, kV 145


− Insulating material paper/oil

− Rated primary voltage, (kV) 132/√3

− Rated voltage, winding 1, (V) 110/√3


− Number of windings 2

− Rated burden, winding 1, (VA) 100


− Rated voltage factor

− Maximum allowable (thermal) burden at continuous services, (VA)

> 150

− Metering class for secondary winding 1 0,2 S

− Protection accuracy class for secondary winding 1 3 P

− Minimum clearance between live parts (mm)

− Lightning Impulse withstand voltage (kV) 750

− Power frequency withstand voltage 1-min (kV) 325

− Minimum creepage distance (mm) 4250


− Weight (kg)




220 kV Capacitive Voltage Transformer Description Required Provided

− Manufacturer

− Type





− Insulating material paper/oil

− Rated primary voltage, (kV) 220/√3



− Number of windings 2



− Rated voltage factor

− Maximum allowable (thermal) burden at continuous services, (VA)

> 150

− Metering class for secondary winding 1 0,2 S



− Minimum clearance between live parts (mm)

− Lightning Impulse withstand voltage (kV) 1050

− Power frequency withstand voltage 1-min (kV) 460

− Minimum creepage distance (mm) 6125


− Weight (kg)




220 kV Line Trap Description Required Provided

− Manufacturer

− Type



− Standard applied IEC 60353



Lightning Arrester


220 kV 132 kV 220 kV 132kV

− Manufacturer

− Type

− Installation outdoor outdoor

− Rated voltage of arrester (kV) 192 120

− TOV capacity:

a) for 1 second, kVrms ≥ 222 ≥ 139

b) for 10 second, kVrms ≥ 211 ≥ 132

− Max. permissible line to ground voltage (kV)

− Power frequency withstand voltage, 1 min., kV

≥ 460 ≥ 325

− Impulse voltage at (1.2/50 microsecond) 1050 750

− Residual voltage at (8/20 microsecond) and at 10 kA, (kV)

≤ 452 ≤ 311

− Residual voltage at (30/60 microsecond) and at 1,0 kA, (kV)

≤ 381 ≤ 257

− Rated discharge current (kA) 10 10

− Maximum discharge current (kA)

− Creepage distance (mm) 6125 3625

− Overall dimensions (mm) (height)

− Overall weight (kg)

− Max. residual voltage with current wave of − (30/70 micro sec.) at 1 kA (kV)

− Energy capability

a) Line discharge class (IEC) 3 3

b) 2 impulses, as per IEC 99-4, kJ/kV, Ur 7,8 7,8

c) Pressure relief withstand

− Catalogues No.


IEC 60099-4

Note 1: The Contractor shall undertake insulation coordination studies to demonstrate the rating and location of lightning arresters are adequate.



220 kV Shunt Reactor, 10 MVAr Description Required Provided

− Manufacturer

− Type



− Highest Operating Voltage Um, kV 245

− Rated voltage, kV 220

− Method of cooling ONAN





− Rated power, MVAr 10

− Connection of winding YN

− No-load loss at 75°C, at nominal tap position and rated voltage, KW

− No-load loss at 75°C & at tap position for maximum voltage (+10%) voltage, KW

− No-load loss at 75°C & at tap position for minimum voltage (-10%) voltage, KW

− Construction of core

c) With / without core With five legs core

d) With / without magnetic return With magnetic return

− “Air” gaps in magnetic circuit

a) Material used for gaps

b) Number of individual gaps

c) Length of individual gaps, mm

− Flux density at rated conditions W/mm2 1.33

− Test voltage

1. Induced voltage test

a) 220 kV winding long-duration induced voltage test required

2. Separate source voltages test

a) Neutral winding at 60 sec., kV 70

3. Switching impulse test

a) 220 kV winding phase-to-ground switching impulse test, kV

750

b) 220 kV winding phase-to-phase switching impulse test, kV

950

4. Impulse test voltage full wave 1.2/50 micro sec.

a) 220 kV winding, kV 950




b) Neutral winding, kV 170

− Sound power level at rated conditions, LWAI, dBA < 77

− RMS Symmetrical short circuit at 220 kV terminals, KA 31.5

− Maximum output at 40°C ambient temperature, (MVAr) 10

− Temperature rise (referred to 40°C ambient temperature) at continuous rated output:

− Bushings

e) 220 kV bushing

8) Manufacturer

9) Type






15) Minimum distance between phases, mm 2600

f) Low voltage bushing

8) Manufacturer

9) Type






− Type and quality of oil Shell DIALA B

− Current transformer (built-in 220 kV bushings)

a) Manufacturer

b) Type

c) Ratio 75/1A 300-600/1/1A

d) Accuracy for metering core 0.5

e) Accuracy for protection core 10P20

f) Burden (metering core / protection bushings) 15 VA

g) Number of cores 3

− Current transformer (built-in neutral bushings)

a) Manufacturer

b) Type

c) Ratio 100/1/1A

d) Accuracy 10P20




e) Burden 15 VA

f) Number of cores 2

− Accessories :

a) Type of temperature indicating device

b) Type of hottest spot temperature indicator

c) Type of oil temperature indicator

d) Type of pressure relief devices

e) Type of Buchholtz relay

− Weights

a) Core and windings, kg

b) Oil, kg

c) Tank without heat exchanger, kg

d) Total weight of shunt reactor with oil and including all accessories, ready for commissioning, kg

e) Transport weight of heaviest part, kg

− Dimensions

i) Overall length, mm

j) Overall width, mm

k) Overall height, mm

l) Height without bushings, mm

m) Un tanking height, mm

n) Transportation dimension of heaviest part

4) Length, mm

5) Width, mm

6) Height, mm

o) Transportation dimension of largest part

4) Length, mm

5) Width, mm

6) Height, mm

p) Outline drawing No.



220 kV Internally Fused Shunt Capacitor Bank Description Required Provided

− Manufacturer

− Type

− Standards applied IEC 60871


− Capacitor unit design (Externally-fused, internally-fused or fuseless)

Internally fused

− Highest Operating Voltage Um, kV 245


− Voltage overrating factor, % 1.1





− Nominal capacitance of single phase bank at 20°C, µF

− Bank arrangement Earthed “H” configuration

− Capacitance manufacturing tolerance, % 5

− Rated power, MVAr 25

− Maximum forecasted output, MVAr

− Variation of capacitance due to temperature variation over the required temperature range, %/°C

− Rated current, A

− Rated short time withstand current:

a) 1 second, KA rms ≥ 31.5

b) 3 second, kA rms

c) Short circuit current for calculation of damping reactor, kA rms

12



b) Phase-to-phase, kV

− Power frequency withstand voltage, 1min 460

− Minimum clearance

a) Phase-to-earth, mm 2700

b) Phase-to-phase, mm 4000


− Maximum losses at 40°C and rated voltage, kW

− The tangent of the losses angle

− Number of capacitor unit per phase

a) Number of high voltage capacitor unit per string




b) Number of string per phase

c) Number of low voltage capacitor unit in parallel per phase for differential voltage measurement

− Post insulator

a) Manufacturer

b) Type

c) Creepage distance (mm/kV) 25

− Estimated time to discharge down to the limit specified in IEC 60871

a) For a capacitor unit, s

b) For complete capacitor single phase banks, s

− Current transformer for current unbalance protection

a) Manufacturer

b) Type

c) Ratio

d) Accuracy

e) Burden

f) Number of cores

− Fuse

a) Type

b) Continuous voltage rating

c) Continuous current rating

d) Maximum breaking current

− High voltage capacitor unit

a) Manufacturer

b) Type

c) Rated voltage, kV

d) Rated power, MVAr

e) Maximum power, MVAr

f) Overvoltage

1. Maximum continuous overvoltage, %

2. Maximum overvoltage for 30 minutes, %

3. Maximum overvoltage for 1 minute, %

4. Maximum overvoltage for 1 second, %

5. Maximum overvoltage for 3 cycles, %

g) Rated capacitance at 20 °C, µF

h) Capacitance manufacturing tolerance, %

i) Weight, kg

j) Bushing

1. Quantity per unit




2. Manufacturer

3. Rated voltage, kV

4. Creepage distance, mm

k) Series capacitor elements

l) Parallel capacitor elements

m) Insulation embodied in each element

1. Paper and/or film

2. Type

Oil

Paper

Film

3. Thickness of film, mm

4. Design maximum dielectric stresses, kV/mm

5. Minimum rms breakdown voltage, kV

n) Container

1. Thickness of container

2. Type of material

3. Color of paint

− Dimensions




d) Transportation dimension of heaviest part

7) Length, mm

8) Width, mm

9) Height, mm

e) Transportation dimension of largest part

7) Length, mm

8) Width, mm

9) Height, mm

f) Outline drawing No.



12 kV Neutral Reactor Description Required Provided

− Manufacturer

− Type


− Method of cooling ONAN





− Rated short circuit power, (kVA)

− Permissible neutral current (A)

− Power frequency withstand test voltage, (kV) 28

− Test voltage

1. Short duration induced voltage test

a) High voltage winding, kV 28

2. Separate source voltages test

a) High voltage winding at 60 sec., kV 28

b) Neutral winding at 60 sec., kV

3. Impulse test voltage full wave 1.2/50 micro sec.

a) High voltage winding, kV 75

b) Neutral winding, kV 28

− Zero sequence impedance (ohm/phase) Xn=Xp

− Maximum ambient temperature, °C 40

− Tank type Bolted type cover

− Bushings

a) High voltage bushing

1) Manufacturer

2) Type

3) Rated current, A


5) Power frequency test voltage, kV >28

6) Impulse test voltage, kV >75


b) Low voltage bushing

1) Manufacturer

2) Type

3) Rated current, A





5) Power frequency test voltage, kV


7) Creepage distance, mm

− Current transformer (built-in neutral bushings)

a) Manufacturer

b) Type

c) Ratio 100/1/1A

d) Accuracy 10P20

e) Burden 15 VA

f) Number of cores 2

− Accessories :

a) Type of hottest spot temperature indicator

b) Type of oil temperature indicator

c) Type of pressure relief devices

d) Type of Bucholz relay

− Dimensions and weights




d) Total weight incl.

e) Weight of oil, (kg)

f) Weight of core and windings, (kg)

g) Shipping weight of the heaviest package, (kg)


− Manufacturers drawing



Digital Multiplex and Optical Line Termination System (SDH) Description Required Provided

− General

a) Manufacturer

b) Place of manufacture

c) Type

d) Type of multiplexer SDH: ADM

e) Complying to ITU-T rec Yes

f) Transmission Capacity (Mbits/s) STM-16: 2488

g) Access capacity on 64 kbit/s (channel) Minimum 200

h) Access capacity on 2 Mbit/s (channel) Minimum 40

i) Redundant central processor Shall be supplied

j) Digital cross connect function Fully non-blocking

k) PDH cross connect capacity Minimum 40x2Mbit/s

l) SDH cross connect capacity Minimum 4xVC4

m) Equipment used in substation environment List of 10 reference substation projects

n) The equipment is KEMA type tested or by equivalent independent international test center

YES

− Protection functionality

a) Multiplex Section Protection MSP YES

b) Linear Trail Protection LTP YES

c) Sub Network Connection Protection SNCP YES

− Teleprotection functionality:

a) Integrated distance teleprotection functionality

YES

b) Integrated optical teleprotection functionality YES

c) Addressing system for commands YES

d) Loop test for delay time YES

e) Switch-over less than 10ms YES

− Available STM-1 AGGREGATES:

a) Optical SDH aggregates (ITU-T G.957) S-1.1, L-1.1, L-1.2, X-1.2

b) Based on SFP technology YES

c) Electrical SDH aggregates YES

− Available USER INTERFACES

a) Voice interfaces for trunk lines:

1) 1 + 1 com path protection, available for all

YES

2) Analogue, 4wire with E&M: Input level Output level (dBr)

+7.5 to –16 +7.0 to –16.5

3) Analogue, 2wire with E&M: Input level +6.5 to –12.5



Description Required Provided Output level (dBr) –1.0 to -20

4) Digital, 2Mbit/s CAS or PRI YES

b) Voice interfaces for remote subscriber:

1) 2-wire, subscriber side (dBr) -5... +4 / -7.5... -1

2) Minimal number of subscriber 10

3) 2-wire, PABX side (dBr) -5... +4 / -7.5... -3

4) Minimal number of PABX 10

− Integrated tele protection

a) Interface for Commands:

1) Number of independent commands 4

2) Transmission time max. (ms) 6

3) Signal voltage (Vpeak) 250

4) 1 + 1 com path protection Yes

b) Interface(s) for Differential Protection:

c) Electrical interface: G.703 (Kbits/sec) 64

d) Optical Interface (k bits/sec) Minimum 64

− Data: channels per module

a) 1 + 1 com path protection, available for all Yes

b) V.24/V.28 (RS-232): up to 38.4kbit/s Minimum 4

c) V.11/X.24 (RS-422): 64kbit/s Minimum 4

d) V.35: 64kbit/s Minimum 4

e) G.703: 64kbit/s Minimum 8

f) Ethernet: 10/100BaseT Minimum 21

g) Ethernet: WAN capacity (Mbits/sec) 63xVC12 or 3xVC3

h) Ethernet: Logical WAN ports Minimum 8

i) Ethernet: GFP (acc. ITU-T G.7041) Yes

j) Ethernet: VCAT (acc. ITU-T G.707) On VC-12 and VC-3

k) Ethernet: LCAS (acc. ITU-T G.7043) Yes

l) Ethernet: Router functionality YES

m) Ethernet: Routing protocols static IP route OSPF2 V2

n) Ethernet: WAN capacity nx64kbit/s(n=1 to 31)

o) Ethernet: WAN protocol PPP, Frame Relay (incl. RFC1490)

p) Integrated Ethernet Hub 10/100BaseT Min. 5

− Integrated alarm gathering module:

a) Number of external alarms per module Min. 20

b) Auxiliary power supply for ext. contacts YES

− Configuration Management

a) Type/Name of configuration tool

1) For local / remote operation YES / YES




2) Data communication network (DCN) Ethernet / IP or Ethernet / OSI

3) Integrated Management of Teleprotection Commands

YES

− Network Management System

a) Type/Name of configuration tool

1) For fault / configuration management YES / YES

2) Data communication network (DCN) Ethernet / IP or Ethernet / OSI

3) Integrated Management of Teleprotection Commands

YES

− Ambient Conditions:

a) Storage: ETS 300 019-1-1, class 1.2 (°C / % hum)

-25... + 55 / class 1.2

b) Transport: ETS 300 019-1-2, class 2.2 (°C / % hum)

-25... + 70 / class 2.2

c) Operation: ETS 300 019-1-3, class 3.1E For operational applications (°C / % hum)

-5 +55 / class 3.1E

− Power Supply

− Operation (V, DC) 48 / 60 (-15/+20%)

− Fully redundant power supply YES

− Dual power feeder YES



Emission of the Equipment (Substation Environment) Description Level Comply

− Test Name : Radiated radio frequency interference A

− Description : 30 MHz to 1 GHz

− Basic standard: EN 55022

− Test Name : Conducted radio frequency interference AC/DC Power supply

A

− Description : 150 kHz to 30 MHz

− Basic standard: EN 55022

Immunity of the Equipment (Substation Environment) Description Level Comply

− Test Name : ESD test 6 / 8kV

− Description : Contact/air discharge

− Basic standard: IEC 61000-4-2

− Test Name : Radiated electromagnetic field 10 V/m

− Description : 80 to 1000 MHz, 80% AM, 1 kHz modulated


− Test Name : Radiated electromagnetic field 10 V/m

− Description : 1.0 to 2.5 GHz, 80% AM, 1 kHz modulated


− Test Name : Fast transient test

a) Description :

1) AC/DC Power supply 4 kV

2) All other ports: 2 kV

b) Basic standard: IEC 61000-4-4

− Test Name : Surge test (1.2/50 ms)

a) Description :

1) AC/DC Power supply:

Common mode 2.0 kV

Differential mode 1.0 kV

2) DC Power supply 48 V:

Common mode 0.5 kV


3) Signal terminals

Common mode 2.0 kV


4) Telecommunication ports:

Common mode 1.5 kV



Description Level Comply


− Test Name : Conducted radio frequency interference 10 V (e.m.f.)

a) Description : 0.15 to 80 MHz, 80% AM, 1 kHz modulated


− Test Name : Power frequency magnetic field

a) Description :

1) Continuous 30 A/m

2) Short (1 to 3 s) 300 A/m


− Test Name : Damped oscillatory waves

a) Description :

1) AC/DC Power supply:

Common mode 2.5 kV


2) Signal terminals:

Common mode 2.5 kV


3) Telecommunication ports:

Common mode 1 MHz, 400 Hz repetition rate, 2 s burst duration

2.5 kV


− Test Name : Conducted common mode disturbance 10 / 30 Vrms

a) Description : Frequency 50 Hz, continuous mode

b) Basic standard: IEC 61000-4-16 Note: - The filled guaranteed data for SDH should be proven by attaching the catalogue of the proposed type of SDH



VoIP System Description Required Provided

Communication Manager

− Manufacturer of Media Gateway Controller Provide (attach brochure)

− Model of Media Gateway Controller Provide (attach brochure)

− Input Voltage for Media Gateway Controller 42 to -54 V DC

− Mounting for Media Gateway Controller 19” rack mountable

− Protocols Multiple standard protocols H.248, MGCP, SIP, H.323

− Sizing for Media Gateway Controller Equipped: 300 IP phones Expandable: 500 IP phones

− EMS interfaces SNMP, CLI, CORBA, XML

− Network Management System − Application software should be server based, with multiple clients (administrators) working on PCs running Windows XP / Windows VISTA / Windows 7

− Security management − Configuration

management − Alarm management − Performance

management − The application software

should run on LINUX distribution operating system and an IBM x 3755 server

− Desired features − Phone book directory − Manager assistant work

group − Extended music on hold − 6 party conference facility − Call back on free/ busy /

off hook − Call forwarding on busy

or no reply − Call barring and call

intrusion − Call park and retrieve − Welcome greeting

(day/night) − Dial by name and speed

dialing − Account codes and

personal password − Automatic least cost

route selection − Voice guide recording − Auto attendant



Description Required Provided − Broad casting on IP

phones − Direct Inward Dialing

(DID)

− Other features − VPN for remote sites with 128 kbps links to internet

− Voice over Wi-Fi − Voice over WLAN − Roaming

Call Accounting / Billing System

Application software should be server based, with multiple clients (administrators) working on PCs running Windows XP / Windows VISTA / Windows 7. The application software should run on LINUX distribution / Windows server 2008 operating systems and an IBM x 3755 server should support 300 IP phone users

Trunk Gateway

− Analogue Interfaces ports 16 no. 2 wire FXO 48 no. 2 wire FXS 10 no. 4 wire (E&M) with CAS & R2 signaling

− Digital interface ports 10 no. ISDN PRI 1 no. ISDN BRI 8 no. E1

− Protocols H.323, SIP, ISDN PRI, SS7, etc.

− Voice CODECS G.711, G.729a/b, G.723.1, G.726

− Input Power -42 to -54Vdc

IP Standard Phones

− Integral switch 10/100

− Speaker phone Full duplex with echo cancellation

− Line keys 6

− Programmable soft keys 4 (+2 speed dial/line)

− Fixed feature keys 8

− Message waiting Blinking indication

− Ethernet ports Minimum 2

− Display Graphical TFT color display

− XML support Yes

− Signaling protocol SIP

− PoE power classification Class 2

− Configuration Both static and DHCP support




PoE switches

− Port 24 and 48

− Cabling type UTP

− LED PWR, Fan

− Power On Ethernet port

In put power

− Performance Switching capacity

Forwarding capacity

Number of VLANs

VLAN Protocol

IPv6

− Management Web user interface

SNMP

SNMP MIBs

Remote Monitoring (RMON)

Firmware upgrade

Port mirroring

Other management

− Security IEEE 802.1X

ACLs

− Availability Link aggregation

Storm control

Spanning Tree

DoS prevention

IGMP (version 1 and 2) snooping.

Power redundancy

− Quality of service Priority levels

Scheduling

Class of service

Rate limiting

Statistics

Standards



Digital Control and Monitoring System Description Required Provided

− Manufacturer Required

− Place of manufacture Required

− System designation Required

− Software Required

a) Software designation Required

b) Literature reference principle of operation Required

c) Provide software function and capability Required

− Literature for principle of operation Required

− Power supply voltage, V 230 AC +25%

− Expandability 100%

− Availability >99.99%

− Mean time to repair, H <2hrs or better

− Mean time between failure, H >36000hrs or better

− Local LCD display Required

− Operating temperature range, °C 0-50

− Equipment enclosures

a) Degree of protection IP55

b) Mounting (Flush, surface, rack) Flush

− System function

a) Monitoring function required:

1) Switching status (circuit breaker, Disconnectors etc.)

Required

2) Indication and alarm status Required

3) Analogue measurements (currents, voltages, etc.)

Required

b) Resolution of time tagging 1 ms

Trend reports: − Day (mean, peak) − Month (mean, peak) − Semi-annual (mean, peak) − Year (mean, peak) Historical reports: − Day − Week − Month − Year

Required

c) Control function required:

1) Close/open of circuit breakers , Isolators, etc

Required

2) Close/open disconnectors , Earth switches

Required




3) Transformer automatic tap changer control

Required

4) Bay interlocking facilities Required

d) Reporting function required:

1) Sequence of events recording Required

2) Post-mortem review Required

3) Fault waveform capture Required

4) Tenderer to state capacity and functionality

− Communication

a) Number of communication channels At least two

b) Number and type of communication ports As required + 2 spares

c) Communication protocol required:

1) IEC 61850 Required Required

2) List of protocols Supported by the System Required

3) List of manufacturers the System has interfaced

Required



Bay Control Unit Description Required Provided

− Manufacturer

− Place of manufacture

− Literature for principle of operation

− Power supply voltage, V 110 DC +/-25%

− Power requirements, W ≤ 5

− Maximum number of expansion module < 2

− Mean time to repair, H

− Mean time between failure, H >40,000

− Local LCD display Required

− Operating temperature range, °C 0-50

− BCU enclosure

a) Degree of protection IP 54

b) Mounting (Flush, surface, rack) Flush

− BCU function

a) Monitoring function required:-

1) Switching status (circuit breaker, etc.) Required

2) Indication and alarm status Required

3) Analogue measurements (currents, voltages, etc.)

Required

b) Resolution of time tagging 1 ms

c) Control function required:

1) Close/open of circuit breakers Required

2) Close/open disconnectors Required

3) Transformer automatic tap changer control Required

4) Synchronization check control Required

5) Bay interlocking facilities Required

d) Reporting function required:

1) Sequence of events recording Required

2) Post-mortem review Required

3) Fault waveform capture Required

4) Tenderer to state capacity and functionality

− Communication

a) Number of communication channels ≥ 4

b) Number and type of communication ports

c) Communication protocol required:-

1) IEC 61850 Required

2) List of protocols available at BCU Yes

3) List of manufacturers the BCU has interfaced Yes




− Digital input module

a) Module designation

b) Literature reference principle of operation Yes

c) Maximum number of modules per BCU Required

d) Maximum number of inputs per module

e) Input voltage, V DC

f) Configuration of input required:-

1) Status and alarms Required

2) Sequence of events Required

3) BCD or parallel inputs Required

4) Pulse accumulator Required

a) Standard number of inputs per module

b) Type of input circuit isolation

c) Scan time, ms

d) Minimum pulse duration, ms

e) Input impedance, ohm

− Digital output module


b) Literature reference principle of operation

c) Maximum number of modules per BCU

d) Maximum number of outputs per module

e) Maximum output current, A

f) Maximum switched output voltage, V

g) Type of protection against back EMF

− Analogue input module





e) Resolution, bits

f) Accuracy, %

g) Common mode noise rejection, dB

h) Normal mode noise rejection, dB

i) Conversion time, ms

j) Scanning time (per channel), ms

k) Input signal types (e.g. 4-20 mA)

− Analogue output module








e) Output voltage range, V

f) Output current range, mA

g) Type of isolation

h) Load resistance, ohm

i) Conversion time

j) Accuracy, %

− Direct AC connection voltage





e) Input voltage range, V AC

f) Burden on instrument transformer circuit, VA

g) Conversion time, ms

h) Scanning resolution, bits

i) Accuracy, %

j) What calculations are supported?

k) Method of isolation

− Direct AC connection current





e) Input current range, A AC

f) Burden on instrument transformer circuit, VA

g) Conversion time, ms

h) Scanning resolution, bits

i) Accuracy, %

j) What calculations are supported?

k) Method of isolation

− Software

a) Software designation


c) Provide software function and capability




Tele Protection Equipment Description Required Provided

− Manufacturer


− Type

− DC Voltage supply range

− Communication Interfaces (types, number)

− Number of command (channel) 4

− Number of maximum Input/output cards

− Time synchronization 1 ms

− Transmit time

− Receiver response time for :

a) Blocking < 10 ms

b) Permissive < 14 ms

c) Direct tripping

− Dimension (mm)

− Power supply (V, DC) 48




Line Differential Relay, Protection "A" Description Required Provided

− Manufacturer


− Relay type

− Type of line differential protection Segregated phase

− Rated current (A) 1 and 5

− Rated voltage (V) 110


− Rated frequency, (Hz) 50

− Measuring characteristics of distance elements (quadrilateral, Mho,___

Quadrilateral &Mho

− Range of auxiliary DC supply (Volts) 110 + 20%

− Relay operating time (msec.) ≤ 35

− Quantity of output relays or contacts

− Quantity of LEDs for indication ≥ 7 user programmable

− Time synchronization signal IRIG-B

− Time tagging resolution (msec.) ± 1

− Front serial interface communication:

a) Baud rate

b) Connection RS 232

− System interface:

a) Connection RS 485

b) Protocol IEC 61850

c) Communication speed

− Remote change of active group allowed (Yes / No) Yes

− Remote change of settings allowed (Yes / No) Yes

− Distance protection zones (Number of zones) ≤ 25

− Distance element

a) Typical operating time (ms)

b) Minimum operating current (Phase current)

c) Resetting ratio (%)

d) Time setting range for impedance zones (Sec)

e) Time setting step increment (Sec)

f) Line angle setting range (degree)

g) Line angle setting step increment (degree)

h) Impedance setting for quadrilateral characteristics:

1) Reactive reach

− Positive sequence reactance setting range (ohm)




− Positive sequence reactance step increment (ohm)

− Zero sequence reactance setting range (ohm)

− Zero sequence reactance step increment (ohm)

2) Resistive reach

− Positive sequence reactance setting range (ohm)

− Positive sequence reactance step increment (ohm)

− Zero sequence reactance setting range (ohm)

− Zero sequence reactance step increment (ohm)

3) Fault resistance

− setting range for phase to phase faults (ohm)

− setting range for phase to earth faults (ohm)

− Step increment for phase to phase faults (ohm)

− Step increment for phase to earth faults (ohm)

− High set overcurrent protection:

a) Definite time overcurrent phase current setting range (A)

b) Definite time overcurrent time setting range (Sec)

c) Dropout ratio

d) Inverse time overcurrent phase current starting (A)

e) Inverse time overcurrent time multiplier range

− Low set overcurrent protection: -

a) Definite time overcurrent phase current setting range (A)

b) Definite time overcurrent time setting range (Sec)

c) Dropout ratio

d) Inverse time overcurrent phase current starting (A)

e) Inverse time overcurrent time multiplier range

− High set earth fault protection:

a) Definite time overcurrent earth fault setting range (A)




b) Definite time overcurrent time delay setting range (Sec)

c) Inverse time overcurrent earth fault starting (A)

d) Inverse time overcurrent time multiplier range

− Low set earth fault protection:

a) Definite time overcurrent earth fault setting range (A)

b) Inverse time overcurrent earth fault starting (A)

c) Inverse time overcurrent time multiplier range

− Direction detection for phase overcurrent:

a) Forward range – Inductive angle (degree)

b) Forward range – Resistive angle (degree)

c) Forward range – Capacitive angle (degree)

− Direction detection for earth faults: -

a) Forward range – Inductive angle (degree)

b) Forward range – Resistive angle (degree)

c) Forward range – Capacitive angle (degree)

− Autoreclosure:- Required

a) Number of reclosures

b) Dead time range (sec)

c) Reclaim time range (sec)

d) Operating mode with check synchronizing function

− Breaker failure protection current setting range (A)

− Breaker failure protection time setting range (Sec)

− Sensitive earth fault protection function included (Yes / No)

Not Required

− Negative sequence current detection function included (Yes / No)

Not Required

− Phase discontinuity / broken conductor detection function included

Yes

− Under voltage protection setting range: Not Required

a) For phase to phase connection (Volts)

b) For phase to earth connection (Volts)

− Over voltage protection setting range: - Not Required

a) For phase to phase connection (Volts)




b) For phase to earth connection

− Frequency protection;- Not Required

a) Number of frequency element / stage

b) Setting range (Hz)

c) Time delay setting (Sec)

− Fault locator output for fault distance indication (in ohm, km, %)

ohm ; km ; %

− Measured values ranges and display, please list: -

− Metering:

a) Forward kWh range Yes

b) Reverse kWh range Yes

c) Forward kVarh range Yes

d) Reverse kVarh range Yes

− Synchrocheck function included (Yes / No) Yes

− Disturbance recording setting: -

a) Pre-fault time range (msec)

b) Post-fault time range (msec)



Distance Relay, Protection "B" Description Required Provided

− Manufacturer


− Relay type


− Rated voltage 110


− Rated frequency (Hz) and frequency operating range 50 Hz & 45-55 Hz

− Measuring characteristic (Quadrilateral, Mho, Elliptical) Quadrilateral & Mho

− Burden in the CT circuits with 1A (VA)

− Burden in the CT circuits with 5A (VA)

− Burden in the VT circuits, (VA)

− Range of auxiliary DC supply (Volts) 110+ 20%

− Quantity of output relays or contacts ≥9 N/O ; ≥ 9 N/C

− Quantity of LEDs for indications ≥ 7 user programmable


− Time tagging resolution (msec) ±1


a) Baud rate


− System interface: -



c) Communication speed

− Remote change of active group allowed (Yes / No) yes

− Remote change of settings allowed (Yes / No) yes

− Distance protection zones (Number of zones) ≥ 5

− Typical operating time (ms) ≤ 25

− Minimum operating current (Phase current)

− Resetting ratio (%)

− Time setting range for impedance zones (Sec)

− Time setting step increment (Sec)

− Line angle setting range (degree)

− Line angle setting step increment (degree)

− Impedance setting for quadrilateral characteristics:

a) Reactive reach

1) Positive sequence reactance setting range (Ohm)




2) Positive sequence reactance step increment (Ohm)

3) Zero sequence reactance setting range (Ohm)

4) Zero sequence reactance step increment (Ohm)

b) Resistive reach

1) Positive sequence resistance setting range (Ohm)

2) Positive sequence resistance step increment (Ohm)

3) Zero sequence resistance setting range (Ohm)

4) Zero sequence resistance step increment (Ohm)

c) Fault resistance

1) Setting range for phase to phase faults (Ohm)

2) Setting range for phase to earth faults (Ohm)

3) Step increment for phase to phase faults setting (Ohm)

4) Step increment for phase to earth faults setting (Ohm)

− Type of starting:

a) Overcurrent Yes

b) Earth fault Yes

c) Under voltage Yes

d) Under impedance Yes

− Earth fault pick-up neutral current (3Io) setting range for 1A

− Earth fault pick-up neutral current (3Io) setting range for 5A

− Zero sequence compensation factor (Ko) setting range

− Zero sequence compensation factor angle ϕKo setting range

− Fault locator output (in ohm, km, etc) ohm, km, %

− Power swing detection:-

a) Mode of operation

b) Power swing blocking programs

− Tripping and reclosing mode 1 phase & 3 phase

− Directional earth fault protection:

a) Characteristics (Definite time or inverse time)

b) Current setting range for definite time

c) Time setting range for definite time

d) Time multiplier setting range for inverse characteristics

e) Available characteristic for inverse time

f) Minimum setting range for zero-sequence voltage (3Vo)

− Weak in feed protection:

a) Operation mode

b) Setting range of under voltage phase to ground

c) Time setting range




− Backup over current protection

a) Available characteristics

b) Current setting range for definite time

c) Time setting range for definite time

d) Current setting range for inverse characteristics

e) Earth fault current setting range for definite time

f) Earth fault time setting range for definite time

g) Earth fault current setting range for inverse time

h) Time multiplier setting range for inverse time

i) Available characteristics for inverse time

− Switch-on-to fault protection:

a) Operating mode

b) Range of pick-up current

− Breaker failure protection:-

a) Setting range of pick-up current

b) Setting range of time delay

− Auto reclosure:

a) Operating mode single pole and three poles

b) Operating mode with check synchronizing function

c) Setting range for dead time

d) Setting range for reclaim time

− Operational measured values:

a) Please list all the measured and displayed parameters

− Over voltage protection:- Required

a) Setting range for phase to ground over voltage

b) Setting range for zero sequence over voltage (3Vo)

c) Setting range for phase to phase over voltage

− Under voltage protection: Required

a) Setting range for phase to ground under voltage

b) Setting range for phase to phase under voltage

c) Setting range for phase to phase under voltage



Transformer Protection Description Required Provided

− Manufacturer


− Relay type

− Rated frequency, (Hz) 50

− Rated voltage, DC (Volts) 110


− Rated current HV side (A) 1 and 5

− Rated current LV side (A) 1 and 5

− Rated current tertiary side (A) 1 and 5

− Range of auxiliary DC supply (Volts) 110 ± 20%

− Number of output relays or contacts

− Number of LEDs for indications ≥ 4 user programmable

− System interface:



c) Communication speed ≥ 9600 kb/s


a) Baud rate


− Service / modem interface connection − RS 232, RS 485 or fiber optic)

RS 485


− Time tagging resolution (msec) ± 1

− Nominal relay operating time (msec) ≤ 35

− Differential protection settings: -

a) Pick-up values range of differential current

b) High current stage range

c) Inrush restraint ratio (2nd harmonic)

d) Stabilization ratio further (n – th) harmonic

e) Dropout ratio

− Built in CT ratio and vector group matching included (yes / no)

Yes

− Transformer star point conditioning (earthed, non – earthed) earthed

− Restricted earth fault protection setting:

a) Differential current setting range

b) Time delay setting range

− Definite time three phase over current and earth fault protection setting: -




a) High set phase current setting (A)

b) High set earth fault setting (A)

c) Low set phase current setting (A)

d) Low set earth fault current setting (A)

e) Time setting range for high set phase current setting (sec)

f) Time setting range for low set phase current setting (sec)

g) Time setting range for high set earth fault setting (sec)

h) Time setting range for low set earth fault setting (sec)

− Inverse time three phase over current and earth fault protection setting: -

a) Phase starting current setting range

b) Time setting range for phase current

c) Earth fault starting current setting range

d) Time setting range for earth fault current

− Breaker failure protection time setting range (sec)

− Breaker failure protection current setting range (A)

− Number of stored last faults ≥ 5

− Measured operational values:

a) Measured phase current range

b) Measured unbalanced current range

c) Measured differential current range

d) Measured restricted earth fault current range



Bus Bar Differential Protection


− Manufacturer


− Relay type




− Rated of auxiliary supply range (Volts, DC) 110 + 20%

− Number of LEDs for indication ≥ 10

− System interface: -



c) Communication speed ≥ 9600 kb/s


a) Baud rate


− Service / modem interface connection (RS 232, RS 485 or fiber optic)

RS 485


− Time tagging resolution (msec) ± 1

− Bus bar protection:

a) Over current setting range

b) Stabilizing factor setting range for bus bar

c) Selective protection Yes

d) Stabilizing factor K for check zone

− Typical tripping time (msec) ≤ 20

− Differential current monitoring setting range

− Breaker failure protection current setting range

− Breaker failure protection time setting range

− Isolator transition time setting range

− Over current protection in the bay unit

a) Definite time characteristics:

1) High set over-current current setting range

2) High set over-current time setting range

3) Low set over-current current setting range

4) Low set over-current time setting range

5) High set earth fault current setting range

6) High set earth fault time setting range

7) Low set earth fault current setting range




8) Low set earth fault time setting range

b) Inverse time over current characteristics:

1) Phase over current setting range

2) Earth fault setting range

3) Time delay for phase over current

4) Time delay for earth fault

− Setting range for over current release of trip command

− Operational measured values of central unit Id & Ibias

− Operational measured values of bay units I Phase, Io, frequency

− Number of events recorded in the central units ≥ 10

− Number of events recorded in the bay units ≥ 256

− Number of faults recorded in the central unit ≥ 5

− Number of faults recorded in the bay units ≥ 5

− Number of equipped bays



Energy Meter


− Manufacturer


− Type of energy meter

− Rated input voltage (V) 100

− Rated input current (Amps) 1 and 5

− Type of auxiliary power supply (DC voltage, or self powered) 110 V, DC

− Accuracy class

a) For active energy (IEC 61036)

b) For reactive energy (IEC 61268) ≤ 2

− Short time maximum current rating (A)

− Minimum starting current required (A) < 0.01 x In

− Voltage ratings:

a) 3 phase 4 wire, 3-element phase to neutral voltage, single phase connection

b) 3 phase 3 wire, 2-element phase to phase voltage, single phase connection

− Over load current setting (A) ≥ 200% x In

− Programmable CT and VT ratio facility included (Yes/No) Yes

− Present demand and demand since last reset are available or displayed (Yes/No)

Yes

− Maximum demand indication period, minutes ≥ 60

− Demand values for current, active power, reactive power and apparent power included (Yes/No)

Yes

− Backup power type (please specify if available)

− Battery type (If used)

− Battery life time (If battery is used)

− Communication type available for remote communication with SCADA or national control center

RS 485

− Communication baud rate ≥ 9600

− Display size

− Display maximum digit

− Number of parameters simultaneously displayed ≥ 3

− Please list all the measurements, calculations and displayed parameters available

− Size

− Weight



Batteries and Dual Charger


− BATTERY 110 V, DC

a) Manufacturer

b) Type, Nickel–Cadmium (Ni-Cd)

c) Voltage per cell, D.C. (V) 1.2

d) Capacity at 10-hr discharge rate (AH) ≥ 220

e) Number of cells 96 (92+4 spare)

f) Dimensions of each cell, (mm)

g) Weight (kg)

h) Standard applied IEC 60623

− BATTERY 48 V, DC

a) Manufacturer

b) Type Nickel–Cadmium (Ni-Cd)

c) Voltage per cell, D.C. (V) 1.2

d) Capacity at 10-hr discharge rate (AH) ≥ 220

e) Number of cells 42 (40+2 spare)

f) Dimensions of each cell, (mm)

g) Weight (kg)

h) Standard applied IEC 60623

− DUAL CHARGER FOR 110 V, DC BATTERY

a) Manufacturer

b) Type Thyristor Controlled

c) Type of cooling Self-ventilating

d) Protection class of cubicle IP 41

e) Output (V, DC) 110

− DUAL CHARGER FOR 48 V, DC BATTERY

a) Manufacturer

b) Type Thyristor Controlled

c) Type of cooling Self-ventilating

d) Protection class of cubicle IP 41

e) Output (V, DC) 48

f) Dimensions (mm)

A.C. Distribution Panel Description Required Provided

− Manufacturer




− Type

− Rated voltage (V) 415

− Rated current of main bus bar (A) ≥ 630

− Cross-section of bus bar (sq.mm)

− Permissible short circuit current (kA) ≥ 25

− Thickness of sheet steel, (mm)

− Applied test voltage, 50Hz 1 min (kV) 2,5

− Dimensions

a) Length, (mm) ≤ 1000

b) Width, (mm) ≤ 600

c) Height, (mm) ≤ 2250

d) Weight (kg)

− Manufacturers catalogues designation of A.C. panel and low voltage equipment

− Standards applied IEC or equiv.



D.C Distribution Panel Description Required Provided

− Manufacturer

− Type


− Rated voltage (V) 110, V, DC

− Cross-section of bus bar (sq.mm)

− Thickness of sheet steel, (mm) 2,5

− Permissible short circuit current (kA) ≥ 6

− Applied test voltage, 50Hz 1 min (kV)

− Dimensions

a) Length, (mm) ≤ 1000

b) Width, (mm) ≤ 600

c) Height, (mm) ≤ 2250

d) Weight (kg)

− Manufacturers catalogues designation of D.C. panel and low voltage equipment

− Standards applied IEC or equiv.



Control, Protection, Signaling and Meter Panel Description Required Provided

− Control Panels

a) Manufacturer

b) Place of manufacturer

c) Type

d) Equipment arrangement

e) Thickness of sheet steel, (mm) ≥ 2

f) Painting

g) Transducer auxiliary supply (AC, DC or self powered, etc.)

110 VDC or 48 VDC

h) Dimensions

i) Length, (mm) ≤ 1000

j) Width, (mm) ≤ 600

k) Height, (mm) ≤ 2250

l) Maximum shipping weight, (kg)

− Protection Panels

a) Manufacturer


c) Type

d) Front door with translucent window type (Yes/No) Yes

e) Equipment mounted on racks (Yes/No) Yes

f) Thickness of sheet steel, (mm) ≥ 2

g) Dimensions

h) Length, (mm) ≤ 1000

i) Width, (mm) ≤ 600

j) Height, (mm) ≤ 2250

k) Maximum shipping weight, (kg)

l) Standard applied IEC or equiv.

− SCADA interface panels

a) Manufacturer


c) Type

d) Painting

e) Transducer auxiliary supply (AC, DC or self powered, etc.)

f) Thickness of sheet steel, (mm) ≥ 2

g) Applied test voltage, 50Hz 1 min (kV) 2,5

h) Dimensions

i) Length (mm)

j) Width (mm)




k) Height (mm)

l) Maximum shipping weight (kg)



Low Voltage Power Cable


LV Power LV Control LV Power LV Control

− Manufacturer

− Type

− Conductor material Cu Cu

− Nominal conductor cross section (sq.mm)

− Actual conductor cross section (sq.mm)

− Outer diameter of conductor (mm)

− Type of insulation PVC PVC

− Thickness of insulation (mm)

− Outer sheath

a) Material PVC PVC

b) Thickness (mm)

− Overall diameter of cable (mm)

− Bending radius (mm) ≤ 300 ≤ 300

− Rated voltage (V)

− Highest system voltage (V) 415

− Frequency (Hz) 50

− D.C. resistance of conductor

a) At 20oC (ohm/km)

− Capacitance (nF/km)

− Inductance in the required laying configuration (nH/km)

− Maximum permissible temperature (0C) 90 90

− Maximum permissible short circuit conductor temperature (0C)

250 250

− Tan delta at +45oC

− Permissible three phase short-circuit current for 1 sec

− Permissible phase to earth short-circuit current for 1 sec

− Maximum permissible tension when pulling the cable (kg)

− A.C. test voltage (kV)

− D.C. test voltage (kV)


a) Maximum delivery length per reel (m)

b) Max. gross weight of a full reel (kg

c) Reel dimensions

1) Flange diameter (mm)




LV Power LV Control LV Power LV Control

2) Core diameter (mm)

3) Width (mm)

a) Net weight of the cable (kg/mm)

b) Copper weight (kg/mm)

c) Weight of one sealing end (kg)

− Standards applied



Aluminum Bus Bar Description Required Provided

− Manufacturer

− Type

− Nominal cross sectional area (sq.mm)

− Diameter of bus bar

a) Inner (mm)

b) Outer (mm)

− Weight (kg/m)

− Resistance at 20oC, ohm/km

− Temperature coefficient of linear expansion, (oC)

− Current carrying capacity at 20oC, (A)

− 1-second short time current (rms), (kA) ≥ 31.5

− Maximum allowable current at site altitude, (A)

− Tensile breaking stress of conductor material , (kg/sq.cm)

− Ultimate strength, (kg)



Post Insulator Description Required Provided

220kV 132kV 220kV 132kV

− Manufacturer


− Type

− Installation outdoor outdoor

− Insulator material porcelain porcelain

− Rated Voltage (kV) 220 132

− Cantilever strength (kg)

− Impulse test voltage (1.2/50 microsecond) in kV, at sea level

1050 750

− Power frequency 1-minute wet with-stand test voltage (kV), at sea level

460 325

− Minimum failing load (bending) (KN)

− Minimum failing load (tension) (KN)

− Mechanical breaking load (kg)

− Minimum guaranteed creepage distance (mm)

6125 3625

− Protected creepage distance (mm)

− Height of insulation minimum (mm)

− Top metal fitting pitch circle diameter (mm)

− Bottom metal fitting pitch circle − diameter (mm)


− Weight (kg)

− Standard applied IEC 273 IEC 273

− Manufacturers catalogue



11 kV and 33 kV High Voltage Power Cable


11 kV 33 kV 11 kV 33 kV

− Manufacturer

− Type

− Conductor material Cu

− Number of Phases

− Current rating (A)

− Nominal conductor cross section (sq.mm)

− Actual conductor cross section (sq.mm)

− Outer diameter of conductor (mm)

− Type of insulation TR-XLPE

− Thickness of insulation (mm)

− Type of screen Cu wire

− Thickness of screen (mm)

− Outer sheath

a) Material

b) Thickness (mm)

− Overall diameter of cable (mm)

− Bending radius (mm)

− Rated voltage (kV) 11 33

− Highest system voltage (kV) 12 36

− Frequency (Hz) 50 50

− D.C. resistance of conductor

a) At 20oC (ohm/km)

− Capacitance (nF/km)

− Inductance in the required laying configuration (nH/km)

− Maximum permissible temperature (0C)

90 90

− Maximum permissible short circuit conductor temperature (oC)

− Tan delta at +450C

− Maximum permissible three phase short-circuit current for 1 second

− Maximum permissible phase to earth short-circuit current for 1 second

− Maximum permissible tension when pulling the cable (kg)

− A.C. test voltage (kV)




11 kV 33 kV 11 kV 33 kV

− D.C. test voltage (kV)


a) Maximum delivery length per reel (m)

b) Max. gross weight of a full reel (kg)

c) Reel dimensions

d) Flange diameter (mm)

e) Core diameter (mm)

f) Width (mm)

g) Net weight of the cable (kg/mm)

h) Copper weight (kg/mm)

i) Weight of one sealing end (kg)

− Standards applied IEC 60502-2 IEC 60502-2



11 kV Metal – Clad Switchboard Description Required Provided

− Manufacturer

− Type

− Nominal voltage (kV) 11

− Highest System voltage (kV) 12

− Number of Phases

− Bus Bars

a) Current rating (A) 630

b) Cross – section of bus bar (sq.mm)

c) Permissible temperature rise over ambient temperature of 40°C, (°C)

65

d) Permissible temperature rise over ambient temperature of 50˚C, (˚C) (PK-12 only)

e) Type of insulators installed Porcelain

f) Type of material

− Thickness of sheet steel used for the cubicle 2-2.5

− Dimension of cubicle

a) Width, (mm) < 1500

b) Depth, (mm) < 2400

c) Height, (mm) < 2400

− Weight

a) Transformer cubicle, (kg)

b) Line feeder cubicle, (kg)

c) Auxiliary service cubicle, (kg)

d) Moving portion of transformer feeder switchgear assembly, (kg)

− Maximum shipping dimensions

a) Length, (mm)

b) Width, (mm)

c) Height, (mm)



Diesel Generator Description Required Provided

− Manufacturer


− Type

− Capacity 150 kVA

− Engine Speed 1500 RPM

− Electrical system 12 V DC

− Alternator type Brushless-Self Excited

− Phase 3

− Voltage 240/415 V

− Frequency 50 Hz

− Starter battery 12 V DC / 100 Ah

− Metal Fuel Tank Capacity sufficient for 8 hours but not less than 450

liters



Schedule of Special Tools Give detailed list of special tools included in the equipment supply.

Item Description Quantity

schedule of guaranteed · pdf filepower transformer (220/132/11 kv, ... (substation...

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