an iso 9001:2008 certified company mini engineering works f-285, upsidc, khichra industrial area,...
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An ISO 9001:2008 Certified Company
Mini Engineering WorksF-285, UPSIDC, Khichra Industrial Area,
Meerut-Gulawati Road, Ghaziabad – 201001, UP, India
THE TOTAL POWER SOLUTIONS
We are glad to introduce ourselves as one of the leading manufacturerof measuring and Protection in High Voltage and Extra High VoltageSystems (Current Transformers and Potential Transformer).
OVERVIEW
MINI ENGINEERING WORKS, founded by Mr. SHOKAUT ALI andEr. AKRAM SAIFI, supported by a dedicated
committedteam of Engineers,
Technicians and Business people, to a Technology, bestquality products, has been in the field1 8 Y e a r s a n d n o w e s t a b l i s h e d a
of P o w e r S e c t o r f o r m o r e t h a nS e t u p o f Manufacturing state of
High Voltage Power Products, from this Year 2012, and a s we h a vea lre a d y t o ld a b o ve t h a t b o th Mr. S h a ra f a t A li, T e chn ic a l P ro f
e ss io n a lh a vin g m o re t h a n 1 8 ye a rs o f e xp e rie n c e in P o we r S e ct o r e sp e c ia llyI n s t ru m en t T ra n sf o rm e rs Ca t e go ry. W e h a ve ve r y go o d c o n t a c t s wit h
a lm o s t
a ll EPC Contractors/Electrical Contractors/PSUUnits/Boards/Nigams. We have started supplying our products to Private Sectorscurrently and very shortly we will get approvals from Boards/Nigams too. Every time, We will d eveloped a strong clientele by supplying high quality product to varying specifications.
Apart from Manufacturing CTs/PTs upto 33KV, we are also engaged in HEAVYFABRICATION ON TURNKEY BASIS AS PER DRAWING(S) viz. STEEL STRUCTURES.
M/s Lucky India Power Solutions, company is it’s Parent Company and is
well known to all the Corporates of Power Sector and the Company SuppliesComplete Substation Materials upto 400KV Class including CompleteSubstation / Plant Automation System by SCADA, PLC.
FACTORY SET UP
MINI ENGINEERING W ORKS has factory setuplaboratories, testing department with all facilities for raw material, semi finished product and final product.
with well-equippedproduction check for
Carpet area of the factory is 7500 sq.feet and office area 500 sq. feet.
MOTTO
Quality, customer satisfaction and regular improvement for better to bestQuality Products.
COMMITTED TO
• Design, develop, manufacture and service quality products as percustomer requirement.Carry out production as per the standard procedures. Improvement in product and services
••
THE TOTAL POWER SOLUTIONS
As mentioned earlier, MINI ENGINEERING W ORKS is one among those
o rganizations in India that provides total power solution forms under a single roof: The
products and the corresponding range follows:
MANUFACTURING OF INTRUMENT TRANSFORMERS UPTO 33KV
TYPE TEST
Our all Products are type tested from Govt. Laboratory ERDA, Vadodara.
Sr. No DESCRIPTION OF ITEMS MANUFACURED RANGE
1RESIN CAST CT RING TYPE AND 3 PHASE CT
BANK TYPE440V/660V
2 RESIN CAST C.T Up to 33kV
3 RESIN CAST P.T. Up to 33kV
4 COMBINE CTPT METERING SET (33kV, 22kV,11kV)
Up to 33 kV
5 OUTDOOR, SINGLE PHASE CURRENT TRANSFORMERS
Up to 33 Kv
6 OUTDOOR, SINGLE PHASE POTENTIAL TRANSFORMERS
Up to 33 kV
7 PILFER CTPT METERING CUBICLE Upto 33KV
THE TOTAL POWER SOLUTIONS
DISTRIBUTION BOARDS
Apart from Manufacturing Instrument Transformers upto 33KV, Mini Engineering W orksis engaged in HEAVY FABRICATION & Manufacturing of DISTRIBUTION BOARDS1. Complete Fabrication of CTs & PTs tanks upto 220KV as per drawings.
2. LT DISTRIBUTION BOXES, 25KVA to 315KVA with Kitkat fuse / MCCB as perdrawing
3. METER BOXES as per drawing
4. TRANSFORMER PROTECTION BOXES 25KVA as per drawing
5. MCB Distribution Boxes (4 or 6 W ay Single Door TPN)
6. MCB Distribution Boxes (4 or 6 W ay Double Door TPN)
LIST OF PLANT AND MACHINERY
Sr. No. Name OfMachine/
Equipment
Brief Specification Qty
1 Coil Drying OvenDrying Oven Temp.150 deg at atmospheric pressure 1 No
2 Drilling MachineVertical drilling Machine with3/4”Capacity 2 Nos
3 Storage Bins & RacksIndustrial storage plastic bins & M.S.Racks to stores material 3 Nos
4 H.V.Coil winding machine(Motorized)
Axial winding machine with maximum250 mm & axial Width 300mm Suitable 2 Nos
5L .V. Coil winding machine (Motorized)
Axial winding machine with maximum250 mm & axial Width 300mm SuitableUpto 22 swg Copper wire
2 Nos
6H.V.Coil winding machine(Hand winding)
Axial winding machine with maximum100mm & axial Width 120mm SuitableUpto 42 swg Copper wire
2 Nos
7Bench voice 12”jaw opening bench voice 2 Nos
8 Hand drill machine 10 mm bore capacity 2 Nos
9 Welding transformer2 phase, capacity of 250 mm weld current 2 Nos
10 Tooling Kit
Various tools for general purpose allen keys, spanner sets 4 Sets
11Brazing unit 150 Amp brazing Current 1 No
12 Air compressor For painting and finishing of work1 No
13 Bending Machine Suitable For Fabrication Bending OfSheet Metal Of Thickness 5 Mm
2 Nos
14 Shearing Machine Suitable For Fabrication Cutting OfSheet Metal Of Thickness 5 Mm
2 Nos
15 Grinding Machine For De Baring Of Metal Fabrication 3 Nos
16 Welding Machine Welding Of Ms Metal Purpose 4 Nos
17 Oven Heating Purpose 2 Nos
18 Furnace Annealing of Core1 No
LIST OF EQUIPMENTS FOR TESTING (INCLUDING INSPECTION OFRAW M ATERI ALS)
with Ammeter, kV meter, and
Manual voltage regulator
Sr. No. Name OfMachine/
Equipment
Brief Specification Calibrationstatus
Qty
1Combined CT Test System for measurement of ratio and phase angle error
Test system consisting Of test setCT TEST BRIDGE FOR 5A & 1A
calibrated 1 Set
2 Burden BoxBurden Box Of 40 VA Of 5 A Burden Box 40 VA Of 1 A calibrated 1 Set
3 Standard CT
0-5-10-15-20-25-30-40-50-60- 75-80-100-125-150-200/5 AMP calibrated 1 Set
0-5-10-15-20-25-30-40-50-60- 75-80-100-125-150-200/1 AMP 1 Set
4
Combined PT Test System for measurement of ratio and phase angle error
Test system consisting Of test setPT Test Bridge
calibrated 1 Set
5 Burden Box For PT
Burden Box Of 105 VA CapacityOf Output 110 Volts
calibrated1 Set
Burden Box Of 105 VA CapacityOf Output 63.5 Volts
calibrated1 Set
6 Standard PT’s
Standard 11kV PT 1ø /2øRatio: 11kV / 110V and 11Kv / rt3/110V /rt3
1 Set
Standard 22Kv PT 1ø /2øRatio: 22Kv / 110V and 22Kv / rt3/110V /rt3
calibrated1 Set
Standard 33Kv PT 1ø /2øRatio: 33Kv / 110V and 33Kv / rt3
/110V /rt3
calibrated1 Set
7High frequency generator set with control panel
Coupled motors with panel havingfrequencymeter to get double voltage and frequency for testing of PT’s
calibrated
1 Set
8High voltage AC TestSystem
Test system consisting of HV testtransformer 80kv, 4kVAcontinuous, control desk panel
tripping circuit of 20mA
calibrated
1 Set
9 5 kV High voltage AC TestSystem.
Test system consisting of 0-5 kV High voltage Transformer,
calibrated
1 Set
10 Set Of Voltmeter
Portable type precision type voltmeterRANGE: COM –75-150-300 VOLTS RANGE; COM-150-300-600VOLTS
calibrated
4 Nos
11 Set Of Ammeter
Portable type precision type voltmeterRANGE: COM-5A-10A-25A-50A-100ARANGE: COM-500ma- 1A –5A
calibrated
4 Nos
LIST OF EQUIPMENTS FOR TESTING (INCLUDING INSPECTION OFRAW MATERIALS)
Sr. No.Name Of
Machine/EquipmentBrief SpecificationCalibration
statusQty
12 Current Source 220V/0-1500 amps with suitable taps and capacity of 3.5 kVA
calibrated
1 Set
13 Resistance MeasuringBridge
4 Terminal Milli ohmmeter fr om199.9 micro ohm to 19.9 kiloOhms
calibrated1 No
14 Polarity Meter General Purpose Analog Metercalibrated
3 Nos
15 Voltage Regulator
0-415n Volts output28A. Auto Transfor mer input 415 volts 3 PHASE
calibrated
2 Nos
16 Continuity MeterGeneral Purpose AnalogMultimeter
calibrated1 No
17Digital General purposeMultimeter
General purpose Multimeter with facilities of AC DC voltage measurement, Ammeters Resistance Measurement
calibrated
2 Nos
18 Megger Meter5 kV MEGGER to measure insulation resistance value
calibrated2 Nos
19Clip – On MeterMAKE MECO 0– 1000 Amp, 750 Volts
calibrated1 No
QUALITY SYSTEMS AND PROCEDURES
1. BROUGHT OUT ITEMS (RAW M ATERI ALS)1.1. COPPER
- Maintaining Test Report for purchase from standard manufacturers- Testing class of insulation of enamel covering by performing temperature test- Electrical Breakdown Value (BDV) Test of enamel cov ering- Maintaining records of each spool used for individual jobPAPER- Maintaining Test Report for purchase from standard manufacturers- Testing class of insulation by carrying temperature test- Electrical Breakdown Value (BDV) TestOIL- Maintaining Test Report for purchase from standard manufacturers- Electrical Breakdown Value (BDV) TestCORE- Maintaining Test Report for purchase from standard manufacturers- Verifying the grade of material- Checking of Knee Point Voltage (SATURATION OF CORE)
1.2.
1.3.
1.4.
2. IN HOUSE TEST (SEMI FINISHED & FINISHED GOODS)2.1. COIL
- Resistance Of Coil- Maintaining records of coil used for each job- Examining dimensional records of coil- Maintaining records of wo rker, responsible for the windingSEMI FINISHED & FINISHED GOODS- Maintaining test report of SEMI FINISHED & FINISHED GOODS- Analyzing the reports of failures in inter mediate stages and taking corrective measures
2.2.
accordingly- Analyzing the reports of failures in final stage and taking corrective measures accordingly- Examining the final reports before dispatch
3. EQUIPMENTS3.1. TEST EQUIPMENT & MACHINE RIES- Periodically calibrating and reconditioning of test equipment and machineries from standard government and private lab s, required for testing in the production process.3.2. PERIODICAL MAINTENANCE OF PLANT AND MACHINE RIES
4. TESTS4.1. TYPE TEST- Timely performing the typ e test of the manufactured product in N.A.B.L accribated labs like E.R.D.A (Electronic Research and Development Association) and C.P.R.I (Central Power and Research Institute).
PRODUCT PROFILE
CURRENT TRANSFORMERAPPLICATION –Direct measurement of current in high voltage & high
current system is not possible because of
difficulty in electrical isolation of measuring instruments. Because of its high value,it is also not possible to use current flowing
directly to the system, so that current transformer are used to step down the high system current into low system measuring
current with their proportionate ratio. due to this it is possible to measure high system current by using standard measuring
instruments & relays, also its isolate meters,relays from high voltage systems.
VARIOUS TYPES OF CURRENT TRANSFORMERS
Ring T ype Current Transformers : A Current Transformer which has an window in the center
to accommodate a primary conductor (busbar or cable) through it.
Bar -Primar y Current Transformers : A Current Transformer in which the
primary winding consists of bar of suitable size and it is an integral part of the CT.
Wound T ype Current Transformers : A Current Transformer having a primary
winding of more than one full turn wound on the core.
Interposing Current Transformers : These Current Transformers are used in
conjunction with main CTs to alter the ratio of main CT or to provide isolation to
meters or relays from main CTs secondary circuit. Primary current of these CTs
are generally lower than 1 0 amp. Due to which they are always wound primary
type.
Summation Current Transformers : W hen current flowing, in more than one
feeder is required to be metered summation current transformer are used.
These Current Transformers are provided with more than one primary winding
and one common secondary.
Bushing T ype or Busduct Current Transformers : These Current
Transformers are Ring type construction & can be mounted on Busduct or
Bushing turrert of power transformer.
Core Balance Current Transformers : These are ring type Current
Transformers & suitable for the measurement of the sum of three phase currents
in a 3-ph cable. Under normal operating conditions this sum is zero. In the event
of an earth-fault the sum of the current is equal to the zero sequence current.
.
RESIN CAST CURRENT TRANSFORMER
RANGE – 11, 22 & 33 KVACCURACY CLASS – 0.2 & 0.5SPECIAL ACCURACY CLASS – 0.2S & 0.5S IS : 2705
Technical Specification As Per IS : 2705
or STC (lth) equal to the system fault level whichever is
For Protection:
General Particulars 11KV 22KV 33 KVHighest S ystem Voltage( H.S.V.) 12 KV ( r.m.s.) 24 KV ( r.m.s.) 36 KV (r.m.s.)Power frequency dr y/ wet withstandvoltage on primar y winding for one minute
28 KV ( r.m.s.) 50 KV ( r.m.s.) 70 KV ( r.m.s.)
Lightning Impulse withstand voltage(1.2 x 50 µ s )
75 KV ( r.m.s.) 125 KV ( r.m.s.) 170 KV ( r.m.s.)
PD measuring Voltage / PermissibleVoltage
7.6/50 15.2/50 23.0/50
Specific ParticularsRated Transformation Ratio As per customer requirement (in Amp.)Rated Primary Current Upto 2000 Amp.Rated Secondary Current 1 Amp. 5 Amp. 0.577 Amp.
Short Time Thermal Current (Ith)
As per customer requirement.In general CT is to be specified with STF of 100 for 1 Sec.
lower. KA ( r.m.s. )Short Time Dynamic Current 2.5 X Ith KA (Peak)Number of Cores Upto 3 coresOutput Burden Upto 60VA, 0.8 pf Lagging
Accuracy Class
For Metering :0.2S, 0.2, 0.5S, 0.5, 1.0 & 3.00.
5P, 10P, 15P & PSIAF, ALF, Knee Point Voltage, Exciting Current & Resistance
As per customer requirement / Design Constraints
Type of construction As Per Panel Conditions(Customer Requirement)
OIL COOLED CURRENT TRANSFORMER
Technical Specification As Per IS : 2705
In general CT is to be specified with STF of 100 for 1 Sec. or STC (lth) equal
For Protection:
General Particulars 11KV 22KV 33 KV 66 KVHighest S ystemVoltage( H.S.V.)
12 KV ( r.m.s.) 24 KV ( r.m.s.) 36 KV (r.m.s.) 72 KV (r.m.s.)
Power frequency dr y/ wet withstand voltage on primary winding for one minute
28 KV ( r.m.s.) 50 KV ( r.m.s.) 70 KV ( r.m.s.) 150 KV ( r.m.s.)
Lightning Impulse withstand voltage (1.2x 50 µ s )
75 KV ( r.m.s.) 125 KV ( r.m.s.) 170 KV ( r.m.s.) 350 KV ( r.m.s.)
Specific ParticularsRated TransformationRatio
As per customer requirement (in Amp.)
Rated Primary Current Upto 2000 Amp.Rated SecondaryCurrent
1 Amp. 5 Amp. 0.577 Amp.
Short Time ThermalCurrent (Ith)
As per customer requirement.
to the system fault level whichever is lower. KA ( r.m.s. )Short Time DynamicCurrent
2.5 X Ith KA (Peak)
Number of Cores Upto 5 coresOutput Burden Upto 60VA, 0.8 pf Lagging
Accuracy Class
For Metering :0.2S, 0.2, 0.5S, 0.5, 1.0 & 3.00.
5P, 10P, 15P & PSIAF, ALF, Knee Point Voltage, Exciting Current & Resistance
As per customer requirement / Design Constraints
Type of construction Dead / Bottom Tank or Live / Top Tank
POTENTIAL TRANSFORMER
APPLICATION – Direct measurement of voltage in high voltage & high current system is not possible because of
difficulty in electrical isolation of measuring instruments. Because of its high value, it is also not possible to use voltage
directly to the system, so that Potential transformer are used to step down the high system voltage into low system
measuring voltage with their proportionate ratio. due to this it is possible to measure high system voltage by using
standard measuring instruments & relays, also its isolate meters, relays from high voltage systems and also to sense
abnormalities in voltage & give signal to protective relay to isolate the defective system.
RESIN CAST POTENTIAL TRANSFORMER
RANGE – 11, 22 & 33 KVACCURACY CLASS – 0.2 & 0.5SPECIAL ACCURACY CLASS – 0.2S & 0.5S IS : 3156
Technical Specification As Per IS : 3156
General Particulars 11KV 22KV 33 KVHighest S ystem Voltage( H.S.V.) 12 KV ( r.m.s.) 24 KV ( r.m.s.) 36 KV (r.m.s.)
Power frequency dr y/ wet withstand voltage on primar y winding for one minute
28 KV ( r.m.s.) 50 KV ( r.m.s.) 70 KV ( r.m.s.)
Lightning Impulse withstand Voltage (1.2 x 50 µ s )
75 KV ( r.m.s.) 125 KV ( r.m.s.) 170 KV ( r.m.s.)
PD measuring Voltage / PermissibleVoltage
7.6/50 15.2/50 23.0/50
Specific ParticularsNumber of Phases 3 or 1 unearthed or earthedRated Transformation Voltage Ratio As per customer requirementNumber of Secondary W indings Upto 3Output Burden Upto 100VAAccuracy Class For Metering : 0.2, 0.5 & 1.0
For Protection: 3P, 6PVoltage Factor 1.2 Continuous & 1.5 for 30 Sec or 1.9 for 30 Sec or 1.9 for
8 hours
0IL COOLED POTENTIAL TRANSFORMER
OIL COOLED POTENTIAL TRANSFORMERS
Technical Specification As Per IS : 3156
General Particulars 11KV 22KV 33 KV 66 KVHighest S ystemVoltage( H.S.V.) 12 KV ( r.m.s.) 24 KV ( r.m.s.) 36 KV (r.m.s.) 72 KV (r.m.s.)
Power frequencydry/ wet withstand voltage on primar y winding for one minute
28 KV ( r.m.s.) 50 KV ( r.m.s.) 70 KV ( r.m.s.) 150 KV ( r.m.s.)
Lightning Impulse withstand Voltage (1.2 x 50 µ s )
75 KV ( r.m.s.) 125 KV ( r.m.s.) 170 KV ( r.m.s.) 350 KV ( r.m.s.)
Specific ParticularsNumber of Phases 3 or 1 unearthed or earthedRatedTransformationVoltage Ratio
As per customer requirement
Number ofSecondary Windings
Upto 3
Output Burden Upto 500VAAccuracy Class For Metering : 0.2, 0.5,1.0 & 3.0
For Protection: 3P, 6PVoltage Factor 1.2 Continuous & 1.5 for 30 Sec or 1.9 for 30 Sec or 1.9 for 8 hours
COMBINED CTPT SET
APPLICATION- Combined CTPT Metering Units that are available up to 33 kV class are manufactured specifically to
meet the needs of Electricity Supply and captive generating units. The C.T.-P.T. metering sets of this type as the name
suggests are used for measurement of power on high voltage side. The C.T.-P.T. sets are installed before the main
transformer and the main line goes through C.T.-P.T. set to the main transformer. Metering equipment is connected to the
secondary side of the C.T.-P.T. set. As the accuracy of the C.T.-P.T. set is high & as it is connected before the transformer,
measurement of power is much more accurate compared to the metering done on L.T. side, the transformer losses are
also included in the measurement.
OIL COOLED CTPT SET RESIN CAST 3 Ø PT
Technical Specification For Oil Cooled CTPT Set As Per IS:2705 & IS:3156
General Particulars 11KV 22KV 33 KVHighest S ystem Voltage( H.S.V.) 12 KV ( r.m.s.) 24 KV ( r.m.s.) 36 KV (r.m.s.)
Power frequency dr y/ wet withstand voltage on primar y winding for one minute
28 KV ( r.m.s.) 50 KV ( r.m.s.) 70 KV ( r.m.s.)
Lightning Impulse withstand Voltage (1.2 x 50 µ s )
75 KV ( r.m.s.) 125 KV ( r.m.s.) 170 KV ( r.m.s.)
System Particulars3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed.
3 Nos. CTs & 1 No. 3 - Phase PT
3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed.
2 Nos. CTs & 1 No. 3 - Phase PT
Specific ParticularsShort Time Thermal Current (Ith) As per customer requirement.
In general CT is to be specified with STF of 100 for 1 Sec. or STC (lth) equal to the system fault level whichever is lower. KA ( r.m.s. )
Output 10 VA to 100 VA for PT and 5 VA to 30 VA for CTAccuracy Class 0.2S, 0.2, 0.5S, 0.5, 1.0 for CT. and 0.2, 0.5 & 1.0 for PTSecondary Current (CT) 1 Amp or 5 AmpSecondary Voltage (VT) 110 Ph-Ph or 110/v3 V, Ph-NeutralPrimary Current (CT) As per customer requirement.Primary Voltage (VT) 11KV, 22KV, 33KV for 3-Phase PT
11/v3, 22/v3, 33/v3 for 1-Phase PT
Technical Specification For resin cast CTPT Set As Per IS:2705 & IS:3156
General Particulars 11KV 22KV 33 KVHighest S ystem Voltage( H.S.V.) 12 KV ( r.m.s.) 24 KV ( r.m.s.) 36 KV (r.m.s.)
Power frequency dr y/ wet withstand voltage on primar y winding for one minute
28 KV ( r.m.s.) 50 KV ( r.m.s.) 70 KV ( r.m.s.)
Lightning Impulse withstand Voltage( 1.2 x 50 µ s )
75 KV ( r.m.s.) 125 KV ( r.m.s.) 170 KV ( r.m.s.)
PD measuring Voltage / PermissibleVoltage
7.6/50 15.2/50 23.0/50
System Particulars3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed.
3 Nos. CTs & 1 No. 3 - Phase PT3 Nos. CTs & 3 Nos. 1 - Phase PT
3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed.
2 Nos. CTs & 1 No. 3 - Phase PT2 Nos. CTs & 3 Nos. 1 - Phase PT
Specific ParticularsShort Time Thermal Current (Ith) As per customer requirement.
In general CT is to be specified with STF of 100 for 1 Sec. or STC (lth) equal to the system fault level whichever is lower. KA ( r.m.s. )
Output 10 VA to 100 VA for PT5 VA to 30 VA for CT
Accuracy Class 0.2S, 0.2, 0.5S, 0.5, 1.0 for CT.0.2, 0.5 & 1.0 for PT
Secondary Current (CT) 1 Amp or 5 AmpSecondary Voltage (VT) 110 Ph-Ph or 110/v3 V, Ph-NeutralPrimary Current (CT) As per customer requirement.Primary Voltage (VT) 11KV, 22KV, 33KV for 3-Phase PT
11/v3, 22/v3, 33/v3 for 1-Phase PT
Low Tension Pilfer Resistant Metering Cubicle
Types:- L.T to 33 KV Voltages Class1/2/3 one to Five core availableVarious outline Size as per Customer requirementBar and W ound primary TypeCompact in design, Low cost and maintenance free. Used mainly for outdoor LT metering on poles. Separate Meter compartment and CT compartment. CT's are epoxy molded to avoid any pilferage.CT's are provided with various inner diameter according to requirement of cable size.Complete dust & vermin proof confirming to IP55 with locking and sealing arrangement.. No secondary circuit wires are accessible outside which avoids chances of energy theft. Stable accuracy over life time.Provision of installing modem inside the cubicle providedNon hygroscopic CT's.Precision check metering, control indication... Largely used for Metering of LT consumers .
Features:-
Application:-
Specification
3 Nos for 3Phase 3W ire System
SL. Particulars Unit Description1 Type of Box Sheet Metal or SMC2 Type of CT Epoxy Resin Cast Bar Primary L.T.C.T3 Operating System Voltage V 230 , 4404 Power Frequency Dry withstand Voltage KVp(rms)
3 to 6
5 Transformation ratio Amp 50 to 1200 or as per requirement6 Rated Secondary Current Amp 5.07 Fault Level of CT KA upto 6 KA for 1 or 3 sec8
No of CTno 4 Nos for 3Phase 4W ire System
9 Output Burden VA Upto 30 at 0.8 pF lag.10 Accuracy class -
EPOXY RESIN CAST PILFER RESISTANT METERING CUBICLE/PANEL
Types:- 11KV to 33KV Voltage Class3 no C.T's & 3 No Single Phase VT'S3 no C.T's & 1 No Three Phase VT'SCompact in design, Low cost and maintenance free. Separate Meter compartment and CT-PT compartment. Available in 3Phase 3W ire and 3Phase 4W ire systems. CT's & PT's are epoxy molded to avoid any pilferage.Complete dust & vermin proof confirming to IP55 with locking and sealing arrangement.No secondary circuit wires are accessible outside which avoids chances of energy theft.Stable accuracy over life time.Designed mainly for Indoor applicationsNon hygroscopic CT's & PT's.
Features:-
Application:- Precision Revenue metering, control indication.Used for Double Metering of Transformers.Used on Feeder Metering for energy accounting.
Specification
Upto 100 at 0.8 pf lag for PT
SL. Particulars 11 KV 15 KV 22 KV 33 KV1 Highest System Voltage kV 12 17 24 362 Power Freq dry/wet withstand voltage KVp rms 28 36 50 703 Lightning Impulse Voltage 1.2/50 µs KVp 75 110 125 1704 Partial Discharge Measuring Voltage/ Limit. KV/pC 7.6KV/50pC 10.8KV/50pC 15.2KV / 50pC 23KV / 50pC5 Transformation ratio Amp As per customer requirement.6 Rated Primary Current Amp Upto 1000 Amp7 Rated Secondary Current Amp 1.0, 5.08 Rated Secondary Voltage Volts 110/√3 for Ph-Neutral, 110 for Ph-Ph9 Rated Secondary Current Amp 1.0, 5.0
10 Short Time Current Rating KA(rms) Upto 25KA for 1 or 3 sec11
Out put BurdenVA Upto 30 at 0.8 pf lag for CT
12 Accuracy class -For CT - 0.2, 0.2s, 0.5, 0.5s, 1.0, 3.0 & 5.0For VT - 0.2, 0.5, 1.0
Office address :
F-285, UPSIDC, Khichra Industrial Area,Meerut-Guwahati Road,
Ghaziabad – 201001, UP, India
Phone No. : +91-9210927863 / +91-9313115696/ +91-9868667484E-mail ID : [email protected] /[email protected] / [email protected]
Contact Details :
Mr. Shokaut Ali / Mr. Sharafat Ali
Phone No. : +91-9313115696 / + 91-9868667484E-mail ID : [email protected] /[email protected] / [email protected]
Mr. Akram Saifi
Phone No. : +91-9210927863E-mail ID : [email protected] /
•
GOVERNMENT OF UTTAR PRADESH
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