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An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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Page 1: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

An ISO 9001:2008 Certified Company

Mini Engineering WorksF-285, UPSIDC, Khichra Industrial Area,

Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

Page 2: An ISO 9001:2008 Certified Company Mini Engineering Works F-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

••

Page 3: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 4: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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)

Page 5: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 6: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 7: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 8: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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).

Page 9: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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.

.

Page 10: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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)

Page 11: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 12: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 13: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 14: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 15: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 16: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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 -

Page 17: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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

Page 18: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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] /

[email protected] / [email protected]

Page 19: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

GOVERNMENT OF UTTAR PRADESH

OffiCE OF THE GENERAL MANAGER

DISTRICT INDUSTRIESCENTER, HAPUR

A.cknawled8!mel)\ PART·II1. ""$ MINI CtJGIH!CBlNG

FOR A MAHUFAc;rURJUG

BOAD 'NOL AReA HAtUS

STATED IN FORM NO Us,'"

WORK~ (PROPRIElOR - MOHR. YUNUS)ENTERPRJSe SEllJP AT THE ADDRESS ,-

u,P.. ,:oR THE ITEM ,ITEMS lN01CATEO

, HAS AllED MEMORANDUM285 ","JDe eKAle 1 M.G.

ea.OW AS PER THE FACTS

AND AllOCATED ENTRePRENEURS M.EMORANOUHNO. AS 8El.OV/:

DETAILS 0" IT!M I "eMS TO IE NANUFACTUAfO I seRVIa TO ee PROVJDf:D:

l"'tla' o..te Of Production Ica"1 •

--,2. -51·1-1-t''''.

M

-cture' Types C.poclty 11'1 I

anufa. IOf Un t I Commenclment Of JRendered O( ManUfactu..:: _!No. Of Serv(ce To Be Service

i250000.o0000 -rHo !oSIOW9'---'5000..00000 '0",..0'106/1.,.1

:1

si, N!:._] In~~ In ~ AndMachinerIyl!qlllpm~

I- - lO 00000

NOTe: THe ISSUE OF THIS ACKNOWLEOGEMENT DOES HOT 8ESTOF At('( LfGAL RIGHT. THE

..fHTERP'USE IS REQUIReo TO SEeK REQUISITE ClfAAANCf / UCENSE ,PERMIT REQUIRED

STlPlA.ATED UNDER n<E (AWS Of CEHTIW. GOVERNJoIfHT ,UNDER STATUTORY OBUGAnDNSTATE GOVERNMENT / lIT AOMINISTAATIDN /cOVRT ORDERS.

DATI Of CHANG! OF CAT!.GORYS.FROM MICRO I SMALL TO SMALL'MfDIUN OR VICE veASA

OAT! OFIssue

NATURE OFACTlVtTY(MANUFACTURING

·1.SERVlC£S·2)

QHUIZQU (DD/MM/YYYV)

6,

1.

01/11/2013 (,OO/MM/VVYY)

CATEGORY OF ENTERPRISES (MICRO, 1I.SMAU·2.HEOI_3)

8.

9. ENTfRPR!NfURSHUMBER

MEMORANDUM

(ARST TWO BDXES ARE fOR STATE/UT CODE. NEXT THREE 80XES ARE FOR DISTRICT COOE

.SlXTH ANO SEVENTHsexes AR.e fOR CATeGORY OF ENTfRrRlSe. (SIX BOX FOP.

INDICATJNGMAN\JFACTURlNG OR SERVICE ANO SEVENTH 80X fOR INOICAnNCi MICRO OR SMAll ORMEDIUM) AND lAST FIVE BOXES ARE FOR EM NUMBER)

OATI:-01/11/101.3 GENERAl. MANAGER

Page 20: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

.

. ROHS

CERIlFICATION

PVT.

LTD

Cerllficab! No.

Awarded to1~IlQOI5

DOb! of Issue

08,07'2013 Mis. MINI ENGINEERING WORKS

ln Sut'Yeilianceaudit

07072014PLOT

NO. C-430/4, VISHWKARMA MARG, HINDON VIHAR,GHAZIABAO (UP)

INDIA.2nd SUN.lllance

0'072015

audit

It is a!rtified that Quality Manogement System of Organllatlon hasbeen audited and found to be in accordance with the requirement of the Quality Management System standard:

Oate Certificate Expires

0'0'2016

ISO 9001 :2008

For the scope 0/ actlvities described below:

MANUFACTURING AND SUPPLY OF INSTRUMENT TRANSFORMER

& DISTRIBUTION TRANSFORMERS AND ACCESSORIES

CB· 035· MS

RDHSCertification Pvt. Ltd. ,

Page 21: An ISO 9001:2008 Certified Company Mini Engineering Works F-285, UPSIDC, Khichra Industrial Area, Meerut-Gulawati Road, Ghaziabad – 201001, UP, India

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