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 manufacturer of measuring and Protection in High Voltage and Extra High Voltage Systems (Current Transformers and Potential Transformer). OVERVIEW MINI ENGINEERING WORKS, founded by Mr. SHOKAUT ALI and Er. AKRAM SAIFI, supported by a dedicated team of Engineers, Technicians and Business people, committed to a Technology, best quality products, has been in the field of P o w e r S e c t o r f o r m o r e t h a n 1 8 Y e a r s a n d n o w e s t a b l i s h e d a S e t u p o f Manufacturing state of High Voltage Power Products, from this Year 2013, and as we have already told above that both Mr. Sharafat Ali, Technical Professional having more than 18 years of experience in Power Sector especially Instrument Transformers Category. W e have very good contacts with almost all EPC Contractors/Electrical Contractors/PSU Units/Boards/Nigams. We have started supplying our products to Private Sectors currently 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. Today, M/s MINI ENGINEERING WORKS is v er y ne w t o t h e C or p or a t es b u t w e as s u r e s ou r b es t Q u al it y Pr o d u c t s i n a s ti p ul a t e d t i m e fr a m e . 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 Supplies Complete Substation Materials upto 400KV Class including Complete Substation / Plant Automation System by SCADA, PLC. FACTORY SET UP MINI ENGINEERING WORKS has factory setup with well-equipped laboratories, testing department with all facilities for production check for raw material, semi finished product and final product. 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 best Quality Products. COMMITTED TO • • •
Design, develop, manufacture and service quality products as per customer requirement. Carry out production as per the standard procedures. Improvement in product and services
THE TOTAL POWER SOLUTIONS As mentioned earlier, MINI ENGINEERING WORKS
is one
among those
organizations 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 Sr. No
DESCRIPTION OF ITEMS MANUFACURED RESIN CAST CT RING TYPE AND 3 PHASE CT
1
RANGE 440V/660V
BANK TYPE
2
RESIN CAST C.T
Up to 33kV
3
RESIN CAST P.T.
Up to 33kV
4
COMBINE CTPT METERING SET (33kV, 22kV, 11kV) OUTDOOR, SINGLE PHASE CURRENT TRANSFORMERS OUTDOOR, SINGLE PHASE POTENTIAL TRANSFORMERS
Up to 33 kV
PILFER CTPT METERING CUBICLE
Upto 33KV
5 6 7
Up to 33 Kv Up to 33 kV
TYPE TEST Our all Products are type tested from Govt. Laboratory ERDA, Vadodara.
THE TOTAL POWER SOLUTIONS DISTRIBUTION BOARDS Apart from Manufacturing Instrument Transformers upto 33KV, Mini Engineering Works is engaged in HEAVY FABRICATION & Manufacturing of DISTRIBUTION BOARDS 1.
Complete Fabrication of CTs & PTs tanks upto 220KV as per drawings.
2.
LT DISTRIBUTION BOXES, 25KVA to 315KVA with Kitkat fuse / MCCB as per drawing
3.
METER BOXES as per drawing
4.
TRANSFORMER PROTECTION BOXES 25KVA as per drawing
5.
MCB Distribution Boxes (4 or 6 Way Single Door TPN)
6.
MCB Distribution Boxes (4 or 6 Way Double Door TPN)
LIST OF PLANT AND MACHINERY Sr. No.
Name Of Machine/Equipment
Brief Specification
Qty
1
Coil Drying Oven
Drying Oven Temp.150 atmospheric pressure
deg
2
Drilling Machine
Vertical drilling Capacity
with3/4�
3
Storage Bins & Racks
Industrial storage plastic bins & M.S.Racks to stores material
4
H.V.Coil winding machine (Motorized)
Machine
at
Axial winding machine with maximum 250 mm & axial Width 300mm Suitable Up to 42 swg Axial winding machine with maximum 250 mm & axial Width 300mm Suitable Upto 22 swg Copper wire
1 No
2 Nos
3 Nos
2 Nos
5
L .V. Coil winding machine (Motorized)
6
H.V.Coil winding machine (Hand winding)
Axial winding machine with maximum 100mm & axial Width 120mm Suitable Upto 42 swg Copper wire
2 Nos
Bench voice
12�jaw opening bench voice
2 Nos
8
Hand drill machine
10 mm bore capacity
2 Nos
9
Welding transformer
2 phase, capacity of 250 mm weld current
2 Nos
10
Tooling Kit
7
2 Nos
Brazing unit
Various tools for general purpose allen keys, spanner sets &Other instruments 150 Amp brazing Current
Air compressor
For painting and finishing of work
13
Bending Machine
Suitable For Fabrication Bending Of Sheet Metal Of Thickness 5 Mm
2 Nos
14
Shearing Machine
Suitable For Fabrication Cutting Of Sheet 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
Furnace
Annealing of Core
4 Sets 1 No
11
12
18
1 No
1 No
LIST OF EQUIPMENTS FOR TESTING (INCLUDING INSPECTION OF RAW MATERIALS) Name Of Machine/Equipment
Brief Specification
1
Combined CT Test System for measurement of ratio and phase angle error
Test system consisting Of test set CT TEST BRIDGE FOR 5A & 1A
calibrated
1 Set
2
Burden Box
Burden Box Of 40 VA Of 5 A Burden Box 40 VA Of 1 A
calibrated
1 Set
0-5-10-15-20-25-30-40-50-60-7580-100-125-150-200/5 AMP
calibrated
1 Set
Sr. No.
3
Calibration status
Standard CT 0-5-10-15-20-25-30-40-50-60-7580-100-125-150-200/1 AMP
4
5
6
7
Combined PT Test System for measurement of ratio and phase angle error
Burden Box For PT
Standard PT’s
High frequency generator set with control panel
8
High voltage AC Test System
9
5 kV High voltage AC Test System.
10
11
Qty
Set Of Voltmeter
Set Of Ammeter
1 Set
Test system consisting Of test set PT Test Bridge
calibrated
Burden Box Of 105 VA Capacity Of Output 110 Volts
calibrated
Burden Box Of 105 VA Capacity Of Output 63.5 Volts
calibrated
Standard 11kV PT 1ø /2ø Ratio: 11kV / 110V and 11Kv / rt3 /110V /rt3 Standard 22Kv PT 1ø /2ø Ratio: 22Kv / 110V and 22Kv / rt3 /110V /rt3 Standard 33Kv PT 1ø /2ø Ratio: 33Kv / 110V and 33Kv / rt3 /110V /rt3 Coupled motors with panel having frequency meter to get double voltage and frequency for testing of PT’s Test system consisting of HV test transformer 80kv, 4kVA continuous, control desk panel with Ammeter, kV meter, and tripping circuit of 20mA
1 Set
1 Set 1 Set 1 Set
calibrated 1 Set calibrated 1 Set calibrated 1 Set calibrated 1 Set
Test system consisting of 0-5 kV High voltage Transformer, Manual voltage regulator
calibrated
Portable type precision type voltmeter RANGE: COM –75-150-300 VOLTS RANGE; COM-150-300-600 VOLTS Portable type precision type voltmeter RANGE: COM-5A-10A-25A-50A100A RANGE: COM-500ma- 1A –5A
calibrated
1 Set
4 Nos
calibrated 4 Nos
LIST OF EQUIPMENTS FOR TESTING (INCLUDING INSPECTION OF RAW MATERIALS) Sr. No.
Name Of Machine/Equipment
Brief Specification
Calibration status
Qty
calibrated 12
Current Source
220V/0-1500 amps with suitable taps and capacity of 3.5 kVA
13
Resistance Measuring Bridge
4 Terminal Milli ohmmeter from 199.9 micro ohm to 19.9 kilo Ohms
14
Polarity Meter
General Purpose Analog Meter
15
Voltage Regulator
0-415n Volts output 28A. Auto Transformer input 415 volts 3 PHASE
16
Continuity Meter
General Multimeter
17
Digital General purpose Multimeter
General purpose Multimeter with calibrated facilities of AC DC voltage measurement, Ammeters Resistance Measurement
18
Megger Meter
5 kV MEGGER to measure insulation resistance value
19
Clip – On Meter MAKE MECO
0– 1000 Amp, 750 Volts
Purpose
1 Set calibrated 1 No calibrated
3 Nos
calibrated 2 Nos Analog
calibrated
1 No
2 Nos
calibrated 2 Nos calibrated
1 No
QUALITY SYSTEMS AND PROCEDURES 1. BROUGHT OUT ITEMS (RAW MATERIALS) 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 covering - Maintaining records of each spool used for individual job 1.2. PAPER - Maintaining Test Report for purchase from standard manufacturers - Testing class of insulation by carrying temperature test - Electrical Breakdown Value (BDV) Test 1.3. OIL - Maintaining Test Report for purchase from standard manufacturers - Electrical Breakdown Value (BDV) Test 1.4. CORE - Maintaining Test Report for purchase from standard manufacturers - Verifying the grade of material - Checking of Knee Point Voltage (SATURATION OF CORE)
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 worker, responsible for the winding 2.2. SEMI FINISHED & FINISHED GOODS - Maintaining test report of SEMI FINISHED & FINISHED GOODS - Analyzing the reports of failures in intermediate stages and taking corrective measures accordingly - Analyzing the reports of failures in final stage and taking corrective measures accordingly - Examining the final reports before dispatch
3. EQUIPMENTS 3.1. TEST EQUIPMENT & MACHINERIES - Periodically calibrating and reconditioning of test equipment and machineries from standard government and private labs, required for testing in the production process. 3.2. PERIODICAL MAINTENANCE OF PLANT AND MACHINERIES
4. TESTS 4.1. TYPE TEST - Timely performing the type 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 TRANSFORMER APPLICATION –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 Type Current Transformers : A Current Transformer which has an window in the center to accommodate a primary conductor (busbar or cable) through it. Bar -Primary 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 Type 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 Type 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 KV ACCURACY CLASS – 0.2 & 0.5 SPECIAL ACCURACY CLASS – 0.2S & 0.5S IS : 2705
Technical Specification As Per IS : 2705 General Particulars 11KV 22KV 33 KV Highest System Voltage( H.S.V.) 12 KV ( r.m.s.) 24 KV ( r.m.s.) 36 KV (r.m.s.) Power frequency dry/ wet withstand 28 KV ( r.m.s.) 50 KV ( r.m.s.) 70 KV ( r.m.s.) voltage on primary winding for one minute Lightning Impulse withstand voltage 75 KV ( r.m.s.) 125 KV ( r.m.s.) 170 KV ( r.m.s.) (1.2 x 50 µ s ) PD measuring Voltage / Permissible 7.6/50 15.2/50 23.0/50 Voltage Specific Particulars Rated Transformation Ratio As per customer requirement (in Amp.) Rated Primary Current Upto 2000 Amp. Rated Secondary Current 1 Amp. 5 Amp. 0.577 Amp. As per customer requirement. In general CT is to be specified with STF of 100 for 1 Sec. Short Time Thermal Current (Ith) or STC (lth) equal to the system fault level whichever is lower. KA ( r.m.s. ) Short Time Dynamic Current 2.5 X Ith KA (Peak) Number of Cores Upto 3 cores Output Burden Upto 60VA, 0.8 pf Lagging For Metering : 0.2S, 0.2, 0.5S, 0.5, 1.0 & 3.00. Accuracy Class For Protection: 5P, 10P, 15P & PS IAF, ALF, Knee Point Voltage, As per customer requirement / Design Constraints Exciting Current & Resistance Type of construction As Per Panel Conditions(Customer Requirement)
OIL COOLED CURRENT TRANSFORMER
Technical Specification As Per IS : 2705 General Particulars 11KV 22KV 33 KV 66 KV Highest System 12 KV ( r.m.s.) 24 KV ( r.m.s.) 36 KV (r.m.s.) 72 KV (r.m.s.) Voltage( H.S.V.) Power frequency dry/ wet withstand voltage 28 KV ( r.m.s.) 50 KV ( r.m.s.) 70 KV ( r.m.s.) 150 KV ( r.m.s.) on primary winding for one minute Lightning Impulse 75 KV ( r.m.s.) 125 KV ( r.m.s.) 170 KV ( r.m.s.) 350 KV ( r.m.s.) withstand voltage (1.2 x 50 Âľ s ) Specific Particulars Rated Transformation As per customer requirement (in Amp.) Ratio Rated Primary Current Upto 2000 Amp. Rated Secondary 1 Amp. 5 Amp. 0.577 Amp. Current As per customer requirement. Short Time Thermal In general CT is to be specified with STF of 100 for 1 Sec. or STC (lth) equal Current (Ith) to the system fault level whichever is lower. KA ( r.m.s. ) Short Time Dynamic 2.5 X Ith KA (Peak) Current Number of Cores Upto 5 cores Output Burden Upto 60VA, 0.8 pf Lagging For Metering : 0.2S, 0.2, 0.5S, 0.5, 1.0 & 3.00. Accuracy Class For Protection: 5P, 10P, 15P & PS IAF, ALF, Knee Point As per customer requirement / Design Constraints Voltage, Exciting Current & Resistance 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 KV ACCURACY CLASS – 0.2 & 0.5 SPECIAL ACCURACY CLASS – 0.2S & 0.5S IS : 3156
Technical Specification As Per IS : 3156 General Particulars Highest System Voltage( H.S.V.) Power frequency dry/ wet withstand voltage on primary winding for one minute Lightning Impulse withstand Voltage ( 1.2 x 50 µ s ) PD measuring Voltage / Permissible Voltage Specific Particulars Number of Phases Rated Transformation Voltage Ratio Number of Secondary Windings Output Burden Accuracy Class Voltage Factor
11KV
22KV
33 KV
12 KV ( r.m.s.)
24 KV ( r.m.s.)
36 KV (r.m.s.)
28 KV ( r.m.s.)
50 KV ( r.m.s.)
70 KV ( r.m.s.)
75 KV ( r.m.s.)
125 KV ( r.m.s.)
170 KV ( r.m.s.)
7.6/50
15.2/50
23.0/50
3 or 1 unearthed or earthed As per customer requirement Upto 3 Upto 100VA For Metering : 0.2, 0.5 & 1.0 For Protection: 3P, 6P 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 Highest System Voltage( H.S.V.) Power frequency dry/ wet withstand voltage on primary winding for one minute Lightning Impulse withstand Voltage ( 1.2 x 50 Âľ s ) Specific Particulars Number of Phases Rated Transformation Voltage Ratio Number of Secondary Windings Output Burden Accuracy Class Voltage Factor
11KV
22KV
33 KV
66 KV
12 KV ( r.m.s.)
24 KV ( r.m.s.)
36 KV (r.m.s.)
72 KV (r.m.s.)
28 KV ( r.m.s.)
50 KV ( r.m.s.)
70 KV ( r.m.s.)
150 KV ( r.m.s.)
75 KV ( r.m.s.)
125 KV ( r.m.s.)
170 KV ( r.m.s.)
350 KV ( r.m.s.)
3 or 1 unearthed or earthed As per customer requirement Upto 3 Upto 500VA For Metering : 0.2, 0.5,1.0 & 3.0 For Protection: 3P, 6P 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 Ă˜ PT
Technical Specification For Oil Cooled CTPT Set As Per IS:2705 & IS:3156 General Particulars Highest System Voltage( H.S.V.) Power frequency dry/ wet withstand voltage on primary winding for one minute Lightning Impulse withstand Voltage ( 1.2 x 50 Âľ s ) System Particulars 3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed. 3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed. Specific Particulars Short Time Thermal Current (Ith)
Output Accuracy Class Secondary Current (CT) Secondary Voltage (VT) Primary Current (CT) Primary Voltage (VT)
11KV
22KV
33 KV
12 KV ( r.m.s.)
24 KV ( r.m.s.)
36 KV (r.m.s.)
28 KV ( r.m.s.)
50 KV ( r.m.s.)
70 KV ( r.m.s.)
75 KV ( r.m.s.)
125 KV ( r.m.s.)
170 KV ( r.m.s.)
3 Nos. CTs & 1 No. 3 - Phase PT 2 Nos. CTs & 1 No. 3 - Phase PT
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. ) 10 VA to 100 VA for PT and 5 VA to 30 VA for CT 0.2S, 0.2, 0.5S, 0.5, 1.0 for CT. and 0.2, 0.5 & 1.0 for PT 1 Amp or 5 Amp 110 Ph-Ph or 110/v3 V, Ph-Neutral As per customer requirement. 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 Highest System Voltage( H.S.V.) Power frequency dry/ wet withstand voltage on primary winding for one minute Lightning Impulse withstand Voltage ( 1.2 x 50 Âľ s ) PD measuring Voltage / Permissible Voltage System Particulars 3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed. 3 Phase 4 Wire with Isolated / Floating neutral as well as solidly earthed. Specific Particulars Short Time Thermal Current (Ith)
Output Accuracy Class Secondary Current (CT) Secondary Voltage (VT) Primary Current (CT) Primary Voltage (VT)
11KV
22KV
33 KV
12 KV ( r.m.s.)
24 KV ( r.m.s.)
36 KV (r.m.s.)
28 KV ( r.m.s.)
50 KV ( r.m.s.)
70 KV ( r.m.s.)
75 KV ( r.m.s.)
125 KV ( r.m.s.)
170 KV ( r.m.s.)
7.6/50
15.2/50
23.0/50
3 Nos. CTs & 1 No. 3 - Phase PT 3 Nos. CTs & 3 Nos. 1 - Phase PT 2 Nos. CTs & 1 No. 3 - Phase PT 2 Nos. CTs & 3 Nos. 1 - Phase PT 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. ) 10 VA to 100 VA for PT 5 VA to 30 VA for CT 0.2S, 0.2, 0.5S, 0.5, 1.0 for CT. 0.2, 0.5 & 1.0 for PT 1 Amp or 5 Amp 110 Ph-Ph or 110/v3 V, Ph-Neutral As per customer requirement. 11KV, 22KV, 33KV for 3-Phase PT 11/v3, 22/v3, 33/v3 for 1-Phase PT
Low Tension Pilfer Resistant Metering Cubicle
Types:-
Features:-
Application:-
L.T to 33 KV Voltages Class 1/2/3 one to Five core available Various outline Size as per Customer requirement Bar and Wound primary Type Compact 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 provided Non hygroscopic CT's. Precision check metering, control indication... Largely used for Metering of LT consumers .
Specification SL. 1 2 3 4
Particulars Type of Box Type of CT Operating System Voltage Power Frequency Dry withstand Voltage 5 Transformation ratio 6 Rated Secondary Current 7 Fault Level of CT 8 No of CT
9 Output Burden 10 Accuracy class
Unit
V KVp(rms) Amp Amp KA no VA -
Description Sheet Metal or SMC Epoxy Resin Cast Bar Primary L.T.C.T 230 , 440 3 to 6 50 to 1200 or as per requirement 5.0 upto 6 KA for 1 or 3 sec 4 Nos for 3Phase 4Wire System 3 Nos for 3Phase 3Wire System Upto 30 at 0.8 pF lag.
EPOXY RESIN CAST PILFER RESISTANT METERING CUBICLE/PANEL
Types:-
Features:-
Application:-
11KV to 33KV Voltage Class 3 no C.T's & 3 No Single Phase VT'S 3 no C.T's & 1 No Three Phase VT'S Compact in design, Low cost and maintenance free. Separate Meter compartment and CT-PT compartment. Available in 3Phase 3Wire and 3Phase 4Wire 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 applications Non hygroscopic CT's & PT's. Precision Revenue metering, control indication. Used for Double Metering of Transformers. Used on Feeder Metering for energy accounting.
Specification SL. 1 2 3 4 5 6 7 8 9 10 11 12
Particulars Highest System Voltage Power Freq dry/wet withstand voltage Lightning Impulse Voltage 1.2/50 µs Partial Discharge Measuring Voltage/ Limit. Transformation ratio Rated Primary Current Rated Secondary Current Rated Secondary Voltage Rated Secondary Current Short Time Current Rating Out put Burden Accuracy class For CT For VT
kV KVp rms KVp KV/pC Amp Amp Amp Volts Amp KA(rms) VA -
11 KV 15 KV 22 KV 33 KV 12 17 24 36 28 36 50 70 75 110 125 170 7.6KV/50pC 10.8KV/50pC 15.2KV / 50pC 23KV / 50pC As per customer requirement. Upto 1000 Amp 1.0, 5.0 110/√3 for Ph-Neutral, 110 for Ph-Ph 1.0, 5.0 Upto 25KA for 1 or 3 sec Upto 30 at 0.8 pf lag for CT Upto 100 at 0.8 pf lag for PT 0.2, 0.2s, 0.5, 0.5s, 1.0, 3.0 & 5.0 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/ +91-9868667484 E-mail ID : mew.ctpt@gmail.com / luckyindiapowersolutions@gmail.com / info@luckyindiapowersolution.com
Contact Details : Mr. Shokaut Ali / Mr. Sharafat Ali Phone No. : +91-9313115696 / + 91-9868667484 E-mail ID : mew.ctpt@gmail.com / luckyindiapowersolutions@gmail.com / info@luckyindiapowersolution.com
Mr. Akram Saifi Phone No. : +91-9210927863 E-mail ID : mew.ctpt@gmail.com / luckyindiapowersolutions@gmail.com / info@luckyindiapowersolution.com