Electrical Research and Development Association – ERDA

ERDA Road, Makarpura GIDC, Vadodara – 390010 INDIA

Website

+91 265 3048036

High Voltage Laboratory
Telephone: (91) 265 3048036 Telefax: (91) 265 2638382
E-mail: anil.khopkar@erda.org
High Power Laboratory
Telephone: (91) 265 3048040    Telefax: (91) 265 2638382
E-mail: h.mishra@erda.org
Certification Department
Telephone: (91) 265 3048040                    Telefax: (91) 265 2638382
E-mail: h.mishra@erda.org
Key Contact Personnel:
M. K. Shah, Director     mukesh.shah@erda.org
Gurpreet Grewal, Deputy Director (Material Testing)     gurpreet.grewal@erda.org
H. K. Mishra, Deputy Director (Power Equipment)          h.mishra@erda.org
Satish Chetwani, Asst. Director (R&D)                                 satish.chetwani@erda.org
Vinod Gupta, Asst. Director (Secondary Equipment)       vinod.gupta@erda.org
Anil Khopkar, Head – Impulse & HV                                    anil.khopkar@erda.org
Rajib Chattopadhyay, Head – Business Development       rajib.chattopadhyay@erda.org
Year Founded: HV Lab: 1983 HP Lab: 1997
Total Number of Employees: 359
Major Export Markets Served (2015): Middle East Asia & South Asia

HIGH VOLTAGE LABORATORY

Number of Employees in High Voltage Laboratory: 30
Dimensions of Main Test Hall:
High Voltage impulse laboratory – 1: 16 m length x 16 m width x 16 m height
High Voltage Impulse Laboratory – 2: 13 m length x 13 m width x 13 m height
High Voltage Impulse Laboratory – 3: 10 m length x 10 m width x 10 m height
Dimensions of Secondary Test Hall:
High Voltage impulse Laboratory – 1: 16 m length x 16 m width x 16 m height
High Voltage Impulse Laboratory – 2: 13 m length x 13 m width x 13 m height
High Voltage Impulse laboratory – 3: 10 m length x 10 m width x 10 m height
Dielectric Testing Facilities:

  Max. Volt. Standard/Remarks
Impulse Testing:   
Lightning Impulse 1600 kVp Up to 400 kV products can be tested
Switching Impulse (Dry) 1200 kVp Up to 400 kV products can be tested
Switching Impulse (Wet)  1200 kVp Up to 400 kV products can be tested
A.C. Testing:   
Dry /Wet 700 kV / 0.5 Amp Suitable for 400 kV Products
Partial Discharge & RIV Testing 100 kV/ 400 kV PD test up to 33 kV / RIV up to 400 kV products
Capacitance & Loss angle Testing: 100 kV Up to 66 kV Products
D.C. Testing:   
Dry 100 kV DC  

Ageing Tests: Tracking and erosion test facility (Multiple stress ageing test) on composite Insulators as per IEC: 62217. For 1000 Hrs & 5000 Hrs upto 33kV class
Other tests performed on insulators, arresters, bushings or cable terminations:

Insulators: Steep wave front test, Visible discharge test, Power Frequency Puncture voltage test, Mechanical tests
Lightning Arresters: Impulse Residual voltage test at 500 Apk
Bushings: Temperature rise test, Short circuit withstand capability test, cantilever
Load withstand test.

    Max. Voltage Max.
Power
Frequency        Standard
Transformer Testing:     
Single Phase 33 kV  2000 kVA 50 Hz IEC: 60076 & IS: 2026
Three Phase 33 kV  2000 kVA 50 Hz IEC: 60076 & IS: 2026
Reactor Testing:     
Single Phase  33 kV 500 kVAR 50 Hz IEC: 60289 & IS: 5553
Three Phase 33 kV 500 kVAR 50 Hz IEC: 60289 & IS: 5553
HV Cable Testing:
  Max. Volt./Current               Standard
AC Voltage 6000 A, 200 kVac

IEC: 60502 for 33 kV and

IEC: 60840 for 66 kV

DC Voltage  100 kV dc 

IEC: 60502 for 33 kV and

IEC: 60840 for 66 kV

Lightning Impulse  1600 kVp 

IEC: 60502 for 33 kV and

IEC: 60840 for 66 kV  

Switching Impulse  1200 kVp 

IEC: 60502 for 33 kV and

IEC: 60840 for 66 kV  

Capacitance & Tan ∂ Testing: 200 kVac

IEC: 60502 for 33 kV and

IEC: 60840 for 66 kV

Test Loop Length: 

13 m for electrical tests with terminations for 66 kV
8 m for physical tests
14 m for dummy samples for 66 kV only
6 m for water penetration test for 66 k

 

High Power Laboratory

Total number of employees in the High Power Laboratory: 32
Dimensions of Main Test Hall (in meters – Length x Width x Height):
Short Circuit Station-1: 34 x 6 x 3
Short Circuit Station-2: 36 x 6 x 3
Short Circuit Station-3: 66 x 23 x 3
Kind of Power Source for the HP Laboratory: Grid supply
Specifications of Main Test Bay:
Short Circuit Station – 1: 12 x 3.8 x 6
Short Circuit Station – 2: Two Bays a) 12 x 6.2 x 6 & b) 4 x 12 x 6
Short Circuit Station – 3: Two Bays a) 8 x 8 x 5.2 & b) 8 x 6 x 5.2

   Max. MVA  Max. kV  Max. kA & Duration
 Short Circuit Station – 1  50  0.525  50kA, 1 sec
 Short Circuit Station – 2  50  0.525  50kA, 1 sec
Short Circuit Station – 3  100   0.570  120kA, 1 sec

Electrical Tests:
All type tests on low voltage products according to IEC and IS standards, climatic tests, electrical endurance tests, 2.5 kA, 440 V
Kind of Power Source for the HP Laboratory: Grid supply
Specifications of Main Test Bay:
Short Circuit Station – 1: 12 x 3.8 x 6
Short Circuit Station – 2: Two Bays a) 12 x 6.2 x 6 & b) 4 x 12 x 6
Short Circuit Station – 3: Two Bays a) 8 x 8 x 5.2 & b) 8 x 6 x 5.2
Heat Run Tests:
Up to 20kA, 3 Phase, 10 V
Feeder loading unit to load up to 16 nos out going feeders
Other Types of High Power Tests Offered:
Internal arc test upto 120kA for 0.3 sec. @ 475V.
On-line partial discharge detection by acoustic emission technique
Tan ∂, partial discharge measurement on cables using VLF techniques at site
High Current Test Facilities & Capabilities:
Time-current characteristics for MCCBs/ACBs up to 40kA, 40V, 1 phase


Other Test Capabilities

Mechanical Tests:
Horizontal UTM – 200 kN & 15 m span
Vertical UTMs– 100 kN & 0.6 m span, 200 kN & 0.6 m span, 400 kN & 1.5 m span
Thermal Mechanical Chamber – 200 kN & 2 m span
Bend Test Set up – 30 kN & 3 m height
Torsion Set up – 200 kN and 3 m height
Seismic Tests:
Frequency range: 0.1 to 50 Hz
Maximum Displacement: 300 mm Peak to Peak
Maximum Acceleration: 3.4 g
Maximum pay mass capacity: 400 kgf
Input waveforms: Sinusoidal/Sine beat/ Sine sweep/Random
Platform size mounting: 0.6 m x 0.6 m
Environmental Tests:
-40°C to +180°C with humidity control and chamber size of 0.9 m x 1 m x 0.9 m
From ambient to -65°C with a cold chamber size of 0.58 m x 0.55 m x 1.12 m
Acoustic Measurement: Sound level test for transformers:
Sound meter – Make: Quest Technologies, USA
Range: 20-140 dB, Accuracy:Type-1 for critical measurement
Analyzer: 1/3 or 1/1 octave band analyzer from 12.5 Hz to 20 kHz
Additional Special Facilities for Testing Electrical Insulators, Arresters, Bushings & Cable Terminations:
Partial discharge test facility for insulators, arrestors, bushings
Test facilities for cable terminations as per IEC: 60502 and IEC: 60340 except salt fog and humidity test.
Number of Employees in Other Facilities: 297

Posted in AC Testing, Acoustic Measurements, Ageing Testing, Cable Testing, Capacitance & Tan ∂ Testing, DC Testing, Electrical Tests, Heat Run Tests, High Current Tests, High Power Laboratory, High Voltage Laboratory, Impulse Testing, Mechanical Tests, Other Test Laboratories, Other Types of HP Tests, Other Types of HV Tests, Partial Discharge, Seismic Tests and Transformer Testing

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