- Plot No. 25, Aatmiya Brookfieldz Industrial Park, At Untiya (Kajapur) Village, Near Por Village, District : Vadodara, Gujarat, India.
Welcome to
Electrical Power Research Laboratory (EPRL)
Delivering advanced electrical testing, innovative research, and reliable technical solutions to ensure safety, efficiency, and performance in modern power systems and electrical infrastructure.
WHO ARE WE?
Electrical Power Research Laboratory (EPRL)
Electrical Power Research Laboratory (EPRL) provides comprehensive testing services for various types of transformers used in power generation, transmission, and distribution systems.
Our laboratory is equipped with advanced testing infrastructure and modern measuring instruments to ensure accurate and reliable results in accordance with national and international standards.
EPRL is committed to supporting manufacturers, utilities, and EPC contractors in ensuring the performance, safety, and reliability of transformers.
Transformer Testing Capacity
Transformer Type | Testing capacity |
Oil cooled Distribution and power Transformer | 1) Up to 5 MVA at Lab 2) Up to 25 MVA at Site |
Dry type Transformer | Up to 5 MVA |
Lightning Impulse testing | Up to 15 MVA at Lab |
Testing Standards
All testing activities are conducted as per recognized national and international standards:
- IS 1180 Part 1 – Distribution Transformers (Mineral Oil Filled)
- IS 1180 Part 3 – Distribution Transformers (Ester Filled)
- IS 2026 – Power Transformers
- IEC 60076 – International Standard for Power Transformers
- CBIP Manual on Transformers
Tests Conducted by
EPRL
EPRL performs various tests as per applicable transformer standards:
Routine Tests
- Measurement of winding resistance
- Measurement of voltage ratio and check of phase displacement
- Measurement of short-circuit impedance(principal tapping, when applicable) and load loss at 50 percent and 100 percent load
- Measurement of no-load loss and current
- Measurement of insulation resistance
- Induced over-voltage withstand test
- Separate-source voltage withstand test
- Pressure test
- Oil leakage test
Type Tests
- Lightning impulse test
- Temperature-rise test
- Pressure test
Special Tests
- Determination of sound levels
- No load current at 112.5 percent voltage
- Paint adhesion tests.
- BDV and moisture content of oil in the transformer
Additional Tests
- Measurement of Zero Sequence Impedance of three phase Transformers
- Magnetic Balance Test
- Measurement of the Harmonics of the no-load current
- Measurement of Neutral current
Get a Quote For Transformer Testing
Electrical Power Research Laboratory (EPRL)
Plot No. 25, Aatmiya Brookfieldz Industrial Park,
At Untiya (Kajapur) Village, Near Por Village,
District : Vadodara, Gujarat, India.
