Instrument Transformer Laboratory
Instrument Transformer finds wide application in power systems for measurement and protection. They are one of the most important equipment for recording of energy and protection purpose. ERDA has state of the art facility to undertake evaluation of instrument transformers.
Electrical Research and Development Association
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Equipped with 400 kV standard voltage transformers with various ranges
CT & PT accuracy test setup with automated report generation
Infrastructure
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Major Facility at Instrument Transformer Laboratory
Type, Routine and Special Test on
- Voltage Transformers up to 400 kV voltage class, 0.1 accuracy class
- Current Transformers up to 10 kA, 0.1 accuracy class
Facility is backed by
- Short Circuit Test on 400 kV class CT up to 70 kA for 1 sec or 70 kA for 3 sec
- Partial discharge measurement up to 900kV
- Capacitance and Ten Delta measurement up to 600 kV
- Dry/Wet power frequency voltage withstand test up to 900 kV
- Measurement of radio interference voltage
- Ferro resonance test on capacitive voltage transformer
- Transient response analysis & Thermal stability test
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Voltage Transformers up to 400 kV voltage class, 0.1 accuracy class
Current Transformers up to 10 kA, 0.1 accuracy class