Reco manufactures PT's with Low Resistance and Reactance Drop . We Use best quality of Electrical Steel which enable operations at optimal levels of magnetic induction thus reducing size and cost of PT's.
l Metering Class PT's ( Accuracy Class 0.2 to 3 )
l Protection Class PT's ( Accuracy Class 3P , 6P )
Applicable Standards :
Indian Standard : IS 3156, 1992.
International Electro Technical Commission : IEC 066044-2, 2003.
Typical PT Ordering Specification:
- Rated Ratio : 415/ ν3 / 110/ ν3 Volts
- No of Secondary Windings : 1
- Rated Burden : 100VA
- Operating Frequency : 50 Hz / 60 Hz
- Type : Metering / Protection.
- Accuracy Class : 0.1 / 3P
- Voltage Factor : 1.2 Continuous for 30 Sec.
- Voltage Class : 0.66 KV.
- Earthing Condition : Solidly Grounded System .
- Insulation Level : 0.66 / 3.0 KV .
Routine Test Carried out on PT's :
- Determination of error as per class of accuracy .
- High voltage Power Frequency Withstand
- Test on Primary and Secondary Windings.
- Verification of Terminal Markings.
- Induced High Voltage Test.
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