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What types of testing in 11Kv Ht switchgeat during testing?
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Answer Posted / mriganka das
Transformer:
1)IR Test
2)Magnetising Current Test
3)Magnetic Core Balance Test
4)Vector Group Test
5)Ratio Test
6)Polarity Test
7)Oil Test (DGA,Dielectric Strength,Moisture content)
8)RLA test (Dirana, Thuran)
Current Transformer :
1) Ratio Test
2) IR Value Tset
3) Polarity Test
4) Knee Voltage Check
5) Winding Resistance Test
6) Back to Back Test
7) Tan Delta Test
8) High Voltage Test
Breacker Test:
1) IR Value Tset
2) Contact Resistance Test
3) Closing Tripping Timing Test
4) High Voltage Test
Isolator Test:
1) IR Value Tset
2) Contact Resistance Test
3) Closing Tripping Timing Test
4) High Voltage Test
5) Hot point Check ( in running condition)
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