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Explain the Term in CT Name Plate – Class: 5Ps
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Answer Posted / sunil ulange
There are 2 types of CT's
1. Measuring purpose CT - Class 0.2, 0.1
2. protection Purpose CT- class PS, 5p10, 5P20
Class 0.2 - 0.2 Accurcy for meters.
Class PS- means Protection Purpose relays, breakers etc.
Class 5P10 - means 5% accuracy, P -protection, carry 10
times normal current
any Substation related questions ask me @ sunil_031@yahoo.com
Sunil Ulange
Project Engineer
Greenesol power Systems bangalore
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