what are the difference between protection class CT and
Class PS CT
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Answer Posted / manoj
Both Protection class and class PS CTs are used in
protection circuits only. As someone mentioned earlier,
class PS CTs are special CTs used in all types of
Differential Protetion scemes. they generally come in pairs
and they are special in sense their turns ratios,
impedances, VA burdens, knee point etc all these critical
parameters are exactly matched with each other.
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