Answer / g.baladhandapani

For Numeric type relay differential settings should be 30%
AND HF will be 8 Times and other settings will be as per
the Relay mannual

What is the following which is printed on electrical appratuses like AC21 ,AC 23 , etc ?

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if ELCB and RCCB connected in series,what wiil be the result

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why the transformer ratings in kva or mva?

4 Answers  

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