Answer / k.prakashchandra

Trip circuit supervision is for supervision of trip circuit
for loss of DC supply,faults on trip coil or cables,faults
in auxiliary contacts and in itself, with breaker in any
position.Directional OCR acts for over current in one
direction only where non-directional acts for both the
directions

types of arc quenching methodes

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3 Answers  

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If breaker is undefined position, first step to do.

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what is the difference between Resin Cast CT and Oil cooled CT?

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what is NANO TECHNOLOGY?

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why voltage rating of transformers are in multiples of 1.1?

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i have one source transformer with the capacity of 50KVA, connected with two loads 10kw and second one is 15kw.. how can i calculate first load in KVA and second one in KVA .. because Kva rating, power factor rating of of transformer is different from the load… there must be some way to calculate load KVA rating and power factor….

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why only exciting current is shown not primary current in transformer???

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What is the use of starter in tube light fitting.how it works.

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