WHY IS THE EARTH FAULT CURRENT ALWAYS LESS THAN THE NORMAL CURRENT??

7 Answers   Reliance,

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We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

0 Answers  

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How to select circuit breakers rating eg. if i select a circuit breakers of capacity 40 amps DC with operating voltage 28 volts and if i what to use same circuit breakers for 300 Volts DC application what is the current rating of this circuit breakers.

0 Answers  

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what do u mean by bus bar?

6 Answers  

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What is difference between earth leakage relay and restricted earth fault relay ?

22 Answers  

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What is the difference between a Junction Box and a Marshalling Box?

8 Answers  

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IN dc capacitive reactance is??

0 Answers  

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whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

0 Answers   DAE,

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What conditions are required for a transformer to operate at low frequencies ?

1 Answers  

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Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

0 Answers  

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we have total 1000hp motors we paid 7 laks rupees how to reduce power bill

4 Answers  

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What is online and offline ups? how does it works?

0 Answers   Call Centre,

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