we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

3 Answers   CFCL,

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What happen if field ckt is open when a sailent pole alternator connected to infinite bus

3 Answers   Bhel, Nilkamal,

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it is clear that volts equal to the current as per ohms law. is it appliable to the AC power or only for DC. if it is appliacable to AC in transformers when voltage increases the voltage decreases ????? why??????????????

13 Answers   Bhel,

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How to put breaker in service / test position.

1 Answers   KSEB, L&T, Siemens,

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how to set earth fault relay

1 Answers  

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can i connect wavetrap in 2 different phase in EHV line?

0 Answers  

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How to get Electrical Supervisory Licence in chennai Tamil Nadu from TNEB. I am BE EEE graduate.

1 Answers  

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what is the basic difference between synchronous motor,synchronous generator and induction motor

7 Answers   NHPC, NTPC, Sail,

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What are chief characteristics of state-space method and its techniques ?

0 Answers   Limton,

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active elements are those which are capable of

2 Answers  

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Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

0 Answers  

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How many types of timer ?which timer are used star delta feeder

1 Answers   BMM Ispat,

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