For Synchronisation of DG Sets Sometimes we people use NIC (Neutral Isolation Contactor) Instead of 4-pole ACB or any switchgerar..Please guide me why is it so????

4 Answers   Piramal Glass Limited,

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why write 500v on line tester (Test pen)

3 Answers  

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How the Oil Surge Relay works? How it protect the OLTC?

3 Answers   JSL,

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WHAT IS LINIER MOTOR?

4 Answers   BSNL, wbsedcl,

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Why is it not possible to operate a star-delta transformer in parallel with delta-delta transformer?

1 Answers  

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What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

0 Answers   Jindal,

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if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?

0 Answers   Sail,

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What is the difference between surge arrestor and surge capacitor?

2 Answers   Shreem Electric Ltd,

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why generator is design for lagging P.F(power factor)?

3 Answers   BSES,

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how 650 volts creates? where is use?

0 Answers   DCL,

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what is V0/V rating of cable

1 Answers  

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Why short ckt does not happen when solenoid coil connected to supply. as its a wire only.

1 Answers   Siemens,

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