Differentiate between Zero and Negative sequence current

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what is the importance of Partial Dischage test for Electrical Equipments

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Is 3C x 2.5 Sqmm Cable can withstand 40Amp Starting current? If Yes then specify your ans.

2 Answers   NTPC,

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2. What are the parameters of EHT sub-station?

1 Answers   APGenco, Blue Star, Enercon,

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what is induction relay

1 Answers  

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how diside ct mf exmp.200/5 ct

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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Dear All, Can anybody please tell me which value(saturated or unsaturated) of sub-transient reactance(Xd") we take for the calculation of fault current of the system?

2 Answers  

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what is wave trap? please explain the working and principle

4 Answers  

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Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

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explain safety measures in alternator?

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What are the Return ( Monthly / quarterly/ Annual submitted to Electical Inspector for an establishment (Factory in Maharashtra-- Small scale category having seperate HT line of 22KV ) as per Maharashtra Electricity Act

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