Answer / debananda lal

nothing will happened while VCB is closed, when any open/trip signals arise, Intrupter of VCB may explode.

How many types of protection relays are there based on the characteristic?

0 Answers  

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how to select size of hardware for linking aluminium busbar is it depend on area of busbar or current flowing through bus bar

0 Answers  

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What the full form of KVARs

2 Answers   Siyaram,

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if we use fuse in neutral what will happen?

9 Answers   L&T,

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which fault current is maximum: 3 phase short circuit, LG, LL or LLG?? why?? in one of the problems that i have solved, 3 phase short circuit current on an unloaded generator came out to be less than the LG fault current. can anybody please explain why.

2 Answers   Bhel,

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what is the working principale of air circuit breaker ?

5 Answers  

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Who is the first Bangladeshi Everest climber? Where is his home district?

0 Answers  

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why contactors are used ...? is contactors and relays are same ...?

5 Answers  

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How to dimensioning SDCCH, LAPD and CS7 signaling on GSM?

1 Answers  

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Tell me harmfull effects of over voltage,under voltage,spike,surge,transient & noise.

1 Answers  

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Dear All, In a 400V power system, ratio of three current transformers installed incoming switchgear is 4000/1. Maximum three phases short circuit current of this system is 48kA. One CT is installed on neutral of upstream transformer (6/0.42kV, solidly earthed) for 51G protection. Would you please inform me about the correct CT ratio of this current transformer (on neutral)?? Thanks a million

2 Answers  

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what is tha between elcb & rccb?

3 Answers   Essar,

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