Answer / vinoth

3P used for residual protection, to protect against fault occur between any phase to ground(or)neutral ...

what is the difference in MCB, MCCB, RCCB, ELCB, & MPCB (motor protection circuit bracker)

12 Answers   Afcons, Bhel, CIHSR, DCS, IOCL, L&T, Lupin, Siemens,

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In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

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How to check the efficiency of the generator , air compressors.

1 Answers   CIL,

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if u have single phase load (un balance) and the main power cable is 3.5core means netural is .5 of phase and can the three phase current make the return paht in .5 neutral.

1 Answers  

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is synchrnous pannel is need for two eqal rating transformers to run in parallel

1 Answers  

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what is the calculation of current when a clampmeter is attached to two phases of any drives.

3 Answers   ABB,

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What is resolver and glass scale in CNC how they work?

0 Answers  

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what is the kva rating of 20 kv transformer?

1 Answers  

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why surge protectetor work explain with the help of circut diagram?

0 Answers  

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whats happen if we disconnect the NGR of alternator in running condition?. Generally we observed that transformer netrul is directly grounded but alternator connected with NGR, then ground?

1 Answers  

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If the 11 KV supply is fail. what will happened with it's breaker if it is supplay to the 11KV motor?

3 Answers  

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Please provide me detail cable voltage drop calculation

1 Answers  

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