How the PF control while running DG set with load

0 Answers  

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why actual valve timing diagram is different than ideal valve timing digram of a 4 stroke engine?

0 Answers  

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Can we use a window type neutral CT instead of a bar type neutral CT. We have an issue with a neutral bar type CT of 800/1 ratio with a Circuit breaker NS800L shneider type, and we want to change it with a window type. Pls advise. Thanks

1 Answers  

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why always electric field is linked with magnetic field???

2 Answers   Bhushan Power Steel, NTPC, Tata Steel Limited,

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what will happen when square wave is fed into input side of 3kva transformer and what you will get on output side.

3 Answers   Blue Star,

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what is the use of earthing?

1 Answers   CPCL,

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What is the difference between an ELCB and a RCD?

2 Answers   Schneider,

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what will happen if a cw rotating altenator being synchronized to ccw rotating altenator

2 Answers  

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when generator short circuit condition, the current how dissipates. or at short circuit voltage not available then current how can flow?

0 Answers   Power Grid,

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following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?

0 Answers  

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Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?

2 Answers  

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Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

0 Answers   IOCL,

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