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Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

0 Answers   MPSEB,

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what are the necessary basic electrical topics to learn for mechanical engineer to deal practical problems.

0 Answers   Honda,

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What happen Grid EARTH plat got cut.

0 Answers   Zuari,

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Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?

0 Answers   IOCL,

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Why we did not feel electric shock in electric train?

1 Answers   NTPC,

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What is GNR ? How much value of ground neutral resistance?

9 Answers  

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what is the difference between ground and neutral?

2 Answers  

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will a transformer work when pulsating dc id applied to its primary?? what will be the result??

2 Answers   cemp,

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what may the reason for vector shift in a generator?

0 Answers  

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IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.

3 Answers  

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what is bus coupler? and how many type? which one is big advantage ?

2 Answers   Essar,

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Why is back emf used for a DC motor? Highlight its significance.

0 Answers   ABB,

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