Answer / nishad

My question is Why Earthing is not required in Xformer
primary star point of Star / Star connection????

Answer / k.prakashchandra

Eatrthing primary neutral of star/star Tr at the receiving
end is of no use for protection and safety . At sending end
neutral is earthed and it is sufficient.

what is difference between start imitation and start interlock for 3 phase motor protection ?

2 Answers   OPS,

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whycircuit breaker is not connected at the generator end where the capacity of the generator is more say 60MW, 100MW etc.

2 Answers   Adani, Adani Power,

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fog produced due to?

2 Answers   MAHINDRA,

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Why to keep capacitor bank off while generator running.

0 Answers   GIT,

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how will you find out the fuse failure by remote operation?

1 Answers  

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Usage of flywheel diode in relays

0 Answers   Jindal, Voith,

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why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

0 Answers   Alstom,

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how can i find ct ratio of meter by seeing name plate of meter and how it should be used in MF calculation if it shows only-/1???

0 Answers   Harshal Electrical,

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as per standards how many neutral earthings and body earthings are needed.please help me

2 Answers  

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what is busbar. how many types of starter.what appartus will be used to improve voltage.what is the function of starter.what is b.h.p.what material is used for earthing.

1 Answers  

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What will happen if 2 phase supply is given to 3 phase motor?

4 Answers   ABC,

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How to calculate loses in transformer of 160 KVA ?

0 Answers   IDV,

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