why vaccum circuit breakers are preferred over m.o.c.b

2 Answers  

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Why effective AC resistance is more than DC resistance of a transmission line?

9 Answers   HCL, ONGC,

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why we remove capacitor connection in 3 ph Induction Motor while taking noload test.

7 Answers   Aditya Birla,

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how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

0 Answers  

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Earth Is a very good conductor or very good insulator.? If a good conductor then why current donot flow through small piece f earth and if a good insulator then why we use it as return path in lines.???

6 Answers   L&T,

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Why we use neutral cable just half from phase cable.Tell me briefly,please.

4 Answers  

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why low pressure side of the turbine is connected to the alternator and not the high pressure side??

1 Answers  

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why back up fuse used in vacuum magnetic contactor?

1 Answers   KNPC,

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how many types method in earth testing?

3 Answers   ONGC,

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State the methods of improving power factor?

0 Answers  

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how steam converted into electricity in power plant

4 Answers  

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What is delta stare switch?

1 Answers   Samsung,

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