why link is provided in neutral of an ac circuit and fuse in phase of ac circuit?

4 Answers  

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can we use the step down transformer to step up transformer

6 Answers  

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how to reduce the transformer size in ups ?

2 Answers  

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I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

1 Answers  

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what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send

0 Answers  

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what happens in the primary side of the transformer if transformer is short circuited first and increasing the resistance of the short circuit gradually?

3 Answers   Emerson, IIT,

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how much current carry a 3-1/2 core of 100mm size cable.explain it with solution

2 Answers   ACS,

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Describe Non I.S. Earth System and why is it used?

0 Answers   KPJV,

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what is difference between MCB & MCCB

1 Answers  

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How is the resonant peak, resonant frequency, and bandwidth determined from nichols chart?

0 Answers  

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what the purpose of protection signaling equipment in substation?

2 Answers  

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why the transformer primary and secondary windins vector groups vary? why it is something like Dy11 and not as Dy or Yy...

2 Answers  

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