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pilot wire protection is used for protecting long transmission line from fault just like diffrential protection

The MCB circuit breaker have a voltage rating of 440VAC it's possible to supply a voltage of 480Vac

1 Answers  

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Explain cos(theta) and Sin(theta)

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explain the operating principles of CVT & RVT

2 Answers  

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derive the formula of amp hours is calculated for 12v battery.where no. of plates is given

1 Answers  

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what are trouble functions of transformer?ex. prv trip,oltc,oti,wti.explain detail.

1 Answers  

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difference between diode and scr?

2 Answers  

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There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

4 Answers  

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For overhead protection we use which transformer?

0 Answers  

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hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

0 Answers  

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how calculate gd2 of ht motors

4 Answers   Hindustan Copper Limited, Kohler India,

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Is it possible we are step down 11 kv to 230v ?

2 Answers   Fedco,

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defination of static variable compensator

1 Answers  

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