What is the Polarisation index value ? (pi value)and simple definition of polarisation index ?

15 Answers   Essar,

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What is Isolation Current transformer and what purpose to use it in REF relay ?

1 Answers  

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How can we explain that what is the power factor?

5 Answers  

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In liquid rotor starter how PH valve should be maintained.

1 Answers  

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whether the generating voltage can be made to be transmitted by means of signals to the recieved end or at the consumers end?

6 Answers   TCS,

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How to calculate the current rating of power cables ?

1 Answers  

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What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

1 Answers  

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how to estimate wiring ins roughing ins. and boxes

0 Answers  

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During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

1 Answers  

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What are the different auxiliary protections of a transformer?

1 Answers   CESC,

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What is PLL? what are it's advantages?

1 Answers   BREB,

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What is the most accurate way of testing ELCB?ELCB is better than RCD?

0 Answers   GECO,

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