Answer / rajiv mahajan

single phase preventer, over load relay, mpcb, mcb

Answer / d.kapil

and thermocouple

Answer / srinivasan

Earth is main safety homan & motor.

what is vch ?

1 Answers   CTS,

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What happens if there is no nuetral in the power system?

5 Answers  

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what is the VVVFD and?

4 Answers  

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how can we calculate the ampacity of the electrical wire/cable. and what are the factors must be considered. pls. elaborate.

0 Answers   Webel,

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What is mean by Power factor

5 Answers   Fenner,

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how do i calc busbar size for a rated current?

1 Answers  

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Why do power lines not short out when they fall into water?

0 Answers  

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in non technical way how can u define POWER FACTOR??

0 Answers  

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When will you multiply and devide with derating factors to the actual value while sizing the cable?

0 Answers  

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What are the applications of autotransformers?

0 Answers  

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Describe kW and kva and difference between

4 Answers   BTM,

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For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

0 Answers   Hormozgan Steel,

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