why should we place 9KV lightning arrestors in 11KV substation ?

9 Answers   DOL, ISRO, Matrix,

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what is star delta starter? how it works? give its control and power diagram.

0 Answers   Bhel, Point to Point Solution, Star Wire,

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how does ELR works? explain

0 Answers  

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what is the use of surge suppresser in 33 KV incoming panel. where it must be installed,inseries with incoming cable surge suppresser must be at incoming of the breaker are outgoing of the breaker

1 Answers   Siemens,

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What is the difference between "Earthing" and "Neutral"?

10 Answers   Power Grid,

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Formula to calculate amps rating when we are having only the width & thickness of the coppper ?

2 Answers   BEL,

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what is AVR? what is the function of AVR?

2 Answers  

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what is the full form of XLPE adn there use.

4 Answers   Voltas,

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what is parellel power factor correction?

2 Answers   HCL,

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what will happen if OLR CT in all phases are short circuted

0 Answers   Indfrag Limited,

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In DC motor,the field MMF is given by NI.N-no.of field winding turns,I-excitation and both are constant.Then how could the main flux decreases due to armature reaction.

4 Answers   Bhel, IBM,

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how to carried out tan delta test in 11 KV alternator ?

0 Answers  

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