Answer / k.prakashchandra

Bus coupler - buses are in parallel , Bus section - in series

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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if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

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what is the difference between b c d curves on mcb

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What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

0 Answers   JKN Limited,

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what is need of air gap in expansion section in busbar?

3 Answers  

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why vector group is ued

2 Answers  

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What is the difference between voltages or potential difference? And what are they?

0 Answers  

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what is over frequency protection

1 Answers  

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role of europe union in UK safety legistlation (electrical safety)

0 Answers  

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working principle of current sensing relay? how its work?

1 Answers  

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Why we need to carry out knee point voltage test of current transformer ?

1 Answers   Power Grid,

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Double Busbar Scheme for outdoor switch yard system (132kv) step up power plant Hi friends 1. in this system both busbars energized all the time. 2. what is the meaning of main BB and transfer BB, 3. step up transformer connect main bus bar all the time or both BB connected through DS switch . 4.bus sectionalization means ? thank you.

1 Answers   ABC, Gael,

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