what's the different between ELCB, ELR and ELS?

1 Answers   CP,

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what is anti-pumping relay and the significance of it in a switcgear cb control system?

1 Answers  

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DC transmission

0 Answers  

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how can get electrical "c" licence.i am complited in DEEE.PASSING YEAR OF 2010 I AM WORKING IN SPENCER PLAZA ELECTRICAL MAINTENANCE ,I AM DIPLOMA COMPLEATED IN ANDHRA PRADESH AND WORKING OF TN PLEASE HELP ME

1 Answers  

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why transformer rating is mentioned in kva?

1 Answers   JK Electric Works,

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What is triac?

3 Answers   NTPC,

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( Re: WHAT SHOULD BE THE RATING OF MCCB FOR 415V,3Ph,50KVAR CAPACITOR BANK Answer # 1 The capacitor current would be kvar x 1000 / (415 x sqrt3). This would be 70a approx. The MCCB selected should have *atleast 1.4 times this current i.e. 1.4 x 70= 98. So you should choose at least 100 A mccb.) regarding to this answer,i would like to know why the current have to times 1.4 to get the right amphere for the mccb.hows the formula to get the 1.4??tq

2 Answers  

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all types of electrical quations

1 Answers  

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how digital four pin earth resistance tester works

2 Answers  

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what is meant by generator differencial protection?

1 Answers  

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What will happen if v use DCP Type Fire Exingusher on a Server Chaisis???

1 Answers   Emerson,

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what is the use of the puls transformer in UPS & how it works???????????

0 Answers  

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