how to remover corona effect and hysteresis losses from contactor

0 Answers  

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What are the tests to be taken on a transformer and generator?

12 Answers   Honeywell,

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WORKING PRINCIPLE OF HALOGEN LAMP & MEQUERY LAMP

1 Answers  

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2 t/f operating in parallel will share the load according 2 their- a)leakage reactance,b)pu impedence,c)efficiency,d) rating.

1 Answers  

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oil sample dielectric test gives the insulation rupture voltage at 26 kv. is this transformer safe to be operated . The working voltage is 11 kv

2 Answers  

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In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

0 Answers  

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how to calculate single phase motor efficiency ?

0 Answers   Bhel,

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is there any phase difference occurs while primary and secondary side mutual induction occurs?

0 Answers  

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why we use star connection in HT motor? and delta connection in LT motor

2 Answers   npcc,

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what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

0 Answers  

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what is the maximum demand how it is defined

1 Answers  

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Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??

2 Answers  

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