what is the formula for hv test for cable and circuit breaker..????

0 Answers  

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why we generate transmit and distribute electrical supply in multiple of 11

6 Answers   NHPC,

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i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

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why 5kW motor becomes unbalance if its relay trip 1st time and its set value is 7.0 A

0 Answers  

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what are corona losses

3 Answers   Siemens,

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What could be the problem if two power transformers trip on stand by earth fault at same time

1 Answers  

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What is the use of insulation tester and how it is to be used.

2 Answers  

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What is servo motor and what are the applications of servo motor?

0 Answers   BARC,

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Why the voltage n frequency of the incoming generator is kept slightly higher than d grid voltage n frequency while synchronization ?

4 Answers  

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why the name mho relay,despite the locus of circle is impedance?

1 Answers   KSEB,

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why earthing is not required on transformer prymary winding side ???

13 Answers   Genpact,

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How Much Capacity of Diesel Genset is suitable for 20 no.s of 1.5ton AC's & Why?(Load Calculation)

11 Answers   Lapis Technologies,

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