I want to know the standards for earthing system as per IEC, BIS & IEEE.

2 Answers  

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why the substation require din electrical system?

1 Answers  

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types of motor starter

5 Answers  

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How to reduce -234126219.6403 MVAr generation and by what?

0 Answers  

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we have one ups its neutral is not earthed.its one distribution MCB has a earth fault.but we can not put off any MCB.so how to find out that in which circuit is earthed without isolating the breaker.

3 Answers   CFCL,

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what is a,b,c,d checks diesel generator?

1 Answers   AFMC,

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What is CRT (Contact Resistance Test) for Isolators or Dis- connector Switches? Why we performed it & whats the Testing procedure.

1 Answers   Siemens,

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why the check zone and main zone are used for Busbar Protn. scheem?

0 Answers  

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11 kv metering is done in my factory.Meter show PF 1.000 but kvarh lag&lead show 24&94 respectively & Avg.PF is .956 .? is what i do for inproove my PF to 1.000

3 Answers  

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What are marginally stable systems?

0 Answers  

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In underground cables,we have a grading method called 'capacitance grading'.Why is it called 'capacitance grading' although we do not use any capacitor in it?

1 Answers  

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what is the earth resistance ?

5 Answers   Bhel, Cummins,

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