what safety use in electrical panel

3 Answers  

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anti pumping relay function

3 Answers   Hofincons,

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what is ground fault in ACB?

0 Answers  

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What is third harmonic?what is the effect of it?

0 Answers   GMR,

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BRIEFELY EXPLAIN MEGGAR PRINCIPLE

2 Answers  

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What are options used for earthing the switchgear.

0 Answers   KSEB, L&T, Siemens,

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Give me clear explanation.What is the Different Between Load break switch and Vacuum circuit breaker

1 Answers  

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what is LT & HT?

6 Answers  

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in case of OC+EF relay, how the burden is divided/calculated/shared by the CTs in case of normal (healthy condition) and during fault conditions.? three coils of OC & ef coil is conected in residual connection across the three CTS.

1 Answers  

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For R-L or R-C ckt,time constant formula is L/R and RC respectively and its unit is in sec.Pls tell me the derivation

0 Answers  

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how to claculate earth strip size for 1500kVA transformer for neutral and body

4 Answers  

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is dc shunt moter oprate on ac? if no why? if yes how?

8 Answers   IOCL, JJJ, Power Grid,

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