what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

1 Answers  

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What is the effect of atmospheric pressure & Temp; on efficiency of motor? Why NGR(Neutral Grounding Resistor) is used in 132/11 KV Transformer & how? What is the use of Auto T/F in Grid Station?

0 Answers   K-Electric Limited,

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will a fluorescent bulb work when dc is passed through it?? if not why??

4 Answers   TCS,

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what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?

0 Answers  

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what is the working principle of Brushed alternator ? without exictation how we can give dc supply to rotor ?

1 Answers  

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what are the sample questions asking to the test cunducting for electrical superwising lisence test?

0 Answers   APTransco,

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what is relay what is protection & contact multiplying relays where it is used function in brief

0 Answers  

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At what voltage domestic tubelight works?

2 Answers   Cigfil, L&T, MNC,

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what is the value will come when megger the phase to phase ,phase to neutral ,phasae to ground ?

3 Answers  

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how to combine two linear transformers...............

1 Answers  

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what is difference between fuse and breaker?

6 Answers   ABB,

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block diagram of 2 ups system connected in hot stand by mode?

0 Answers  

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