why we use post insulators in no ofstacks at substation for supporting equipment ? why we not use single post insulator

3 Answers  

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what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

0 Answers   Jindal,

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what is the diff.between neutral and earth?

4 Answers  

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What is difference between insulating medium and fault current interruption medium in a switching device.

0 Answers  

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What is a single phase autotransformer?

0 Answers  

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How Can You Relate Power Engineering With Electrical Engineering?

0 Answers   ABB,

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Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?

0 Answers   Kirloskar,

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Why tripping not occur when the transmission lines (11KV & above) breaks? Doesn't we provide earthfault protection for it?

1 Answers  

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Is there any other method of damping the oscillation in a synchronous motor other than using damper winding and if yes what is it?

2 Answers   IOCL,

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what is the differation bewreen kwh & fundamental kwh in electronic trivector meters

0 Answers  

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Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

0 Answers  

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what is the minimum voltage require to injure our body?

4 Answers  

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