Answer / kishor

ampear

Answer / guest

ampare

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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why we create vaccume in transformer tank before oil filteration?

3 Answers   CG CoreEL,

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What happent when a AC motor(no break and starters ) stop and suddenly start . ? Starting current low or high?? Why?

1 Answers  

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Show formula which gives full load current 4.8 amps of a 3 HP motor and 27 amps of a 20 HP motor having 3 phase 460 volts, 0.8 Pf.

2 Answers  

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what is Wave Trap? And its Function ? Detail? Where it is Used?

7 Answers  

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at the time of starting back emf of a motor is zero.so how can it will start to run??

1 Answers  

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what is the use of conservator in a transformer?

6 Answers   L&T, TATA, Tata Motors,

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how to calculate the speed of a induction motor without using tacho meter?

6 Answers  

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what is the differencce inn series and cascade connection??

0 Answers  

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condider as 100 w lamps glowing . for completing a one unit how much time it should glow

3 Answers   Avalon,

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What Should be the value of Vector Surge angle at Tripping and how to calculate it?

0 Answers  

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List examples of voltage source?

0 Answers  

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