why do we have spikes enough to burn electronic boards, when generators are not grounded

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)

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What is servo motor and what are the applications of servo motor?

0 Answers   BARC,

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what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

0 Answers  

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what is the mean of short circuuit current ( for ex. 50KA)?

2 Answers   Weltech Engineering,

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How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

0 Answers  

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How much area a lightning arrestor can cover?

5 Answers  

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1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

5 Answers   BSNL, SSC,

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my project load is 6 MW so please suggest the size of cable.. ALU 3c 400 aqmm cable can be sufficient.. is there any thumb rule for calculation of cable size please help me

1 Answers  

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what happen if generator exitation lost?

7 Answers  

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why the electrolyte level in lead acid battery is maintained 2.5 cms above electrodes?

0 Answers  

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why is fan rotating slow speed, what is the problem?

4 Answers  

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