When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??

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How to calculate VCB rating for 33KV ,25 MW Power line?

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What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?

0 Answers   XX,

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Stator of 3-phase IM has 3 slots per pole per phase. If supply frequency is 50 Hz, calculate the speed of rotating stator flux A 1000 rpm B 500 rpm C 1500 rpm D 1440 rpm

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I want to know the standards for earthing system as per IEC, BIS & IEEE.

2 Answers  

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i want prepare power grid exam what are book we want refer for electrical ?

5 Answers  

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mccb service sittings be done?

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How to increase solar cell efficiency ?

1 Answers  

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Slipring moter find external resistance

1 Answers  

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What is the difference between DOL starter and star delta starter

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There are 2 Flip_Flop with logic between them. Given Clock to Q delay, logic prop. delay, set up and hold times specify maximum clock frequency of system. What happens if second output fed back to first input. Any changes? What happens with timing if second output is fed back to logic between the flops? Good Luck!

1 Answers   Qualcomm,

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how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

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