In simply words(not explain any formula )what do you mean by power factor.?

5 Answers   DRDO,

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why D.C excitation is given to sunchronous motor?

6 Answers  

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Before i went to bed my master bathroom lights were working fine. At 2 am, when I went to use the lights, none of them were working. The outlets throughout the bathroom work, but the lights and fan above the toilet don't. I have two panels of switches. The one panel has four switches. One of the switches turns on the hall light, and that works. The other three are to other lights, and they don't. The other panel has three switches. One of those is to the fan, and the other is to a light above the toilet. The other is a to light that is also on that other panel. I tried the breakers, and the one that turns off the outlets, marked for the bathrooom, turns on and off the outlets. None seemed to be tripped. I checked the lightbulbs, and they are fine. Please help

2 Answers  

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i have one transformer 1000kva, 11/.433kv. we are using 200/5 amp. ct unit for measuring purpose, & one 800 amp. V.C.B Unit for the same t/f operate, i wants to known the primary current of T/F is only 53 amp. why we used 800 amp. V.C.B ? & 200/5 amp. CT Unit.

4 Answers  

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hi friends can u tell me name of the sites where i can get animation of electrical machines......

1 Answers  

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What happens if i apply 500V to 440V rotary Switch ?

0 Answers  

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What is the function of a pressure Switch in a Substation?

2 Answers  

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my b-tech percentage is 50%. what answer will satisfy the hr ?

0 Answers   Wipro,

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if we run a 3 phase machine on two phase what will happend??? given answer with solid reason please

0 Answers   Bhel,

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What do you mean by a voltage transformer?

0 Answers  

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what is value of Jin transformer

0 Answers  

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How to synchronization will be done between two DGs ?

0 Answers  

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