WORKING PRINCIPLE OF VACCUM CKT BREAKER ?

2 Answers  

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What is GND Transformer?

2 Answers  

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I have 11KV/415V power distribution transformer. I have found unbalance current in LT (415V) side. Also observed that unbalance voltage (3V) at LV side due to HV side unbalance voltage. What should I check for this? Also, the same LV side load can run in balance on captive power.

1 Answers  

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what happan when ac power transmitted in unity power factor

12 Answers   JE, Maihar Cement,

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WHY MOSTLY BATTERY VOLTAGE IS IN MULIPLE OF 2 LIKE 2V,4V,8V,16V,18V....

2 Answers   Exide,

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what is Basic Engineering.,FEED and Detail Engineering with respect to Electrical Engineering.(Explain with Example)

1 Answers  

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What exactly is meant by harmonics and harmonic current?? and what is skewing with regard to this??

2 Answers  

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how much resistence in proper earthing?

5 Answers  

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

0 Answers   US Electrofused Minerals,

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what is HVDC, what are advantages over conventional system?

1 Answers  

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whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

0 Answers   DAE,

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What is the calculating formula for HT and LT amps in a transformer.

22 Answers   Cipla, K-Electric,

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