what happens to current , when voltage drops .?

11 Answers  

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If we have 630kva step down transformer to operation 3 phase motor 150 kva which size of cable is used? at circuit breaker to 3 phase motor or to electrical board

1 Answers  

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why holding contact is not using in VCB and ACB breakers?

1 Answers   Cethar,

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In any plant or substation main incommer voltage RY - 415 V,YB - 400 V, BR - 387 V(in commer feed from transformer 11 Kv /0.415 KV) why found voltage differance in each phase? plant have not self power plant it is depend on outsource grid

2 Answers  

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what is the speed of current

4 Answers  

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How many types of protection relays are there based on the characteristic?

0 Answers  

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1.In two wattmeter method if one wattmeter shows Negative reading then wat is reason? 2.Wat is the reason for low voltage in houses? 3.Wat is meant by current and voltage? wat is difference between the two?

10 Answers   Engineering,

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what is the breakdown voltage value in BDV test in transformers?

6 Answers   Siva, TATA,

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Define cuttoff frequency?

0 Answers  

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when the supply of MSEB is cut off & all the load of the industry is driven on generator at that time the capacitor which is connected in industry for power factor control is switched off why?

1 Answers  

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how to increase or decrease speed in DC shunt motor by DC convertor

0 Answers  

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previous year paper of ntpc bhel for degree in electrical enng

0 Answers  

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