Answer / mohd arif

just to produdce constant magnetic field. since the
alternator does not generates emf by applying the ac supply.

Answer / guest

excitation

what are the accessories need to be added while doing estimation for the following: 1.MCCB 2.MCB 3.ACB

0 Answers  

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If we have a 2000kva load,How much kvar capacitors we go to add to improve the power factor at 0.9?pls give the calculation and fully theory?

2 Answers   ABB, Unitech,

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In case of generator when we consume more power produces by it why load on generator increase and starts sound more. and how it is adjusted..

0 Answers  

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Why -48V dc power supply using in telecom field?

7 Answers   APC, Cisco,

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Three phase power is measured with two wattmeeter for balance three phase load.the reading of one wattmeter is zero.we can conclude that the power factor of balance load is?

1 Answers  

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why dc supply is not applied for step up or down in transformer

3 Answers  

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What is IPXX?

2 Answers  

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what is the function of Moulded case circuit breaker, why it is called Moulded?

0 Answers  

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WORKING PRINCIPLE OF HALOGEN LAMP & MEQUERY LAMP

1 Answers  

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How can calculate the daily electrical consumption of 7.5 HP motor, if the moter runs 24 hrs continiously. Also have to know about 3.5 hp chiller.

0 Answers   Wipro,

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what is the working principle of electrical motors?

4 Answers  

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how current rating of l.t cable is find

2 Answers   GAIL,

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