why multiplying factor is used in wattmeter???

1 Answers   Nippon,

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Is there any difference of regulation of transformer, alternator , transmission line, if yes, what is it?

1 Answers  

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

0 Answers  

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What is chopper

1 Answers   Enercon,

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If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

0 Answers  

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What can make the the overloads operate when a star delta three phase motor starts?

1 Answers  

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what are the problems that generally occur in power flows??

1 Answers  

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In what voltage EHT works(133/132/33/66kv?

3 Answers   Adhunik,

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what is the difference between H.T Or HV lines...?

1 Answers  

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How to determine the short circuit current for breakers and VCB.

1 Answers   Sabic,

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Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.

0 Answers  

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Why 11KV/440V distribution supply use for Domestic use?

3 Answers   Essar, Getco, Nissan,

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