in which direction real power and reactive power flow and why???????

3 Answers  

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what is the difference b/w low voltage motors & medium voltage motors

1 Answers  

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The iron loss in a 100kva transformer is 1 kw and full load copper losses are 2 kw, then what is maximum efficiency occure at a load?

3 Answers   MPSC,

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When we need up only in o/p 440v, so why we use directly in 11kva in input?

0 Answers   Lupin, Medhaj Techno Concept,

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what happens if we give 1-ph supply for 3-ph Bridge rectifier...??

2 Answers   Sanelec,

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HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

0 Answers  

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Motor running trough VFD, if voltage reduced speed will be?

4 Answers  

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why star point of HT motor not earthed?

0 Answers  

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The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

0 Answers  

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What is Instantaneous Earth fault relay,how will work

0 Answers  

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i have a roll dia aprox.43 inches and gear box ratio is 14.3.so my question is how was decide the kw rating of motor.

1 Answers  

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a starter used for squirrel cage induction motor?

0 Answers  

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