Why Drives are used to run AC motors?

3 Answers  

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what is the problem occer in motor

5 Answers   IOCL,

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which one is rotating transformer-single phase induction motor or 3 phase squirrel cage motor?

1 Answers  

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Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

0 Answers  

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what is the difference between potential transformer and capacitive voltage transformer?

1 Answers  

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What is the Current equation in series RLC circuits.

0 Answers   ABB, Bhel,

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on which power factor synchronous motor run

2 Answers   Bhel,

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what is the spdt

1 Answers  

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What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

2 Answers  

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How much ampere can withstand for 2sq mm c able?

2 Answers  

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11kv = LT 440v , how many amp.supose 440v side 5000 amp curent drown

2 Answers   Motwane,

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How many kw will suply from one db

0 Answers  

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