excitation limit of an excitor

0 Answers  

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how to read idmt curva

0 Answers  

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DEAR ALL I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm but new local pwer is 220v 60 hz requierd rpm should be 1000 pleas what the beast solution is used frequncy converter or rewinding all motos or chang all motors thanks

6 Answers   GE,

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What is done to avoid interference of high frequency transmission lines with communication lines??

4 Answers  

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What is harmonics. How does it get generated and means to arrest harmonics

8 Answers   Airtel,

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What is “pu” in ee?

0 Answers  

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What is an automatic controller?

0 Answers  

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What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

2 Answers  

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what is first pole to clear factor

1 Answers  

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how to calculate the no load current in transformer?

0 Answers  

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what is the difference between energy efficient and high efficiency motors

2 Answers  

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3.The slip of an IM UNDER FL condition is about.....

1 Answers   SSC,

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