Answer / suresh modi

Suddenly Increase current

A 3 phase motor, 440 voltage, induction motor. If we take out rotor from motor and if we give supply 440 volt to stator then what happens?????

20 Answers  

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What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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Why most of analog o/p devices having o/p range 4 to 20 mA and not 0 to 20 mA ?

2 Answers  

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if current required for triggering thyristor at -30 degrees(temp) is 80 mA, what is the current required at 60 degrees

1 Answers  

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by using pump duty, how we will can calculate the motor duty(KW)? is there any standard or formula.

0 Answers   HP,

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If i have 200 test cases and we have to execute but we don't have time to execute all testcases.within 1 hour we have to execute that testcases and prepare the test report.so how i have to resolve this problem? is there is any technique in the testing.

3 Answers   Stag Computers,

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how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

0 Answers   ABB, Visa,

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how  do you choose the cable size as per amps rating & the voltage drop for the same.

0 Answers   C&W,

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what is the diffrence between capasitor and battery?

2 Answers  

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what is difference between elr and R eartl realy.

0 Answers  

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how actually an anti pumping device works? what is the operational principal?

2 Answers  

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want happens when a dc is given to a commutator

2 Answers  

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