starting torque is increased and current is decreased by using external resistance in a slip ring induction motor. How??

3 Answers  

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what type questions asked in hp cl

0 Answers   HPCL,

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what is the difference between multimeter and megger?

3 Answers   Bhel, Metro,

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How to calculate voltage drop loss in HT 11000 Volts XLPE Aluminium conductor cable. Any specific formula or Thumb rule

2 Answers  

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why we use 3 phase in our country?..why no 4,5 or 2??

2 Answers   Siemens,

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What is thermal overload relay

2 Answers   Tech Mahindra,

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Resistance of low voltage side of transformer compared to high voltage side is A less B equal C more D depens on design

1 Answers  

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One of our gas turbine generator unit "1st stage rotor ground fault" alarm was occured several times. we tried to measure some voltage vulue ground fault protection relay (UNS3020a made by ABB and we measured the value of: Ground: 0.9VDC 5V: 5.8VDC 24V: 23VDC u+: 300 – 350mVAC Rf1: 17.5mVAC Rf2: 17.6mVAC The unit still running and the alarm was reset. As of 6pm yesterday and unitl now no alarm happened again. I our protection relay was defective?

1 Answers  

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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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what are the type of motors

3 Answers  

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why motor run slow speed in star connection?explain how?

3 Answers  

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WHAT MEANT BY SEVICE FOCTOR?

2 Answers  

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