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 are the names and size of various conductors used in transmission lines

1 Answers   NTPC, Power Grid,

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What is systematic error?

0 Answers  

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How to operate a ac chilar plant?

0 Answers  

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What motor is used in ceiling fans and what motor is used in table fan.? why table fan is costlier than ceiling fan?

6 Answers   Bhel,

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Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

0 Answers  

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any earth foult trip the relay but in welding time not trip by earth foult

0 Answers   Power Grid, Siemens,

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What size cable is used for HT cable to the transformer of 630kVA, and the supply voltage is 11kV

2 Answers  

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Why 3 over-current and 1 earth fault relay is used on primary side of transformer? Why 2 over-current and 1 earth fault relay in used on secondary side of transformer?

1 Answers   Adani,

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Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

0 Answers   Impulse,

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why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 Answers   Qatar Gas,

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Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.

0 Answers   DAE,

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