15hp,380v,31amp,3-ph submersible motor run at 250v what is The temperature rise of submersible motor

1 Answers  

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how can testing using megger?

1 Answers  

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present we are having 0.8pf but I want increase it up to 0.99 so what is the formula for it and how can i calculate?

3 Answers   ABB,

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what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 Answers   ABB,

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What is differance between alternator and generator?

4 Answers   IOCL,

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why we earth only one side of a power cable. And which side is advisable to earth.

1 Answers  

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What is the difference between AC and DC injection methods for rotor earth fault protection

0 Answers   Asian Alliance Insurance, NBVL,

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What is the relation between frequency and motor rpm?

0 Answers  

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Why power factor should not be in leading (capacitive) mode of any load.

3 Answers   GE,

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what are fluorescent lamps (fluorescent fixtures) & what are incandescen lamps (incandescents fixtures) ? differences between these two ?

1 Answers  

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give me atleast four differences between circuit and network

0 Answers  

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How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

1 Answers   S V Sugar,

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