Why we use two wattmeter during block rotor test and no load test of 3phase induction motor? And how can we understand the neat power requirement of from this test?

2 Answers  

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What is mathematical model of a control system?

0 Answers  

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Usage of flywheel diode in relays

0 Answers   Jindal, Voith,

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How many distance in distribution pole OR 33Kv line pole

2 Answers   Sail,

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what is the difference single phase and 3phase starter

1 Answers  

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How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter

2 Answers   GRB,

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what is ripple ??? what is harmonics ?

3 Answers   ABB,

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what is iron loss?

4 Answers   RRB,

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Are we do it in single transformer with dual primary as 11 KV and 33 KV and constant output as 415 Volts?.

1 Answers  

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Explain the working of any one cutting machine

0 Answers   Mahatma Gandhi University,

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plz explain TSM and PSM.with example suppose ct ratio is 4000/5 and tsm is .15 and plug is at 3.75 if fault current is 8000A.so how i find relay oprating time.

2 Answers   College School Exams Tests, ME,

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what is the use of neutral?

14 Answers   IOCL,

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