Answer / gunasekaran

if it is 3 phase motor it may be magnetosrictions.
if it is single phase motor torque is pulsating nature so
noise is comming

Answer / k.prakashchandra

If it is inside the starter , check for hold coil( 0 volt) and its accessories

Answer / felixraj

due to manetostriction

for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

0 Answers  

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why ups rated in kva

1 Answers   MRF,

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what is the difference between squirrel cage & slip ring induction motor by construction & working principle ?

1 Answers   Sail,

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in 3 phase induction motor resistance value is how much

1 Answers  

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What is the use of doing meggering for a cable

2 Answers  

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Relation between Sq.mm of wire and Its current carrying capacity?

5 Answers  

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What is the value of specific gravity in charged lead acid batteries.

11 Answers  

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what is 33 /11kv transformer bdv

8 Answers   NMDC, TPPL,

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why skin effect is decreases with decrease with frequency? why skin effect occur

5 Answers   Kirloskar,

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does the Trivector Meter of three phase automatically takes care of the low power factor and gives the reading accordigly or it does not take care of the Power factor while giving the readings please explain

0 Answers  

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what is dielectric heating

1 Answers  

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condition Autotrip facia come on control panel of electrical transmission line?

0 Answers   Getco,

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