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damper windings are similar to unshorted squirrel cage
rotor. Current is induced in them by BLV and force is
generated by BIL which is used to damp out the unwanted
oscillations caused during hunting in synchronous m/c
is damper windng used in IM??
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Answer / gopal manda
Damper winding is use on the pole shoe of the field
winding,it is open circuited.the damper winding is also
called dammy coil is use for prevent the hunting(mechnical
vibration) in motor.
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Mention what are the different colors on wires indicates?
How the circuit breaker is selected for Induction motor of 100 kW, 415 volt, 0.85 power factor, 0.95 efficiency ?
why selected genration, transmission or any at 11kv, 132, 220, 220 or 440 voltage which is propotional to 11. why does not any for ex. 12 kv 13kv or any
what is the meaning and difference between ELECTRICAL DRAWOUT and MANUAL DRAWOUT?
Discuss about gear cutting machines.
We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.
if i have to use 14 kw what size of power cable can i use and size of earth cable also.
the parts of transformers ?
Lt trivector meter with ring type CT.Spec of meter are 3x240 v, -/5A. Ring ct spec. are 60/5A, line voltage- IL .66/3.0KV..what is the multiplying factor
how to decide the ratings of the MCCB,MCB in electrification.give me the proper thumb rule or procedure.
why in large rating C.T.s equipotential wires are used?
Dear all, I'm manikandan I have done by DIPLOMA EEE from 2011 , I have 5 years of experience from Power plant instrumentation field , which one field is give long life & which one field is best ,I confused a lot and also I'm studying AMIE, can I choose which department from Section B examination? pls tell me