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bonny
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29 years old
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INDIA
Born Aug-28-1981
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Joined: 3-August 07
Profile Views: 584*
Last Seen: 29th May 2010 - 02:17 PM
Local Time: Sep 7 2010, 10:49 PM
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11 Apr 2009
If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn?
Is this current will be the same as motor starting current?
29 Jul 2008
what are heating time constant & cooling time constant of induction motors.
14 Aug 2007
Sir,
I have a 4Pole,1.5 kW motor, FLC-3.4A, BMR Setting: 3A, Back up Fuse: 16A I have faced a problem of non-tripping of motor on unbalance current. Motor was taking unbalance current due to opening of Y-phase, but BMR didn't operate on unbalance and motor ran for more than 8 hours in this condition. We don't have any additional single phasing supervision relay. I think BMR should operate on unbalance. Am I right? If yes, then please tell me what is the operating range of a BMR on unbalance in terms of % of FLC.
3 Aug 2007
Sir,
In a contactor there are generally two readings 1) thermal current rating Ith, and 2) operational current rating what is the significance of thermal current rating , and which one is considered while selecting a contactor for a particular motor feeder. |
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26 Dec 2007 - 6:03
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Lo-Fi Version | Time is now: 7th September 2010 - 05:19 PM |
