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GAURAV MAHURE
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Join Date: Aug 2011
Posts: 3

Connection Type in High Rating Three Phase Motors

08/07/2011 9:56 PM

In high rating three phase motors ,the stator winding are connected in isolated star.the stator winding is not connected in star with neutral point grounded. while in case of alternator, the stator winding is connected in star with neutral point ground. bascillay we use star connection with neutral point for taking the advantage of reduction in insulation cost.

second thing is that alternator's star pont is always resistively grounded and motor star pont is inductively grounded due to stbility point of view. but i want to know that why we connect high rating induction motors in star with neutral point isolated. what is the benifites of such type of connection?
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TonyS
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United Kingdom - Member - New Member

Join Date: Aug 2010
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#1

Re: Connection Type in High Rating Three Phase Motors

08/07/2011 11:18 PM

Try doing your own homework. It's the best way to learn.

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redfred
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Engineering Fields - Electrical Engineering - Been there, done that. Engineering Fields - Control Engineering - New Member

Join Date: Dec 2008
Location: Long Island NY
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#2
In reply to #1

Re: Connection Type in High Rating Three Phase Motors

08/07/2011 11:38 PM

He might even learn how to use a spell checker along the way.

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brich
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Join Date: Oct 2009
Location: sometimes Wales,UK.. was Libya, now Oman!
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#3

Re: Connection Type in High Rating Three Phase Motors

08/09/2011 1:31 AM

My Friend.. it is very obvious that is homework, and not explained very well, find someone to help you lay out your question, the find google or a good text book.. then come back if you don't understand.

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LAA_Lucke
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Join Date: Feb 2010
Posts: 1013
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#4

Re: Connection Type in High Rating Three Phase Motors

08/09/2011 4:00 AM

Also,This question was discussed before in this forum, and in detail. For your info.
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