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koshy.dennis
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Join Date: Jun 2007
Location: dubai,UAE
Posts: 43
Good Answers: 1

STARTERS

11/27/2007 1:06 AM

can anyone tel me abt starters,DIFFERENCES and its types?
specifically autotransformer starter and slip ring?

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nesubra
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Join Date: Nov 2006
Posts: 729
Good Answers: 2
#1

Re: STARTERS

11/27/2007 11:56 AM

Refer any good text book on electrical machines.

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JRaef
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United States - Member - New Member Engineering Fields - Power Engineering - New Member

Join Date: Sep 2006
Location: California, USA, where the Godless live next door to God.
Posts: 4665
Good Answers: 804
#2

Re: STARTERS

11/28/2007 1:11 AM

Autotransformer starting refers to the use of non-isolated single winding transformers in motor starter circuits to reduce the motor terminal voltage temporarily during starting as a way to reduce the starting current surge that happens when you first energize an AC induction motor.

"Slip ring" has nothing to do with starters, that has to do with motors. Slip ring motors can be either Wound Rotor Induction Motors (WRIM), or Synchronous motors. Either type will always need a starter.

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cateng
Active Contributor

Join Date: May 2007
Posts: 12
#3

Re: STARTERS

11/30/2007 9:01 AM

A "slip ring" can also be contacts used on rotating equipment.

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