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Jakes
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Joined: 25-December 08
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Last Seen: 25th December 2008 - 07:23 PM
Local Time: Sep 3 2010, 04:53 PM
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Jakes

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25 Dec 2008
I am in the Electrical training field and motors are run at no load. I have noticed that whether the three phase auto transformer star is open or closed makes no difference. Can somebody please give me the reason why the star point must be closed during start up?
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