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#49452 - 03/07/05 05:07 PM V.F.D. Isolation Transformers& Line Reactors  
Yoopersup  Offline
Member
Joined: Mar 2003
Posts: 822
Michigan
Anyone have much experience with either of theses, With V.F.D.s


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#49453 - 03/07/05 06:48 PM Re: V.F.D. Isolation Transformers& Line Reactors  
Ron  Offline
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Joined: Mar 2002
Posts: 582
White Plains, NY
Generally used to reduce upstream harmonics.


Ron

#49454 - 03/07/05 09:15 PM Re: V.F.D. Isolation Transformers& Line Reactors  
Redsy  Offline
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Joined: Mar 2001
Posts: 2,056
Bucks County PA


#49455 - 03/08/05 10:30 AM Re: V.F.D. Isolation Transformers& Line Reactors  
JBD  Offline
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Joined: Jul 2001
Posts: 599
WI, USA
Good information at the manufacturer's sites TCI and MTE .

Except for public school jobs where the engineers don't know any better, I almost never see them on the front end of current generation VFDs. I don't know of a single industry in this area that routinely installs them as a preventative measure without doing a power quality study first.

Load reactors are still common, though.



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