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Anonymous Poster #1

RMU or Ring Man Circuit

03/09/2011 12:05 PM

My co. have four 11/433 KV sub stations of different source of incoming and now i want to make inter connection between them ie i want to make ringman circuit between them. from one of them i want to take tapping from one of them and that sub station have OCBs and now i want to take VCB for tapping or RMU for ringman so please suggest me something best for this.
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lyn
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#1

Re: RMU or Ring Man Circuit

03/09/2011 3:07 PM

"please suggest me something best for this."

Hire a competent electrical contractor. Have him do the work. Do not attempt this yourself. See below what probably will happen.↓
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Doorman
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#3
In reply to #1

Re: RMU or Ring Man Circuit

03/09/2011 3:33 PM

This would have been a good image for the guy who wants to liquify his own natural gas. That just has 'Bad Idea' written all over it.

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lyn
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#4
In reply to #3

Re: RMU or Ring Man Circuit

03/09/2011 4:09 PM

That would be a bleve.

Boiling liquid expanding vapor explosion.
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ashokasj
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#8
In reply to #1

Re: RMU or Ring Man Circuit

03/10/2011 12:23 AM

super..

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PWSlack
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#9
In reply to #1

Re: RMU or Ring Man Circuit

03/11/2011 8:44 AM

More like

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TonyS
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#2

Re: RMU or Ring Man Circuit

03/09/2011 3:14 PM

If your using OCB's most manufactures will be able to supply VCB extension panels. I've installed new panels by the same manufacturer and even been able to swap the trucks.

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Tornado
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#5

Re: RMU or Ring Man Circuit

03/09/2011 5:01 PM

How would they be synchronized?

(Ring main rather than ringman.)

Maybe we also need some arc flash pictures?

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TonyS
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#6

Re: RMU or Ring Man Circuit

03/09/2011 10:15 PM

Can one feed supply all 4 transformers?

If it is possible then no problem, if not then you may have problems with circulating currents.

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Tornado
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#7
In reply to #6

Re: RMU or Ring Man Circuit

03/09/2011 10:18 PM

Caveat: same or compatible vector group(s)?

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ashokasj (1); Doorman (1); lyn (2); PWSlack (1); TonyS (2); Tornado (2)

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