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ronnykusnohardjo
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Join Date: Jan 2011
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Inquiry to Transformer Manufacturer

01/22/2011 4:57 PM

How do we write the inquiry to a transformer manufacturer for step up transformer with primary voltage 400V (delta connection) secondary voltage 20000V (star connection) at five o'clock. Shall we write Dyn5 or Ynd5. Thanks
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Tornado
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#1

Re: Inquiry to transformer manufacturer

01/22/2011 10:47 PM

I think this brief article answers your question: http://en.wikipedia.org/wiki/Vector_group

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ronnykusnohardjo
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#3
In reply to #1

Re: Inquiry to transformer manufacturer

01/23/2011 7:22 AM

Thanks Bro, it's very clear
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Andy Germany
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#2

Re: Inquiry to Transformer Manufacturer

01/23/2011 6:37 AM

Ask the manufacturer(s) for assistance, thats their job!!

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ankitgj
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#4

Re: Inquiry to Transformer Manufacturer

01/24/2011 10:45 AM

You can write 20000/400V Ynd5 OR 400/20000v Dyn5 whatever you like. You have to specify primary/secondary by the voltage level.
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