4 Dyn11 Transformer nameplate, what does 4 stand for??
4 Dyn11 Transformer nameplate, what does 4 stand for??
(OP)
4 Dyn11 Transformer nameplate, what does 4 stand for??
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4 Dyn11 Transformer nameplate, what does 4 stand for??
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4 Dyn11 Transformer nameplate, what does 4 stand for??4 Dyn11 Transformer nameplate, what does 4 stand for??(OP)
4 Dyn11 Transformer nameplate, what does 4 stand for??
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RE: 4 Dyn11 Transformer nameplate, what does 4 stand for??
RE: 4 Dyn11 Transformer nameplate, what does 4 stand for??
Group 1(1)-zero degrees, clock hour number 0.
Group 11(2)- 180 degrees displacement, clock hour number 6.
Group 111(3)- minus 30 degrees disp., clock hour 1.
Group 1V(4)- plus 30 degrees, clock hour 11.
Here's an excellent resource.
J&P Transformer Book-A Practical Technology of the Power Transformer,Butterworth,numerous editions~$150.