Commercial/Industrial Fabrication

Wilkins Electric Company Inc. Frankfort, Kentucky

 

During the summer of 1998, I built this classroom teaching board that is able to demonstrate motor control start/stop, floating ground, ground fault, unbalanced multi-phase loads, xformer configurations and other circuits. It is to be used by the company as a training aid.

(Autocad picture)
 
The input is from a five wire 480/277 volt wye system. The xformer bank is 480/277 wye to a 240/120 volt wild leg delta.
 
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