windings in manufacturing
1. roll copper/aluminum wire to windings;
2.add insulation material in windings.
transformer in assembling
1.assemble transformer windings and core into a tank
2.fill inulation oil into tank
drying a set of windings
windings shall put into oven for 12 to 24 hours' long until to water free.
transformer tank in processing
cut iron sheet to make a transformer tank
indoor type VCB in assemble
set up interrupters, control circuit and trolleys