| 摘要 |
<p>PURPOSE: To improve the working efficiency for passing lead wires for three phases through the interior of a connecting tank for connecting tanks by passing the lead wires for connecting the tap windings of transformer windings of the respective phases and tap selectors through the interior of respective insulating tubes. CONSTITUTION: Windings 1 having tap windings for adjusting voltages are separated and contained in tanks 2 for respective single phase. Tap selectors 5 for three phases are separated and contained into the other tanks. In the inside of a connecting tank 3, wherein the tap winding of the transformer winding 1 in each phase and the tap selector 5 are connected, a lead wire 4 in the interior of the connecting tank 3 is made to pass through the interior of an insulating cylinder 13a, whose cross section has the irregularities. That is to say, the lead wire 4 in the connecting tank, which connects the tap winding of the transformer winding 1 and the tap selector 5, is contained in the insulating inner part. Thus, the workability is greatly improved, the reliability becomes high and the cost can be suppressed to the lower value.</p> |
