求翻译：变压器并列运行条件是什么意思？

Transformer parallel operation conditions

transformer running conditions tied

The transformer copper loss refers to the loss which at the beginning of the secondary wire DC resistance creates, therefore only needs the transformer on to add on the nominal current then, the concrete operation is the secondary coil direct pipe nipple, adds the voltage on a side, amounts to until

Parallel operation of transformer condition

Parallel operation of transformer condition