Vsually we measure linking groups of three phase transformer in alternatingcurrent method.
三相变压器联接组的测定通常采用交流法。
2
The controller case includes stepping motor, self-coupling voltage regulator, alternating-current contactor, relay and micro-transformer.
控制柜主要包括步进电机、自耦调压器、交流接触器、继电器以及微型互感器等。
3
The modified types will not be equipped with commutation transformer and the three-phase alternatingcurrent power supply directly acquires DC voltage through bridge type rectifier.