改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
变压器的绕组之一，是连接到交流电源，第二个是给用电器提供电源。
One of the transformer windings is connected to a source of ac electric power , and the second transformer winging supplies electric power to loads .
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