所述三相多副边绕组变压器的原边直接或通过高压开关与三相电网的电压输出端相连；

The primary side of the three-phase secondary line winding transformer is directly connected with the voltage output end of the three phase network;

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所述三相多副边绕组变压器的原边直接或通过高压开关与三相电网的电压输出端相连；

The primary side of the three-phase secondary line winding transformer is directly connected with the voltage output end of the three phase network;

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