Distribution network locates at the end of power system. Due to its direct connection with users, the quality and ability of power is guaranteed by it.

配电网位于电力系统的末端，直接与用户相连，整个电力系统对用户的供电能力和供电质量最终都必须通过它来实现和保障。

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In this system, there is no signal line connection, only the power supply to the motherboard power connector.

在这个系统中，没有任何信号线的连接，只有电源到主板的电源连接。

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Symmetrical components method and its sequence network connection technique are conventional way on fault analysis of power system.

对称分量法及其序网联接技术是电力系统故障处理的传统方法。

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