Abstract: : the substation is in power system voltage conversion, accept and electric power distribution, control and adjustment to the current voltage power facilities.

摘要：变电站是电力系统中转换电压、接受和分配电能、控制电流走向和调整电压的电力设施。

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This paper introduces the automatic range conversion circuit of voltage, current and resistance normalized measure and the working process of software.

介绍将电压、电流、电阻归一化测量的自动量程转换电路及主要软件流程。

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Owing to the connection of the main current path and the gate driving path in discrete form, the influence of parasitic inductance can be reduced and voltage conversion efficiency can be improved.

由于以分 立的形式连接主电流通路和栅极驱动通路，因此可以减小寄生电感的 影响，并提高电压变换效率。

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