该电路是指由一个电源，这就是为什么没有变压器，整流器，或者过滤器供电电容的示意图。

The circuit was meant to be powered by a power supply, which is why there is no transformer, rectifier, or filter capacitors on the schematic.

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系统采用软件方式实时计算交流传动系统的运行参数，包括变压器、四象限整流器、直流中间回路、逆变器、电机及负载。

Its software is designed to calculate the running parameters of the AC drive system, including transformer, quadrant rectifier, DC circuit, inverter, AC motor and train load.

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用变压器和整流器相配合直接得到很高的电压是困难的。

It is difficult to produce a very high voltage directly, by a combination of transformer and rectifier.

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