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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本文以舟山HVDC系统实际情况为例，探讨了逆变侧如何实现频率调节以及和整流、逆变两侧其它调节器在运行方式上如何配合。

Taking Zhoushan HVDC system as an example, the paper discusses how to realize frequency adjusting in an inverter and how the converter cooperates with the inverter in the operating mode.

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