通过对火炮电控静压驱动系统的实测试验，获得了输出压力—流量曲线，验证了恒功率特性。

The output pressure-flow curve was obtained by testing the electronic control hydrostatic driving system, which confirmed the characteristic of constant power.

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质量，性能稳定，恒流驱动，超低功率。

Quality, stable performance, constant current drive, ultra low power.

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本文提出了电流型逆变器-感应电动机变频调速系统中电机驱动恒功率负载时，系统以最大效率运行的节能控制方式。

This paper proposes an energy saving control mode for current source inverter(CSI) induction motor drive system with the motor driving a constant power load.

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