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.
同时在控制电路设计上引入流量补偿反馈的恒功率控制，并分析了系统的工作原理及输出特性。
At the same time, constant power control of flow compensating feedback is adopted in the design of control circuit. Work principle and output characteristics of the system are analyzed.
恒功率输出特性避免高压钠灯在高于220v标准电压时会产生超亮度浪费。
Constant power output characteristics can avoid prodigality caused by super-brightness when voltage of high-voltage sodium lamp exceeds 220v.
应用推荐