Applying variable pressure difference control can reduce throttle loss and achieve better energy-saving effect.

采用变压差控制可减少阀门的节流损失，具有更好的节能效果。

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In the light of the pickup current of a submersible electric pump being too large when started at full pressure, a new variable frequency control system is developed.

针对电动潜油泵工频全压启动时存在启动电流过大等诸多问题，开发出新型电动潜油泵变频控制系统。

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Variable displacement pump's control style has many ways, such as constant pressure, constant fluid, constant power, electrohydraulic proportional and load-sensing etc.

变量泵的控制方式有恒压力、恒流量、恒功率、电液比例和负荷敏感控制等。

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