• The control scheme for multi pump operation is thus improved, which changes pump frequency and controls pump operation according to water consumption.

    改进了多台水泵控制方式根据系统用水量改变水泵频率从而控制水泵的运行情况。

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  • The applied plan is introduced of frequency control system by the microcomputer for constant -pressure water supply to circulating pump stations, and the system is analysed.

    介绍了微机控制变频供水系统循环泵站中的应用方案系统进行了分析。

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  • Briefly introduce the electricity control principle for the oxygen pump frequency converter of the air separation unit (ASU) in the coal water slurry gasification.

    简单介绍水煤浆装置空分变频器电气控制原理

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  • The frequency converter for oil transfer pump and multistage control for electrohydraulic valve are used to prevent water hammer in oil pipe, and improve the efficiency and safety in oil transmission.

    油泵采用变频器进行调控结合的多段控制避免输油管路产生提高输油作业的工作效率安全性。

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  • It can be used in pipe installation buffer type check valve or pump motor use frequency converter and method of soft starter control to reduce the water hammer effect.

    可以采用管道安装缓冲逆止或者水泵电机使用变频器启动器控制方法减少效应

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  • In the meantime, frequency convertation control water pump and balance valves, regulate valves are necessary and important equipments in system.

    同时变频调速水泵平衡调节阀系统必不可少的重要设备

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  • The condenser pump frequency conversion revolution plays a key role in the condensed water system automatic control loop.

    凝结变频改造对凝结水系统中的自动控制系统影响很大。

    youdao

  • The condenser pump frequency conversion revolution plays a key role in the condensed water system automatic control loop.

    凝结变频改造对凝结水系统中的自动控制系统影响很大。

    youdao

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