• 控制通过监测电机定子电流大小,起动电流控制允许范围内

    Through the detection of the stator current, the control can confine the starting current within the allowable range.

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  • 对于电动机起动需要控制起动电流震动问题采用闭环控制方案,电流闭环控制和功率因数闭环控制

    As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.

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  • 实际运行结果表明控制装置起动电流可靠性高,实际运行情况良好

    The operation result on the spot shows that the control device works with small initial current good reliability and operating condition.

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  • 本文提出电流继电器控制绕线式异步电动机起动电路改进方法对改进电路优劣进行分析

    A method in the improvement of current relay controls winding asynchronous motor starting circuit is put forward, and the merit, demerit of it are described in the paper.

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  • 感应电动机起动特性进行了分析针对起动电流较大的问题,设计了一种起动模糊控制

    Considering the large startup current of induction motors, this paper presents a fuzzy control soft starting system.

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  • 起动控制方法不但有能效控制起动电流大小而且改善了BLD—CM开起动性能提高系统可靠性

    This method can not only control size of the starting current efficiently but also improve open-loop starting performance of BLDCM, so improve the reliability of the system.

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  • 根据VSC起动过程特点设计了VSC - HVDC系统模型起动控制避免起动过程的电流采用一定的限流措施

    According to the characteristics of VSC start-up process, the controller to start VSC-HVDC simulation model is designed. Some measures are used to avoid the over current in the simulation.

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  • 仿真结果表明起动控制可以有效地减小高压异步电动机起动电流,使电机平稳起动

    The results of the simulation proved that the soft starting control can effective reduce start current as high voltage induction motor start up directly and the motor could start up smoothly.

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  • 液压介质温度控制排气流程降低起动电流方面进行了改进。

    Its hydraulic medium temperature control, gas exhaust flow, starting current control and so on are improved.

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  • 本文研究三相感应电动机起动器,电路由三组反并联管构成。通过控制晶闸管触发,可降低三相感应电动机定子电压,从而达到抑制起动电流冲击的目的。

    The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.

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  • 交流调压电路进行了进一步研究利用起动电流信号作为反馈量,对三相感应电动机起动控制系统进行闭环控制

    Further study of Circuit exchange regulator presents, takes the starting current as feedback signal to complete closed-loop control of soft start control of the three-phase induction motor.

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  • 转换开关用于电流60A以下的电气线路中,作为电源引入开关,控制电动机起动变速停止换向等

    Inside installed selector switch, can be used in the circuit below60A as power lead-in switch, and the switch cab control motorstart, change speed, stop, and commutation.

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  • 采用控制有效解决电机起动过程产生冲击电流问题,避免了锤现象产生,使得水泵机组的运行安全平稳。

    Use of the controller gave an effective solution to the large shock current in starting of the motor, and avoided the occurrence of water

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  • 介绍单相电动机离心开关断开转速微机测试系统,该系统利用板机控制,以电动机起动电流作为开关断开信号。

    The paper introduced a microcomputer measuring system that takes measurement of the cen-triffugal switch breaking speed of single phase induction motor.

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  • 本文针对三相异步电动机起动电流较大问题,设计了一种起动模糊自适应控制

    Considering the large startup current of induction motors, this paper presents a fuzzy Aaptive control soft starting system.

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  • 本文针对三相异步电动机起动电流较大问题,设计了一种起动模糊自适应控制

    Considering the large startup current of induction motors, this paper presents a fuzzy Aaptive control soft starting system.

    youdao

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