断相保护

  • 网络open-phase protection;Phase failure protection
断相保护断相保护
  1. 电动机远距离运行断相保护在实际工作中很重要。

    The open-phase protection in long-distance motor operation is very important in practice .

  2. 发电厂高压电动机断相保护的探讨

    On open-phase protection for HV motors in power plants

  3. 用可编程序控制器(PLC)与接触器实现了三相鼠笼型异步电动机的定子串电抗降压起动、正反向控制、短接制动和过载、断相保护,给出了PLC的I/O接线图和梯形图。

    With the programmable logical controller and contactor , the author achieves stepping-down voltage starting , obverse and reverse controlling , short circuit braking , overload and phase-break protection . Moreover , the I / O wiring graph and ladder-shape graph of PLC are drawed .

  4. 以负序电流为原则的电动机断相保护装置

    A Motor Open-phase Protector Based on the Principle of Nagative-sequence Current

  5. 三相异步电动机断相保护设计原理质疑

    Discussion on Loss of Phase Protection Design Theory for Three-phase Asynchronous Motor

  6. 织机节电控制和电动机断相保护电路

    Electricity Saving Control On Looms And Motor Protection Circuit Against Phase Breaking

  7. 谈谈几种简易的电动机断相保护

    Elementary discussion on several kinds of simple-easy break phase protection of motor

  8. 单稳态集成电子断相保护器的设计与调试

    Design and Adjustment of Monostable Integrated Electronic Open-phase Protector

  9. 电机断相保护电路的两种设计方法

    Tow designing methods of the cut - out protection of the electric ciruit

  10. 隔爆开关缺断相保护的研究

    Research of Open Phase Protection in Explosion - proof

  11. 一种新的电动机断相保护装置方案

    A New Open-phase Protection Device of Electric Motor

  12. 基于游梁式抽油机负载特性的算法实现与断相保护电路

    Algorithm realization based on the load characteristics of beam-pumping unit and phase-failure protection circuit

  13. 电动机群控断相保护装置

    Phase-failure Protective Devices for Groups of Transformer Fans

  14. 纺织电气断相保护的研究

    Phase Protecting in Electronic System for Textile Production

  15. 高灵敏度电气设备断相保护

    High Sensitive Phase Failure Protection of Electric Equipment

  16. 小型空气压缩机电机的断相保护

    The Phase-broken Protection of Small-scale Air Compressor Motor

  17. 电子式自动延时启动及断相保护装置

    Electronic Automatically Delayed Start and Open - Phase Protective Unit for Well Pumping Units

  18. 高压综合继电保护装置&断相保护电路设计与实现

    Multiple relay protection with high voltage ─── the design of phase cutout protective circuit

  19. 小容量三相异步电动机断相保护方法

    Phase Failure Protection for Small Threephase Asynchronous Motors

  20. 一种三相电机的断相保护装置。

    The utility model discloses a phase interruption protective device for three-phase electric motor .

  21. 异步电动机的断相保护

    Protection of asynchronous motors lack of phase

  22. 多功能电动机保护中不对称及断相保护模型的研究

    Study on the Model of Unbalance and Single Phase Broken in Multifunctional Protection of Motors

  23. 一种新的三相异步电动机断相保护方法&零序变压器作采样元件

    New Phase-Failure Protection for Three-Phase Induction Motor

  24. 三相交流电源自动调相及断相保护控制系统设计

    The design of automatic control system for phase order adjustment and phase-failure protection of three phase alternating current

  25. 本实用新型涉及一种断相保护装置,尤其涉及一种用于电气设备的断相保护器。

    The utility model relates to a phase-failure protection , especially relates to an open-phase protector used in the electrical equipment .

  26. 用断相保护继电器获取断相信号,据输出电压变化构成断相保护电路,实现保护。

    Short-phase relay obtains short-phase signal , short-phase protection circuit was formed according to change of output voltage to realize short-phase protection .

  27. 分析了煤矿井下小型隔爆电动机过载、断相保护存在的缺陷,提出了改进的保护方案。

    The existing defect of overload , open phase protection of minitype flameproof motor used in coal mine was analysed and its improved protection scheme was presented .

  28. 此断相保护装置可广泛应用于无缺相保护的电气设备中,使设备控制部件免于遭受断路故障的不必要的损坏。

    The phase-failure protection can be widely used in the electrical equipment without open-phase protection to make the control part free of the unnecessary damage of the open circuit failure .

  29. 介绍了一种船舶岸电断相保护和相序自动调整装置的原理和线路,对船舶接用岸电时的保护有实用意义。

    The principles And the circuit of a phase protection and phase order automatic adjustment device are introduced , they are of practical significance On protection when a ship is connected with shore power .

  30. 电动机保护装置采用热继电器已有很长的历史,但热继电器在电机的轻过载区存在着保护死区,而且对断相保护在许多情况下起不到保护作用。

    The protector of electromotor have used heat relay for a long time , but heat relay not only has a dead area in the light over-loading area , but also can 't protect open phase under so much circumstances .