通过对真空断路器操作过电压成因的阐述，探讨小水电领域内常用的过电压保护设备。
This paper presents the reasons leading to switch overvoltage for vacuum circuit breaker, and then discusses the usual overvoltage protection device in the small hydropower station.
结合大型电厂开展设备优化检修的需求，对真空断路器状态监测与诊断系统进行了研究。
According to the needs for optimal maintenance of equipment in the power plant, the condition monitoring and diagnosis system of vacuum circuit breaker is studied.
通过对真空断路器在分断过程中三相电流在整个变量周期内的数值模拟，得到了三相电流在不同相位角时对相间磁场的影响。
Through the whole cycle numerical simulation to three phases current in the opening course, the magnetic field influences at different phase angles of three phases current are clearly obtained.
随着光控模块式真空断路器的提出，对其中的电容充电电源提出了要求。
With the apearance of optical control of module vacuum circuit breakers, some requirements on the capacitor charge power supply were raised.
对与真空断路器相配的弹簧操动机构而言，其输出力特性和开关负载特性的合理匹配取决于凸轮机构的合理设计。
For vacuum circuit breaker with spring operating mechanism, an optimum design of CAM mechanism is significant to make the output force characteristics match the load characteristics.
通过对用高压真空断路器对传统高压开关柜进行无油化改造方法的介绍，详细阐述了具体的实施措施。
The high voltage vacuum breaker is used in the traditional high voltage switch cabinet. We get the high voltage switch cabinet without oil. In this paper, many concrete methods are introduced.
利用场路综合分析的方法，来分析真空断路器产生的操作过电压对电动机的绝缘造成的影响和危害，具有一定的现实意义。
It's useful to analyze the effect and damage to the large motor insulation by the VCB switching over-voltage based on the circuit-field analysis method.
针对三相短路电流产生的电动力进行分析，经过受力分析，瞬间较高的电动力对户外柱上真空断路器的影响很大。
The three-phase short circuit currents of bulk electric power system are very high, and the high currents do harm to the working of the system.
对永磁操动机构真空断路器的同步控制系统进行研究是保证电力系统安全可靠运行的基础，也是近年来断路器智能化的研究热点之一。
To ensure safety and reliability service of electric power system, the research of synchronous control system that is about VCB equipped with PMA is essential.
对永磁操动机构真空断路器的同步控制系统进行研究是保证电力系统安全可靠运行的基础，也是近年来断路器智能化的研究热点之一。
To ensure safety and reliability service of electric power system, the research of synchronous control system that is about VCB equipped with PMA is essential.
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