合闸线圈

一起SF6断路器机构合闸线圈烧毁故障的处理

A fault treatment of closing coil burning of actuator in sf_6 circuit breaker

对DMX系列磁场断路器现场出现FMK分闸故障信号和合闸线圈烧毁的现象进行分析，提出改进方法。

Analyze the cause that the DMX series of magnetic field breaker sent the failure signal of tripping and the closing coil was burnt out . The improving way is put forward .

VD4型真空断路器合闸线圈烧毁的故障分析

Analysis and Fault Handling of Frequent Burn-out of Closing Coils for Type VD4 Vacuum Circuit Breaker

真空断路器合闸线圈保护的改造方案

Reformation plan for protection of vacuum circuit breaker 's winding

灭磁开关合闸线圈烧毁的事故分析及改进

Fault analysis of and improving measures for field breaker closing coil burning

发电机出口开关合闸线圈烧毁故障处理

Troubleshooting in Burnout of Closing Coil of Generator Outlet Switchgear

断路器分、合闸线圈烧毁原因分析及对策

Cause Analysis and Countermeasures to Burnout of Tripping and Closing Coil of Circuit Breaker

断路器合闸线圈、接触器烧毁现象分析及改进

Analysis and improvement of burnt down phenomenon of circuit breaker closing coil and contactor

高压断路器跳合闸线圈保护原理

Protecting theory of HV circuit breaker

在电力系统运行中，断路器分、合闸线圈烧毁的事故时有发生。

The tripping and closing coil of circuit breaker frequently burns out in the process of power system operation .

动态测量主要测量三相主回路电流、分合闸线圈电流、断路器触头行程及其振动信号。

The dynamic parameters include the waves of current , displacement and vibration signals which are measured when the HVCB work .

通过对断路器合闸线圈、合闸接触器线圈烧毁现象的危害和原因进行分析讨论，从运行维护、设备检修等方面入手制定相应的防范和整改、技改措施，保证断路器操作的顺利进行。

This paper analyses the hazard and the reason of the burnt down of the closing coil and contactor in the circuit breaker control loop .

文中讨论分析了分、合闸线圈烧毁的原因，阐述了防止分、合闸线圈烧毁的对策。

The paper analyzes the reasons for the burnout of tripping and closing coil , and the measures of preventing the burnout of tripping and closing coil .

交流电经整流滤波后，为合闸线圈提供励磁电流；对电容器充电，以备分闸线圈提供所需励磁电流使用。

The AC was commuted and filtered , then providing for the closing coil excitation current ; Charge to the capacitor to prepare the necessary tripping coil excitation current .

改换工作后，真空断路器常发生拒分、拒合、烧坏合闸线圈和继电保护回路设备等问题，以及断路器跳跃、分合震动大等反常现象。

There have some abnormal phenomenal that the vacuum switch often refused departing and combining , burned out gap switching and looping equipment of relay protection , the switch jumped , after changing the task .

二次设备电源的供给问题，提出了新的思路，即用电容器储能，为跳合闸线圈提供能量，用蓄电池为其它设备提供电源。

A new thoughts about power supply for second equipments is put forward , which is using capacitor to keep energy for open-coils and close-coils and by using storage battery to provide the energy for equipment else .

用霍尔电流传感器监测分合闸线圈电流，配合动触头位移曲线，得到反映真空断路器机械特性的多个特征参量。

Holtz current sensor is used to monitor the current in tripping coils . Furthermore , combining with the displacement curve of the movable contact , many characteristic parameters of mechanical conditions in vacuum circuit breaker have been obtained .

主要基于振动信号，并结合合闸线圈电流，从振动时间、频谱特性和小波包分解能量分布来分析断路器的电磁铁动特性；

The motion characteristics of the breaker electromagnet were studied by analyzing the vibration signals and the current in the closing coil in terms of the motion time , frequency spectrum , and energy distribution of the wavelet packet frequency band .

为了确定配用于真空断路器的永磁操作机构分、合闸激磁线圈放电电容参数，进行了相关的理论分析和储能放电电容不同电容量下永磁操作机构特性试验研究。

In order to select the parameters of the energy storage capacitor used in vacuum circuit breaker driven by permanent magnetic actuator , this paper makes the interrelated theoretical analysis and the characteristic test research of permanent magnetic actuator powered by energy storage capacitor of different capacitance .

永久磁铁保持真空断路器的分合闸位置，控制线圈不通电时，动铁芯具有分合闸两个稳定工作状态。

Permanent magnet keeps on position of off / on breaker for vacuum circuit breaker . Control winding did not galvanize , move iron core had two steady working states .