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Overvoltage incident due to500kV isolator operation in Shanghe substation;

上河变电所500kV隔离开关操作中感应过电压事故分析

Through a practical overhaul case of high voltage circuit breaker and isolator, the paper expounds the faults caused by difficulties of the circuit breaker in closing and makes corresponding measures.

通过高压断路器和隔离开关的实际检修工作 ,论述了导致断路器合闸困难的缺陷成因以及相应的处理方法。

The effect of isolator operation on the selectivity of medium inpedence and digital bus-bar protections are analysed.

详细分析了操作隔离开关对中阻抗及微机母线保护选择性的影响 ,指出在进行隔离开关合、分闸操作过程中 ,若母线发生故障 ,存在导致扩大故障范围和造成人身伤亡的可能性 ,最后给出一些意见和设

Improvement on suppression of birds harm for GW5 disconnectors;

GW5隔离开关防鸟害方案

Analysis of Abnormal Phenomenon in Operation and Overhaul for GW4 Series Switch - disconnector;

对GW4系列隔离开关运行检修中异常现象的分析

Analysis of the operation of disconnector in Shandong Power Grid;

山东电网高压隔离开关运行分析

In the process of switching operation of 220kV primary equipment,the switch of motor power source tripped suddenly,and then electric arc occurred between the moving contact and stationary contact of disconnecting switch.

对一起因220kV一次设备在倒闸操作过程中,电动机电源开关突然跳闸,致使隔离开关动、静触头之间产生电弧,危及电网和设备安全的这一危险情况进行了分析,找出危险根源,强调执行反事故措施的重要性。

After comparing the operation condition of the improved high-voltage disconnecting switch of 110 kV and above with that of the initial one,the defects of the improved switch found in the operation of Sichuan power grid are pointed out,and the improvement suggestions are proposed.

通过对110 kV及以上高压隔离开关完善化前后运行状况的分析,指出了完善化后产品在四川电网运行中发现的缺陷并提出了改进建议。

Concerning the faults frequently occurred during the operation of disconnecting switches,the factors affecting the safe and reliable operation of HV disconnecting switches were analyzed,and ways to strengthen the operation management of HV disconnecting switches and measures to improve equipment reliability were put forward.

针对隔离开关在运行中的常见故障,分析了影响高压隔离开关运行可靠性的原因,提出了加强高压隔离开关的运行管理及提高其运行可靠性的对策。

It is introduced the development background, procedures and handling of critic technologies of the 3 sub-systems in automatic track management system for locomotive depot, which are the centralized control of turnoffs, centralized control of isolation switches in electric locomotive depot along with operation monitor in service yard.

介绍了机务段股道管理自动化系统中道岔集中控制、电力机务段隔离开关集中控制、整备场作业图像监视3个子系统的研制背景、研制过程及关键技术的处理。

A new product HSG1 series isolation switch was introduced.

介绍了一种新产品——HSG1系列隔离开关。

Research on improving of isolating switch;

隔离开关改造问题的研究

Discussion on improving mechanical interlock of GW_(5A)-35,66,110 isolating switch;

关于GW_(5A)-35、66、110型隔离开关机械联锁改进的讨论

Research on improving the performance of GW_5-110 isolating switch;

GW_5-110型隔离开关性能改进的研究

isolating switch and make-and-break switches

隔离开关和通断开关

traction motor isolating switch

牵引电动机隔离开关

isolating switch for control supply panel

控制电源屏隔离开关

isolating switch for main silicon rectifier cubicle

主硅整流柜隔离开关

air-blast on-load isolator

压气式负荷隔离开关

fault isolating switch for Arno converter

劈相机故障隔离开关

Alternating current high-voltage disconnectors and earthing switches

GB1985-1989交流高压隔离开关和接地开关

Dynamic response analysis of electrical disconnector with base isolation

基底隔震电气隔离开关的动力反应分析

Design of straight separate switch in close assemble electric appliances;

封闭组合电器中直线隔离开关的设计

A Live Polishing Machine for Disconnector Contact with High-voltage

一种高压隔离开关触头在线磨光装置

Installation and Maintenance of Vertical Folding-Type Disconnector

垂直折臂式隔离开关的安装、运行维护

Latching Analysis of DC Disconnectors in Urban Rail Transit

城市轨道交通直流隔离开关闭锁分析

Study on the Measures of Anti-icing GW16 and GW17 Disconnector

GW16、GW17型隔离开关防冰措施初探

The failure treatment for the type of GW7C-800 high voltage isolating switch

GW7C-800型高压隔离开关故障处理

Improved Scheme of Control System of Disconnector Used in Locomotive Depot

机务段隔离开关控制系统的改进方案

Analysis and Treatment on One Overheat of 500kV Disconnecting Switch

一起500kV隔离开关过热分析及处理

Maintenance and Fault Processing of Mine High Voltage Isolator

矿用高压隔离开关的维护及故障处理

Frequent Malfunction to Isolation Switch in Substation and its Precaution Measure

变电站隔离开关常见故障及预防措施