真空开关

介绍了X射线荧光光谱分析的原理、仪器特点以及在真空开关管用材料中的应用。着重讲述了EDX-700型能量色散型X射线荧光光谱仪的定性半定量分析的特点。

The method principle , characteristic of the energy dispersion fluorescence X-ray spectrometer and its application in vacuum switch tube are introduced in this paper .

ZW-40.5型真空开关多次重合原因分析及改造对策

Reason Analysis and Retrofit Countermeasures on Many Times Reclosing for ZW-40.5 Typed Vacuum Switch

国外真空开关管用Cu-Cr触头材料研究

Development of Cu-Cr Contact Material for Foreign VCB

CuCr合金触头材料具有良好的力学和电学性能，广泛应用于真空开关。

CuCr contact material has excellent mechanical and electrical properties and is widely used in vacuum switchgear .

3kV开关无油化改造和真空开关的使用

Oil-free Transformation of 3 kV Switches and Application of Vacuum Switches

ZKP-20型二十工位真空开关管排气台

Zkp-20 model 20-PORT vacuum exhaust apparatus for vacuum switch tube

Ag-Cu-Ni焊料在真空开关管中的应用研究

Study of Ag-Cu-Ni Brazing Material Applied for Vacuum Interrupter

使用标准的拉伸试验与冲击试验测量了两种真空开关管用CuCr（75/25）触头材料的力学性能，并用光学显微镜和配有X射线能谱仪的扫描电子显微镜分析了两种触头材料的断裂特性。

Mechanical properties of two sorts of CuCr ( 75 / 25 ) contact materials adopted widely for vacuum interrupters were determined by standard tensile test and impact test , and fracture characteristics of these two materials after tests were analyzed by optical and SEM equipped with EDS.

本文介绍了中国电力系统配电电压等级开关设备的现状，统计分析了配电开关设备1990～1999年的事故情况以及SF6、真空开关设备的故障特点，指出了高压开关设备无油化的若干趋势。

A statistical analysis to the failures of the distribution switchgear during 1990 ~ 1999 is made . The features of the SF 6 and vacuum circuit breaker are analyzed . It then introduces some trends of the application of non oil high voltage switchgear .

真空开关截流机理及其影响因素

Mechanism and Influencing Factors of Current Chopping in Vacuum Circuit Breaker

真空开关管废品原因的探讨

A Discussion on the Reasons of the Rejects for Vacuum Interrupter

自动真空开关分相装置及改进建议

Proposal on Improvement of Phase Break Device for Automatic Vacuum Switchgear

真空开关灭弧室真空度不拆卸测试

Bulk Test on Vacuum Degree in Arc Chamber for Vacuum Switch

谈谈真空开关与操动机构的配合问题

Talking about Matching Problem of a Vacuum Switch with a Mechanism

触头材料性质对真空开关截流水平的影响

The Influence of Contact Material Properties on Vacuum Switch Chopping Current

电网中真空开关管真空度监测仪

Monitoring Instrument of the Vacuum Switch Used in the Electric Network

真空开关操作过电压吸收装置的研究

The Research of absorbing Devices of Operation Over-voltage of Vacuum Switch

相控真空开关同步关合电容器组控制策略及其实现

Synchronized control tactics of phasing vacuum switches when closing capacitor banks

水基料浆注模凝胶法制备氧化铝陶瓷高压真空开关管壳

Preparation of Alumina High Voltage Vacuum Interrupter Housing by Aqueous Gel-Casting

真空开关的触头振动与重击穿现象

On the Contact Bouncing and Restriking phenomena in Vacuum Switches

真空开关开断单相感性小电流的操作过电压

The Switching Overvoltages of Interrupting Single-phase Small Inductive Current by Vacuum Switches

真空开关测试中发现的几个关键质量问题

Some key Quality Problems on the Application of Vacuum Switch

这个系统是真空开关管的真空排气系统。

This system is used to vacuate and exhaust vacuum switching tube .

几种测量电网中真空开关管真空度的方法

The Vacuum Measuring Methods of Vacuum Switch Tube in Electrical Wire Netting

触发真空开关中初始等离子体的产生和扩展

Production and Expansion of Primary Plasma in Triggered Vacuum Switches

触发真空开关是一种新型的高压脉冲开关。

The triggered Vacuum switch is a new high Voltage pulsed Switch .

多断口真空开关技术的发展与研究现状

Development and Current Status of Vacuum Switch with Multiple Breaks

用真空开关开合电容电流的分析

Analysis on breaking and making capacitive current with a vacuum circuit breaker

几种中压真空开关的应用范围及发展趋势

Application Range and Development Trend of Several Kinds of MY Vaccum Switchgears

电力电网真空开关过电压的产生及防护

Generation and Protection of Overvoltage of Vacuum Switch in Electric Power Network