Ltd Electrical Alloy Company of which the main products involve tungsten-base contact material, integrated contact, silver-base contact material.SF6 breaker contact, copper-graphite contact etc. 其主导产品有:钨基触头材料、整体电触头、银基触头材料、SF6断路器电触头、铜-石墨触头等产品。
Its concluded that the contact closing force as a part of the original power for closing is also an important factor affecting the closing bouncing of vacuum circuit breaker. 通过对真空断路器合闸过程中触头弹跳与触头自闭力之间关系的分析,提出作为合闸原动力一部分的触头自闭力也是影响真空断路器合闸弹跳的一个重要因素。
Analysis of anti-jump relay contact stagnation leading to the circuit breaker repeated trip 防跳继电器触点卡滞导致断路器反复跳跃的问题分析
Break [ make] contact The circuit-breaker capacitors are shunted to the break of AC breaker to equalize while closing ( or breaking) a circuit. 断路器电容器可并联于工频交流断路器的断口上,使各断口间的电压在开断时达到均匀。
Familiar with low-voltage electrical apparatus like relay, contact, air breaker, etc. 熟悉继电器、触器和空气短路器等低压电器产品。
Poor contact at the junction of cable magneto breaker arm point 电缆接点处接触不良磁电机断电器臂接触点
Improvment of Automatic Filling and Releasing Contact of SF_6 Circuit Breaker SF6断路器自动充放气接头装置的改进
Development of the CuCr Contact for SF_6 Circuit Breaker SF6断路器钨铜合金触头的研制
By the research of contact wear loss of Circuit Breaker and on the basis of adopting the prior investigation it brings forward a compositive evaluation method and gives the remainder span on supposed conditions, and realizes the diplex Condition Monitoring of electric endurance and mechanical span. 通过对高压断路器触头电磨损的研究,在采纳前人研究方法的基础上,提出了一种综合评估的方法,并给出给定条件下的寿命裕度,实现电气寿命和机械寿命的双重监测。
Measurement of Contact Resistance of Circuit Breaker 断路器导电回路电阻的测量
This article gives a brief introduction to the limitation of the automatic filling and releasing contact of SF 6 circuit breaker before improvement. 对改进前SF6开关自动充放气接头的缺陷作了简要说明。
It sets forth the inaccuracy of isolating-breaker measure By infrared-thermometer and gained contact resistance value in one and half breaker circuit, so as to ensure the security service of changing mode of operating. 阐述了3/2接线中使用红外线测温仪监测刀闸接触状况是不准确的,并提出通过实验的方法得出接触电阻,确保方式改变后的安全运行。
Several ways of measuring contact resistance of circuit breaker are introduced in this paper, and the μΩ instrument is mainly discussed. 介绍了断路器导电回路的电阻测量的常见方法,主要介绍了微欧仪的测量原理。
The influence of selected parameters of IDD on vibrations of contact in AC hybrid breaker EDD参数选择对交流短路器触头振动的影响
The stress relaxation of contact spring appeared at high temperature is one of the main failure modes in high capacity circuit breaker. 大容量断路器的主要故障模式之一是触头弹簧在较高温度下出现的应力松弛。
In practical utility when the movable contacts make contact with fixed ones under normal operation of circuit breaker the vibration signal can be recorded and saved into the microcomputer system for data logging. 在实际工程应用中,可以将断路器正常工作时的动静触头接触时产生的振动信号纪录下来,存入用于巡回检测的微机系统。
On-line Monitoring System for the Temperature of the Contact of Circuit Breaker and Busbar Based on Bluetooth Technique 基于蓝牙的断路器触点和母线温度在线监测系统
Effect of microstructure of contact materials produced by powder metallurgy on breaking performance of high-voltage SF6 circuit breaker 粉末冶金触头材料的显微组织对高压SF6断路器开断性能的影响
Discussion on Contact Closing Force and Closing Bouncing of Vacuum Circuit Breaker 浅谈真空断路器触头自闭力与合闸弹跳
The newly produced CuW CrCu integrated contact can be widely used in separator, breaker, GIS and so on. 新制作的整体触头可广泛应用于隔离开关、断路器、组合电器中的耐弧触头。
The moving contact travel behavior influenced the interrupting capacity of a circuit breaker. 真空断路器的动触头运动特性对其开断能力和寿命影响很大。
Investigation on the Controlling Techniques of Moving Contact Behaviors for Vacuum Circuit Breaker with Permanent Magnetic Actuator 配永磁机构真空断路器运动特性控制技术的研究
This article analyses the influence of the contact spring fitted on different positions on closing and opening processes through comparison experiments and shows that double-bellow vacuum circuit breaker with the contact spring fitted on the fixed contact is a better method to solve many mechanical problems. 通过对比试验,分析了触头弹簧安装形式对分合闸过程的影响,提出了采用静端安装触头弹簧双波纹管真空断路器是解决许多机械问题的好方法。
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. 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。
Study on Silver Graphite Electrical Contact for Miniature Circuit Breaker 小型高分断断路器用纤维状银石墨触头材料的研制
After simplifying subway power supply system, the circuit introduce Mayr arc as the Main contact of the DC breaker, do research both on the traditional DC breaker and the new DC breaker based on the matlab platform. 该电路将实际地铁供电系统简化后,引入麦也尔(Mayr)电弧模型作为直流断路器主触头,在Matlab平台上对传统直流断路器和新型直流断路器进行仿真研究。
The resistance mostly lies on the contact resistance between moving and static contact of breaker. 断路器导电回路电阻主要取决于动、静触头之间的接触电阻。
The increase of contact gap causes the saturation characteristics of insulation strength between the contacts, which limits the development of single vacuum circuit breaker to higher voltage grade. 真空开关触头间绝缘强度随间隙距离增大的饱和特性,使得单断口真空断路器的向高电压等级发展受到限制,利用多个真空断路器构成的多断口真空断路器可以弥补这一缺点。