The back-space decreasing is benefit to improve the arc voltage, pressure of arc chamber and change the arc motion in arc quenching chamber. 研究结果表明:灭弧室背后空间的改变,对模型开断能力影响明显,减小背后空间体积有利于提升电弧电压、灭弧室气压以及改善电弧运动情况。
Main Problems on Design of SF6 Rotating Arc Chamber SF6旋弧灭弧室设计中的几个主要问题
Finite Element Analysis or Hot Gas Flow Field During Current Arcing Period in Arc Chamber of SF_6 Breaker 稳态燃弧SF6断路器灭弧室内热流场有限元分析
The Pressure Calculation During its Storage in Arc Chamber of SF_6 Breaker with Self-Energy Quenching Arc SF6自能灭弧断路器中蓄压阶段灭弧室内压力的计算
The electromagnetic capacity of vacuum circuit breaker and permanent magnetic actuator are analyzed, including the electric field of vacuum arc chamber, insulation problem between phases of vacuum circuit breaker and the static magnetic field of Permanent Magnetic Actuator ( PMA). 同时本文还计算分析了两种结构真空灭弧室的电场及真空断路器的相间绝缘问题,单稳态永磁操动机构的静磁特性,形成了永磁机构与真空断路器的电磁计算模块。
The Pneumatic Calculation of Quenching Arc Chamber in Puffer Type Circuit Breaker BLOW MOLDING OF POLYAMIDES 压气式气吹灭弧室的气动计算
Finite element analysis of flow structure in arc chamber of SF6 breaker SF6断路器灭弧室下游结构对气流流场影响的有限元分析
Mathematical model of magnetic field driven arc in arc chamber of low voltage circuit breaker 低压断路器灭弧室中磁驱电弧的数学模型
Combining with simulation of arc phenomena, a corresponding arc chamber sample is made to testify the arc mathematical model. 结合理论研究,制作了相应的灭弧室模型,对该电弧数学模型进行了实验验证。
Fault Handling for Air Leakage of Extinguishing Arc Chamber in VIM Type Vacuum Circuit Breaker VD4型真空断路器灭弧室漏气故障处理
Development of arc chamber in high pressure thermal expansion SF_6 circuit breaker 高压热膨胀式SF6断路器灭弧室的发展
Comparison and analysis are made on principle feature of arc chamber and structural characteristics of operating mechanism in each generation for high pressure thermal expansion SF_6 circuit breakers. 对高压热膨胀式SF6断路器各代灭弧室的原理特点和操动机构的结构特点进行了比较、分析。
There was no damage found inside, but there was a little of metal powder in the arc chamber and porcelain bushing and some of the powder has been burned. 阐述了返厂解体检查的情况,内部未发现损伤,但灭弧室和瓷套内有微量金属粉末,部分有灼痕。
Through the analysis of vacuum testing condition in extinguishing arc chamber in the handcart of circuit breaker, the notice that should be paid attention for using magnetic control discharge method on site to measure vacuum degree is pointed out. 通过对从断路器手车上拆下的灭弧室真空度试验情况分析,指出在现场用磁控法测真空度时应注意的事项。
The results are valuable for theoretical study on arc erosion and design for a rotating arc chamber. 所得结果可供电弧运动和电极侵蚀理论研究以及旋弧灭弧室设计参考。
The magnetic flux density distribution in the model arc chamber and the phase difference between coil current I and magnetic field B have been measured. 本文实测了模型灭弧室的磁密分布及驱弧线圈电流I与弧区磁密B的相位差。
Taylor-Galerkin finite element method, which combines the advantages of finite differential method and finite element method, is used to calculate the flow field in arc chamber of SF6 circuit breaker. 本文采用结合差分法与有限元法优点的Taylor-Galerkin有限元法对实际SF6断路器灭弧室内的气流场进行了计算。
The electric field of phase-phase, phase-earth of three-phase arc quenching chamber of the circuit breaker is calculated, insulation character is analyzed and the circuit breaker's whole insulating structure are ensured. 计算了断路器三相灭弧室断口相间、相对地等的电场分布,对绝缘性能进行了分析,确定了真空断路器整体绝缘结构。
A calculation method of ′ r ′ otary arc magnetic with several kinds of dielectrics and complex structure is introduced an optimum method for the arc chamber size is provided. 介绍多媒质、复杂结构旋弧磁场的计算方法及灭弧室结构尺寸的优化方法。
This article briefly introduced the bulk testing method on vacuum degree in arc chamber for vacuum switch, including test principle, hardware composition, software design, vacuum degree calibration and the performance, front panel, operation and usage etc. of the tester. 本文简要介绍真空开关灭弧室真空度不拆卸测试方法,其中包括测试原理、硬件组成、软件设计、真空度标定,以及测试仪的性能、板面、操作和使用方法等。
In this paper, we present a new type of hybrid arc quenching system, which controls the metal vapor and back flow of the hot air in splitters arc quenching chamber. 本文研究了一种将窄缝与栅片配合应用于限流断路器的新型混合式灭弧系统。控制了栅片间金属短弧的金属蒸气喷流,同时削弱灭弧室中热气体的回流。
Main problems on design of rotary arc chamber of SF, circuit breaker are discussed and solved in this paper. 本文论述SF6旋弧灭弧室设计中应注意的几个主要问题,提出了解决这些问题的办法。
Numerical Calculation of Inductance Coefficient of the Rotating Arc Chamber Arc Fitting 旋弧式灭弧室感应系数的数值计算
The Investigation of Effective Factors on Breaking Capacity of SF_6 Rotating Arc Chamber SF6旋弧式灭弧室开断能力影响因素的研究
The Numerical Simulation of Small Capacitive Current Interruption in SF_6 Arc Chamber SF6灭弧室内小容性电流开断的数值模拟
Bulk Test on Vacuum Degree in Arc Chamber for Vacuum Switch 真空开关灭弧室真空度不拆卸测试
Relation With the Structure and Magnetic Field of SF 6 Rotary Arc Chamber SF6旋弧灭弧室结构与驱弧磁场大小关系
Research on the Flow Field Control in Arc Chamber of Unload Breaking of SF_6 Circuit Breaker SF6断路器无载分闸灭弧室气流场控制的研究
Consequently, design of the nozzle in arc chamber is the core of SF6 high-voltage circuit breaker design. 灭弧室内喷口的设计已成为SF6断路器整体设计中的核心内容之一。