| 1. | Application guide for transient recovery voltage for ac high - voltage circuit breakers 交流高压断路器瞬时恢复电压的应用指南 |
| 2. | Application guide for transient recovery voltage for ac high - voltage circuit breakers 交流高压断路器用瞬间恢复电压的应用指南 |
| 3. | Supplement to guide for synthetic fault testing of ac high - voltage circuit breakers rated on a symmetrical current basis - 8 . 3 . 2 : recovery voltage for terminal faults - asymmetrical short - circuit current 额定在均衡电流基础上的交流高压断路器模拟故障试验指南补充. 8 . 3 . 2 :终端故障恢复电压.不平衡短路电流 |
| 4. | After simulating the reverse recovery voltage and current characteristics , the forward and backward i - v characteristics and temperature characteristics with medici , the optimal design to some key parameters is proposed 在利用medici对它们的反向恢复、 -特性和温度特性等进行模拟后及分析后,又给出?基区渐变掺杂厚度、方式以及台面模型等参数的优化设计过程。 |
| 5. | In this dissertation , firstly , characteristics of no - load overhead line and processes of switching no - load overhead line by circuit - breakers are analyzed , then , transient recovery voltage across circuit - breaker are calculated emphatically and the factors of affecting transient recovery voltage are analyzed 这就要求断路器具有良好的开合空载架空线路的能力。实验室进行开合线路充电电流试验是考核断路器开合空载架空线路性能的重要手段,通过试验可以优化断路器的设计、提高断路器开合空载架空线路性能。 |
| 6. | The paper establishes a mathematic model that describes the relationship between the arc voltage , the recovery voltage and the arc shield voltage . lt makes a detailed theoretic analysis of the plasma changing laws between contacts and the arc shield gap arc in the arcing process and after - arcing recovery process . the model has achieved the same results as the experiment results 建立了描述真空灭弧室的电弧电压、恢复电压与屏蔽罩电压之间关系的数学模型,从理论上详细分系了燃弧过程和弧后恢复过程中,真空灭弧室触头间隙和触头与屏蔽罩间隙电弧等离子体的变化规律,取得了与试验结果一致的结论。 |
| 7. | Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike . for assessing performance of circuit - breaker , the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis , the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below , in compliance with the correlative standard jb5871 and the test devices , and the test circuit parameters have been calculated and the many testes have been carried out 在理论分析的基础上,考虑实验室现有设备的情况依据标准jb5871的规定,选用合适的试验设备,对试验线路的参数进行计算,在实验室建立了252kv及以下电压等级断路器开合线路充电电流直接试验线路,利用该线路进行了数台产品的试验,分析了试验结果,并根据试验结果和理论基础讨论了gb t1984 - 200 《交流高压断路器》 (报批稿)关于开合线路充电电流试验的有关规定。 |
| 8. | This paper designs a device of testing the arc shield voltage in the vacuum interrupter , and makes a study of the arcing and after - arcing recovery characteristics of the arc shield by measuring the arc current , the arc voltage , the recovery voltage and the arc shield voltage 本文设计了真空灭弧室屏蔽罩电压测量装置,并对真空灭弧室在燃弧和弧后介质强度恢复过程两个阶段的电弧电流、电弧电压、恢复电压和屏蔽罩电压进行了全面、系统的波形测试,研究了真空灭弧室蒸汽屏蔽罩在燃弧和弧后介质强度恢复过程的特性。 |