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- When vacuum switches switch off shunt capacitors, restriking overvoltage may be brought about which will threaten insulation of equipments severely. 摘要真空开关在开断并联电容器组时可能产生重击穿过电压,对设备绝缘造成严重威胁。
- In this thesis, restriking overvoltage that happens in a 35kV power system is calculated and the factors that may influence the overvoltage are analyzed. 本文研究了35kV系统中切除并联无功补偿兼滤波装置时的重燃过电压,并对影响重燃过电压大小的因素进行了计算分析。
- When vacuum switches switch off shunt capacitors and HV motors, restriking overvoltage and multi-reburning overvoltage may be brought about and threaten insulation of equipments severely. 真空开关在开断并联电容器组和高压电动机时可能产生重击穿过电压和多次重燃过电压,对设备绝缘造成严重威胁。
- It is showed that magnetic rings of amorphous material on a conductor can notably increase its inductance and make effective suppression on the steepness of the vacuum restriking overvoltage. 试验显示,在导线上套上一串非晶材料磁环能够显著增加线路电感,对减小真空开关重燃过电压的陡度是有效的。
- Steepness Suppression of Vacuum Restriking Overvoltage by Magnetic Ring 磁环抑制真空重燃过电压的陡度
- In a10kV distribution system,when shunt ca-pacitors are switched off by vacuum circuit breakers,restrike overvoltage often occurs. 电力系统中使用真空断路器切除无功补偿用并联电容器时,容易产生重燃过电压,严重影响并联电容的安全运行。
- Du Bin, Zhao Feng, Gao Yadong et al.Study of restrike overvoltage when switching off shunt capacitors in a 10kV distribution system[J].High VoltageApparatus, 2004, 40(4): 255-258. [8]杜斌;赵峰;高亚栋;等.;10kV系统中切除并联电容器时的重燃过电压研究[J]
- restriking overvoltage 重燃过电压
- This type of overvoltage is called lightning incoming wave4. 此类过电压称为雷电侵入波。
- restrike overvoltage 重燃过电压
- The overvoltage varies inversely with the current density to some extent. 超电压在某种程度上随电流密度成反比地变化。
- For clarity, the figure omits overvoltage diodes and protection circuits. 为明确起见,图中省略了过压二极管和保护电路。
- The cart has overvoltage protecting and power leakage protecting functions. 本收放车具有过压断电保护和漏电保护功能。
- Off-Line Flyback Overcurrent/Short-Circuit, Overvoltage -40 Through. Hole 其它 Plastic (including epoxy) 通用描述: Offline Switching Regu...
- A number of Standards Committees have addressed lightning and overvoltage conditions that appear on power lines. 许多标准制定机构在其标准中都有关于雷电及电源线上过电压的描述。
- A simple circuit breaker delivers precision overvoltage protection and overcurrent protection. 一个简单的电路断路器提供精密过压和过流保护。
- So a new method of overvoltage control in IGBT cutting off is introduced in this article. 介绍了有效抑制IGBT关断中过电压的新方法。
- This circuit does not disturb the functioning of the undervoltage and overvoltage functions of the M or L pin. 电路不会干扰M或L引脚的过电压和欠电压功能。
- It is developed the restriking die to achieve once the precision of dimension form and position of end-cap. It is simple in construction and feasible. 根据端盖的特殊要求;设计了一副整形模;一次性地达到了制件的尺寸精度和各部形位精度.;模具结构简单;实践证明可行
- Components used to reduce the Overvoltage Category shall comply with the requirements of IEC 61643-series. 那些用来降低过电压类别的元件应该符合IEC61643-系列的要求。