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首页> 外文期刊>IEE Proceedings. Part A >Air breakdown in the conductor-rod gap under composite slow-front impulse/alternating voltages
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Air breakdown in the conductor-rod gap under composite slow-front impulse/alternating voltages

机译:在复合慢前脉冲/交流电压下导体杆间隙中的空气击穿

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摘要

The dielectric strength of a conductor rod gap under combined alternating and impulse voltage is discussed. The effect of the alternating voltage on the impulse profile, under withstand and under the breakdown condition, is described in terms of the angle in the cycle at which the impulse is triggered. Sparkover data is presented for composite voltages using three switching impulses, which have times to peak of 119, 241 and 342μs in the absence of pre-stress voltage. Results are given for triggering angles 0, 90, 135, 180 and 270 and it is shown that significant variations occur in the composite sparkover voltage depending on both the amplitude of alternating voltage and the triggering angle. The results are discussed in terms of the influence of the corona set up by the alternating voltage.
机译:讨论了组合交流电压和脉冲电压下导体间隙的介电强度。在承受和击穿条件下,交流电压对脉冲轮廓的影响是根据触发脉冲的周期中的角度来描述的。给出了使用三个开关脉冲的复合电压的跳火数据,在没有预应力电压的情况下,其峰值时间为119、241和342μs。给出了触发角0、90、135、180和270的结果,结果表明,根据交流电压的幅度和触发角,复合击穿电压会发生明显变化。根据交流电压建立的电晕的影响来讨论结果。

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