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Study on the Influence of Different Back-volume of Arc Chambers in the MCCB Interruption

机译:不同背腔弧室中断中的影响的研究

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Gas-puffer has important effects on the interruption capability of MCCB. In this paper, based on a simplified model of arc chamber with single break, the influence of back-volume of arc quenching chamber on arc behavior in molded case circuit breaker is investigated. With a 2- D optical-fiber arc-motion measurement system, experiments are done to study the influence of back-volume on the arc motion and the gas pressure in are quenching chamber. It demonstrates that the less back- volume of arc quenching chamber is, the higher pressure volume and the better arc motion will be.
机译:Gas-Puffer对MCCB的中断能力具有重要影响。 本文基于具有单断的电弧室的简化模型,研究了弧体积的弧形淬火室对模制壳体断路器的电弧行为的影响。 利用2-D光纤电弧运动测量系统,进行实验以研究背部体积对电弧运动的影响,并且在淬火室中的气体压力。 它表明,弧形淬火室的后积越越大,压力容积越高,越好的电弧运动将是。

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