一种检测静电沉淀中火花的新方法

2009 International Conference on Environmental Science and Information Application Technology Pub Date : 2011-03-26 DOI:10.1109/ICIST.2011.5765157

Zhuohan Li, Cheng Shao, C. Zhong, Yi An

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引用次数: 2

摘要

火花检测是静电沉淀中的一个重要问题。提出了一种基于负载电压变化的火花检测新方法。为了得到这一变化，建立了电源的控制模型，进而可以推导出负载电压的数学表达式。通过分析电火花击穿的特点，发现电火花击穿时负载电压的变化比正常情况下要大得多。因此，正常情况下负载电压的最大变化量可作为检测阈值。此外，还提出了跟踪介质强度恢复曲线的控制方法。仿真和实验证明了该方法的有效性。

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A new method for detecting spark in electrostatic precipitation

Spark detection is an important problem in electrostatic precipitation. This paper proposes a new method for detecting the spark based on the load voltage variety. In order to obtain this variety, the control model of the power supply is established, and then the mathematical expression of the load voltage can be formulated. By analyzing the features of the spark breakdown, it is observed that the load voltage variety during the spark breakdown is much larger than that of normal condition. Therefore, the maximum variety of the load voltage under normal condition can be considered as the detection threshold. In addition, the control method which tracks the dielectric strength recovery curve is also presented. The simulations and experiments demonstrate that the proposed method is effective.

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2009 International Conference on Environmental Science and Information Application Technology

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