用两点法确定电弧的Pentegov模型中选定变量的时间常数

2019 Applications of Electromagnetics in Modern Engineering and Medicine (PTZE) Pub Date : 2019-06-01 DOI:10.23919/PTZE.2019.8781718

A. Sawicki

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引用次数: 0

摘要

给出了戊特戈夫电弧的数学模型，以及由于静电压特性的选择而产生的各种变化。在电路中使用迫使矩形波电流的源使得确定不可测量状态电流的值和依赖于它们的弧时间常数成为可能。利用电导逆函数，根据可测量的电弧电流和电压极值，确定所选Pentegov模型变体的状态电流值。通过仿真试验，验证了所提出的两点法确定电弧数学模型中所选变量时间常数的有效性。

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Two-point method of determining the time constant of selected variants of the Pentegov model of electric arc

The mathematical model of the Pentegov arc and its various variants resulting from the selection of static-voltage characteristics are presented. The use of a source forcing a rectangular wave current in the circuit has made it possible to determine the values of unmeasurable state currents and the arc time constant depending on them. Using the inverse conductance function, the status current values of the selected variant of the Pentegov model were determined, depending on the measurable extreme values of arc current and voltage. Using simulation tests, the effectiveness of the proposed two-point method for determining the time constant of selected variants of the mathematical model of the arc was tested.

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2019 Applications of Electromagnetics in Modern Engineering and Medicine (PTZE)

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