研究电力电子器件对保护元件谐波效应的电热模型

A. Gheisari, E. Farjah, H. Abiri
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引用次数: 1

摘要

如今,电力电子元件和变换器在高频率下工作。用于保护半导体元件的熔断器或装置可能受到产生的谐波的影响。这些保险丝必须根据频率上升而降额。为此,提出了一种精确的电热模型来模拟熔断器的电、热耦合行为。通过该耦合模型,计算了熔断器各位置的电流和温度。该方法可用于任何类型熔断器的建模。
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An electrothermal model for investigation of harmonic effects produced by power electronic devices on protection elements
Nowadays, power electronic components and converters operate at high frequencies. Fuses or devices used for protection of semiconductor components may be affected by generated harmonics. These fuses have to be derated according to frequency rising. So, an accurate electrothermal model for modelling coupled electrical and thermal behavior of fuse is proposed. By this coupled model, current and temperature in all locations of a fuse are calculated. This method can be applied for modelling any fuse types.
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