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Two different power circuit structures have been proposed for a five-level hybrid active neutral-point-clamped (5L HANPC) converters. In order to reduce the size/weight of the converter system, PCB-mounted film capacitors were selected as DC-link banks. The two arrangement of the existing power semiconductor modules are compared in this paper. The comparison includes dimension, weight, parasitic parameters,...
To keep stray inductance low is a basic requirement in package design of IGBT modules. Meanwhile, paralleling of several switches is unavoidable in modern power electronics to insure always increasing current levels. Current balance between paralleled chips is another concern. In this paper, a simple power module, several different types of IGBT chips are respectively associated to reach the classical...
From the basis of math-physics, the reverse recovery characteristics of the power PIN diode are studied in detail. The simulation model of PIN diode which can describe correctly the reverse recovery current is obtained. This model overcomes the defects of the standard SPICE model which completely ignores the turn-off characteristics. The simulation comparison between the new model with the standard...
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