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The control strategy for current regulator based on synchronous frame has been widely applied for the three-phase pulse width modulation (PWM) rectifier. However, because of the lack of one demention in mathematical model, delaying one-quarter of a periodic synchronization of the actual circuit physical quantities to achieve a group of virtual physical quantities orthographic with the actual ones...
In this paper, a basic design scheme of electric engineering maintenance rolling stock (EEMRS) is briefly described, which is composed of six power converters. In order to reduce the size of heatsink and increase the energy conservation and efficiency of power converters, the thermal resistance model of IGBT module and heatsink, and its thermal equivalent circuit are presented. A calculation method...
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