Switching loss calculation method and device, equipment, storage medium and program product

The invention relates to a switching loss calculation method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring a collector current waveform curve and a collector-emitter voltage waveform curve of a transistor in each switching period; for each switching period, simplifying the collector current waveform curve in the switching period to obtain a current simplified waveform curve, and simplifying the collector-emitter voltage waveform curve in the switching period to obtain a voltage simplified waveform curve; and calculating the switching loss in the switching period based on the current simplified waveform curve and the voltage simplified waveform curve after time synchronization. By adopting the method, the error of loss calculation can be remarkably reduced. 本申请涉及一种开关损耗计算方法、装置、计算机设备、计算机可读存储介质和计算机程序产品。所述方法包括：获取晶体管每个开关周期内的集电极电流波形曲线和集电极-发射极电压波形曲线；针对每个开关周期，对所针对开关周期内的集电极电流波形曲线进行简化处理，得到电流简化波形曲线，对所针对开关周期内的集电极-发射极电压