Loss calculation method for three-phase full-bridge uncontrolled rectification circuit

The invention relates to the technical field of power device loss calculation, in particular to a loss calculation method for a three-phase full-bridge uncontrolled rectifier circuit, and solves the technical defect that a method for calculating the power loss of the three-phase full-bridge uncontrolled rectifier circuit in the prior art is not simple enough. The invention provides a periodic average on-state loss analytical expression of a diode in the three-phase full-bridge uncontrolled rectifier circuit and a periodic average switching loss analytical expression of the diode in the three-phase full-bridge uncontrolled rectifier circuit. The invention provides a simple calculation method for on-state loss and switching loss, and the method does not need to depend on high-frequency real-time data acquisition and calculation of hardware, and can be applied to model selection design of power devices and design of cooling systems. 本发明涉及功率器件损耗计算技术领域，尤其涉及一种三相全桥不控整流电路的损耗计算方法，解决了现有技术中计算三相全桥不控整流电路的功率损耗的方法不够简便的技术缺陷。