Starting method for electromagnetic transient simulation of permanent magnet direct drive fan

The invention discloses a starting method for electromagnetic transient simulation of a permanent magnet direct drive fan, which belongs to the technical field of power system simulation. The method comprises the following steps of initializing a Norton equivalent current source of an electromagnetic transient simulation model of the permanent magnet synchronous generator according to control and electrical parameters, enabling the converter to adopt a switching function average value model to initialize a controlled voltage source and a current source at the machine side and the network side of the converter of the permanent magnet direct drive fan, a direct current side capacitor of the converter and an alternating current side filter, determining an inner-loop integral initial value of the control system according to the initialization result of the controlled voltage source of the converter, and determining an outer-loop integral initial value according to the power and the voltage, executing electromagne