DIRECT ALGORITHM-BASED ELECTROMAGNETIC AND ELECTROMECHANICAL TRANSIENT SIMULATION ALGORITHM

摘要

A direct algorithm-based electromagnetic and electromechanical transient simulation algorithm, belonging to the field of power system simulation technology. A power system network comprises a generator model, a line model, a load model and a transformer model, respectively calculating electromagnetic transient matrices of the generator model, the line model, the load model and the transformer model, comprising the following steps: (1) respectively solving corresponding electromagnetic transient equations according to different models; (2) sorting the electromagnetic transient equations in step (1) into a differential equation; (3) sorting and transforming the differential equation to obtain an electromagnetic transient matrix; and substituting the electromagnetic transient matrix into a direct algorithm-based power system electromechanical transient simulation method, so as to perform simulation of an electromagnetic transient effect. The present invention is able to achieve simulation calculation integrating electromagnetic transient and electromechanical transient.