A method of transient electromechanical processes modeling in power systems

A non-iterative method for transient electromechanical processes calculation in power system with arbitrary topology network and RL equivalent scheme is described. The electrical machines models (synchronous generator, induction motor) and static RL-loads are written in Cauchy form in respect of currents and angular velocity. With exclusion of the current derivatives from network equations we obtained algebraic equations system for a node voltages calculation. The automatic method for the system model build is proposed. The new methods are illustrated by simulation of transients in 15-node power system.