Periodic Steady-State Analysis Method of Power Electronic Circuits with Sensitivities of General Switch Timings

Abstract

An efficient periodic steady-state analysis method of power electronic circuits is proposed. The method finds initial values which satisfy a steady-state boundary condition by solving a sensitivity matrix equation. For this matrix computation process, consideration of switch timing variations is essential especially for closed-loop controlled circuits to improve stability of the algorithm. This paper derives a precise and general computation algorithm of the method, which is validated through examples of converters.