Transient Response Improvement and Reduced Heat Generation Control for Satellite Bus Voltage Controller

Abstract

In the conventional bus voltage controller, the concentration of heat generation in a specified circuit has been an obstacle to miniaturization. In this paper, we describe the control algorithm and the experimental result of the direct and distributed switching control (DDSC) method devised to disperse the generation of heat. Additionally, to improve the transient response while reducing the steady state switching frequency, which can reduce the generation of heat, we investigated the application of a transient mode that temporarily speeds up the control cycle when load fluctuation is detected. We also report the calculation of the heat reduction effect that can be achieved by combining these methods.