A programmable power processor for a 25 kW power module

This paper presents a discussion of the power processor for an electrical power system for a 25 kW Power Module that could support the Space Shuttle program during the 1980´s and 1990´s, and which could be a stepping stone to future large space power systems. Trades that led to selection of a microprocessor controlled power processor are briefly discussed. Emphasis is given to the power processing equipment that uses a microprocessor to provide versatility that allows multiple use and to provide for future growth by reprogramming output voltage to a higher level ( to 120 V from 30 V). Component selection and design considerations are also discussed.