Development and Flight Performances of China's Satellite Power Systems LIU LING-HUI Summary This paper presents the status of China's satellites' power systems, which involve solar arrays nickel-cadmium batteries and so on. The paper describes the flight performance of high reliability, long life solar cells and power conditioning for the power system of the ECS. As the fabrication technology for power systems had been improved, the power system for SES was in very good condition during an eight-year and threemonth flight period. Finally, a projection of further research in space power (solar cells and chemical cells) at the Tianjin Institute of Power Sources is presented. Since 24 April 1970, China has launched 18 satellites [1] successfully, including scientific exploration, recovery, and communication satellites. Most of the electrical subsystems [2, 3, 4, 5] of these satellites were developed and manufactured by Tianjin Institute of Power Sources (TIPS) (Table I). Our research work on solar cells, the hermetically sealed battery, hydrogen-oxygen fuel cells, thermoelectric generators and power conditioning units for space power systems began in the early 1960s. Work on the nickel-hydrogen batteries began in the late 1970s.
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