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提出一种以三端口模块(Three-Port Converters,TPC)为基本单元构成的卫星电源分布式系统架构及其功率控制方法。该系统以TPC为基本单元,通过将各TPC的输入端口并联连接,实现储能装置和负载分散配置。以两个TPC组成的本卫星电源分布式系统为例,分析所有可能的工作模式,并提出有效的系统功率控制策略,以实现在各种工作状态下平滑、稳定地切换。
A distributed power system architecture based on Three-Port Converters (TPC) and its power control method are proposed. The TPC system as the basic unit, through the input port of each TPC connected in parallel to achieve energy storage devices and load distribution. Taking the two satellite power distributed systems consisting of two TPCs as examples, all possible working modes are analyzed, and an effective system power control strategy is proposed to achieve smooth and stable switching under various working conditions.