针对航天工程地面仿真系统研制任务需要,设计和实现了可重复充电的多路直流稳压电源;对实验转台上用电设备的做了需求分析,给出了电路设计方案,对稳压模块进行了选型;电源系统采用12V7Ah蓄电池,稳压模块采用DC-DC,功率放大器采用OPA548T;实验结果证明设计是成功的,8路电压输出误差平均值优于0.1V,电源系统静态工作时间长达10小时,满足了仿真任务的设计需要.%In order to meet the needs of ground simulation system for aerospace Engineering,we design and implement a multichannel DC regulated power supply.In this paper,we give the demand analysis of the electrical equipment on the experimental platform,provide the circuit design scheme and select the voltage regulator module.The power system uses a storage battery pack composed of 12 V7Ah batteries.The voltage regulator module uses DC-DC.And the power amplifier uses OPA548T.The experimental results show that our design is a great success.At last,we control the average value of 8-channel voltage output error within 0.1 Volts.The power system has a quiescent operating time of up to 10 hours and meets the development needs of design tasks.
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