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以飞机变频发电系统为应用背景,分析了发电系统的结构和调压器的性能需求,提出了数字调压器的设计方法。对比分析了瞬时采样和积分法采样算法,确定出数字调压器的采样算法,使用MAST语言编写数值积分计算信号均方根值模板,对数字调压器的采样进行仿真验证。通过对模拟调压器控制函数的分析,得出数字式调压器的控制算法。最后,在仿真软件Saber中搭建数字调压器的仿真模型,在不同转速、不同频率的条件下对系统进行突加和突卸负载实验,通过对波形的分析,发现了其满足交流电压瞬变极限的要求。
Taking the aircraft frequency conversion power generation system as the application background, the structure of the power generation system and the performance requirements of the voltage regulator are analyzed, and the design method of the digital voltage regulator is put forward. The sampling algorithm of instantaneous sampling and integration method is compared and analyzed. The sampling algorithm of digital voltage regulator is determined, and the numerical integral of signal sampling is calculated by using MAST language to verify the sampling of digital voltage regulator. By analyzing the control function of analog voltage regulator, the control algorithm of digital voltage regulator is obtained. Finally, a simulation model of digital regulator is set up in the simulation software Saber. The system is subjected to sudden and sudden load experiments under different rotational speeds and different frequencies. Based on the waveform analysis, it is found that the AC voltage transient Limit requirements.