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在介绍某型恒频交流电源频率调节环路的组成和工作原理的基础上,分析了频率调节环路各组成部分的数学模型,建立了频率调节环路总的数学模型。文章重点讨论了某型发动机在中转速中负载状态下,改变滤波整形放大电路频率调节环路前向通道和反馈通道参数对系统动静态特性产生的影响。利用MATLAB仿真工具对系统进行了变参数仿真,得出了相应的仿真曲线,并对仿真结果进行了动静态特性分析。该仿真结果具有很好的应用价值。
Based on the introduction of the composition and working principle of the frequency regulation loop of a constant frequency AC power supply, the mathematical models of the components of the frequency regulation loop are analyzed and the mathematical model of the frequency regulation loop is established. This paper focuses on the influence of changing the parameters of forward channel and feedback channel on the dynamic and static characteristics of a system under the load condition of a certain type of engine at mid-speed, changing the frequency adjustment loop of the filter shaping amplifier circuit. The simulation parameters of the system were simulated by MATLAB simulation tool, the corresponding simulation curves were obtained, and the dynamic and static characteristics of the simulation results were analyzed. The simulation results have good application value.