一种分布式电源的DROOP控制方法

A DROOP Control Method for Distributed Power Supply

摘要: 分布式电源控制是实现微电网控制及可靠运行的前提。本文设计了一种分布式电源的DROOP控制方法，根据Droop典型微电源控制方法的基本原理，利用Matlab/Simulink仿真环境建立了仿真模型，通过仿真，验证了各模型的正确性和有效性。由仿真结果可知，电流内环能够实现无差跟踪调节；电压外环的动态响应能力更好，两者共同作用可使系统稳定性更好；在低频段时Z(S)呈现感性，而在高频段时呈现阻性，从而可以很好地实现Droop控制中的下垂特性，同时又会有一定抑制谐波的能力，最后通过分析，证明了本文控制参数取值的合理性以及有效性。

Abstract: Distributed power control is a prerequisite for microgrid control and reliable operation. In this paper, a DROOP control method of distributed power supply is designed. According to the basic principle of Droop typical micro power control method, the simulation model is established by Matlab/Simulink simulation environment. The correctness and validity of each model are verified by simulation. It can be seen from the simulation results that the inner loop of the current can achieve the difference tracking regulation. The dynamic response of the outer ring is better, both of which can make the system better stability; Z(S) is in the low frequency band, frequency, which can be very good to achieve Droop control in the sagging characteristics, while there will be a certain ability to suppress the harmonic, and finally through the analysis, it proved the control parameters of the rationality of the value and effectiveness.