基于PWM控制并聯(lián)型APF的MATLAB仿真研究

分析了并聯(lián)型有源電力濾波器的基本工作原理、系統(tǒng)結(jié)構(gòu)和PWM控制的基本原理，采用基于瞬時無功功率理論的改進型ip-iq電流檢測算法，建立了基于MATLAB仿真軟件中電力系統(tǒng)仿真工具箱的PWM控制的并聯(lián)型有源電力濾波器的仿真模型，并進行了仿真研究，給出了應(yīng)用并聯(lián)型有源電力濾波器抑制典型非線性諧波電流源負(fù)載對電網(wǎng)諧波電流污染的仿真模型，論述了連接電抗器值的大小對補償裝置性能的影響，
通過仿真實驗研究，結(jié)果證實了所提方案的正確性和可行性。
關(guān)鍵詞：并聯(lián)型有源電力濾波器；脈寬調(diào)制；連接電抗器；瞬時無功功率理論；改進型ip-iq法
ABSTRACT: Analyzed the fundamental principle, system structure and PWM control theory of shunt active power filter, used improved ip-iq current detector method of instantaneous reactive power theory, built and simulated the simulation model of shunt active power filter with PWM control based on MATLAB SimPowerSystems, gave simulation model of using shunt active power filter to suppress the harmonic current pollution of typical nonlinear harmonic current source load to the network, discussed the effect of linked reactor
value on the compensation equipment function, by experiment of silulation, in a result, approved the correctness and feasibility of the project.
KEY WORDS: shunt active power filter; pulse width modulation; linked reactor; instantaneous reactive power theory; improved ip-iq method