【摘要】：考慮到并網(wǎng)逆變器與有源電力濾波器在拓?fù)浣Y(jié)構(gòu)、使用功能以及控制方法上的相似性,提出了一種將并網(wǎng)發(fā)電與電力有源濾波相結(jié)合的統(tǒng)一控制策略。在詳細(xì)分析統(tǒng)一控制系統(tǒng)結(jié)構(gòu)與工作原理的基礎(chǔ)上,從諧波與無功電流檢測、電壓與電流控制等方面進(jìn)行分析設(shè)計,實現(xiàn)了在dq旋轉(zhuǎn)坐標(biāo)系下對系統(tǒng)的統(tǒng)一控制。該控制策略使并網(wǎng)逆變器在并網(wǎng)發(fā)電的同時也能進(jìn)行諧波抑制與無功補償,不僅充分發(fā)揮了分布式發(fā)電的優(yōu)越性,而且改善了電網(wǎng)的電能質(zhì)量。最后通過仿真驗證了該控制策略的有效性與可行性。
[Abstract]:Considering the similarity of topology, function and control method between grid-connected inverter and active power filter, a unified control strategy combining grid-connected power generation with active power filter is proposed. Based on the detailed analysis of the structure and working principle of the unified control system, this paper analyzes and designs the harmonic and reactive current detection, voltage and current control, and realizes the unified control of the system in the dq rotating coordinate system. The control strategy enables the grid-connected inverter to perform harmonic suppression and reactive power compensation in addition to grid-connected generation. This strategy not only gives full play to the advantages of distributed generation, but also improves the power quality of the power network. Finally, the effectiveness and feasibility of the control strategy are verified by simulation.
【作者單位】： 遼寧工程技術(shù)大學(xué);許繼集團(tuán)有限公司;
【分類號】：TM761

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