【摘要】：經(jīng)濟(jì)運(yùn)行、頻率和電壓控制及系統(tǒng)穩(wěn)定性是微電網(wǎng)實(shí)時(shí)控制的主要內(nèi)容�；诙嘀悄荏w系統(tǒng)一致性協(xié)議,提出了一種分層分布的實(shí)時(shí)優(yōu)化策略。首先,在僅考慮分布式電源出力約束的條件下,應(yīng)用一階一致性實(shí)現(xiàn)對(duì)分布式電源有功出力的控制,優(yōu)化運(yùn)行成本;其次,針對(duì)下垂控制特性,提出了一種新的二階一致性協(xié)議,用于實(shí)現(xiàn)分布式電源功率的精確控制;最后,應(yīng)用一致性協(xié)議實(shí)時(shí)協(xié)調(diào)分布式電源的下垂參數(shù),實(shí)現(xiàn)了系統(tǒng)頻率和電壓的優(yōu)化。通過(guò)Lyapunov直接法對(duì)所提策略進(jìn)行穩(wěn)定性分析,證明系統(tǒng)是漸進(jìn)穩(wěn)定的。仿真分析及結(jié)果驗(yàn)證了所提策略的有效性。
[Abstract]:The economic operation, frequency and voltage control and system stability are the main contents of the real-time control of the micro-power grid. Based on the agreement of the multi-agent system, a real-time optimization strategy for hierarchical distribution is proposed. First, under the condition that only the output of the distributed power supply is considered, the first order consistency is applied to control the active output of the distributed power supply, and the operation cost is optimized; secondly, aiming at the sag control characteristic, a new second-order consistency protocol is proposed, And finally, a consistency protocol is applied to coordinate the droop parameters of the distributed power supply in real time, and the system frequency and the voltage optimization are realized. The stability analysis of the proposed strategy is carried out by Lyapunov direct method, and it is proved that the system is gradual and stable. The simulation analysis and the results verify the validity of the proposed strategy.
【作者單位】： 上海交通大學(xué)電子信息與電氣工程學(xué)院;廣州供電局有限公司;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(51577115) 國(guó)家重點(diǎn)研發(fā)計(jì)劃資助項(xiàng)目(2016YFB0901300)~~
【分類號(hào)】：TM727

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