分散式電采暖負荷協(xié)同優(yōu)化運行策略
發(fā)布時間:2018-01-24 18:41
本文關(guān)鍵詞: 智能用電 電采暖 負荷調(diào)度 需求響應 出處:《電力系統(tǒng)自動化》2017年19期 論文類型:期刊論文
【摘要】:分散式的電采暖負荷是一種典型的熱儲能設(shè)備,功率較大,電能產(chǎn)出的熱量具有滯后性和存儲性,現(xiàn)有運行方式單一且僅針對單個設(shè)備,無法實現(xiàn)區(qū)域范圍內(nèi)電采暖負荷的協(xié)同優(yōu)化。針對上述問題,文中首先提出了智能電暖網(wǎng)絡的概念、架構(gòu)以及衡量該網(wǎng)絡運行效果的優(yōu)化指標。其次,提出了智能電暖網(wǎng)絡的確定性優(yōu)化運行模型,該模型首先在保證最大功率限制的約束下,求解可達到的最大舒適度;再將最大的舒適度作為約束,尋求使運行電費最小化的運行策略。進而,在等效熱參數(shù)模型的基礎(chǔ)上引入溫度波動不確定量,構(gòu)建了確定性模型對應的魯棒優(yōu)化模型。算例分析表明,相比現(xiàn)有的實時溫控策略,確定性優(yōu)化策略可有效控制尖峰負荷,明顯提高溫度效用,降低運行電費;魯棒優(yōu)化策略比確定性優(yōu)化策略更好地保證了用戶舒適度,但運行電費略有升高。所提優(yōu)化策略充分響應峰谷電價,在實現(xiàn)經(jīng)濟運行的同時,可以間接響應電網(wǎng)削峰填谷。
[Abstract]:Distributed electric heating load is a kind of typical thermal energy storage equipment, which has a large power, and the heat produced by electric energy has hysteresis and storage. The current operation mode is single and only for a single device. The cooperative optimization of electric heating load in the area can not be realized. Aiming at the above problems, the concept, architecture and optimization index of the intelligent electric heating network are put forward in this paper. Secondly, the optimization index of the network operation effect is put forward. The deterministic optimal operation model of intelligent electric heating network is proposed. Firstly, under the constraint of the maximum power limit, the maximum comfort can be obtained. Then the maximum comfort is taken as the constraint to find the operation strategy to minimize the electricity cost. Furthermore, the uncertainty of temperature fluctuation is introduced on the basis of the equivalent thermal parameter model. The robust optimization model corresponding to the deterministic model is constructed. The example analysis shows that the deterministic optimization strategy can effectively control the peak load, improve the temperature utility and reduce the running electricity cost compared with the existing real-time temperature control strategy. The robust optimization strategy is better than the deterministic optimization strategy to ensure the comfort of the user, but the electricity cost is slightly higher. The proposed optimization strategy fully responds to the peak and valley price, and realizes the economic operation at the same time. It can indirectly respond to the peak of the grid and fill the valley.
【作者單位】: 電力傳輸與功率變換控制教育部重點實驗室(上海交通大學);上海交通大學電子信息與電氣工程學院;中國電力科學研究院;國網(wǎng)上海市電力公司電力調(diào)度控制中心;
【基金】:國家電網(wǎng)公司科技項目“主動配電系統(tǒng)前瞻技術(shù)研究”~~
【分類號】:TM73
【正文快照】: 4.國網(wǎng)上海市電力公司電力調(diào)度控制中心,上海市200122)上網(wǎng)日期:2017-08-08。0引言冬季供暖是中國北方居民的基本生活需求,長久以來大多采用以燃煤為原料的集中式供暖。然而,近年來以PM2.5為主的霧霾已嚴重影響生產(chǎn)生活與人體健康。文獻[1]對北京市近5年的統(tǒng)計數(shù)據(jù)進行分析,結(jié),
本文編號:1460741
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