Suzhou Electric Appliance Research Institute
期刊號： CN32-1800/TM| ISSN1007-3175

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空調(diào)負荷參與配電網(wǎng)光伏消納兩階段調(diào)度策略研究

來源：電工電氣發(fā)布時間：2021-12-16 10:16 瀏覽次數(shù)：503

空調(diào)負荷參與配電網(wǎng)光伏消納兩階段調(diào)度策略研究

方昊宸1，魯曉莉1，王文靜1，陳華明2，劉忠喜1
(1 江蘇科能電力工程咨詢有限公司，江蘇 南京 210003；
2 南京卓興輝電力工程咨詢有限公司，江蘇 南京 210006)
 
    摘 要：針對大規(guī)模光伏并網(wǎng)給配電網(wǎng)帶來的電網(wǎng)運行問題，考慮空調(diào)負荷的需求響應(yīng)能力，提出一種空調(diào)負荷參與配電網(wǎng)光伏消納的兩階段調(diào)度策略。第一階段，在微網(wǎng)層中，各空調(diào)負荷聚合商根據(jù)微網(wǎng)運營商在日前制定的光伏消納計劃，基于非合作博弈，共同進行市場投標，以確定日前調(diào)度計劃；第二階段，在配網(wǎng)層中，當微網(wǎng)自身無法完全消納光伏出力，功率返送主網(wǎng)，導致網(wǎng)絡(luò)中出現(xiàn)電壓越限時，電網(wǎng)公司利用空調(diào)負荷的需求響應(yīng)能力調(diào)節(jié)電壓。仿真分析結(jié)果表明，所提策略在提升光伏消納效果，調(diào)節(jié)配電網(wǎng)電壓的同時，還提高了空調(diào)負荷聚合商的收益，減少了微網(wǎng)運營商和電網(wǎng)公司的調(diào)控成本。
    關(guān)鍵詞：光伏消納；空調(diào)負荷；非合作博弈；電壓調(diào)節(jié)
    中圖分類號：TM615 ；TM715     文獻標識碼：A     文章編號：1007-3175(2021)12-0021-06
 
Two-Stage Scheduling Strategy of Air-Conditioning Load Participating in
Photovoltaic Absorption of Distribution Network
 
FANG Hao-chen1, LU Xiao-li1, WANG Wen-jing1, CHEN Hua-ming2, LIU Zhong-xi1
（1 Jiangsu Keneng Power Engineering Consulting Co.,Ltd, Nanjing 210003, China;
2 Nanjing Zhuoxinghui Power Engineering Consulting Co.,Ltd, Nanjing 210006, China）
 
    Abstract: This paper aims at the grid operation problems brought by large-scale photovoltaic connections to the distribution network. It proposes a two-stage scheduling strategy for air-conditioning load to participate in the photovoltaic absorption of distribution network, considering the regulation potential of air-conditioning load. In the first stage, in the micro-grid layer, each air-conditioning load aggregator made a market bid based on a non-cooperative game to determine the day-ahead scheduling plan according to the plan of photovoltaic absorption formulated by the micro-grid operator in the past. In the second stage, the power might return to the main network when the micro-grid in the distribution network layer cannot fully absorb the photovoltaic output. This situation could lead to an over-limit voltage phenomenon in the network. The power grid company adjusted the voltage by using the regulation potential of the air-conditioning load to solve this situation.The simulation results show that the strategy proposed in this paper enhanced the utilization of photovoltaic power and adjusted the distribution network voltage. Besides, the proposal improved the profit of the air-conditioning load aggregator and reduced the regulation cost of the micro-grid operators and the power grid company.
    Key words: photovoltaic absorption; air-conditioning load; non-cooperative game; voltage regulation
 
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