基于灰靶決策的含電轉(zhuǎn)氣綜合能源系統(tǒng)多目標(biāo)調(diào)度
吳宣儒,李萍,郝才成
(寧夏大學(xué) 物理與電子電氣工程學(xué)院,寧夏 銀川 750021)
摘 要:為了提高可再生能源的利用率,兼顧綜合能源系統(tǒng)的運行經(jīng)濟性及風(fēng)電、光伏消納等多個目標(biāo),建立了含電轉(zhuǎn)氣設(shè)備的電、氣、熱互聯(lián)的綜合能源系統(tǒng)調(diào)度模型。以綜合能源系統(tǒng)的運行成本、棄風(fēng)和棄光量最小為目標(biāo),利用多目標(biāo)模糊加權(quán)法將多目標(biāo)問題轉(zhuǎn)換為單目標(biāo)問題,并遍歷權(quán)值求解出帕累托解集,再根據(jù)熵值法的灰靶決策理論選擇兼顧運行經(jīng)濟性和可再生能源利用率的調(diào)度計劃。通過算例仿真,得出含電轉(zhuǎn)氣的綜合能源系統(tǒng)可以有效促進可再生能源消納。
關(guān)鍵詞:綜合能源系統(tǒng);多目標(biāo)調(diào)度;模糊加權(quán);灰靶決策;電轉(zhuǎn)氣
中圖分類號:TM714 文獻標(biāo)識碼:A 文章編號:1007-3175(2020)12-0001-06
Multi-Objective Dispatching of Integrated Energy System Containing Electricity to
Gas Based on Gray Target Decision-Making
WU Xuan-ru, LI Ping, HAO Cai-cheng
(School of Physics and Electrical Engineering, Ningxia University, Yinchuan 750021, China)
Abstract: In order to improve the utilization rate of renewable energy, take into account the operation economy of the integrated energy system and the consumption of wind power and photovoltaic power, a comprehensive energy system dispatch model with electricity, gas, and heat interconnection including electricity-to-gas equipment has been established. With the goal of minimizing the operating cost, wind abandonment and light abandonment of the integrated energy system, the multi-objective problem is converted into a single-objective problem using the multi-objective fuzzy weighting method, and the Pareto solution set is solved by traversing the weights, and then based on the entropy method the gray target decision-making theory chooses a dispatch plan that takes into account both operating economy and renewable energy utilization. Through simulation, it is concluded that the integrated energy system containing electricity to gas can effectively promote the consumption of renewable energy.
Key words: integrated energy system; multi-objective scheduling; fuzzy weighting; gray target decision-making; electricity to gas
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