綠證碳交易下考慮系統(tǒng)靈活性的源荷協(xié)調(diào)優(yōu)化調(diào)度
湯明慧,董學(xué)育,朱建忠
(南京工程學(xué)院 電力工程學(xué)院,江蘇 南京 211100)
摘 要 :能源結(jié)構(gòu)的多元化趨勢(shì)以及可再生能源與負(fù)荷的頻繁波動(dòng),對(duì)綜合能源系統(tǒng)的穩(wěn)定運(yùn)營(yíng)造 成巨大威脅。提出一種在綠證碳交易下考慮系統(tǒng)靈活性的源荷協(xié)調(diào)優(yōu)化調(diào)度方法,在供能端引入有機(jī)朗 肯循環(huán)技術(shù),利用余熱進(jìn)行發(fā)電,從而擺脫熱電聯(lián)產(chǎn)機(jī)組傳統(tǒng)上“以熱定電”的限制,提高熱電聯(lián)產(chǎn)機(jī) 組靈活性能力以及熱電需求響應(yīng)交互能力;考慮系統(tǒng)負(fù)荷和可再生能源的波動(dòng)性和不確定性,構(gòu)建了靈 活性需求模型。為提升可再生能源消納和降低碳排放,引入綠證碳交易機(jī)制,結(jié)合系統(tǒng)靈活性需求的源 荷協(xié)同優(yōu)化調(diào)度策略,設(shè)計(jì)了四種不同方案進(jìn)行模擬驗(yàn)證,提升了系統(tǒng)經(jīng)濟(jì)性和可再生能源消納能力。
關(guān)鍵詞 : 源荷協(xié)調(diào) ;需求響應(yīng) ;靈活性需求 ;綠證碳交易 ;可再生能源消納 ;熱電聯(lián)產(chǎn)機(jī)組
中圖分類號(hào) :TM715 ;TM734 文獻(xiàn)標(biāo)識(shí)碼 :A 文章編號(hào) :1007-3175(2024)12-0068-09
Source-Load Coordination and Optimal Scheduling Considering System Flexibility Under Green Certificate Carbon Trading
TANG Ming-hui, DONG Xue-yu, ZHU Jian-zhong
(School of Electric Power Engineering, Nanjing Institute of Technology, Nanjing 211100, China)
Abstract: The diversification of the energy structure and the frequent fluctuations in renewable energy sources and loads pose a great threat to the stable operation of the integrated energy system. This paper proposes a source-load coordination and optimization scheduling method considering the flexibility of the system under the green certificate carbon trading, and introduces the organic Rankine cycle technology at the energy supply end to use waste heat for power generation, so as to get rid of the traditional limitation of“heat to determine electricity”of cogeneration units, and improve the flexibility of cogeneration units and the interaction ability of heat and power demand response. Considering the fluctuation and uncertainty of system load and renewable energy, a flexible demand model is constructed. In order to improve the consumption of renewable energy and reduce carbon emissions, the green certificate carbon trading mechanism was introduced, and four different schemes were designed for simulation and verification based on the source-load coordination and optimal scheduling strategy required by the flexibility of the system, which improved the system economy and the capacity of renewable energy consumption.
Key words: source-load coordination; demand response; flexibility demand; green certificate carbon trading; renewable energy consumption; cogeneration unit
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