含分布式供能设备的综合能源系统规划评价
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摘要
综合能源系统作为能源领域发展趋势,对其进行综合评估,在规划阶段进行方案优选,保证最大化能源利用效率以及供能系统安全稳定运行,具有至关重要的意义。文章从可靠性、经济性、环保性角度出发,以热电联供系统为例,综合考虑电网、热网特性建立了综合能源系统评价体系。鉴于评价指标量纲不同以及指标优劣的模糊性,采用模糊综合评价法对指标进行模糊变换,通过反熵权法确定权重,针对不同的用户供能设备配置方案,将评价矩阵转换为综合评分。通过算例验证了所提评价体系的可行性和有效性,并给出了不同设备的配置建议。结果表明,小型燃气锅炉不宜在热电联供系统中进行配置,分布式光伏和电热水锅炉可显著提升系统性能,并且提升的幅度存在边际效应。
Integrated energy system becomes future trend of energy field. It is vital to optimize the scheme in the planning stage to ensure the maximal energy efficiency and the safe and stable operation of energy supply system. Evaluation system of integrated energy system is established from the aspects of reliability,economic and environmental capabilities,combining properties of distribution network and heating network. Due to the dimension and illegibility of indices,the fuzzy comprehensive evaluation is applied to conduct index fuzzy transform. The weight is determined by anti-entropy weight method,which converts appraisal matrix into comprehensive score,the feasibility and validity of evaluation system is proved through case study and device configuration is proposed. Result indicates that mini gas boilers don't suit CHP system when distributed PVs and electric boilers suit it well.
Integrated energy system becomes future trend of energy field. It is vital to optimize the scheme in the planning stage to ensure the maximal energy efficiency and the safe and stable operation of energy supply system. Evaluation system of integrated energy system is established from the aspects of reliability,economic and environmental capabilities,combining properties of distribution network and heating network. Due to the dimension and illegibility of indices,the fuzzy comprehensive evaluation is applied to conduct index fuzzy transform. The weight is determined by anti-entropy weight method,which converts appraisal matrix into comprehensive score,the feasibility and validity of evaluation system is proved through case study and device configuration is proposed. Result indicates that mini gas boilers don't suit CHP system when distributed PVs and electric boilers suit it well.
引文
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[3]李更丰,别朝红,王睿豪,等.综合能源系统可靠性评估的研究现状及展望[J].高电压技术,2017,43(1):114-121.Li Gengfeng,Bie Zhaohong,Wang Ruihao,et al. Research Status and Prospects on Reliability Evaluation of Integrated Energy System[J].Gaodianya Jishu/High Voltage Engineering,2017,43(1):114-121.
[4]曾鸣,刘道新,等.综合能源系统的关键经济问题研究[J].华东电力,2013,41(7):1403-1408.Zeng Ming,Liu Daoxin,et al. Key Economic Issues in Integrated Energy System[J]. East China Electric Power,2013,41(7):1403-1408.
[5]柳川,王宇拓,等.含冷热电联供系统微电网优化运行研究[J].电测与仪表,2015,52(2):31-37.Liu Chuan,Wang Yutuo,et al. Research on the economical operation of the micro-grid with CCHP[J]. Electrical Measurement&Instrumentation,2015,52(2):31-37.
[6]戚建文,任建文,等.冷热电联供微网环保经济调度研究[J].电测与仪表,2016,53(16):90-95.Qi Jianwen,Ren Jianwen,et al. Study on environmental and economic dispatching of combined cooling,heating and power micro-grid[J]. Electrical Measurement&Instrumentation,2016,53(16):90-95.
[7]管霖,陈鹏,等.考虑冷热电存储的区域综合能源站优化设计方法[J].电网技术,2016,40(10):2934-2941.Guan Lin,Chen Peng,et al. Integrated energy station design considering cold and heat storage[J]. Power System Technology,2016,40(10):2934-2941.
[8] DLT 256-2012,城市电网供电安全标准[S].
[9]批准部门:中华人民共和国住房和城乡建设部.城镇供热管网设计规范[M].中国建筑工业出版社,2010.
[10]张海瑞,韩冬,刘玉娇,等.基于反熵权法的智能电网评价[J].电力系统保护与控制,2012,40(11):24-29.Zhang Hairui,Han Dong,Liu Yujiao,et al. Smart grid evaluation based on anti-entropy weight method[J]. Power System Protection&Control,2012,40(11):24-29.
[11]Allan R N,Billinton R,Sjarief I,et al. A reliability test system for educational purposes-basic distribution system data and results[J]. IEEE Transactions on Power Systems,2002,6(2):813-820.
[12]王威.基于可靠性的热网结构及其输送备用能力的研究[D].哈尔滨:哈尔滨工业大学,2008.Wang Wei. Study on heat-supply network structure and its ability of spare-transportation based on reliability[D]. Harbin:Harbin Institute of Technology,2008.
[13]COWI. Technology data for energy plants[R]. Denmark:Danish Energy Agency,2013.