储能技术在送端电网中促进新能源消纳的容量需求分析
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摘要
我国新能源富集的"三北地区"弃风弃光现象严重,同时储能技术发展已逐步接近规模化应用水平。该文在分析影响新能源消纳问题的电网结构特性、储能技术应用发展方向与技术水平的基础上,基于电网可最大释放的新能源发电空间约束建立了以缩减弃风率与弃光率为目标的储能系统功率与容量配置的数学模型,结合储能投资成本与提升新能源消纳收益构成的投资收益比评估约束指标,提出了满足新能源消纳性能/投资成本比较优的储能容量需求计算方法,探索了储能提升新能源消纳能力的技术与经济可行性分析思路。以消纳风电和光伏为主的两省级电网为例,讨论了储能在送端电网中促进风电和光伏消纳应用中的作用及经济适用性,验证了该新能源消纳方案的可行性。
A mathematical model is established based on the analyses of energy storage technologies and the structural traits of a power grid for accommodating intermittent renewable resources,subject to constraints of the maximum amount of power the grid can release for the renewable generation and the reduction of wind wind/PV curtailments.The analyses consider energy storage system investment and return due to the increase of renewable energy related income.Two provincial power grids(which mainly accommodates wind and PV generation) are used as examples for the validation of analyses.
A mathematical model is established based on the analyses of energy storage technologies and the structural traits of a power grid for accommodating intermittent renewable resources,subject to constraints of the maximum amount of power the grid can release for the renewable generation and the reduction of wind wind/PV curtailments.The analyses consider energy storage system investment and return due to the increase of renewable energy related income.Two provincial power grids(which mainly accommodates wind and PV generation) are used as examples for the validation of analyses.
引文
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[14]DOE global energy storage database projects[EB/OL].2016-10-31.http://www.energystorageexchange.org/projects.
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[19]ZHENG Y,DONG Z Y,LUO F J,et al.Optimal allocation of energy storage system for risk mitigation of DISCOs with high renewable penetrations[J].IEEE Trans on Power System,2014,29(1):212-220.
[2]舒印彪,张智刚,郭剑波,等.新能源消纳关键因素及解决措施分析[J].中国电机工程学报,2017,37(1):1-8.SHU Yinbiao,ZHANG Zhigang,GUO Jianbo,et al.Study on key factors and solution of renewable energy accommodaton[J].Proceedings of the CSEE,2017,37(1):1-8.
[3]刘冰,张静,李岱昕,等.储能在发电侧调峰调频服务中的应用现状和前景分析[J].储能科学与技术,2016,5(6):909-914.LIU Bing,ZHANG Jing,LI Daixin,et al.Energy storage for peak shaving and frequency regulation in the front of meter:Progress and prospect[J].Energy Storage Science and Technology,2016,5(6):909-914.
[4]胡娟,杨水丽,侯朝勇,等.规模化储能技术典型示范应用的现状分析与启示[J].电网技术,2015,39(4):879-885.HU Juan,YANG Shuili,HOU Chaoyong,et al.Present condition analysis on typical demonstration application of large-scale energy storage technology and its enlightenment[J].Power System Technology,2015,39(4):879-885.
[5]中华人民共和国国家发展和改革委员会.关于进一步深化电力体制改革的若干意见[N].改革快讯.2015-03-15(1).
[6]能源局.推动电储能参与“三北”地区调峰辅助服务工作的通知[N].国际新能源网.2016-03-18(1).
[7]彭波,陈旭,徐乾耀,等.面向新能源消纳的电网规划方法初探[J].电网技术,2013,37(12):3386-3391.PENG Bo,CHEN Xu,XU Qianyao,et al.Preliminary research on power grid planning method aiming at accommodating new energy[J].Power System Technology,2013,37(12):3386-3391.
[8]曹阳,李鹏,袁越,等.基于时序仿真的新能源消纳能力分析及其低碳效益评估[J].电力系统自动化,2014,38(17):60-66.CAO Yang,LI Peng,YUAN Yue,et al.Analysis on accommodating capability of renewable energy and assessment on low-carbon benefits based on time sequence simulation[J].Automation of Electric Power Systems,2014,38(17):60-66.
[9]王鹏,马晓伟,任冲,等.基于甘肃新能源全网消纳的西北电网跨省辅助服务机制探讨[J].供用电,2016(9):79-84.WANF Peng,MA Xiaowei,REN Chong,et al.The study on the inter-provincial ancillary service mechanism to absorb the new energy of Gansu within the whole Northwest power grid[J].Distribution&Utilization,2016(9):79-84.
[10]李明,胡殿刚,周有学.基于“两个替代”战略的甘肃新能源就地消纳模式研究与实践[J].电网技术,2016,40(10):2991-2997.LI Ming,HU Diangang,ZHOU Youxue.“Research and practice of renewable energy local consumption mode in Gansu province based on Double Alternative strategy”[J].Power System Technology,2016,40(10):2991-2997.
[11]华夏,罗凡,张建华,等.促进新能源消纳的自备电厂发电权交易模式可行性探讨[J].电力系统自动化,2016,40(12):200-206.HUA Xia,LUO Fan,ZHANG Jianhua,et al.Feasibility analysis of trade mode promoting new energy consumption based on generation rights trade of self-generation power plants[J].Automation of Electric Power Systems,2016,40(12):200-206.
[12]马建胜.虚拟同步机将极大解决新能源消纳问题[N].中国电力报.2016-02-06(004).
[13]钟海旺,夏清,丁茂生,等.以直流联络线运行方式优化提升新能源消纳能力的新模式[J].电力系统自动化,2015,39(3):36-42.ZHONG Haiwang,XIA Qing,DING Maosheng,et al.A new mode of HVDC tie-line operation optimization for maximizing renewable energy accommodation[J].Automation of Electric Power Systems,2015,39(3):36-42.
[14]DOE global energy storage database projects[EB/OL].2016-10-31.http://www.energystorageexchange.org/projects.
[15]汪奂伶,侯朝勇,贾学翠,等.电化学储能系统标准对比分析[J].储能科学与技术,2016,5(4):583-589.WANG Huanling,HOU Chaoyong,JIA Xuecui,et al.An comparative analysis for electrochemical energy storage system standards[J].Energy Storage Science and Technology,2016,5(4):583-589.
[16]中关村储能产业技术联盟.储能产业研究白皮书2016[EB/OL].2017-02-09.http://www.cbea.com/u/cms/www/201607/05104116j3gt.pdf.
[17]BEARDSALL J C,GOULD C A,AL-TAI M.Energy storage systems:A review of the technology and its application in power systems[C]//Power Engineering Conference.IEEE,2015.
[18]金虹,衣进.当前储能市场和储能经济性分析[J].储能科学与技术,2012,1(2):103-111.JIN Hong,YI Jin.Market and economic analysis of the energy storage industry[J].Energy Storage Science and Technology,2012,1(2):103-111.
[19]ZHENG Y,DONG Z Y,LUO F J,et al.Optimal allocation of energy storage system for risk mitigation of DISCOs with high renewable penetrations[J].IEEE Trans on Power System,2014,29(1):212-220.