基于蓄热式电锅炉电-热时移特性的弃风消纳方案经济性分析
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摘要
针对我国"三北"地区冬季供暖期弃风量巨大的问题,本文在分析蓄热式电锅炉电-热时移特性的基础上,考虑供暖期风电弃风特性及其与负荷的相关性,以及供热面积、弃风电量和供热电价等因素,提出了基于蓄热式电锅炉和蓄热式电锅炉-热电联产的2种风电供热组合方案;从用户侧角度,建立了考虑社会综合收益的弃风消纳组合供热方案模型。计算结果表明,本文方案能够在低谷时段消纳更多弃风,随着风电供热成本的降低,本文2种方案的经济性均优于常规供热方案,而低谷电价降低程度的不同会改变本文方案的择优采用结果。
Aiming at the issue of a huge amount of wind power abandonment in winter heating period in the "Three North regions" in China, two wind power heating schemes, based on regenerative electric boiler(REB)and REB with combined heat and power generation(CHP), were proposed, by analyzing the electric-thermal time shift characteristics of the REB and taking into account the characteristics of abandoned wind power and its correlation with the load, as well as factors such as heating area, abandoned wind power and heating power price.From the perspective of the user side, a model of abandoned wind consumptive combination heating scheme that considers comprehensive social benefits was established. The results show that, the proposed schemes can consume more winds during low power output periods. With the reduction of wind power heating cost, the economy of the proposed schemes will be superior to the conventional heating schemes, and the difference of reduction degrees of electricity price during low power output periods will change the preferential consequence.
Aiming at the issue of a huge amount of wind power abandonment in winter heating period in the "Three North regions" in China, two wind power heating schemes, based on regenerative electric boiler(REB)and REB with combined heat and power generation(CHP), were proposed, by analyzing the electric-thermal time shift characteristics of the REB and taking into account the characteristics of abandoned wind power and its correlation with the load, as well as factors such as heating area, abandoned wind power and heating power price.From the perspective of the user side, a model of abandoned wind consumptive combination heating scheme that considers comprehensive social benefits was established. The results show that, the proposed schemes can consume more winds during low power output periods. With the reduction of wind power heating cost, the economy of the proposed schemes will be superior to the conventional heating schemes, and the difference of reduction degrees of electricity price during low power output periods will change the preferential consequence.
引文
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[25]北京市环境保护局.关于完善北京城镇居民“煤改电”“煤改气”相关政策的意见[EB/OL].http://www.bjepb.gov.cn/bjhrb/xxgk/fgwj/qtwj/hbjfw/604463/index.html.Beijing Municipal Environment Protection Bureau.Suggestions on improving the policy of“coal to electricity”and“coal to gas”in Beijing urban residents[EB/OL].[2016-06-20].http://www.bjepb.gov.cn/bjhrb/xxgk/fgwj/qtwj/hbjfw/604463/index.html.
[2]国家能源局.2017年风电并网运行情况[EB/OL].[2018-02-01].http://www.nea.gov.cn/201802/01/c_136942234.htm.National Energy Administration.Wind power grid operation in the first half of 2017[EB/OL].[2018-02-01].http://www.nea.gov.cn/2018-02/01/c_136942234.htm.
[3]李春山,任普春,吴姜.扎鲁特直流对吉林省风电消纳影响研究[J].东北电力大学学报,2018,38(6):1-8.LI Chunshan,REN Puchun,WU Jiang.The study on the impact of wind power consumption in Jilin province from Zhalute DC[J].Journal of Northeast Dianli University,2018,38(6):1-8.
[4]刘吉臻.大规模新能源电力安全高效利用基础问题[J].中国电机工程学报,2013,33(16):1-8.LIU Jizhen.Basic issues of the utilization of large-scale renewable power with high security and efficiency[J].Proceedings of the CSEE,2013,33(16):1-8.
[5]朱凌志,陈宁,韩华玲.风电消纳关键问题及应对措施分析[J].电力系统自动化,2011,35(22):29-34.ZHU Lingzhi,CHEN Ning,HAN Hualing.Key problems and solutions of wind power accommodation[J].Automation of Electric Power Systems,2011,35(22):29-34.
[6]吕泉,王伟,韩水,等.基于调峰能力分析的电网弃风情况评估方法[J].电网技术,2013(7):1887-1894.LV Quan,WANG Wei,HAN Shui,et al.A new evaluation method for wind power curtailment based on analysis of system regulation capability[J].Power System Technology,2013(7):1887-1894.
[7]刘波,贺志佳,金昊.风力发电现状与发展趋势[J].东北电力大学学报,2016(2):7-13.LIU Bo,HE Zhijia,JIN Hao.Wind power status and development trends[J].Journal of Northeast Dianli University,2016(2):7-13.
[8]国家能源局综合司.国家能源局综合司关于开展风电清洁供暖工作的通知(国能综新能[2015]306号)[EB/OL].[2015-06-05].http://zfxxgk.nea.gov.cn/auto87/201506/t20150615_1938.htm.Comprehensive Department of National Energy Administration.Notice on the work of clean heating using wind power(No.306,2015)[EB/OL].[2015-06-05].http://zfxxgk.nea.gov.cn/auto87/201506/t20150615_1938.htm.
[9]王建强.中电投内蒙古四子王旗风电供热项目介绍及示范作用[J].华电技术,2014,36(7):32-33.WANG Jianqiang.Introduction of CPI inner Mongolia Siziwang banner wind power heat supply project and its demonstration effect[J].Huadian Technology,2014,36(7):32-33.
[10]王彩霞,李琼慧,谢国辉.风电供热提高低谷风电消纳能力评估[J].中国电力,2013,46(12):100-106.WANG Caixia,LI Qionghui,XIE Guohui.Evaluation of wind power heating in facilitating wind power integration capability during valley load period[J].Electric Power,2013,46(12):100-106.
[11]许梦莹,蒋东翔.风电供热系统的能源利用率和经济性分析[J].可再生能源,2015,37(8):42-47.XU Mengying,JIANG Dongxiang.Energy efficiency and economic analysis of wind power heating system[J].Renewable Energy Resources,2015,37(8):42-47.
[12]DIANA B,MARIO G,MYRTO T,et al.Control power provision with power-to-heat plants in systems with high shares of renewable energy sources:an illustrative analysis for Germany based on the use of electric boilers in district heating grids[J].Energy,2015(82):157-167.
[13]郑国太,李昊,赵宝国,等.基于供需能量平衡的用户侧综合能源系统电/热储能设备综合优化配置[J].电力系统保护与控制,2018,46(16):8-18.ZHENG Guotai,LI Hao,ZHAO Baoguo,et al.Comprehensive optimization of electrical/thermal energy storage equipments for integrated energy system near user side based on energy supply and demand balance[J].Power System Protection and Control,2018,46(16):8-18.
[14]陈磊,徐飞,王晓,等.储热提升风电消纳能力的实施方式及效果分析[J].中国电机工程学报,2015,35(17):4283-4290.CHEN Lei,XU Fei,WANG Xiao,et al.Implementation and effect of thermal storage in improving wind power accommodation[J].Proceedings of the CSEE,2015,35(17):4283-4290.
[15]徐飞,闵勇,陈磊,等.包含大容量储热的电-热联合系统[J].中国电机工程学报,2014,34(29):5063-5072.XU Fei,MIN Yong,CHEN Lei,et al.Combined electricity-heat operation system containing large capacity thermal energy storage[J].Proceedings of the CSEE,2014,34(29):5063-5072.
[16]吕泉,李玲,朱全胜,等.三种弃风消纳方案的节煤效果与国民经济性比较[J].电力系统自动化,2015,39(7):75-83.LV Quan,LI Ling,ZHU Quansheng,et al.Comparison of coal-saving effect and national economics indices of three feasible curtailed wind power accommodating strategies[J].Automation of Electric Power Systems,2015,39(7):75-83.
[17]贺惠民,王海燕,任杰,等.利用风电弃风电量进行电能替代冬季供热的可行性研究[J].华北电力技术,2016(1):1-5.HE Huimin,WANG Haiyan,REN Jie,et al.Study on wind power accommodation by using curtailed wind power to heat for power alternative[J].North China Electric Power,2016(1):1-5.
[18]孙勇,严干贵,郑太一,等.电力市场背景下蓄热式电采暖消纳弃风的经济性分析[J].储能科学与技术,2016,5(4):532-538.SUN Yong,YAN Gangui,ZHENG Taiyi,et al.Economic analysis of electrical heating with heat storage using grid integrated wind power[J].Energy Storage Science and Technology,2016,5(4):532-538.
[19]崔杨,陈志,严干贵,等.基于含储热热电联产机组与电锅炉的弃风消纳协调调度模型[J].中国电机工程学报,2016,36(15):4072-4080.CUI Yang,CHEN Zhi,YAN Gangui,et al.Coordinated wind power accommodating dispatch model based on electric boiler and CHP with thermal energy storage[J].Proceedings of the CSEE,2016,36(15):4072-4080.
[20]吉林省人民政府.吉林省人民政府办公厅转发省能源局等部门关于推进电能清洁供暖实施意见的通知(吉政办发[2017]49号)[EB/OL].[2016-06-20].http://xxgk.jl.gov.cn/szf/gkml/201706/t20170623_2500165.html?from=timeline&isappinstalled=0.People’s Government of Jilin Province.Notice on advancing the implementation of energy clean heating(No.49,2017)[EB/OL].[2016-06-20].http://xxgk.jl.gov.cn/szf/gkml/201706/t 20170623_2500165.html?from=timeline&isappinstalled=0.
[21]河北省发改委.关于征求《张家口风电供暖实施方案》意见的函[EB/OL].[2016-06-20].http://www.hbdrc.gov.cn/web/web/nyj_xnyc_gzdt/4028818b5bae62e1015 bd72b9bc75d3f.ht.Hebei Development and Reform Commission.Letter on the consultation on the implementation plan of Zhangjiakou wind power heating[EB/OL].[2016-06-20].http://www.hbdrc.gov.cn/web/web/nyj_xnyc_gzdt/4028818b5bae62e1015bd72b9bc75d3f.ht.
[22]北京市煤气热力工程设计院.城市热力网设计规范:CJJ 34-2010[S].北京:中国建筑工业出版社,2010:21-30.Beijing Gas and Heating Engineering Design Institute.Design code of district heating network:CJJ 34-2010[S].Beijing:China Architecture&Building Press,2010:21-30.
[23]严干贵,刘嘉,崔杨,等.利用储能提高风电调度入网规模的经济性评价[J].中国电机工程学报,2013,33(22):45-52.YAN Gangui,LIU Jia,CUI Yang,et al.Economic evaluation of improving the wind power scheduling scale by energy storage system[J].Proceedings of the CSEE,2013,33(22):45-52.
[24]国家发改委.中国电煤价格指数[EB/OL].[2016-06-20].http://jgjc.ndrc.gov.cn/zgdmjgzs.aspx?clm Id=syjgzs6.National Development and Reform Commission.China coal electricity price index[EB/OL].[2016-06-20].http://jgjc.ndrc.gov.cn/zgdmjgzs.aspx?clmId=syjgzs6.
[25]北京市环境保护局.关于完善北京城镇居民“煤改电”“煤改气”相关政策的意见[EB/OL].http://www.bjepb.gov.cn/bjhrb/xxgk/fgwj/qtwj/hbjfw/604463/index.html.Beijing Municipal Environment Protection Bureau.Suggestions on improving the policy of“coal to electricity”and“coal to gas”in Beijing urban residents[EB/OL].[2016-06-20].http://www.bjepb.gov.cn/bjhrb/xxgk/fgwj/qtwj/hbjfw/604463/index.html.