考虑核电调峰的风电-核电协调优化调度
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摘要
针对沿海地区含陆上风电、海上风电和核电电力系统,研究了考虑核电调峰的风核协调调度问题。基于风电出力特性和核电调峰特性,分析风电和核电调峰的匹配性;以经济调度为原则,计及核电机组运行约束、弃风成本和核电调峰成本,建立风核协调调度模型,并提出细分核电调峰深度的方法来线性化核电调峰约束。算例分析验证了所提模型和方法的有效性,结果表明:风电出力与核电调峰特性相匹配,且风核协调调度可兼顾调峰灵活性和调峰成本,提高了含风电和核电系统的调度经济性,并使弃风减少;核电机组采用日负荷跟踪模式参与日调峰,并采用细分核电调峰深度方法精确优化核电出力,可有效降低系统总运行成本。
Aiming at the power system of coastal areas with onshore wind power, offshore wind power and nuclear power, the coordinated scheduling problem of wind-nuclear power was studied. Based on the characteristics of wind power and the peak load shaving of nuclear power, the matching of wind power and nuclear power peak load shaving was analyzed.According to the principle of economic dispatch, a coordinated dispatch model of wind-nuclear power was established, and the method of subdividing the depth of peak load shaving was proposed to linearize the constraint of nuclear power.Effectiveness of the proposed model and method was verified by a numerical example. The results show that the wind power output is matched with the peak load shaving of nuclear power,and the coordinated dispatch of wind-nuclear power can give consideration to the flexibility and cost of peak load shaving,which improve the dispatching economy and reduce the curtailment of wind power. Furthermore, the nuclear power unit adopts the load following mode to participate in daily peak load shaving, and uses the proposed method to optimize the nuclear power output, which can effectively reduce the total operation cost.
Aiming at the power system of coastal areas with onshore wind power, offshore wind power and nuclear power, the coordinated scheduling problem of wind-nuclear power was studied. Based on the characteristics of wind power and the peak load shaving of nuclear power, the matching of wind power and nuclear power peak load shaving was analyzed.According to the principle of economic dispatch, a coordinated dispatch model of wind-nuclear power was established, and the method of subdividing the depth of peak load shaving was proposed to linearize the constraint of nuclear power.Effectiveness of the proposed model and method was verified by a numerical example. The results show that the wind power output is matched with the peak load shaving of nuclear power,and the coordinated dispatch of wind-nuclear power can give consideration to the flexibility and cost of peak load shaving,which improve the dispatching economy and reduce the curtailment of wind power. Furthermore, the nuclear power unit adopts the load following mode to participate in daily peak load shaving, and uses the proposed method to optimize the nuclear power output, which can effectively reduce the total operation cost.
引文
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[20]徐帆,刘军,张涛,等.考虑抽水蓄能机组的机组组合模型及求解[J].电力系统自动化,2012,36(12):36-40.Xu Fan,Liu Jun,Zhang Tao,et al.Unit commitment problem with pumped-storage units[J].Automation of Electric Power Systems,2012,36(12):36-40(in Chinese).
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[2]国家能源局.风电发展“十三五”规划[R].北京:国家能源局,2016.National Energy Administration of China.The 13th Five-Year Plan for wind power development[R].Beijing:National Energy Administration of China,2016(in Chinese).
[3]国家发展与改革委员会.国家核电中长期发展规划(2005-2020年)[R].北京:国家发展与改革委员会,2007.Development and Innovation Committee of China.Medium-to-long term development programming of nuclear power(2005-2020)[R].Beijing:Development and Innovation Committee of China,2007(in Chinese).
[4]刘文颖,文晶,谢昶,等.考虑风电消纳的电力系统源荷协调多目标优化方法[J].中国电机工程学报,2015,35(5):1079-1088.Liu Wenying,Wen Jing,Xie Chang,et al.Multi-objective optimal method considering wind power accommodation based on source-load coordination[J].Proceedings of the CSEE,2015,35(5):1079-1088(in Chinese).
[5]Wang Caixia,Lu Zongxiang,Qiao Ying.A consideration of the wind power benefits in day-ahead scheduling of wind-coal intensive power systems[J].IEEE Transactions on Power Systems,2013,28(1):236-245.
[6]Lokhov A.Technical and economic aspects of load following with nuclear power plants[Z].Paris,France:OECD/NEA,2011.
[7]Cany C,Mansilla C,Mathonnière G,et al.Nuclear power supply:going against the misconceptions.Evidence of nuclear flexibility from the French experience[J].Energy,2018,151:289-296.
[8]赵洁,刘涤尘,杨楠,等.核电机组参与电网调峰的运行方式及效益分析[J].电网技术,2012,36(12):250-255.Zhao Jie,Liu Dichen,Yang Nan,et al.Operation mode and benefits of nuclear power plant participating in peak load regulation of power system[J].Power System Technology,2012,36(12):250-255(in Chinese).
[9]赵洁,刘涤尘,雷庆生,等.核电机组参与电网调峰及与抽水蓄能电站联合运行研究[J].中国电机工程学报,2011,31(7):1-6.Zhao Jie,Liu Dichen,Lei Qingsheng,et al.Analysis of nuclear power plant participating in peak load regulation of power grid and combined operation with pumped storage power plant[J].Proceedings of the CSEE,2011,31(7):1-6(in Chinese).
[10]吴萍,杨艳晨,陈昊,等.第三代核电堆型AP1000运行特点及堆芯仿真研究[J].电网技术,2014,38(5):1196-1202.Wu Ping,Yang Yanchen,Chen Hao,et al.Research on operational characteristics and core simulation of the third-generation nuclear reactor AP1000[J].Power System Technology,2014,38(5):1196-1202(in Chinese).
[11]Zhang Tao,Ma Xiaodong,Zhu Yu,et al.A research summary on combined peaking load strategies of nuclear power plant[J].Advanced Materials Research,2014,986-987:196-201.
[12]Wang Jun,Zhao Jie,Ye Xiaoli,et al.Safety constraints and optimal operation of large-scale nuclear power plant participating in peak load regulation of power system[J].IET Generation,Transmission&Distribution,2017,11(13):3332-3340.
[13]王骏,赵洁,刘涤尘,等.考虑核电参与的调峰优化运行模型[J].中国电机工程学报,2018,38(6):1665-1674,1903.Wang Jun,Zhao Jie,Liu Dichen,et al.Optimal scheduling model of peak load regulation considering participation of nuclear power plant[J].Proceedings of the CSEE,2018,38(6):1665-1674,1903(in Chinese).
[14]王勇超,陈皓勇,禤培正,等.基于最优场景集的含多类型电源鲁棒调度[J].电网技术,2016,40(2):354-362.Wang Yongchao,Chen Haoyong,Xuan Peizheng,et al.Arobust scheduling with multiple types of power sources based on optimal scenario set[J].Power System Technology,2016,40(2):354-362(in Chinese).
[15]Ma Changhui,Jiang Zhe,Zhang Pengfei,et al.Economic analysis of wind power accommodation considering operation modes of nuclear power plants[C]//Proceedings of the IECON 2017-43rd Annual Conference of the IEEEIndustrial Electronics Society.Beijing,China:IEEE,2017:2467-2472.
[16]侯文庭,韦化.考虑核电可调度性的风-光-核-水-火多源协调短期优化调度[J].电工技术学报,2018,33(12):2873-2882.Hou Wenting,Wei Hua.A multi-source coordinated short-term dispatch model considering the dispatchability of nuclear power plants[J].Transactions of China Electrotechnical Society,2018,33(12):2873-2882(in Chinese).
[17]张宁,周天睿,段长刚,等.大规模风电场接入对电力系统调峰的影响[J].电网技术,2010,34(1):152-158.Zhang Ning,Zhou Tianrui,Duan Changgang,et al.Impact of large-scale wind farm connecting with power grid on peak load regulation demand[J].Power System Technology,2010,34(1):152-158(in Chinese).
[18]Roche B.The European utility requirement document(EUR)[J].Nuclear Engineering and Design,2001,209(1-3):39-45.
[19]Morales-Espa?a G,Correa-Posada C M,Ramos A.Tight and compact MIP formulation of configuration-based combined-cycle units[J].IEEE Transactions on Power Systems,2016,31(2):1350-1359.
[20]徐帆,刘军,张涛,等.考虑抽水蓄能机组的机组组合模型及求解[J].电力系统自动化,2012,36(12):36-40.Xu Fan,Liu Jun,Zhang Tao,et al.Unit commitment problem with pumped-storage units[J].Automation of Electric Power Systems,2012,36(12):36-40(in Chinese).
[21]IRENA.Renewable power generation costs in 2017[R].Abu Dhabi:International Renewable Energy Agency,2018.
[22]中华人民共和国国家发展和改革委员会.国家发展改革委关于调整光伏发电陆上风电标杆上网电价的通知[EB/OL].[2018-09-18].http://www.ndrc.gov.cn/fzgggz/jggl/zcfg/201612/t20161228_833069.html.