考虑频率偏差的多目标备用优化分配策略
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摘要
充裕的电力系统备用对于稳定系统频率及电压、保证电网的安全运行具有非常重要的意义。兼顾系统运行可靠性和经济性,考虑机组故障、风电出力和负荷波动等不确定因素,建立了以最小化系统备用成本和系统频率偏差为目标的多目标机会约束规划模型,并基于改进快速排序技术的遗传算法对优化模型进行求解,得到了系统旋转备用最优分配方案。通过IEEE测试算例验证了文中优化模型及算法的有效性。本文的研究为电力系统备用优化配置提供了新的思路。
Plentiful reserve of electric power system is significant for stabilizing the system frequency and voltage,as well as ensuring the safe operation of power grid. By taking both the reliability and economic efficiency of system operation into account,uncertainty factors(e.g.,forced outage of generator unit,wind power output,and load fluctuations)are considered,and a multi-objective chance-constrained programming model is established with the minimization ofspinning reserve cost and frequency deviation of power system as objectives. Moreover,a genetic algorithm based on im-proved fast sorting method is adopted for solving the optimization model,and the optimal allocation scheme for the spinning reserve of system is obtained. Finally,the effectiveness of the proposed model and algorithm is verified by an IEEEtest system. The research in this paper provides a new way for the optimal allocation of power system reserve.
Plentiful reserve of electric power system is significant for stabilizing the system frequency and voltage,as well as ensuring the safe operation of power grid. By taking both the reliability and economic efficiency of system operation into account,uncertainty factors(e.g.,forced outage of generator unit,wind power output,and load fluctuations)are considered,and a multi-objective chance-constrained programming model is established with the minimization ofspinning reserve cost and frequency deviation of power system as objectives. Moreover,a genetic algorithm based on im-proved fast sorting method is adopted for solving the optimization model,and the optimal allocation scheme for the spinning reserve of system is obtained. Finally,the effectiveness of the proposed model and algorithm is verified by an IEEEtest system. The research in this paper provides a new way for the optimal allocation of power system reserve.
引文
[1]赵学顺,文福拴,汪震,等(Zhao Xueshun,Wen Fushuan,Wang Zhen,et al).区域电力市场运行备用容量的确定和获取初探(A preliminary investigation on determina-tion and procurement of operating reserve capacity in re-gional electricity market)[J].电力系统自动化(Automa-tion of Electric Power Systems),2004,28(13):7-12.
[2]吴集光,刘俊勇,牛怀平,等(Wu Jiguang,Liu Junyong,Niu Huaiping,et al).电力市场环境下最优备用容量的确定(Determination of optimal reserve capacity in elec-tricity market environment)[J].电力系统自动化(Auto-mation of Electric Power Systems),2005,29(15):10-13,22.
[3]Wang Jianhui,Shahidehpour M,Li Zuyi.Contingency-con-strained reserve requirements in joint energy and ancil-lary services auction[J].IEEE Trans on Power Systems,2009,24(3):1457-1468.
[4]舒隽,李春晓,苏济归,等(Shu Jun,Li Chunxiao,SuJigui,et al).复杂预想场景下电力系统备用优化模型(Optimal reserve dispatch model considering complicatedcontingency scenarios)[J].中国电机工程学报(Proceed-ings of the CSEE),2012,32(10):105-110.
[5]罗超,杨军,孙元章,等(Luo Chao,Yang Jun,Sun Yuan-zhang,et al).考虑备用容量优化分配的含风电电力系统动态经济调度(Dynamic economic dispatch of wind in-tegrated power system considering optimal scheduling ofreserve capacity)[J].中国电机工程学报(Proceedings ofthe CSEE),2014,34(34):6109-6118.
[6]王旭,蒋传文,刘玉娇,等(Wang Xu,Jiang Chuanwen,Liu Yujiao,et al).含大规模风电场的电力系统旋转备用风险决策模型和方法(Decision-making model andmethod for spinning reserve and risk of power systems in-tegrated with large-scale wind farms)[J].电力系统自动化(Automation of Electric Power Systems),2014,38(13):64-70.
[7]张楠,黄越辉,刘德伟,等(Zhang Nan,Huang Yuehui,Liu Dewei,et al).考虑风电接入的电力系统备用容量计算方法(Reserve capacity calculation of power systemconsidering wind power integration)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2016,28(3):6-10.
[8]付伟,刘坤艳,宁卜,等(Fu Wei,Liu Kunyan,Ning Bo,et al).计及风险备用需求的含风电电力系统经济调度(Economic dispatch of power system with wind farms con-sidering risk-reserve)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2016,28(6):91-96.
[9]王乐,余志伟,文福拴(Wang Le,Yu Zhiwei,Wen Fush-uan).基于机会约束规划的最优旋转备用容量确定(Achance-constrained programming approach to determinerequirement of optimal spinning reserve capacity)[J].电网技术(Power System Technology),2006,30(20):14-19.
[10]葛炬,王飞,张粒子(Ge Ju,Wang Fei,Zhang Lizi).含风电场电力系统旋转备用获取模型(Spinning reservemodel in the wind power integrated power system)[J].电力系统自动化(Automation of Electric Power Systems),2010,34(6):32-36.
[11]余民,杨宸,蒋传文,等(Yu Min,Yang Chen,Jiang Ch-uanwen,et al).风电并网后电力系统可靠性评估和备用优化研究(Study on power system reliability and re-serve optimization with wind power integration)[J].电力系统保护与控制(Power System Protection and Control),2012,40(12):100-104,135.
[12]林勇,陈筱中,郑秀波,等(Lin Yong,Chen Xiaozhong,Zheng Xiubo,et al).电力系统旋转事故备用容量的配置研究(Estimation of spinning contingency reserve ca-pacity in power systems)[J].电力系统自动化(Automa-tion of Electric Power Systems),2014,38(19):114-121.
[13]李灿,曾沅,秦超,等(Li Can,Zeng Yuan,Qin Chao,et al).计及运行风险的电力系统优化调度方法(Optimi-zation method for power system dispatching consideringoperation risk)[J].电力系统及其自动化学报(Proceed-ings of the CSU-EPSA),2016,28(6):73-79.
[14]贾燕冰,严正,孙勇,等(Jia Yanbing,Yan Zheng,SunYong,et al).互联电网共享运行备用可靠性评估(Shareable operational reserve reliability evaluation formulti-area power networks)[J].电力系统自动化(Auto-mation of Electric Power Systems),2009,33(16):13-18.
[15]盛四清,檀晓林,李欢,等(Sheng Siqing,Tan Xiaolin,LiHuan,et al).含风电场的互联电力系统备用容量优化(Reserve capacity optimization of interconnected powergrid containing wind farms)[J].电网技术(Power SystemTechnology),2013,37(11):3067-3072.
[16]唐磊,徐兵,黄国日,等(Tang Lei,Xu Bing,Huang Guori,et al).电力配电系统的可靠性评估(Reliability evalua-tion in power distribution systems)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2016,28(1):32-38.
[17]贾燕冰,严正(Jia Yanbing,Yan Zheng).基于改进快速排序法的发电系统可靠性评估(An improving fast sort-ing technique for generating system reliability evaluation)[J].电网技术(Power System Technology),2010,34(6):144-148.
[2]吴集光,刘俊勇,牛怀平,等(Wu Jiguang,Liu Junyong,Niu Huaiping,et al).电力市场环境下最优备用容量的确定(Determination of optimal reserve capacity in elec-tricity market environment)[J].电力系统自动化(Auto-mation of Electric Power Systems),2005,29(15):10-13,22.
[3]Wang Jianhui,Shahidehpour M,Li Zuyi.Contingency-con-strained reserve requirements in joint energy and ancil-lary services auction[J].IEEE Trans on Power Systems,2009,24(3):1457-1468.
[4]舒隽,李春晓,苏济归,等(Shu Jun,Li Chunxiao,SuJigui,et al).复杂预想场景下电力系统备用优化模型(Optimal reserve dispatch model considering complicatedcontingency scenarios)[J].中国电机工程学报(Proceed-ings of the CSEE),2012,32(10):105-110.
[5]罗超,杨军,孙元章,等(Luo Chao,Yang Jun,Sun Yuan-zhang,et al).考虑备用容量优化分配的含风电电力系统动态经济调度(Dynamic economic dispatch of wind in-tegrated power system considering optimal scheduling ofreserve capacity)[J].中国电机工程学报(Proceedings ofthe CSEE),2014,34(34):6109-6118.
[6]王旭,蒋传文,刘玉娇,等(Wang Xu,Jiang Chuanwen,Liu Yujiao,et al).含大规模风电场的电力系统旋转备用风险决策模型和方法(Decision-making model andmethod for spinning reserve and risk of power systems in-tegrated with large-scale wind farms)[J].电力系统自动化(Automation of Electric Power Systems),2014,38(13):64-70.
[7]张楠,黄越辉,刘德伟,等(Zhang Nan,Huang Yuehui,Liu Dewei,et al).考虑风电接入的电力系统备用容量计算方法(Reserve capacity calculation of power systemconsidering wind power integration)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2016,28(3):6-10.
[8]付伟,刘坤艳,宁卜,等(Fu Wei,Liu Kunyan,Ning Bo,et al).计及风险备用需求的含风电电力系统经济调度(Economic dispatch of power system with wind farms con-sidering risk-reserve)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2016,28(6):91-96.
[9]王乐,余志伟,文福拴(Wang Le,Yu Zhiwei,Wen Fush-uan).基于机会约束规划的最优旋转备用容量确定(Achance-constrained programming approach to determinerequirement of optimal spinning reserve capacity)[J].电网技术(Power System Technology),2006,30(20):14-19.
[10]葛炬,王飞,张粒子(Ge Ju,Wang Fei,Zhang Lizi).含风电场电力系统旋转备用获取模型(Spinning reservemodel in the wind power integrated power system)[J].电力系统自动化(Automation of Electric Power Systems),2010,34(6):32-36.
[11]余民,杨宸,蒋传文,等(Yu Min,Yang Chen,Jiang Ch-uanwen,et al).风电并网后电力系统可靠性评估和备用优化研究(Study on power system reliability and re-serve optimization with wind power integration)[J].电力系统保护与控制(Power System Protection and Control),2012,40(12):100-104,135.
[12]林勇,陈筱中,郑秀波,等(Lin Yong,Chen Xiaozhong,Zheng Xiubo,et al).电力系统旋转事故备用容量的配置研究(Estimation of spinning contingency reserve ca-pacity in power systems)[J].电力系统自动化(Automa-tion of Electric Power Systems),2014,38(19):114-121.
[13]李灿,曾沅,秦超,等(Li Can,Zeng Yuan,Qin Chao,et al).计及运行风险的电力系统优化调度方法(Optimi-zation method for power system dispatching consideringoperation risk)[J].电力系统及其自动化学报(Proceed-ings of the CSU-EPSA),2016,28(6):73-79.
[14]贾燕冰,严正,孙勇,等(Jia Yanbing,Yan Zheng,SunYong,et al).互联电网共享运行备用可靠性评估(Shareable operational reserve reliability evaluation formulti-area power networks)[J].电力系统自动化(Auto-mation of Electric Power Systems),2009,33(16):13-18.
[15]盛四清,檀晓林,李欢,等(Sheng Siqing,Tan Xiaolin,LiHuan,et al).含风电场的互联电力系统备用容量优化(Reserve capacity optimization of interconnected powergrid containing wind farms)[J].电网技术(Power SystemTechnology),2013,37(11):3067-3072.
[16]唐磊,徐兵,黄国日,等(Tang Lei,Xu Bing,Huang Guori,et al).电力配电系统的可靠性评估(Reliability evalua-tion in power distribution systems)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2016,28(1):32-38.
[17]贾燕冰,严正(Jia Yanbing,Yan Zheng).基于改进快速排序法的发电系统可靠性评估(An improving fast sort-ing technique for generating system reliability evaluation)[J].电网技术(Power System Technology),2010,34(6):144-148.
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