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1.电网智能化调度与控制教育部重点实验室(山东大学),山东省济南市 250061
2.国网冀北电力有限公司廊坊供电公司,河北省廊坊市 065000
王志欣(1998—),男,硕士研究生,主要研究方向:电力系统安全经济运行。E-mail:wangzx303@mail.sdu.edu.cn
王明强(1982—),男,通信作者,博士,副教授,博士生导师,主要研究方向:电力系统安全经济运行。E-mail:wang0367@sdu.edu.cn
杨明(1980—),男,博士,教授,博士生导师,主要研究方向:电力系统运行与控制。E-mail:myang@sdu.edu.cn
收稿:2022-04-11,
修回:2022-07-13,
网络出版:2022-11-29,
纸质出版:2023-08-10
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王志欣,王明强,杨明等.考虑风电备用可靠性的电力系统备用优化[J].电力系统自动化,2023,47(15):142-150.
WANG Zhixin,WANG Mingqiang,YANG Ming,et al.Reserve Optimization for Power System Considering Reliability of Wind Power Reserve[J].Automation of Electric Power Systems,2023,47(15):142-150.
王志欣,王明强,杨明等.考虑风电备用可靠性的电力系统备用优化[J].电力系统自动化,2023,47(15):142-150. DOI: 10.7500/AEPS20220411001.
WANG Zhixin,WANG Mingqiang,YANG Ming,et al.Reserve Optimization for Power System Considering Reliability of Wind Power Reserve[J].Automation of Electric Power Systems,2023,47(15):142-150. DOI: 10.7500/AEPS20220411001.
风电能够以降载运行的方式提供备用。由于风电实际出力的不确定性,风电提供的备用也可能偏离预定值,风电备用并不完全可靠。为此提出一种考虑风电备用可靠性的电力系统备用优化模型。首先
基于风电出力的概率分布信息,分析风电提供备用的变化;然后,将风电备用纳入弃风、失负荷成本的计算中,并通过进一步的消除积分符号以及线性化处理,将模型转化为混合整数线性规划问题求解;最后,基于IEEE-RTS 24节点算例验证了所提模型的有效性。算例结果表明,考虑风电备用的可靠性可以对系统中的弃风、失负荷成本进行更精细的评估,从而对系统中的备用进行更精细的配置,避免过于保守或激进的结果。
Wind power can provide the reserve by de-loading operation. Due to the uncertainty of the actual output of wind power
the reserve provided by wind power may deviate from the predetermined value
so the wind power reserve is not completely reliable. Therefore
a reserve optimization model for power systems considering the reliability of wind power reserve is proposed. Firstly
based on the probability distribution information of wind power output
the variation of wind power reserve is analyzed. Then
the wind power reserve is included in the calculation of curtailed wind costs and load loss costs. The proposed model is transformed into a mixed-integer linear programming problem by further eliminating the integral sign and linearization. Finally
the effectiveness of the proposed model is illustrated based on the IEEE-RTS 24-bus system case. The results show that considering the reliability of wind power reserve
the curtailed wind costs and load loss costs in the system can be evaluated more precisely
so that the reserve in the system can be configured more precisely
which can avoid overly conservative or radical results.
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