| 引用本文: | 王晓晖,张粒子,程世军.多元电力系统中抽水蓄能的经济性问题研究[J].电力系统保护与控制,2014,42(4):8-15. |
| WANG Xiao-hui,ZHANG Li-zi,CHENG Shi-jun.Economic analysis of pumped-storage unit in electricity system with multi-type power sources[J].Power System Protection and Control,2014,42(4):8-15 |
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| 摘要: |
| 提出了从多元电力系统的角度对抽水蓄能进行经济性分析的方法。基于混合整数规划构建了含火电、CCGT、水电、风电、核电、抽水蓄能等各类电源的多元电力系统机组组合模型。采用该模型计算抽水蓄能单位容量的收益现值，并与单位容量的投资成本比较以分析其经济性。算例测试的结果证明了模型和方法的可行性。在此基础上，进一步研究了负荷侧的峰谷差率、电源侧的风电容量、水火电比例、核电容量和火电调节范围变化对抽水蓄能经济性的影响。算例结果显示，水火电比例、风电容量以及核电容量的变化对抽水蓄能的经济性的影响较大。 |
| 关键词: 抽水蓄能 混合整数规划 机组组合 经济性分析 核电 |
| DOI：10.7667/j.issn.1674-3415.2014.04.002 |
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| Economic analysis of pumped-storage unit in electricity system with multi-type power sources |
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WANG Xiao-hui, ZHANG Li-zi, CHENG Shi-jun
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School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China
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| Abstract: |
| This paper proposes an approach to evaluate the economics of pumped-storage units from the perspective of a multi-type power system. An MIP-based unit commitment model with various types of power sources is established, which integrates thermal, CCGT, hydro, wind, nuclear with pumped-storage units. Based on the model, the net present value of pumped-storage per megawatt is calculated. By comparing the net present value with the capital cost per megawatt, the economic evaluation of pumped-storage unit is conducted. The case study proves the feasibility of the model and the above approach. Furthermore, this paper analyzes the influence on the economic results of pumped-storage units by the change of peak-valley difference of the system load, the regulating range of thermal units, the capacity of nuclear and wind power, and the thermal-hydro proportion. The case study shows that the economics of pumped-storage is most influenced by the change of the capacity of nuclear and wind power and the thermal-hydro proportion. |
| Key words: pumped-storage unit mixed-integer programming unit commitment economic analysis nuclear power |
