| 引用本文: | 和 萍,刘 鑫,宫智杰,等.高比例可再生能源电力系统源荷储联合调峰分层优化运行[J].电力系统保护与控制,2024,52(18):112-122.[点击复制] |
| HE Ping,LIU Xin,GONG Zhijie,et al.Hierarchical optimization operation model for joint peak-load regulation of source-load-storage in a high proportion of renewable energy power system[J].Power System Protection and Control,2024,52(18):112-122[点击复制] |
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| 摘要: |
| 高比例可再生能源接入电网给电力系统调峰经济性运行带来巨大的压力。为此，提出一种计及需求响应的源荷储联合调峰分层优化运行模型，优化电力系统调峰的经济性运行。首先，以需求响应的净负荷优化曲线与新能源发电预测曲线拟合程度为上层目标函数，以各机组联合调峰运行总成本最小作为下层目标函数。其次，考虑影响系统运行安全与调峰相关的约束条件，以供给某区域电源系统为例，对比分析传统调峰与电源侧联合调峰方案，以及在负荷侧加入需求响应后的联合调峰的优化结果。最后通过仿真后的数据对比发现，电源侧联合调峰的成本比传统调峰的成本要少的多，加入需求响应后的联合调峰能实现风、光发电的完全消纳。所提出的联合调峰方案能够降低高比例可再生能源并网的弃风弃光率，提高系统运行的经济性。 |
| 关键词: 高比例可再生能源 需求响应 源荷储联合运行 系统调峰成本 分层优化 |
| DOI：10.19783/j.cnki.pspc.231378 |
| 投稿时间：2023-10-26修订日期：2024-05-24 |
| 基金项目:国家自然科学基金项目资助(52377125)；河南省科技攻关研究项目资助(222102320198) |
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| Hierarchical optimization operation model for joint peak-load regulation of source-load-storage in a high proportion of renewable energy power system |
| HE Ping1,LIU Xin1,GONG Zhijie1,WEN Fushuan2,ZHAO Chen1,LI Qiuyan3 |
| (1. College of Electric and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China;
2. Hainan Institute, Zhejiang University, Sanya 572000, China; 3. State Grid Henan Electric Power Company
Economic and Technological Research Institute, Zhengzhou 450052, China) |
| Abstract: |
| The high proportion of renewable energy connected to the power grid brings enormous pressure to the economic operation of peak shaving. To optimize the economic operation, this paper proposes a hierarchical optimization operation model for source-load-storage joint peak shaving which takes into account demand response. First, the fitting degree between the net load optimization curve of demand response and the forecast curve of new energy generation is taken as the upper level objective function, and the minimum total cost of joint peak shaving of each unit is taken as the lower level objective function. Secondly, considering the constraints that affect the safety of system operation and peak shaving and taking the power supply system in a certain area as an example, a comparative analysis is conducted between traditional and power-supply side joint peak shaving schemes. It also considers the optimization results of joint peak shaving after adding demand response on the load side. Finally, through the comparison of simulated data, it is found that the cost of power side joint peak shaving is much lower than that of the traditional. Adding demand response to joint peak shaving can achieve complete consumption of wind and solar power generation. The proposed joint peak shaving scheme can reduce the wind and solar curtailment rate of a high proportion of renewable energy grid connection, and improve the economic efficiency of system operation. |
| Key words: high proportion of renewable energy demand response joint operation of source-load-storage system peak regulation cost hierarchical optimization |
