| 引用本文: | 罗龙波,陈明辉,王雯沁,等.考虑分级重构的配电网安全低碳两阶段运行优化方法[J].电力系统保护与控制,2024,52(14):36-45. |
| LUO Longbo,CHEN Minghui,WANG Wenqin,et al.A two-stage secure and low-carbon operation optimization for a distribution network considering multi-level reconfiguration[J].Power System Protection and Control,2024,52(14):36-45 |
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| 摘要: |
| 随着配电网拓扑结构的复杂程度提高，针对高比例可再生能源出力预测误差会导致配电网优化调度决策的准确性下降的问题，提出考虑分级重构方法的配电网安全低碳两阶段优化方法。首先，分析了配电网两类分级开关的影响程度和两阶段运行优化框架。其次，提出了配电网日前-日内两阶段优化方法，通过协调分级开关动作、储能系统、工业负荷需求响应等手段实现配电网最优化运行。然后，考虑到光伏出力在不同时间尺度上预测误差，分别构建了以低碳性为目标的日前全局低碳经济调度模型及以安全性为目标的日内滚动安全经济调度模型。最后，算例验证了所提模型能够在光伏高比例渗透背景下，有效支撑复杂配电网安全低碳运行。 |
| 关键词: 配电网 多级重构 低碳 优化调度 可再生能源 |
| DOI：10.19783/j.cnki.pspc.240086 |
| 分类号: |
| 基金项目:中国南方电网有限责任公司创新项目资助(030100KK52222069) |
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| A two-stage secure and low-carbon operation optimization for a distribution network considering multi-level reconfiguration |
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LUO Longbo1, CHEN Minghui1, WANG Wenqin2, GAO Hongjun2, LIU Junyong2
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1. Guangzhou Power Supply Bureau of Guangdong Power Grid Co., Ltd., Guangzhou 510630, China;
2. School of Electrical Engineering, Sichuan University, Chengdu 610065, China
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| Abstract: |
| With the increasing complexity of distribution network topology, there is a problem that a high proportion of renewable energy output prediction errors will lead to a decline in the accuracy of distribution network optimal scheduling decisions. Thus a two-stage secure and low-carbon operation optimization method considering multi-level reconfiguration is proposed. First, the influence of two kinds of multi-level switches on reconfiguration and two-stage operational framework of a distribution network are analyzed. Secondly, a day-ahead and intra-day two-stage operation optimization method is proposed to realize an optimal operation solution by coordinating the multi-level switches’ state, the energy storage system and industrial load demand response. Then, the day-ahead global low-carbon economic scheduling and intra-day rolling security economic scheduling models are constructed by considering the photovoltaic output prediction errors over different time scales. Finally, numerical examples verify that the proposed model can effectively support the secure and low-carbon operation of complex distribution networks with high photovoltaic penetration. |
| Key words: distribution network multi-level reconfiguration low carbon optimized scheduling renewable energy |
