
中国电力工程顾问集团西南电力设计院有限公司
Published:2025
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张胜飞, 刘毅. 考虑风光相关性的输配电协同网络多时间尺度场景优化调度[J]. 2025, 48(3): 26-34.
张胜飞, 刘毅. 考虑风光相关性的输配电协同网络多时间尺度场景优化调度[J]. 2025, 48(3): 26-34. DOI: 10.16527/j.issn.1003-6954.20250304.
随着大量可再生能源的加入,传统配电网正逐渐转变为主动配电网。输配电网络的互联性将增加,潮流也由单向变为双相,影响输配电网络的稳定运行。针对分布式能源接入比例较高的输配协同网络,提出了一种考虑风光相关性的输配电协同网络多时间尺度场景优化调度方法,以满足两类网络之间日益增长的耦合需求。首先,针对多风电场和光伏电场在空间和时间维度的相关性,提出了一种基于自适应多变量核密度估计和连续时间马尔科夫链相结合的风光场景生成方法;其次,在日前阶段以系统总运行成本最小为目标,在风险极限约束条件下对输配一体化网络进行联合优化,在日内阶段以风险成本最小为目标,对调度方案进行修正;然后,采用基于改进捕获策略的多目标粒子群优化算法对多目标问题进行求解;最后,通过算例分析验证了所提多时间尺度风险调度模型的有效性,证明该模型能够实现输配电网络之间的交互协调以及运行成本和运行风险的协同优化。
Proposed wind-solar correlation modeling and multi-time scale scheduling method for transmission-distribution coordination and risk-cost optimization.
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