
1. 河北农业大学信息科学与技术学院
2. 中国电力科学研究院有限公司
纸质出版:2025
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樊文婷, 白牧可, 刘敬敬, 等. 基于可达性与改进和声算法的高比例DG交直流配电网可靠性评估[J]. 供用电, 2025,(1):86-95.
樊文婷, 白牧可, 刘敬敬, 等. 基于可达性与改进和声算法的高比例DG交直流配电网可靠性评估[J]. 供用电, 2025,(1):86-95. DOI: 10.19421/j.cnki.1006-6357.2025.01.010.
高比例分布式电源(distributed generation
DG)与冲击负荷的接入及电力电子设备的广泛应用,使配电网动态、交直流共存特性更加明显,给配电网可靠性评估带来新的挑战。综合考虑负荷优先级和孤岛功率平衡,提出了基于可达性与改进和声算法的配电网可靠性评估。以高比例DG交直流配电网孤岛划分特征分析为基础,基于可达性和并行随机广度优先及深度优先搜索算法生成由含单DG和多DG孤岛构成的候选解集。通过构建重要负荷恢复量最大和孤岛功率不平衡最小的多目标模型,采用改进和声算法优化求解孤岛的Pareto解集,并基于直觉模糊TOPSIS决策分析得到最优孤岛。在此基础上,考虑不确定性因素的影响,并结合高比例DG交直流配电网的特征,构建了含单DG孤岛、多DG孤岛的可靠性计算模型。以改进RBTS BUS6F4系统进行仿真,结果表明所建目标体现了重要负荷恢复量和孤岛功率不平衡量的折中,所提求解方法提高了孤岛划分效率,所提可靠性模型适用于含高比例DG的交直流配电网。
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