中国电力 ›› 2025, Vol. 58 ›› Issue (8): 50-59.DOI: 10.11930/j.issn.1004-9649.202503008
• 交直流配电系统灵活资源规划运行及动态控制 • 上一篇 下一篇
栗志鹏1(), 刘少博1(
), 杨浩1, 董蕊1, 祁琛峰2, 沈硕1, 赵鹏3(
)
收稿日期:
2025-03-04
发布日期:
2025-08-26
出版日期:
2025-08-28
作者简介:
基金资助:
LI Zhipeng1(), LIU Shaobo1(
), YANG Hao1, DONG Rui1, QI Chenfeng2, SHEN Shuo1, ZHAO Peng3(
)
Received:
2025-03-04
Online:
2025-08-26
Published:
2025-08-28
Supported by:
摘要:
随着配电网复杂性日益增加以及对电能质量要求不断提高,谐波污染和网络损耗已成为影响新型电力系统稳定性和运行效率的关键因素。通过同步优化电容器和有源功率滤波器(active power filter,APF)的配置,实现谐波抑制与网络损耗最小化的双重目标。利用谐波功率流分析模型进行谐波评估,根据谐波穿透法进行频域建模。对失真配电网络中的电容器和APF的同步配置建模,利用粒子群优化(particle swarm optimization,PSO)算法解决电容器和APF同步配置的混合整数非线性规划问题。实验结果表明:适当配置电容器和APF能够显著改善网络的电压质量,所提的同步优化方法不仅在降低系统成本的同时,显著提高了新型电力系统配电网的电能质量和运行效率。
栗志鹏, 刘少博, 杨浩, 董蕊, 祁琛峰, 沈硕, 赵鹏. 基于PSO的配电网谐波抑制与降损增效协同优化[J]. 中国电力, 2025, 58(8): 50-59.
LI Zhipeng, LIU Shaobo, YANG Hao, DONG Rui, QI Chenfeng, SHEN Shuo, ZHAO Peng. Synergistic Optimization of Harmonic Suppression and Loss Reduction in Distribution Networks Based on PSO[J]. Electric Power, 2025, 58(8): 50-59.
位置 (总线) | 规格大 小/% | 电流有 效值 | APF 成本 | 最大 THD/% | 最大 IHD/% | 总成 本/元 | ||||||
7 | 4 | 3.55 | 5 | 3 | ||||||||
13 | 8 | 7.25 |
表 1 第一项研究中APF的优化配置结果
Table 1 Results of optimal APF configuration in the first study
位置 (总线) | 规格大 小/% | 电流有 效值 | APF 成本 | 最大 THD/% | 最大 IHD/% | 总成 本/元 | ||||||
7 | 4 | 3.55 | 5 | 3 | ||||||||
13 | 8 | 7.25 |
位置 (总线) | 规格大 小/% | 电流有 效值 | APF 成本 | 最大 THD/% | 最大 IHD/% | 总成本/ 元 | ||||||
7 | 7 | 6.4 | 32,400 | 4.99 | 3 |
表 2 第二项研究中APF的优化配置结果
Table 2 Results of optimal APF configuration in the second study
位置 (总线) | 规格大 小/% | 电流有 效值 | APF 成本 | 最大 THD/% | 最大 IHD/% | 总成本/ 元 | ||||||
7 | 7 | 6.4 | 32,400 | 4.99 | 3 |
研究 | 电容器成本/元 | APF成本/元 | 损耗/kW | 总成本/元 | ||||
1 | 961 | |||||||
2 | ||||||||
3 | 997 |
表 3 研究成本结果的比较
Table 3 Comparison of research cost results
研究 | 电容器成本/元 | APF成本/元 | 损耗/kW | 总成本/元 | ||||
1 | 961 | |||||||
2 | ||||||||
3 | 997 |
指标 | PSO | GA | DE | GWO | 最优算法 | |||||
网络损耗/kW | 997 | PSO | ||||||||
最大THD/% | 3.0 | 3.8 | 3.2 | 3.5 | PSO | |||||
总成本/万元 | 22.54 | 24.17 | 23.41 | 23.89 | PSO | |||||
平均迭代次数 | 250 | 400 | 300 | 350 | PSO | |||||
单次耗时/s | 45.2 | 72.1 | 58.6 | 63.4 | PSO | |||||
重复实验方差 | 0.12 | 0.36 | 0.25 | 0.31 | PSO |
表 4 不同优化算法的性能对比
Table 4 Performance comparison of different optimization algorithms
指标 | PSO | GA | DE | GWO | 最优算法 | |||||
网络损耗/kW | 997 | PSO | ||||||||
最大THD/% | 3.0 | 3.8 | 3.2 | 3.5 | PSO | |||||
总成本/万元 | 22.54 | 24.17 | 23.41 | 23.89 | PSO | |||||
平均迭代次数 | 250 | 400 | 300 | 350 | PSO | |||||
单次耗时/s | 45.2 | 72.1 | 58.6 | 63.4 | PSO | |||||
重复实验方差 | 0.12 | 0.36 | 0.25 | 0.31 | PSO |
算法 | 电容器容量/(kV·A) | APF位置 与规格 | 谐波抑制策略缺陷 | |||
PSO | 750(节点7) | 节点7: 3.5% | 无 | |||
GA | 节点7: 4%, 节点13: 8% | APF过配置导致成本上升 | ||||
DE | 750(节点7) | 节点7: 3.8% | 电流谐波相位优化不足 | |||
GWO | 节点7: 4.2% | 局部最优导致损耗偏高 |
表 5 设备配置方案差异
Table 5 Differences in equipment configuration schemes
算法 | 电容器容量/(kV·A) | APF位置 与规格 | 谐波抑制策略缺陷 | |||
PSO | 750(节点7) | 节点7: 3.5% | 无 | |||
GA | 节点7: 4%, 节点13: 8% | APF过配置导致成本上升 | ||||
DE | 750(节点7) | 节点7: 3.8% | 电流谐波相位优化不足 | |||
GWO | 节点7: 4.2% | 局部最优导致损耗偏高 |
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