分布式光伏接入下配电网运行状态自动调试

朱传谱; 尹朝娜; 陈冠良; 董芸州; 潘德泰

doi:10.19912/j.0254-0096.tynxb.2024-0042

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (5) : 260-266. DOI: 10.19912/j.0254-0096.tynxb.2024-0042

分布式光伏接入下配电网运行状态自动调试

朱传谱, 尹朝娜, 陈冠良, 董芸州, 潘德泰

作者信息 +

AUTOMATIC COMMISSIONING OF DISTRIBUTION NETWORK OPERATING STATUS UNDER DISTRIBUTED PHOTOVOLTAIC ACCESS

Zhu Chuanpu, Yin Chaona, Chen Guanliang, Dong Yunzhou, Pan Detai

Author information +

文章历史 +

摘要

提出分布式光伏接入下配电网运行状态自动调试方法。以子岛N-1极限失电率和负荷均衡率为状态衡量指标,将配电网的运行状态分为不同等级,计算运行状态评估结果,通过改进粒子群算法实现有功无功协调优化调试,考虑配电网的阻抗比、电压幅值和等效电抗等因素,通过状态空间和积分趋近方法实现了协同运行稳定调试。引入状态空间协调控制,提高配电网的自动调试能力。实验结果表明,所提方法的电压稳定水平提升量高以及运行稳定状态调试灵敏度高。

Abstract

As renewable energy （such as distributed photovoltaic） is connected to the low-voltage distribution network on a large scale, the proportion of electronic equipment in grid-connected inverters continuous to increase, causing harmonic disturbance and dynamic impedance change of grid-connected systems, increasing the difficulty of measuring the operating state characteristics of distributed photovoltaic grid-connected systems. Therefore, an automatic tunning method of distribution network operating state under distributed photovoltaic access is proposed. Taking the subisland N-1 limit power loss rate and load balancing rate as state measurement indicators, the operating state of the distribution network is classified into different levels, the operating state evaluation results are calculated. Active and reactive power coordination optimization and tunning are realized by improving the particle swarm optimization algorithm. Factors such as the impedance ratio, voltage amplitude and equivalent reactance of the distribution network are considered. The stable tunning of cooperative operation is realized by state space and integral approach method. State space coordination control is introduced to improve the automatic tunning ability of distribution network. The experimental results show that the proposed method has high voltage stability level improvement and high operating stability state debugging sensitivity.

导出引用

朱传谱, 尹朝娜, 陈冠良, 董芸州, 潘德泰. 分布式光伏接入下配电网运行状态自动调试[J]. 太阳能学报. 2025, 46(5): 260-266 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0042

Zhu Chuanpu, Yin Chaona, Chen Guanliang, Dong Yunzhou, Pan Detai. AUTOMATIC COMMISSIONING OF DISTRIBUTION NETWORK OPERATING STATUS UNDER DISTRIBUTED PHOTOVOLTAIC ACCESS[J]. Acta Energiae Solaris Sinica. 2025, 46(5): 260-266 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0042

中图分类号： TM615 TM732

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