发布时间：2025-04-30

论文名称：Overcurrent Protection Assessment with High PV Penetration in a Distribution Network

发表刊物：INTERNATIONAL JOURNAL OF RENEWABLE ENERGY RESEARCH

摘要：This paper investigated the potential protection issues associated to high PV penetration. Impacts of different penetration level (20%, 40% and 60%) on two different network configurations (centralized and distributed) have been modelled and analyzed using PSCAD/EMTDC software. The inverter controller response was assessed under grid faults integrating LVRT capabilities. The presence of PVs in the grid has led to identify nuisance tripping or false tripping in high penetration condition of Solar PV. Moreover, and most important presented in this research is the operational impacts study of PVs on the protection coordination which has been done for a satisfied backup and selectivity protection with a reliable and effective relay setting suggestion. In the simulation results, the most impactful fault is with the centralized case (fault3) causing the protective device to trip faster, which tends to be harmful for high penetration. The severe increase of the available short circuit current due to the proximity of PVs can impact neighbouring overcurrent protection devices, which implies a potential use of protection devices with directional capabilities. Some measures have been recommended as well to mitigate the PV impacts with an acceptable penetration level.

合写作者：de Marco, Yeboh Ngalo Lucky; Zheng, Tao; Nikolovski, Srete

卷号：Volume: 8 Issue: 1

页面范围：396-406

是否译文：否

发表时间：2018-08-01