Applicability boundary calculation for directional current protection in distribution networks with accessed PV power sources

He, Jiawei; Mu, Rui; Li, Bin; Li, Ye; Zhou, Bohao; Xie, Zhongrun; Wang, Wenbo

doi:10.1016/j.apenergy.2024.123520

Applied Energy

2024

DOI: 10.1016/j.apenergy.2024.123520

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Applicability boundary calculation for directional current protection in distribution networks with accessed PV power sources

Jiawei He,

Rui Mu,

Bin Li

et al.

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2024

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Cited by 2 publications

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An active protection method based on superimposed phase currents for active distribution systems

Yuan,

Gao,

Wang

et al. 2024

Electric Power Systems Research

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An active protection method based on superimposed phase currents for active distribution systems

Yuan,

Gao,

Wang

et al. 2024

Electric Power Systems Research

View full text Add to dashboard Cite

Optimization of Distribution Network Current Protection for Inverter-Based Distributed Power Access

Xiao,

Cao,

Ren

et al. 2024

Algorithms

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In light of the accelerated development of renewable energy, inverter-based distributed power supply (IIDG) is assuming an increasingly pivotal role in contemporary power systems. This paper investigates the impact of inverter-based distributed power access on current protection in distribution networks and proposes an optimization method. Firstly, the IIDG power model is introduced for the purpose of analyzing the impact of distributed power supply access to an urban distribution network on the current magnitude of the distribution network. Subsequently, the issue of protection sensitivity following IIDG access is examined in the context of time-limited current flow protection and fixed-time overcurrent protection, respectively. To address the issue of inadequate sensitivity, a refined enhancement strategy for the real-time monitoring of the line current and modifying the action setting values is put forth. Finally, the proposed protection methodology is validated through PSCAD simulation, thereby verifying the effectiveness of the proposed optimization and improvement solutions in the real-time monitoring of the line current and adjustment of the action setting values.

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Applicability boundary calculation for directional current protection in distribution networks with accessed PV power sources

Cited by 2 publications

References 23 publications

An active protection method based on superimposed phase currents for active distribution systems

An active protection method based on superimposed phase currents for active distribution systems

Optimization of Distribution Network Current Protection for Inverter-Based Distributed Power Access

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