China’s vast power grid, with its intricate line configuration, occasionally experiences unpredictable malfunctions. The neutral grounding method holds a pivotal role in addressing these failures and maintaining the distribution network’s operation. This article delves into an innovative low-current grounding system that incorporates arc suppression coils and parallel resistance grounding technology. This grounding technique not only mitigates arcs but also facilitates rapid line selection and tripping. Even in high-resistance conditions, it can precisely detect fault points in overhead distribution lines and promptly isolate the faulty segment. Its characteristics have been validated through simulation
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Gao et al. (2024) studied this question.
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