一起分布式光伏功率倒送引起的发电车跳闸故障分析

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Abstract In this paper, a case where a tripping incident in a medium-voltage emergency power generation vehicle caused by a distributed photovoltaic (PV) power reverse flow is analyzed. By examining operational data from the generation vehicle and transmission lines, along with the connection configuration of the distributed photovoltaic grid-tie points, a back-calculation of the incident is performed to determine the primary cause of the fault. Finally, in accordance with relevant technical specifications for integrating distributed PV into distribution grids, improvement plans for both equipment configuration and protection settings are proposed. These findings offer valuable insights for enhancing the reliability of distribution network and for revising technical standards governing the integration of distributed PV generation into distribution networks.

Key words： distributed photovoltaic systems medium-voltage emergency power generation vehicles reverse power protection trip

Received: 23 September 2025

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	Articles by authors
	ZHANG Guangru
	REN Haodong
	FU Huixiao
	CHEN Jie
	LIU Binyu

Cite this article:

ZHANG Guangru,REN Haodong,FU Huixiao等. Fault analysis of power generation vehicle tripping caused by distributed photovoltaic reverse power flow[J]. Electrical Engineering, 2026, 27(4): 55-59.

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https://dqjs.cesmedia.cn/EN/Y2026/V27/I4/55