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Lightning Risk Assessment Considering the Interaction between Distributed Photovoltaic and Distribution System
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Chen CHAI1, 2, Chao CAI3, Yi-chuan HE4, Peng LI1, 2, *, Tian WU1, 2, Zhi-qing MA5
Science Technology and Engineering | 2025, 25(17) : 7219 - 7225
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Science Technology and Engineering | 2025, 25(17): 7219-7225
• Papers-Electrical Technology •
Lightning Risk Assessment Considering the Interaction between Distributed Photovoltaic and Distribution System
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Chen CHAI1, 2, Chao CAI3, Yi-chuan HE4, Peng LI1, 2, *, Tian WU1, 2, Zhi-qing MA5
Affiliations
  • 1 College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China
  • 2 Hubei Provincial Engineering Technology Research Center for Power Transmission Line(China Three Gorges University), Yichang 430002, China
  • 3 State Grid Hubei Electric Power Company, Wuhan 430000, China
  • 4 Wuhan NARI Limited Liability Company of State Grid Electric Power Research Institute, Wuhan 430206, China
  • 5 Qinghai Electric Power Test and Research Insititute, Xining 810008, China
Published: 2025-06-18 doi: 10.12404/j.issn.1671-1815.2408246
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Lightning is the main cause of active distribution line fault. It is of great significance to study the lightning risk assessment of active distribution network. The distribution line with distributed photovoltaic system in Nanjing area was taken as the research object. The calculation model of lightning overvoltage on distribution lines with distributed photovoltaic system was established, and the interaction between photovoltaic side and distribution line side during lightning strike was analyzed. The electrical geometric model on both sides was constructed. The trip rates of the photovoltaic side and the line side were calculated, and the risk was evaluated according to the calculation results. The results show that when lightning strikes the nearest tower on the photovoltaic side, the lightning trip-out rate on the photovoltaic side increases from 27.52 times/(100 km·a) to 29.63 times/(100 km·a), and the lightning risk is higher. When the photovoltaic side is struck by lightning, the tripping rate of the adjacent three towers affected by the lightning intrusion wave is doubled, and the risk level is also higher.

distributed photovoltaic  /  distribution lines  /  electrical geometry  /  lightning trip-out rate  /  risk assessment
Chen CHAI, Chao CAI, Yi-chuan HE, Peng LI, Tian WU, Zhi-qing MA. Lightning Risk Assessment Considering the Interaction between Distributed Photovoltaic and Distribution System[J]. Science Technology and Engineering, 2025 , 25 (17) : 7219 -7225 . DOI: 10.12404/j.issn.1671-1815.2408246
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doi: 10.12404/j.issn.1671-1815.2408246
  • Receive Date：2024-11-05
  • Online Date：2025-12-15
  • Published：2025-06-18
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  • Received：2024-11-05
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Affiliations
    1 College of Electrical Engineering & New Energy, China Three Gorges University, Yichang 443002, China
    2 Hubei Provincial Engineering Technology Research Center for Power Transmission Line(China Three Gorges University), Yichang 430002, China
    3 State Grid Hubei Electric Power Company, Wuhan 430000, China
    4 Wuhan NARI Limited Liability Company of State Grid Electric Power Research Institute, Wuhan 430206, China
    5 Qinghai Electric Power Test and Research Insititute, Xining 810008, China
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