@Article{ee.2026.076359,
AUTHOR = {Zhengzheng Fu, Songhai Fan, Qianqiu Shao},
TITLE = {Research on Modeling Single-Phase Tree Contact Faults in Distribution Networks Based on Tree Temperature},
JOURNAL = {Energy Engineering},
VOLUME = {},
YEAR = {},
NUMBER = {},
PAGES = {{pages}},
URL = {http://www.techscience.com/energy/online/detail/27820},
ISSN = {1546-0118},
ABSTRACT = {Tree-contact single-phase-to-ground faults (TSF) along transmission and distribution line corridors can ignite trees, trigger fires, and threaten normal line operation. Existing research remains unclear on the mechanism by which tree temperature influences fault evolution. This study therefore investigates fault current characteristics during TSF. First, numerical relationships between fault currents under tree temperature conditions were derived based on conductive medium transmission mechanisms and equivalent circuit models. Second, a fitting model for tree conductivity versus tree temperature was constructed; these numerical relationships were applied to iterative calculations within the fault model. A tree-line fault model based on tree temperature was established and integrated into the fault model for iterative solution, capturing the dynamic changes in the actual tree state. This enabled simulation of fault currents during the TSF process. Finally, experimental data validated the model, demonstrating that the developed equivalent model accurately fits both the magnitude and waveform of TSF currents. These findings hold significant implications for the detection, diagnosis, and prediction of TSF.},
DOI = {10.32604/ee.2026.076359}
}