电力系统保护与控制Issue(7)：57-64,8.
配电网单相接地电弧建模及仿真分析研究
Modeling and simulation analysis of arc in distribution network
许晔 1郭谋发 1陈彬 2杨耿杰1
作者信息
- 1. 福州大学电气工程与自动化学院，福建 福州 350116
- 2. 国网福建省电力 有限公司电力科学研究院，福建 福州 350007
- 折叠
摘要
Abstract
Studies on modeling and simulation of arc help to choose arc-extinction methods and line-selection methods in distribution network. Four kinds of arc mathematical equations are given such as Cassie, Mayr, Schwarz and the cybernetic model. Mayr, Schwarz and the cybernetic model are suitable for describing the arc characteristics when the grounding current is small. The arc model of Schwarz and the cybernetics is established, and these two models are compared using a test circuit of arc characteristics. The cybernetic model can set arc length, reflect the arc fault conditions and apply to simulation of single-phase arc grounding fault in resonant earthed system. The resonance earthed system model and the cybernetic model are established by ATP-EMTP, and the effect of arc length on arc impedance, steady and transient arc characteristics is analyzed. The results show that the cybernetic model is more intuitive and accurate to simulate arc grounding fault in resonant earthed system.关键词
谐振接地系统/单相接地/弧光接地/电弧模型/电弧长度/ATP-EMTPKey words
resonant earthed system/single phase grounding/arc grounding/arc model/arc length/ATP-EMTP分类
信息技术与安全科学引用本文复制引用
许晔,郭谋发,陈彬,杨耿杰..配电网单相接地电弧建模及仿真分析研究[J].电力系统保护与控制,2015,(7):57-64,8.
