The Influence Analysis of Stray Current on Urban Power Grid Substation Underlocal Damage of Rail Ground Insulation
2022 4th International Conference on Control and Robotics (ICCR)(2022)
摘要
With the increase of the operation time of urban rail transit system, the insulation between the track and the earth is partially damaged due to environmental, stress damage and other factors, resulting in increased stray current leakage. The stray current flowing into the ground will flow into the neutral point of the transformer in the surrounding substation, which will have an impact on the urban power grid substation. The simulation model is used to analyze the impact of the location and number of rail ground insulation damage points on the ground potential and the impact of voltage and current density between substations with electrical connection relationship after rail ground insulation damage, providing support for rail ground insulation damage protection.
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关键词
Urban rail transit,Stray current,Insulation damaged,Substation Introduction
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