On-site Detection and Protection Plan for Buried Gas Pipelines Interfered by Subway of Stray Current in Beijing

According to the field test data and subway interference risk assessment results on a high-pressure pipeline section of Beijing Gas, a field test of interference protection was carried out. Based on the field test results, a subway stray current interfence protection scheme for this section of gas pipeline was determined. And provide reference for the evaluation and control of gas pipeline subway stray current.