【摘要】 阐述了直流杂散电流干扰对管道腐蚀的基本原理 ,针对直流杂散电流的特点及工程测试要求 ,设计了智能杂散电流测试仪并用于地下管道的工程测试中。实际应用表明 ,该仪表具有良好的性能。更多还原

【Abstract】 Explained the basic pri nciple o f the corrosion of the oil pipeline caus ed by the stray electric current.Conside ring the characteristic of the stray ele ctric current and the request of project application,have designed the intell igent measuring instrument of stray elec tric current used in actual project appl ecation.The practical application indica tes that the instrument has good perform ance.更多还原