杂散电流是指在设计或规定回路以外流动的电流，也被称为“迷流”。它在土壤中流动，且与被保护管道系统无关。该电流从管道的某一部位B进入管道，该部分称为阴极，电流沿管道流动一段距离后，又从管道C中流出，该部分称为阳极，此处管道产生阳极氧化，即杂散电流腐蚀。杂散电流腐蚀本质上是电化学腐蚀，阳极腐蚀较为严重。如图以直流牵引系统为例。
地电流杂散电流 terrestrial currents
杂散电流和CP干扰 Stray Current and CP Interference
杂散电流测定 Stray Current Indentification
杂散电流腐蚀 [化工] stray current corrosion
扩散杂散电流腐蚀 diffuse stray current corrosion
直流杂散电流 direct stray current
杂散电流腐蚀防护 stray current corrosion protection
杂散电流试验 stray current test
杂散电流磁场 stray current magnetism
The stray current corrosion has puzzled shipbuilding industry for a long time over the world.
杂散电流腐蚀是长期困扰国内外造船企业的共性问题。
参考来源 - 杂散电流腐蚀防护技术基础研究It is found that the simulation analysis of stray current canprovide a proper design than others, so it holds far more distinctive economic and social benefits.
应用实例表明，杂散电流仿真分析为工程实施提供了尽可能合适的设计方案，具有较明显的经济效益和社会效益。
参考来源 - 直流牵引供电系统中杂散电流防护方案研究与设计·2,447,543篇论文数据，部分数据来源于NoteExpress
偏移电流是开关卡产生的杂散电流(即使没有信号时)。
Offset current is a spurious current generated by a switching card even though no signals are applied.
根据南京地铁杂散电流监测的要求，设计了一套地铁杂散电流监测实用系统。
A set of subway stray current monitoring system is designed in accordance with the requirements to monitoring the stray current in Nanjing subway.
将电气系统正确的安装到船只上会减少杂散电流泄露的可能性，我们建议以下做法。
The correct installation of electrics on a boat will reduce the possibility of stray current leakage and the following actions are recommended.
应用推荐