目前阴极保护电源位置没有根据直流接地极电流干扰的特点来布置,阴极保护电源只能单向输出且额定输出电流较小。根据直流接地极电流特性,使用具有双向输出能力的大功率阴极保护电源来抵御接地极电流对管道的影响,并通过分析直流接地极对油气管道的影响特点,提出了应对直流接地极电流影响下油气管道的阴极保护方案。

At present, the location of cathodic protection power supply is not arranged according to the characteristics of DC grounding electrode current interference. The cathodic protection power supply can only output in one direction and the rated output current is small. According to the current characteristics of DC grounding electrode, a high-power cathodic protection power supply with bidirectional output capability is used to resist the influence of grounding electrode current on the pipeline. By analyzing the influence characteristics of DC grounding electrode on oil and gas pipelines, a cathodic protection scheme for oil and gas pipelines under the influence of DC grounding electrode current is proposed.