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[1]王朝振.高唐阴保站阴极保护系统问题的解决[J].油气储运,2011,30(11):851-852.[doi:10.6047/j.issn.1000-8241.2011.11.015]
　Wang Chaozhen.Solution to the effectiveness of CP system in Gaotang CP Point[J].Oil & Gas Storage and Transportation,2011,30(11):851-852.[doi:10.6047/j.issn.1000-8241.2011.11.015]
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高唐阴保站阴极保护系统问题的解决

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年11期 页码: 851-852 栏目: 出版日期: 2011-11-25
Title:
Solution to the effectiveness of CP system in Gaotang CP Point
文章编号:
1000-8241(2011)11-0851-02
作者:
王朝振
中国石油山东天然气管道有限公司淄博输气站，山东淄博 255206
Author(s):
Wang Chaozhen
Wang Chaozhen：Zibo Gas Compressor Station，PetroChina Pipeline Company，Zibo，Shandong，255206.
关键词:
阴极保护; 通电点电位; 给定电位; 参比电极
Keywords:
cathode protection; feeding point potential; set potential; reference electrode
分类号:
TE833
DOI:
10.6047/j.issn.1000-8241.2011.11.015
文献标志码:
A
摘要:
中沧输气管道高唐阴保站阴极保护系统在运行过程中，通电点电位高于恒电位仪给定电位。
经过核查，排除了系统自身存在问题的可能性。对通电点电位的测量过程进行了分析，结果表
明：由于长效参比电极和便携式参比电极所处的电场强度不同，因此导致通电点电位与恒电位
仪给定电位存在ΔU 的差值。实践证明：直接将恒电位仪的长效参比电极接入通电点电位测试
箱中，使长效参比电极和便携式参比电极选用同一个基准零点，可以完全消除ΔU。
Abstract:
Investigation found that the potential of feeding point was higher than the set potential of potentiostat in Gaotang CP Point
of ZhongCang Gas Transmission Pipeline. There was no defect probability in CP system itself proved by relative inspection.
Analysis on the measuring process of feeding point showed that different electric intensity between the long-term reference
electrode and the potable reference electrode resulted in the ΔU between the potential of feeding point and the set potential from
potentiostat. Practice proved that if the long-term reference electrode of potentiostat was connected into the test box of feeding
point potential and a benchmark zero was adopted by the long-term reference electrode and the potable reference electrode，
the ΔU would be completely eliminated.

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备注/Memo

王朝振，助理工程师，1983 年生，2006 年毕业于中国石油大学（华东）油气储运专业，现主要从事输气管道防腐控制技术的
研究工作。电话：15865349875；Email：angel830818@sina.com（收稿日期：2011-02-24）

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