海上风电腐蚀监测技术研究现状

Research Status of Offshore Wind Power Corrosion Monitoring Technology

海上风电设备的腐蚀会带来严重的财产损失,甚至危及人身安全,而监测技术可对设备的腐蚀情况进行连续监测,维持系统的安全平稳运行。为此,首先归纳探针技术、常规监测技术、电化学技术及其他腐蚀监测技术,其中:探针技术包括电阻探针、电位探针、电偶探针、电感探针、氢探针及电化学探针,电化学技术包括电化学阻抗谱、电化学噪声、光电化学、腐蚀电位、线性极化阻力等技术,常规监测技术包括失重、超声波、电偶电流、声发射、薄层活化、场图像、恒电量等技术;然后分别探讨每种技术对应的原理、适用情况及优缺点,指出腐蚀在线技术存在的问题以及下一步研究目标。

The corrosion of offshore wind power equipment will cause serious property losses and even endanger personal safety.The monitoring technology can continuously monitor the corrosion of equipment and maintain the safe and stable operation of the system.In this environment,probe technology,conventional monitoring technology,electrochemical technology and other corrosion monitoring technologies are summarized in this paper.Probe technology includes resistance probe,potential probe,couple probe,inductance probe,hydrogen probe and electrochemical probe.Electrochemical technology includes electrochemical impedance spectroscopy,electrochemical noise,photoelectrochemistry,corrosion potential,linear polarization resistance and other technologies.Conventional monitoring technologies include weightlessness,ultrasound,galvanic current,acoustic emission,thin layer activation,field image,coulostatic and other technologies.The principle,application,advantages and disadvantages of each technology are discussed respectively,the problems existing in the online corrosion technology are indicated,and the further research objectives are pointed out.