Cathodic Protection
For Offshore Wind Farms
An introduction
Offshore wind turbines typically suffer an extreme set of circumstances. Often placed in estuaries, commonly in very shallow water, their structures are at serious risk from high flow rates and seabed movement.
Deepwater Corrosion Services has applied 20 years of experience with the offshore oil and gas industry to overcome these problems. The environmentally friendly, sub bottom impressed current VSE Anode (vaulted seawater envelope) is powered by the turbine itself, and provides protection in all conceivable aquatic conditions.
Wind turbines suffer above water as well, where cathodic protection is impossible. Corrosion-induced failure of components associated with the dynamics of the turbine could have catastrophic results. Deepwater's risk based inspection services can alleviate the risk of failure. We provide inspection and consulting services for all types of corrosion prevention problems.
Related Technical Papers
Offshore Cathodic Protection 101
A brief tutorial about the science of cathodic protection as it pertains to offshore structures, complete with diagrams, chemical equations etc.
Offshore Risk-based Corrosion Integrity Management
The management of corrosion and integrity for offshore applications has become more critical as deepwater exploration and production continues. There are many challenges ahead ...
Corrosion Control Products for Wind Turbines
VSE Anode™
The VSE Anode (Vaulted Seawater Envelope) is designed to provide reliable long-term cathodic protection in shallow water locations where the anode system must be buried below natural bottom. The unit is self-burying, creating a stable envelope of water inside its shell for the MMO anodes to operate within.
DR-2 CD™
The Dr-2 CD is a dual reference cell with both Ag/AgCl and Zn electrodes. The DR-s CD can be welded to new construction or retrofitted with a RetroClamp. In addition, the metal fin on top provides current density readings, which can help monitor polarization of the structure.
SmartMat™
The SmartMat is a standard concrete stabilization mattress with aluminum or zinc sacrificial anodes cast inside each segment, connected with steel rope and attached to the structure in need of cathodic protection. The compliant nature of the mat combined with its weight make it a good choice for unstable conditions.