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Wind Farms
 
Wind farms consist of offshore structures, typically located in shallow waters, ranging from 2 to 30 meters. The submerged and mud part areas of the structures can be protected against corrosion, by the use of an Aluminum-Zinc-Indium alloy. This cathodic protection system can have an extended operational life period ranging from 15 up to 50 years depending on the application. The installation of the anodes can be achieved easily before or after the installation of the substructure pile, and usually depends on the type of the pile (monopole, tripod, jacket etc.)
Anodes can be installed on a structure either with clamps or on doubler plates to avoid any coating damage.
 

Wind Farm anodes

 

Specifications

 
Wind farm substructures (tripod, monopile or jacket type) are protected against corrosion by heavy weight anodes that drive a current output of several amperes to the surface of the structure, and can range in length from 1 to 3 meters. Due to the extended design operational period of these anodes (>15 years) their weight can vary significantly from 75kg up to 500kg per anode, and the tubular seamless pipes that are used as steel inserts for the anodes can vary from 63mm up to 114mm in diameter.
Wind farm anodes are stand-off types of anodes usually installed around the substructure in order to provide enough current for the protection of the steel jackets located in shallow waters.
The following type of anodes is suggested for applications in the wind farm industry
Stand Off
 
 
 
 
 
Type
LXWXH (mm)
OD (mm)
NW (kg)
ASOE1480
2373X160X162
60.3
148
ASOE1750
2500X190X190
114.3
175
ASOE2400
2622X210X10
114.3
240
ASOE3300
2372X252X244
114.3
330
ASOE4350
2910X254X257
114.3
435
ASOE5650
2973X283X283
114.3
565
L=Length , W1=width lower, W2 Width Upper,  H=Height, NW=Net weight, GW=Gross weight 
These anodes can be supplied with the following insert types depending on the structure requirements.
Alternative anode type
SOS –Trapezoidal anode with
tubular insert protruding from both ends
SOB - Trapezoidal anode with
“cowhorn” tubular insert protruding from
back face
SOF - Trapezoidal anode stand off
type with double crank flat bar
 
 
 
SOG - Trapezoidal anode with
“goalpost” tubular insert protruding from
back face
FFP - Trapezoidal anode flush
mounted flat plate insert
SOE - Trapezoidal anode with
“cowhorn” tubular insert protruding from
both ends
 
 

 
 
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