Research Article

Microwave Structural Health Monitoring of the Grouted Connection of a Monopile-Based Offshore Wind Turbine: Fatigue Testing Using a Scaled Laboratory Demonstrator

Table 1

Operating parameters of the radar sensor.

Parameter or componentValueComment

HousingIP66Robust, dust-proof, and waterproof
InterfaceEthernetHigh data rates over long distances
Power supplyPoECommon cable for interface and power supply
Power consumption∼10 WLimited by the PoE splitter used
CoolingPassiveNo active cooling (fan) required
Minimum frequency∼100 MHz
Maximum frequency2 GHz
Max. transmission power1 WReducible by ∼40 dB
HF connectorN-femaleRobust
Impedance50 ΩFor all transmission and reception channels
Transmission channels2Operation individually or in parallel
Receive channels3Simultaneous reception and evaluation
Weight3 kgWithout cable and environmental sensor