Dynamic Characteristics of an Offshore Wind Turbine with Tripod Suction Buckets via Full-Scale Testing

Figure 11

Spectral analyses of structural health monitoring system data along NNW direction under idling (stop) condition with (a) accelerometers and (b) strain gauges; rated operations measured in NNW direction with (c) accelerometers and (d) strain gauges.

(a)

(b)

(c)

(d)