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HTS windmill demonstrator

1ton HTS bearings

The maximum radial forces are 4700 N, resulting in a magnetic pressure of 6 N/cm² (axial 13 N/cm²). The bearing consists of about 5 kg melt textured YBCO which enables to levitate 1000 kg. The magnetic levitation efficiency approaches a surprising 1: 200 value.

Fig.   Axial and radial forces: 1000 kg axial; 470 kg radial

Fig.   Experimental set - up of damping

 

Fig.   Axial forces: 72 K; maximum load 1000 kg

Fig.   Radial damping factor as a function of the temperature