HTS - cross technology for energy technique

5 kWh / 250 kW Flywheel with HTS Bearing

CFRP Rotor

HTS bearing

Power electronics

YBCO bulks

Magnet excitation system

Concept:

    • storage capacity:    5-6 kWh / 250 kW
    • HTS magnetic bearings, low loss
    • high rim speed (800 - 1000 m/s)
    • annular CF rotor body
    • low loss high power generator / motor
    • time to full power : 2 millisec

Specification:

  • Compact design / comparable small volume
  • Stored energy /max. power: > 5 kWh/250 kW
  • Non-contacting magnetic rotor stabilization
  • 450 kg composite fibre rotor
  • Low electrical and windage losses
  • High –efficient PM motor / generator
  • HTS bearing: 10 N/cm² force density
  • UPS and power quality application
  • Round -trip efficiency > 90 %