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Energy Storage

Rotary UPS

Powerbridge Flywheel

Energy Storage

The Powerbridge is a battery-free alternative for DC energy supply in a Piller UPS system. A vertically mounted flywheel and generator, the Powerbridge is designed to operate within a speed range of 3,600 to 1,500 rpm. The highly reliable, easily maintainable Powerbridge is an environmentally clean source of back up power.  

  • 19MWs energy storage capacity possible
  • Bridging time of minutes possible during total power failures
  • No air-conditioning required
  • Defined, predictable charging states
  • Parallel units are possible
  • Largest available kinetic Energy Storage