Skip to content

Ultracapacitor Wind Retrofit

Replace pitch system Sealed Lead Acid batteries with no maintenance ultracapacitors on GE 1.x and 2.x wind turbines

Capacitor Charger Unit (CCU)

Windurance has designed and validated a Capacitor Charger Unit (CCU) for the LiCAP Technologies, Inc. Wind Retrofit ultracapacitor sub-system. The wind retrofit is packaged as blade kits or full turbine kits to replace the pitch actuator batteries in GE model 1.x and 2.x wind turbines. See

  • Fast and easy to install complete electromechanically package, CCU, brackets, cables

  • Robust electrical design tested to exceed IEC electrical immunity standards

  • Universal design serves 20Nm and 30Nm configurations

  • Lightning protection conforms to IEC 62305-1 standards

  • Robust wide operating voltage range protection from high line levels, and maintains operation at low line levels

  • Capacitor status monitoring

  • Tested to IEC 60068-2 Shock and Vibration standards