String Power Booster (SPB)

as bidirectional DC/DC-Converter


  • Active connection of a storage stack with max 800 V
  • Bidirectional running, charging and discharging controlled by programmable „operation modes“

➢ System power limitation, load shaving, UPS, manual loading

  • DC/DC Converter 30 kW/100 A, short term overload capacity
  • Ultracompact because of SiC-Technology


  • Captive increase
  • Loadshifting & PulsePower
  • Energy Recovery
  • Emergency Power (UPS function)