OCC-Bidirectional Converter

Breakthrough Technology

OCC-BDC leverages unique patented technology invented at Caltech & University of California and developed by the world-leading power electronic experts under partial sponsorship of the U.S. Department of Energy. OCC-BDC is the first hardware-enabled 3-phase Bidirectional Converter with high reliability, fast dynamics, and simple user interface, enabling autonomous bidirectional AC/DC conversion with regulated DC bus and unity power factor AC power.

Applications

• Regenerative PFC front end for

  • motor drives

  • elevator AC/DC conversion

  • crane AC/DC conversion

• Dynamically adjustable electronic load with energy recycling capability

• Create DC a grid for

  • DC buildings

  • microgrid/hybrid grid/mobile grid

  • regenerative personal rapid transit systems

• Power generation inverter for wind, micro-hydro, solar, etc.

• Bidirectional inverter for flywheels, pumped-hydro energy, Rock power energy storage

Features

• One-Cycle Control Technology

• Power Factor > 0.99

• Current harmonics < 3%

• Efficiency > 98%

• Stable zero load operation

• Fast response speed (100s of microsec)

• Lightweight ~ 30kg (70lbs)

• High power density ~1.2W/cm3 (20W/inch3)

• 400, 1000Hz, or variable frequency available for custom products

• Single unit 40 or 60kW, scalable to MW

Specification

Link to Brochure