Breakthrough Technology:
OCC-Power Factor Corrected Rectifier leverages unique patented technology invented at Caltech & University of California and developed by the world leading power electronic experts under the partial sponsorship of U.S. Department of Energy. OCC-PFC is the first hardware-enabled 3-phase PFC rectifier with high reliability, ultrafast dynamics, and simple user interface, enabling AC/DC conversion with regulated DC bus and unity power factor.

Problems:
• Diode rectifier front-ends do not meet power quality regulation
• Equipment with diode rectifier sensitive to grid voltage fluctuation
• Facility transformer overloaded

OCC Solution:
• Correct the power factor to unity with low harmonics
• Stable DC bus during grid voltage fluctuation
• Reduce facility transformer loading

OCC Applications:
• PFC front-end for motor drives
• PFC front-end for UPS
• PFC front-end for medical/industrial equipment
• Data center high voltage DC power supply
• Semiconductor foundry power supply with unity
power factor
• Electronic AC load with dynamically adjustable
inductive/capacitive impedance and energy
regeneration capability
• Microturbine power generation rectifier
• Wind power generation rectifier
• Microhydro power generation rectifier

OCC Benefits:
• Hardware enabled control –– fast, stable, reliable
• High efficiency –– energy saving
• Simple user interface –– low maintenance & service
• Modular plug & play architecture –– scalable
• Long life design ––reduces logistics & installation cost
• Light weight minimum raw material usage
–– environmentally friendly
• Small size –– space saving
• ETL listed–– safe and high quality
• Department of Energy sponsored and award winning –– highly competitive

Sponsorship:
Developed under partial sponsorship of the US Department of Energy

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— Convert AC to regulated DC with unity power factor

40kw-product

OCC Features:
• One-Cycle Control technology
• Power factor >0.99
• Current harmonics <3%
• Efficiency >97%
• Stable zero load operation
• Leading response speed (100s of microsec)
• Leading light weight < 29 kg (65 lbs)
• Leading power density ~1.2W/cm3 (20W/inch3)
• 400Hz or variable frequency by custom order
• Single unit 40kW, scalable to MW

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made in ca

240kw-rack

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