OCC-Power Factor Corrected Rectifier
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. 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
Our Solution
Correct the power factor to unity with low harmonics
Stabilize DC bus against grid voltage fluctuation
Reduce facility transformer loading
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
Features
One-Cycle Control Technology
Current harmonics < 3%
Power factor > 0.99
Efficiency > 98%
Stable zero load operation
Ultrafast response speed (100s of microsec)
Light weight < 29kg (65lbs)
High power density ~1.2W/cm3 (20W/inch3)
400Hz or variable frequency by custom order
Single unit 40 or 60kVA, scalable to MVA
Specification
| Product | PFC3050A6480/8001IR | PFC3050A5380/6351IR | PFC3100A6208/3651IR |
|---|---|---|---|
| PFC3075A6480/8001IR | PFC3075A5380/6351IR | ||
| Electrical Specifications | |||
| AC Phase/Wires | 3 phase/3 wires | ||
| AC Freq Range (Hz) | 57 - 63 | 47 - 53 | 57 - 63 |
| AC Voltage Range (V, rms) Line-to-Line | 400 - 552 | 320 - 440 | 175 - 240 |
| Max AC Current (A, rms) | 75 / 50 | 100 | |
| DC Bus Voltage (V) | 800 | 635 | 365 |
| Efficiency @ Full Power | 98.3% / 97% | ||
| AC Current THD @ Full Power | 3% | ||
| Power Factor @ Full Power | 0.99 | ||
| Mechanical Specification | |||
| Weight kg (lb) | 32 (70) | ||
| Size (L x W x H) cm (inch) | 58 x 45 x 13 (23 x 17.5 x 5.25) | ||
| Environment Specifications | |||
| Operating Temp. (℃) | 0 to 40 | ||
| Operating Relative Humidity w/o Condensation | 0 - 95% | ||
| Storage Temp (℃) | -10 to 55 | ||
| Audible Noise (dBA) @ 1m (3ft) | 80 | ||
| Safety | |||
| UL 508C | Designed | ||