OCC 4 Wire Off-Grid Inverter — One-Cycle Control

OCC-4 Wire Off-Grid Inverter

Breakthrough Technology

OCC-4WI leverages unique patented technology invented at Caltech & University of California Irvine and developed by the world leading power electronic experts under partial sponsorship of U.S. Department of Energy. The Army-Award-Winning OCC-4WI is the first hardware-enabled 3-phase 4-Wire Off-Grid Inverter that connects DC sources to Off-Grid AC loads with high reliability, ultrafast dynamics, and simple user interface, enabling high-quality output power to diverse and imbalanced loads, The OCC-4WI features industry-leading dynamic performance and power density.

Applications

Remote Power
Mobile Power

Options

Adjustable Voltage
Adjustable Frequency
50, 60, or 400Hz output
Various output voltages
Extended Temperature Range
Condensing Environments

Features

One-Cycle Control Technology
Voltage Ripple < 3%
Efficiency > 97%
Light weight < 29kg (65lbs)
High power density ~1.2W/cm3 (20W/inch3)
Single unit 40 or 60kVA, scalable to MW

Specification

  
    Product
    4WI3050A2480/8002IR
    4WI3050A2380/6332IR
    4WI3100A2208/3652IR
  
    4WI3075A6480/8002IR
    4WI3075A5380/8002IR
  
  	Electrical Specifications
  
  	AC Phase/Wires
    3 phase/4 wires 
  
  	AC Freq (Hz)
    60
    50
    60
  
  	AC Voltage Range (V, rms) Line-to-Line
    480
    380
    208
  
  	Max AC Current (A, rms)
    75 / 50
    100
  
  	AC Circuit Breaker (if used) Voltage Rating (Vrms)
    
    600
    250
  
  	AC Circuit Breaker (if used) Current Rating (Arms)
    75 / 50
    100
  
  	AC Circuit Breaker (if used) Interrupt Current (Arms)
    6k
  
  	DC Voltage Range (Vdc)
    725 - 900
    600 - 900
    330 - 400
  
  	Max DC Current (Adc)
    75 / 50
    100
  
  	Efficiency
    98.3% / 96%
  
  	AC Voltage % THD @ Full Power
    3%
  
  	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)
  
  	Bench Mount
    ✓
  
  	19" Rack Mount
    ✓
  
  	Wall Mount
    ✓
  
  	NEMA type
    1
  
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

Product	4WI3050A2480/8002IR	4WI3050A2380/6332IR	4WI3100A2208/3652IR
	4WI3075A6480/8002IR	4WI3075A5380/8002IR
Electrical Specifications
AC Phase/Wires	3 phase/4 wires
AC Freq (Hz)	60	50	60
AC Voltage Range (V, rms) Line-to-Line	480	380	208
Max AC Current (A, rms)	75 / 50	100
AC Circuit Breaker (if used) Voltage Rating (Vrms)	600	250
AC Circuit Breaker (if used) Current Rating (Arms)	75 / 50	100
AC Circuit Breaker (if used) Interrupt Current (Arms)	6k
DC Voltage Range (Vdc)	725 - 900	600 - 900	330 - 400
Max DC Current (Adc)	75 / 50	100
Efficiency	98.3% / 96%
AC Voltage % THD @ Full Power	3%
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)
Bench Mount	✓
19" Rack Mount	✓
Wall Mount	✓
NEMA type	1
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

Link to Brochure