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Frequency Converter | Central Power

FCX Systems Inc., a worldwide leader in solid-state 400Hz technology since 1987, continues to provide customers with state-of-the-art technology to meet the changing needs of the marketplace. FCX Engineers have designed an economical, compact 312KVA solid-state frequency converter intended for direct genset replacement or which might be utilized in compact settings. This high performance unit is indoor rated, constructed to operate under the most extreme situations. The unit requires minimal space while offering easy front and rear access to the unit for simple servicing. FCX has achieved high performance and increased reliability by using laminated bus integrated inverter modules. The performance characteristics are enhanced by micro-processor controllers with field programmable logic. This advanced design has long made the FCX converter the top converter in the world.
  • Higher efficiency than rotating converters
  • True RMS Design for precise voltage control of non-linear loads.
  • Integrated IGBT driver/power modules providing the most compact and reliable inverter design
  • Easy access for servicing
  • Built-in Line Drop Compensation
  • User-friendly controls
  • RS485 is standard communication interface
  • RS232 is optional upon request
  • 300% overload capacity (optional)
  • Clean, reliable power
60kva-312kva and above Central systems for all aircraft needs
  • Input Power

    Input Voltage :
    480VRMS+/- 10%, 3 phase 380VRMS+/- 10%, 3 phase 208VRMS+/- 10%, 3 phase Other voltages available
    Input Frequency :
    45 to 65Hz
    Input Phase Rotation :
    Any (automatic phase lock)
    Inrush Current :
    None (soft start to rated power)
    Protection :
    Overload, short circuit, over voltage, under voltage, phase loss, over temperature, access door interlock
    Input Current Distortion :
    <12% at rated load, < 5% available upon request
  • Output Power

    Output Power:
    Output Voltage:
    3 phase, 3 or 4 wire, ratings available from 200 VAC to 575VAC
    Output Frequency :
    400Hz, +/- 0.01%
    Voltage Recovery :
    Meets or exceeds limits of MIL-STD-704F, typically less than 50 milliseconds with a 100% load change
    Voltage Regulation :
    +/- 1% maximum
    Voltage Balance :
    +/- 1% for balanced loads, +/- 2% for 25% unbalanced loads
    Harmonic Content :
    2% max., 1.5% typical (line to line, or line to neutral)
    Overload Capacity :
    125% for one hour, 150% for 5 minutes, 200% for 20 seconds, 250% for 10 seconds, 300% for 6 seconds
    Overload, short circuit, over and under voltage per MIL-STD 704F, over temperature, isolation, aircraft 28VDC interlock—immediate shutdown, access door interlock
    Efficiency :
    92% load above 50% of rating
    Mean time to repair less than 30 minutes
  • Monitoring and Controls

    4 x 20 Character Backlit LED Display
    Frequency Operating Parameters & Diagnostics
    16 Key Matrix Keypad for easy menu selection
    Elapsed Time Meter
    Emergency Stop
    Audible Alarm
  • Environment

    Enclosure :
    Indoor rated
    Audible Noise Level :
    Less than 68dbA typical at 3 feet
    Ambient Temp. Range :
    Operating -40°C to +55°C (-40°F to +131°F)
    Humidity :
    0% to 100% with condensation
    Altitude :
    0 to 3,000 meters (10,000 ft.) without derating
    Wind :
    Up to 145 km/hr (90 mph)
    Standard color: Ultra Sonic Chrome. Other colors available.
  • Options and Accessories

    Output Terminal Blocks, Circuit Breaker, or Contactor
    Remote Boxes
    Aircraft Cables
    Distribution Panels
    Line Drop Compensators
    Gate Boxes
    Paralleling Capabilities
    Compact enclosure design for 575VAC output configurations (84”H x 48”W x 48”D)



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FCX Systems Makes An International Footprint


Replacing Diesel Generators for the Patriot Missile System. Patriot Missiles, the defensive anti-missile system designed by Raytheon, are installed around the world to protect cities subject to missile attack. While utility power around the word is either 50 Hz or 60 Hz, the Patriot system incorporates several elements that require reliable 400 Hz power. Therefore, […]


Engineering Complex Power Supply for F-22 Test Program In the early 2000s, the engineering staff from Edwards Air Force Base (AFB) distributed an inquiry regarding a power supply for a 270 VDC military aircraft. FCX did not initially respond to the inquiry, however no viable solutions were presented by the 11 companies that did respond. […]


Powering F-35s Aboard Aircraft Carriers Anticipating the deployment of F-35 airplanes aboard aircraft carriers, the U.S. Navy issued a requisition for development of a system to feed power to 400 Hz AC and 270 VCD aircraft with a minimum impact on the existing equipment and space. FCX used its experience with the 400 Hz AC […]


Solid-State Frequency Converter for a Floating Dry Dock. In 2008, a large floating dry dock – containing motor loads for cranes, capstans, ballast pumps and fire pumps – was transported to the Grand Bahama Shipyard. The dry dock required 50 Hz power, while the Bahamas utilizes 60 Hz power. To supply the 50 Hz power […]


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