FLYTEK GPU – 400Hz GPU | 45 KVA – 180 KVA

FlyTek GPUs (Ground Power Units) contain power ratings from 45kVA to 180kVA making this product line perfect for any commercial, industrial or military application involving a variety of aircrafts. Through innovative research and development, FlyTek GPUs are efficient, easy to operate and maintain. They use double conversion technology with an integrated inverter output transformer to ensure galvanic isolation of the load. Dependent upon rating, these units are available in mobile, towable, and fixed configurations. In addition, FlyTek offers 28VDC/AC combination units.

Input

  • State of the art semiconductor technology (IGBT) Rectifier
  • Power Factor Correction (PF= 1)
  • 95% efficiency
  • 4 Quadrant Operation (bteter response of the system and safer operation for NBPT)
  • Low input harmonics (<1.5% THDi), to comply with the strictest regulations @ any load

Output

  • Voltage compensation (Load Dependent or via Remote Feedback – Real PLUG & PLAY. Connect GPU to aircraft and voltage compensation is done automatically, no user adjustment required or additional accessories)
  • 4 Quadrant Operation (better response of the system and safer operation for NBPT)
  • Vector control Inverter for better response and higher efficiency.

Norms and Standards

Aviation

  • ISO 6858 – Aircraft ground support electric supplies
  • SAE ARP 5015 – Ground equipment 400 Hz ground power performance requirement

Military

  • MIL-STD-704 – Aircraft electric power characteristics

EMC

  • EN6100-6-4 – Electromagnetic compatibility Generic emission standard
  • EN6100-6-2 – Generic immunity standard

Safety

  • IEC 60529 Degrees of protection provided by enclosures (IP Code)
  • IEC 62477-1 – Safety requirements for power electronic converter systems and equipment

Environmental

  • Dry heat test (steady state) IEC 60068-2-2 subclause 5.3
  • Damp heat test IEC 60068-2-78 subclause 6
  • Vibration test IEC 60068-2-6 subclause 6
  • Salt mist test IEC 60068-2-52 subclause 6
  • Dust and sand test Test Lc1 of IEC 60068-2-68

Efficiency

  • Up to 94% – 30KVA to 90kVA @ load PF = 0.8 to 1.090% – < 30kVA @ load PF = 0.8 to 1.0
  • Green Standby Function – losses: 20 WNo load losses: <1%

Technology

  • Enclosure Protection class up to IP55
  • Enclosure with C5-M coating
  • No break power transfer compatibility (NBPT)
  • Over/Under voltage at output
  • Variable fan speed for internal temperature control
  • Over temperature protection
  • Short circuit proof by electric current limiting and shutdown
  • Overload capability designed for:
    • Power stage 150% – Continuous
    • Magnetics 120% – Continuous
  • Regulator Overload protections set at.
    • 120% for 600 seconds
    • 150% for 60 seconds
    • 200% for 2 second
  • 90% switch interlock

Specifications

Input

  • 3 phase 460V / 480V AC | ± 10%
  • 50/60Hz | ± 10%
  • Input current harmonics | <2% @ Full Load

Output

  • 3 phase 200V AC -400Hz | ± 1%
  • Overall Efficiency | 90% – 95%
  • Max. Crest Factor | 1.4:4

Rectifier

  • 4 Quadrant Operation
  • AC Voltage Range | -25% + 10%
  • Efficiency | 95%-97%
  • Input Frequency Deviation | 10%
  • Overload Capacity | 120% Continuous
  • Inrush Current | None
  • Overall current limit | 150%

Inverter

  • Static Regulation 0 – 100% load | ± 1%
  • Dynamic regulation 100% | 10%, recovering to 1% within 2ms
  • Total harmonic distortion | Better than 2% (Linear Load)
  • Electronic Limit Overload | 120%@600s; 150%@60s; 200%@5s
  • Overload Capacity (IGBTs) | 150% Continuous
  • Frequency stability | ±0.01 Crystal Controlled
  • Load power factor | 0-1
  • Efficiency | 95% 98%
  • Short circuit proof by electric current limiting and shutdown

Environmental Conditions

  • Coolant temperature (max) | Forced air up to 40°C
  • Ambient temperature (min/max) | -40°C to 40°C
  • Relative humidity (min/max) | 0% to 90% without condensation
  • Pollution degree | 2
  • OVC (Overvoltage Category) | 3
  • Altitude | Up to 2000m

Technical Drawing