Vehicle Mounted GPU 90KVA For DMP (Air)

90KVA Ground Power Unit (GPU) can be used as a Mobile Power Source for aircraft startup and to carry out maintenance / servicing of aircraft. This document explains general and technical specifications of 90KVA GPU, manufactured by NexTek Service. Since this is an indigenous product, variants suiting the requirements can easily be provided. Generator Unit:

  • Engine: Cummins 6BTA5.9 or any other, suiting clients’ requirement
  • Alternator: Marathon USA. The final output is 115/200 VAC, 400Hz, 3-phase, 4-wire, MIL-STD 704E compliant

AC Generating System

    • Voltage: 3 Phase 115/200 V
    • Rated Load Capacity: 260 Amp
    • Frequency: 400 Hz
    • Power factor: 0.8
    • Voltage regulation:<0.5% for balanced load and up to 30% unbalanced load
    • Voltage recovery: ∆U <8% and rec. time <10 ms at 100% load change
    • Phase angle symmetry:120° ± 1° for balanced load, 120° ± 2° for 30% unbalanced load

    DC Generating System

      • 56 VDC for starting on Chinese Aircraft
      • 28 VDC, 800Amps continuously
      • 1200 A for 30 seconds
      • 1800 A for 10 seconds
      • 2100 A for 5 seconds
      • 2400 A for 2 second

    Spares / Technical Support:

    • In country spares/technical support shall be provided for next 10 years
    • Comprehensive list of spares required for overhauling of GPU will be provided

    The total weight of the GPU is around 2700kg.

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