Used Hobart 90 kVA Aircraft Ground Power Unit

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The used Hobart 90SX200 solid state frequency converter is a towable mounted unit that provides 90 kVA output to power aircraft on the ground for maintenance or hangar use.

Input

  • 100 @ 460 VAC
  • 118 @ 400VAC
  • Configuration: 3 wire with grounded service
  • Starting Current: <100% full load
  • Power Factor: >0.98 lagging from 10% to full load

Output

  • 90 KVA ( 72KW continuous)
  • 115/200 VAC, 3 Ph, 400Hz

Overloads

  • 125% - 10 minutes
  • 150% - 30 seconds
  • 200% - 10 seconds

Input Protection

  • Phase loss
  • Low/High Input Voltage

Output Protection

  • Over/Under Voltage per Mil Std 704E & ARP5015
  • Over/Under Frequency per Mil Std 704E & ARP5015
  • Short Circuit - Solid state shutdown of unit without damage to unit

Internal Protection

  • Door interlock
  • Cooling loss/Over temperature
  • Contactor Failure
    • Contacts Stuck (Open/Closed)
    • Coil Open
  • Power Supply Voltage
  • Transistor failure / over current
  • Lamp test

Voltage

  • Voltage Regulation: less than ±1% no load to rated load
  • THD (total harmonic distortion): < 3%
  • IHC (individual harmonic content): <2%
  • DC Content: 100mv maximum
  • Voltage Modulation: <0.5% RMS
  • Phase Displacement: 120 ±1.5 degrees
  • Transient Performance exceeds Mil-Std-704E
  • Output Voltage Adjustment Range: ±15%
  • Phase Voltage Balance (balanced load): <2%
  • Voltage Unbalance (10% unbalanced load on a single phase): < 3 volts
  • Crest Factor: 1.414 ±0.07
  • Line Drop Compensation: Automatic up to 8%

Frequency

  • Frequency Modulation: < ±0.25%
  • Frequency Regulation: ± 0.2 Hz (.05 %)
  • Frequency Drift: ±0.05% at any load

Controls

  • On/Off: each output
  • Output Voltage: each phase (L-N) and avg.
  • Output Current: each phase and avg.
  • Input Power Lamp (green)
  • Output Power Lamp: each output (amber)
  • Fault Lamp (red)
  • EF Interlock Status
  • Circuit Breaker Handle: removes input power
  • Door Interlock
  • Line Drop Compensation Adjust

Weight

  • 1100 lbs (500 kg)


**Specifications subject to change without notice

General Information
Part #90SX200
ManufacturerHobart
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