Tallinna Elektrotehnika Tehas Estel AS
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Estel - Model GPU FCA-B Series -Battery-Performance Ground Power Unit
Our battery-powered GPU FCA-B Series is ideally designed to supply all types of aircraft with AC and DC voltage for flight preparation and maintenance. Mobility, zero emission and a low noise level allow it to be used in multiple locations with stable output parameters – from hangars to gates and aprons.
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- Zero emission during operations
- Up to 12 hours of operation on one charge
- 100% output power under any temperature conditions with no battery efficiency loss
- Continuous 400Hz and 28VDC output even while charging
- Recharge from standard 50/60Hz mains socket
- Adjustable maximum charging current from remote control for optimum charging
Battery-powered GPU has two operational modes:
Self-powered mode:
- supply from internal battery packs
- Static mode:
- supply from external power source
- Static mode can be operated while GPU is under charge.
Features
- Zero emission during operations.
- 100% output power under any temperature conditions with no battery efficiency loss.
- Up to 12 hours of operation on one charge.
- Continuous 400Hz and 28VDC output even while charging.
- Recharge from standard 50/60Hz mains socket.
- Adjustable maximum charging current from remote control for optimum charging.
- Turbo-Charge option with 1 hour to full capacity.
Output parameters (400Hz AC power):
- Rated output power, kVA: up to 180
- Rated output voltage phase/line, V: 3 x 115/200
- Output voltage frequency, Hz: 400 ± 0,01%
- Total harmonic content THDU, %: ≤ 2.0.
- Crest factor: 1.414±0.04
- Load power factor: from 0.8 lagging to 0.95 leading
- Load variation range, %: 0…100
- Voltage regulation range, %:
- <0.5
- up to 30 for unbalanced (single phase) load
- Voltage modulation, %: <1.0
Permissible overload, % :
- within 2h, at cosφ =1: 100
- within 600 s: 150
- within 30 s: 200
- within 10 s: 250*
- within 5 s: 300*
- within 2 s: 400*
*Overloads are applicable only in Static mode
Output parameters (28VDC power):
- Nominal output voltage, V: 28
- Output voltage stabilization accuracy, %: 0.85
- Voltage ripple, %: <1
- Rated output current, A: 600
- Voltage compensation, V: 0 – 5
- Output voltage adjustment range, V: 19 – 33
- Permissible output current overload, A:
- within 30 s: 1200
- within 10 s: 1800
- within 5 s: 2100
- within 2 s: 2400
Input parameters:
- Rated supply voltage, V: 3x400, PE
- Supply voltage permitted deviation, V:
- Static mode: 340…460
- Charging mode: 285…475
- Rated supply frequency, Hz: 45…65
- Overall efficiency at nominal condition, %: ≥ 95
- Starting current: No, soft start
Miscellaneous:
- Overall dimensions W x H x D, mm: 2800 x 1560 x 1450
- Weight, kg: ≤2000
- Ingress protection (converter module): IP55
- Maximum ambient temperature, º?: +50
- Minimal ambient temperature, º?: -40
- Relative humidity, %: 10…100
- Audible noise at 1m distance, dB: ≤ 65
