Air+MAK Static frequency converter / Solid state Ground Power Unit (SGPU), are now part of our standard Ground support Equipment and is the safest and most reliable frequency converter solution for aircraft power supply requirements. We manufacture static frequency converter of fixed, trailer mounted & Jet bridge mounted systems. The frequency converter systems are variants ranging from 40kW to 144kW and many more.
Air+Mak Static Frequency Converter & Solid State Ground Power Units are designed with Power factor correction to guarantee a perfect sinusoidal input current from 25% to 150% load and a low THDi (<3%)ensuring high quality, maximum efficiency frequency converters and secure electrical power supplies.
Salient Features
- CE Mark Certified
- State of the art semi conductor technology
- Unity power factor through APFC
- High efficiency (Up to 95%)
- Low THDi <2% at linear load
- Data logging
- MCU based monitoring and control
- Green Standby Function
- Line drop voltage compensation
- No break power transfer compatibility (NBPT)
- User friendly control panel
- IP 54 Enclosures for outdoor use
- Low noise emission (<65dBA@1m)
Solid State Ground Power Unit (SGPU)TECHNICAL SPECIFICATIONS |
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|---|---|
| INPUTS | |
| Voltage | : 3 phase 400V/415V AC ±15% |
| Frequency | : 45Hz up to 65Hz± 5% |
| OUTPUTS | |
| Voltage | : 3 phase 200V AC -400Hz ±1% |
| Overall Efficiency | : 87%-95% |
| Max. Crest Factor | : 1.4:1 |
| RECTIFIER | |
| 4 Quadrant Operation AC Voltage Range | : 25% +10% |
| Efficiency | : 93%-97% |
| Input Frequency Deviation | : ±5% |
| Overload Capacity | : 150% Continuous |
| Inrush Current | : None |
| Overall current limit | : 120% Continuous |
| MOUNTING CONFIGURATION | |
| FIXED/TRAILER/JET BRIDGE | |
| INVERTER | |
| Static Regulation 0 – 100% load | : ± 1% |
| Dynamic regulation 100% | : 5%, recovering to 1% within 40 ms |
| Total harmonic distortion | : < 2% (Linear Load) |
| Electronic Limit Overload | : 120%@60s; 150%@5s;200%@2s |
| Overload Capacity (IGBTs) | : 150% Continuous |
| Frequency stability | : ± 0.01% Crystal controlled |
| Load power factor | : 0-1 |
| Efficiency | : 93%-98% |
| PROTECTIONS | |
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| ENVIRONMENTAL CONDITIONS | |
| Operating Temperature | : 0°C to +55 °C (@100% Load) |
| Relative Humidity | : 10%-100% |
| Noise Level | : < 65 dBA@1 meter |
| Altitude | : up to 2500m without de-rating |
| * Due to continuous development, the specifications, layout, configuration and dimensions are subject to change without notice. | |
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