Our 28 VDC GPUs are continuous DC power supply units that supply DC power to civilian aircraft that are on the ground to start the engine and the APU (Auxiliary Power Unit) of the aircraft as well as for the on-board power supply.
Technical specification
| Input | • Power Factor Correction (PF=1) |
| Technology | State of the art semiconductor technology (IGBT) guarantee Unity Power Factor and Low Input Harmonics (THDi < 1.5%). |
| Options | The 28 VDC GPUs are available in two options: mobile and fixed. • 300 A continuous - 1200 A Peak load • 600 A continuous - 2400 A Peak load. |
| Output | • AC-DC Converter; • Galvanic isolated AC-DC Converter |
| Efficiency | • Up to 90% efficiency; • Green Standby Function - losses: 20 W; • No load losses: < 600W. |
Standards
| AVIATION | • ISO 6858 Aircraft ground support electric supplies. |
| MILITARY | • MIL-STD-704 Aircraft electric power characteristics. |
| EMC | • EN 61000-6-4 EMC - Generic emission standard. • EN 61000-6-2 EMC - Generic immunity standard. |
| SAFETY | • IEC 62477-1 Safety requirements for power electronic converter systems and equipment. • IEC 60529 Degrees of protection provided by enclosures (IP). |