The programmable 27V DC power supply utilizes voltage mode PWM control and IPM high-frequency full-bridge conversion technology, featuring overcurrent capability and low output ripple.
Features include compact size, light weight, low noise, and simple operation.
Performance Features:
Utilizing high-frequency PWM and IPM full-bridge conversion technology, efficiency up to 85%
2. Excellent output stability: Source voltage effect ≤0.5%, load effect ≤0.5%
3. Output wave pattern below ≤1%
4. Comprehensive protective functions ensure the normal operation of power equipment and the safety of the load.
5. 10-turn voltage potentiometer, adjustable within a range of 18V to 32V
6. 10-turn current adjustment potentiometer, capable of limiting the output current value between 30% and 105% of the rated value during short-circuit and overload conditions.
7. Current Output Range: 100A to 3500A
8. LED voltage and current digital display; easy start/stop operation
Applicable Occasions:
Aircraft and on-board equipment startup and testing
Manufacturing, inspection, and maintenance of radar, navigation, and other aviation electronic equipment, as well as on-site repairs and maintenance for aircraft
Aircraft Simulation Testing
Aerospace, vehicle, ship, and other specialized locations requiring DC testing and power supply; any other situations where DC power is needed.
Standard of Execution:
GJB 181A-2003 "Aircraft Power Supply Characteristics"
GJB 572-88 Specification for Characteristics and General Requirements of Aircraft Ground Power Supply
MH/T 6018-1999 "Ground Static Power"
Appendix to 28V Aviation DC Power Supply Technology
| Model | RAD28-______ |
| Output Current | Rated 50A-3500A (Customizable according to customer requirements) capable of unattended 24/7 long-term operation |
| Peak Current | Customized according to customer requirements |
| Circuit topology structure | SPWM/IGBT Full-Bridge Circuit |
| Dynamic Characteristics | Overshoot and recovery time meet the requirements of GJB572 regulations. |
| Input Method | 220V±15%/380V±15% 50HZ±5HZ |
| Output Voltage | 28V DC (Adjustable Range: 0-32V) |
| Load regulation | ±0.5%FS |
| Wavy Voltage | ≤1% |
| Power Voltage Stabilization Rate | ±0.5%FS |
| Power Regulation Ratio | ±0.5%FS |
| Load Adjustment Rate | ±1%FS |
| Display Control Method | LCD touch screen display, with both remote and local control options |
| Voltage Display Accuracy | ±1%FS |
| Current Display Accuracy | ±2%FS |
| Protection Method | Input phase failure, overvoltage, undervoltage, and reverse flow protection; Overvoltage, undervoltage, short circuit, current limiting, inverter overcurrent, internal overheating |
| Average Repair Time | ＜20 minutes |
| Overall Efficiency | 90% |
| In-and-out line method | Power side in/out cable |
| Noise | ≤65dB at 1 meter from the cabinet |
| Insulation resistance, voltage resistance | 20 Megohms 1800V/AC 1M1N |
| Airflow direction for heat dissipation | Forced air cooling, front and side exhaust, rear intake |
| Application Environment | Temperature: -25 - 65℃; Humidity: 0 - 90% non-condensing; Corrosion and alkali-resistant treatment |
Note: This power supply has been treated with appropriate electromagnetic compatibility measures, as well as moisture, smoke, and dampness protection.
