28V 500A Rectifier
2.Technology: High-efficiency IGBT-based switching rectifier with 12-pulse input.
3.Input: Compatible with global 3-phase AC mains (208V-480V, 50/60Hz).
4.Output: Precisely regulated, low-ripple DC power for sensitive avionics.
5.Core Application: Primary or auxiliary 28VDC power source for aircraft ground support, maintenance, and engine start.
6.Key Features: High efficiency, MIL-STD interlock, comprehensive protection, remote monitoring.
7.Brand: ACSOON (support OEM).
- Product Description
XI'AN JERRYSTAR INSTRUMENT CO., LTD specializes in designing and manufacturing robust 28V 500A Rectifier units for critical aviation ground power applications. As part of our trusted GPU series, this rectifier delivers stable, clean, and reliable 28VDC power essential for aircraft systems testing, servicing, and auxiliary power requirements. Engineered for durability and safety, it meets stringent military and aerospace standards.
| Parameter | Specification |
|---|---|
| Input (AC) | |
| Phases | Three Phase + PE |
| Voltage | 208V, 380V, 400V, 415V, 440V, 480V (±15%) |
| Frequency | 50Hz / 60Hz (40-70Hz range) |
| Power Factor | ≥ 0.9 |
| Output (DC) | |
| Voltage | 28.5V DC (Nominal), adjustable 20V - 32V |
| Current | 500A (Rated) |
| Ripple | ≤ 0.25V |
| Regulation | ±1% |
| Performance | |
| Efficiency | ≥ 93% |
| General | |
| Display | VFD for V, A, kW, Status, Error Codes |
| Protection | OCP, OVP, SCP, OTP, Reverse Polarity |
| Overload | 125% (10 min), 150% (60s) |
| Cooling | Forced Air |
| Enclosure | IP54 (Standard) |
| Operating Temp. | -20°C to +50°C |
| Standards | GJB181A, MIL-STD-704F, ISO6858 |
28V 500A Rectifier Main Features
- High-efficiency, low-ripple DC output: 28.5VDC ±1%, Ripple ≤0.25V.
- 12-pulse rectifier input for low harmonic distortion and high input power factor (≥0.9).
- Comprehensive digital (VFD) display for voltage, current, power, and status.
- Auto voltage compensation and adjustable output range (20V-32V).
- Full suite of protections: Over Current, Over Voltage, Short Circuit, Over Temperature.
- Robust overload capacity: 125% for 10 min, 150% for 60s.
- Standard communication interface (RS232) for remote monitoring and control.
- Complies with GJB181A, MIL-STD-704, and other relevant aviation standards.
Why Choose ACSOON 28V 500A Rectifier?
The ACSOON 28V 500A Rectifier is built for performance and reliability in demanding airport and hangar environments. Key advantages include:
Precision & Stability: Provides tightly regulated DC voltage with low ripple (≤0.25V), ensuring safe operation of sensitive aircraft electronics.
High Efficiency & Reliability: ≥93% efficiency reduces energy costs and thermal stress, backed by a high MTBF (50,000 hours).
Rugged & Safe Design: Features complete protection (overload, short circuit, overheating), an IP54 rating for harsh environments, and a critical 28VDC military interlock for operational safety.
Smart Control: Integrated self-diagnosis system with error code display and event logging for easy maintenance and troubleshooting.
Global Compatibility: Wide-range AC input accepts various three-phase power sources worldwide.
Application Areas
The 28V 500A Rectifier is vital for numerous aviation ground support scenarios:
- Military Aircraft Servicing: Providing compliant 28VDC power for avionics, communications, and pre-flight checks on military platforms.
- Commercial Aircraft Maintenance: Used in hangars for powering aircraft systems during overnight servicing, testing, and component checks.
- Aircraft Engine Starting: Serving as a stable DC power source in conjunction with starter units.
- Ground Power Carts (GPU): Integrated into mobile or stationary ground power units as the dedicated DC power module.
- Aerospace Testing Labs: Providing precise and reliable DC power for bench testing of aircraft components and subsystems.
Our Services
Quality Control
Every 28V 500A Rectifier is validated through:
- Incoming inspection of all components (IGBTs, transformers, controllers).
- Full-load burn-in testing for a minimum of 8 hours.
- Ripple, regulation, and transient response performance verification.
- Safety and protection function tests under simulated fault conditions.
- Final inspection against applicable military and aviation standards.
R&D Results
Our continuous development enhances the 28V 500A Rectifier platform:
- Advanced digital control algorithms for superior voltage stability and dynamic response.
- Optimized thermal management design for reliable operation in extreme temperatures.
- Integration of smart monitoring features for predictive maintenance.
Packaging and Transportation
- Securely mounted in a robust, IP54-rated steel cabinet (optional trolley mounting).
- Packed in a custom wooden crate with shock-absorbing and waterproof materials.
- Clearly labeled with handling instructions and safety warnings.
- Shipped globally via air or sea freight with full documentation.
After-Sales Service
- Comprehensive 24-month warranty.
- Access to detailed technical manuals and wiring diagrams.
- Remote technical support and troubleshooting.
- Available service contracts and on-site maintenance.
- Guaranteed supply of spare parts and modules.
Qualification Certification
Our manufacturing and the 28V 500A Rectifier are designed to meet:GJB572A-2006, GJB181A-2003 (Chinese Military Standards)；MIL-STD-704F (Aircraft Electric Power Characteristics)；ISO6858 (Aircraft Ground Support Power)；CE Compliance (EMC & Safety)
FAQ |
|---|
| Q1: What is the purpose of the 28VDC military interlock? |
| A: It is a critical safety feature that ensures the rectifier only delivers power when properly connected to the aircraft, preventing electrical hazards. |
| Q2: Can this rectifier be used in parallel for higher current? |
| A: Certain models can be configured for parallel operation. Please consult our engineering team for specific requirements. |
| Q3: What is the typical input cable requirement? |
| A: It depends on the input voltage and distance. Specifications are provided in the installation manual. Generally, a 3-phase 5-wire cable (L1, L2, L3, N, PE) is required. |
| Q4: How do you monitor the unit's status remotely? |
| A: Via the built-in RS232 communication port, which allows for real-time data monitoring and control through a SCADA system or our provided software. |
| Q5: Is customization for different voltage/current ratings possible? |
| A: Yes. We offer customization for various DC output voltages and currents to meet specific project needs. |
Contact Us
For technical specifications or customized 28V 500A Rectifier solutions: acpower@acsoonpower.com, or submit your requirements using the form at the bottom of our website.
