Traction 28V aviation power supplyVehicles are mainly used to provide the required AC and DC power supply to aircraft during pre flight, post flight, inspection, and troubleshooting work, as well as the power supply for hangar engine oil seal starting. 28.5V DC stabilized power supply is an alternative product to thyristor power supply. The 27V DC power supply is a 28.5V DC regulated power supply designed and manufactured specifically for aviation and commercial electronic and electrical equipment, using high-frequency power electronic switch conversion technology. It can be used as a testing power supply for various aircraft and onboard equipment, radar, navigation, and more. The 27V DC stabilized power supply is suitable for starting and ground instrument maintenance of business jets, government jets, helicopters, drones, and training aircraft.Traction 28V aviation power supplyProvide main power supply of DC 14V, 27V, and 28V for the airport.
Traction 28V aviation power supplyOutput current 50A-2500A can be customized according to customer requirements, voltage: 28.5V (15-32V adjustable, can be set according to aircraft protection voltage)/270V (0-300V adjustable) DC voltage adjustment range (10-40V and 40-300V) continuously adjustable, adjustable power input method: single-phase 220V or three-phase 380V. Output ripple factor: 0.1% -0.4%, load voltage regulation rate: less than 0.1%, power supply voltage regulation rate: less than 0.1%
The aircraft engine oil seal power supply uses inverter technology to convert a 50Hz power frequency power supply into a 28.5V stabilized power supply, which is used for starting civil aircraft and commercial aircraft, as well as for power on inspection of onboard equipment.
Traction 28V aviation power supplyAdopting high-frequency power electronic switch conversion technology and multi-stage waveform closed-loop control technology, it has fast dynamic response and low output ripple. The product adopts advanced SPWM inverter technology and intelligent control system, selects advanced and highly reliable industrial standard components, and adopts a first-class production process, making it have superior performance indicators and high reliability. It has the advantages of small size, light weight, low noise, high efficiency, and simple operation
The engine oil seal power supply can be provided in fixed and mobile forms according to user requirements.
Traction 28V aviation power supplyAdopting the Air France high-speed chopper solution, no large capacity inductance is required Capacitors and other filtering devices.
Traction 28V aviation power supplyFundamentally solve voltage overshoot The problem of voltage imbalance.
1. High stability and long service life;
2. The output lead has a long-distance voltage drop compensation function to ensure the accuracy of terminal voltage under high current;
3. The closed-loop response speed reaches 1 second, and an isolation transformer structure is used to ensure the safety of the electrical structure.
4. The output stage adopts a non high frequency rectification scheme, which avoids the uncontrolled current effect of high frequency rectifier components and ensures the safety characteristics of the system under high current working conditions
5. Adopting a high brightness LED digital display screen with a voltage resolution of 0.01V and a current resolution of 0.1A.
6. Working temperature: -40 ℃ to 65 ℃.
7. Adopting high-frequency PWM and full bridge conversion technology, the overall efficiency of the machine is high;
8. High power density design, the main models are designed to accommodate standard cabinets, making them easy to use in various situations. They can be used in parallel with high currents up to 5000A;
9. LCD display, intuitive operation, easy to use;
Supports communication interfaces such as RS232 (standard), RS485 (optional), GPIB (optional), etc;
Complete protection functions: input phase loss protection, input overvoltage protection, output short-circuit protection, output overvoltage protection, output overcurrent protection or current limiting protection, internal overheating protection.
Applicable occasions: DC28.5V ground DC power supply is widely used in power equipment for aerospace, ground radar stations, ships, submarines, computer stations, Junshi precision instruments and imported equipment.
Working mode: It has two working modes: constant voltage and constant current;
Traction 28V aviation power supplyexecution standard
The RAD series DC converter power supply is produced according to the following standards:
GJB 181A-2003 Aircraft Power Supply Characteristics
MH/T 6018-1999 Ground Static Power Supply
GJB 2677-96 Radar Distribution Subsystem Performance Testing Method DC Power Supply, Single phase AC Power Supply
GJB 150-86 Environmental Test Methods for Residential Equipment
GJB 151A-97 Electromagnetic emission and sensitivity requirements for user equipment and subsystems
GJB 152A-97 Electromagnetic emission and sensitivity measurement of user equipment and subsystems
