Product Name: 270V Aviation High Voltage DC power supply
Product line: dcks23
1、 Introduction
270V military DC power supply is a high-voltage DC power supply specially designed and manufactured for the new generation of fighters and airborne electronic equipment. The products can meet different specifications from 10a to 250A

Power supply demand of occasion; power supply adopts modular design, multiple protection measures and power redundant output, which improves the reliability of products to the maximum extent.

2、 Applicable places

1. Power supply for new military aircraft and airborne equipment;
2. Aircraft field maintenance and repair;
3. Aircraft simulation test;
4. Special DC test and power supply for aerospace, vehicle and ship and other national defense sites.

1. High frequency PWM hardware control technology, fast response, stable output;



2. High power IPM / IGBT full bridge conversion technology, reliable operation, strong overload capacity;



3. With the function of output interception, it has strong ability of resisting load impact;



4. The combination of software and hardware protection design, perfect protection function, effectively improve product reliability;



5. The unique function of fault self diagnosis greatly shortens the time of fast maintenance and fault handling;



6. Intelligent operation display interface, with fault type judgment and indication function;



7. Standard module design, parallel redundant power supply, fault module automatic removal, does not affect the normal power supply of the system.

1. Model and specification: dcks23-270100e

2. Three phase four wire system of input power: 220V / 380V ± 10%, 50Hz ± 10%;



3. Rated output voltage: 270vdc;



4. Adjustable range: 230V ～ 310vdc;



5. Rated output current: 100A;



6. Current limiting adjustable range: 25-125a;



7. Voltage regulation resolution: 1V;



8. Ripple noise: VRMs ≤ 1V (resistive load);



9. Source voltage effect: ≤ 0.5%;



10. Load effect: < 1%;



11. The transient characteristics meet the requirements of GJB 572a;



12. Overload capacity: 125% rated current operation time shall not be less than 5min;



13. Efficiency: ≥ 85%;



14. Output voltage display: 4-bit led, resolution 0.1V;



Range: DC 0V ~ 310V maximum allowable error: ≤ ± 0.5% FS (Note: FS means full range);



16. Output current display: 4-bit led, resolution 0.1A;



Range: DC 0A ～ 199.9a maximum allowable error: ≤± 2% FS; (above 10% rated value);



17. Automatic protection function: input phase loss, over-voltage and under voltage; output current limit (25a-125a), short circuit and over-voltage; power module overheating;



18. Noise: ≤ 65dB (a);



19. Working environment temperature: - 25 ℃ ~ 50 ℃;



20. Relative humidity: 10-95%;



21. Enclosure protection grade: IP20;



22. Overall dimension of the case: (w × D × h) 560mm × 600mm × 660mm (excluding the support foot);



Note: it can be customized according to special requirements.