1、 Introduction

AC / DC, DC / DC series shipboard module power supply is a special power module developed by power electronic high frequency conversion technology, which is specially used to provide power for shipboard equipment system. The module has the characteristics of small size, high power supply quality, high stability, strong environmental adaptability, etc. it is mainly used in high temperature, high humidity, high corrosion and other environments such as ships.



2、 Executive standard

Gjb13a-97 electrical code for ships

Gjb2532-95 general specification for marine electronic equipment

Gjb150-86 environmental test method for military equipment

Gjb151a-1997 electromagnetic emission and sensitivity requirements for military equipment and subsystems

Hjb280-2003 packaging requirements for special equipment of naval ships

Gjb202a-98 general specification for marine power distribution and control devices

1. IGBT high frequency switching control technology is adopted to make the regulated power supply have good output performance and system stability;

2. The output over-current protection adopts cut-off protection, which has strong adaptability to the impact of load;

3. By using the advantages of low loss in IGBT high frequency switch mode, PWM conversion is completed, which makes the converter have the characteristics of small volume, light weight, high efficiency and high reliability;

4. Standardized module design makes the maintenance of power supply simple and fast.

Technical index 1:

1. Input voltage: AC380V ± 20%;

2. Input frequency: 50Hz ± 5%;

3. Output voltage: 26V;

4. Output power: 200W;

5. Output current: 7.7a;

6. Voltage accuracy: ≤± 1%;

7. Voltage regulation rate: ≤ 0.5%;

8. Current regulation rate: ≤ 1%;

9. Ripple coefficient: ≤ 1%;

10. Overcurrent protection: current limiting type;

11. Boundary dimension: 250mm × 160mm × 60mm;

12. Operating temperature: - 55 ℃ ~ + 85 ℃.

Technical index 2:

1. Input voltage: DC24V (18v-36v);

2. Output (four channels): ① DC 15V, 3A; ② 15V, 1.5A; ③ 15V, 1A; ④ 5V, 4a (all channels are isolated);

3. Voltage accuracy: ≤± 1%;

4. Voltage regulation rate: ≤ 0.5%;

5. Current regulation rate: ≤ 1%;

6. Ripple coefficient: ≤ 1%;

7. Overcurrent protection: current limiting type;

8. Boundary dimension: 180mm × 160mm × 50mm;

9. Operating temperature: - 55 ℃ ~ + 85 ℃.