1、 Introduction
Fcw400s series products adopt power electronic transformation and intelligent control technology, mainly for the ground power supply of aircraft airborne equipment, and the high-performance broadband voltage power supply designed for the test of military electronic and electrical equipment. It fully meets the application requirements of wide frequency conversion under different occasions and test conditions. The biggest feature is that the power supply can achieve a wide range of frequency and voltage setting output. Users can set the output parameters according to their own requirements, and the power supply can output power according to the setting mode.

2、 Applicable places
It is mainly applicable to large aircraft and airborne equipment, radar, navigation and other occasions with wide frequency and voltage power supply requirements, and is the upgrading product of intermediate frequency static variable power supply. Users are customer groups such as aviation research institute, military factory, army, civil aviation, etc., which are used in laboratories, electrical workshops, measurement and testing rooms, aircraft hangars, aprons and other occasions.

3、 Executive standard
Power supply characteristics of gjb181a-2003 aircraft
Gjb572a-2006 aircraft external power supply characteristics and general requirements
MH / t6018 ground static transformer power supply
Power supply characteristics of mil-std-704e aircraft
General requirements for ground support power supply of iso6858 aircraft

1. The output frequency can be set arbitrarily in the range of 200-900hz, and the resolution is 0.1Hz;

2. The output voltage can be set arbitrarily in the range of 30-185v with a resolution of 0.1V;

3. Perfect protection function to ensure the safety and stability of the back-end;

4. RS485 / 232 communication interface is connected with upper computer to realize remote control and status monitoring;

5. High frequency switching technology, multi loop control, high quality output waveform, good response time and dynamic characteristics;

6. Output intercepting function, which can meet the requirements of shock load starting;

7. Optimized man-machine interface, highlighted LCD display, simple and convenient operation;

8. Power on self check function ensures stable and reliable operation process;

9. 1.5 times overload capacity design to meet the working requirements of different loads;

10. Optimize the air duct design, improve the cooling capacity of the power supply, reduce the loss, and extend the product life.