Fig. 1. Main circuit structure of high voltage power supply

Fig. 2. Main circuit of switch power supply module

Fig. 3. Switch power supply module controller

Fig. 4. Structure diagram of Real-Time control system

Fig. 5. Controller physical platform

Fig. 6. Control flow chart

Fig. 7. High voltage power supply test platform

Fig. 8. Voltage waveform during soft start process

Fig. 9. Output voltage and output current waveform

Fig. 10. Over current protection test waveform