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Bidirectional DC_DC converter
4.2
Application background A bidirectional DC-DC converter for battery energy storage device is designed and fabricated, and the charge and discharge function of the battery is realized.Key settings, can be automatically converted. Key Technology A bidirectional DC-DC converter for battery energy storage is designed. The system to stm32f103zet6 microcontroller as the control core, the output PWM signal through the 6n137 optocoupler isolation, IR2110 driver power MOS and the lm358 do voltage follower, INA282 collect current, through the ads1115 acquisition to the microcontroller to achieve negative feedback control. Using TFT-LCD to display the operation interface and the corresponding parameters, and PID algorithm, can realize the software on the protection, and the stability of charging current. The application of GUI interface makes the man-machine interface more friendly and the overall operation is more intelligent and simple. Through the test, t
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