Zhouxiao LIU, Zhangmiaoge LIU, Ning WANG. High efficiency thermoelectric refrigeration system based on energy feedback[J]. Optical Instruments, 2022, 44(1): 70
- Optical Instruments
- Vol. 44, Issue 1, 70 (2022)
Fig. 1. Diagram of circuit
Fig. 2. Diagram of control circuit
Fig. 3. ADP5091 PCB circuit diagram
Fig. 4. Flow chart of the improved algorithm that combines the PID algorithm and state machine control with three states
Fig. 5. H bridge control circuit
Fig. 6. Transient U /I variation in the PWM and TEC devices
Fig. 7. Circuit of temperature control and energy feedback system.
Fig. 8. Experimental diagram of photovoltaic power generation unit
Fig. 9. Relationship between the light intensity of a single photovoltaic panel and the generated current and voltage
Fig. 10. Computer display interface
Fig. 11. Experimental platform
Fig. 12. Current data of charging and discharging battery pack
Fig. 13. The data comparison diagram of the traditional PID and the control algorithm of this system
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Table 1. State mode of charge and discharge switching
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