How to Design of Power Management of Hybrid Circuit(Li-Ion Battery and Li-Ion Capacitor) using MATLAB/Simulink Model
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The document discusses the design of a power management system for a hybrid circuit incorporating lithium-ion batteries and capacitors using MATLAB/Simulink. It describes various operating scenarios based on current load profiles and includes circuit methods for both battery-only and hybrid systems, detailing the performance of components under different conditions. The conclusion emphasizes the advantages of the hybrid circuit for handling high current waveforms.
![1.Circuit Method
Battery System only Hybrid(Battery and Capacitor) System
Lithium
Ion
Battery
Current
Load
Lithium
Ion
Battery
Current
Load
Lithium
Ion
Capacitor
Control
Current Load Profile
Hybrid(Battery and Capacitor) System
If Current load >4[A], Lithium Ion Capacitor work
If Current load =<4[A], Lithium Ion Battery work
2Copyright (C) Siam Bee Technologies 2015
Time values: [ 0s 25s 50s 120s 150s 180s ]
Y values: [ 0 11 2 2 11 2 ]](https://image.slidesharecdn.com/howtodesignofpowermanagementofhybridcircuitbatteryandcapacitorusingmatlabsimplemodel-150529062356-lva1-app6891/85/How-to-Design-of-Power-Management-of-Hybrid-Circuit-Li-Ion-Battery-and-Li-Ion-Capacitor-using-MATLAB-Simulink-Model-2-320.jpg)
![1.Circuit Method
Current Load Profile
Hybrid(Battery and Capacitor) System
If Current load >4[A], Lithium Ion Capacitor work
If Current load =<4[A], Lithium Ion Battery work
Lithium Ion Capacitor work
Lithium Ion Battery work
3Copyright (C) Siam Bee Technologies 2015
Lithium Ion Battery work](https://image.slidesharecdn.com/howtodesignofpowermanagementofhybridcircuitbatteryandcapacitorusingmatlabsimplemodel-150529062356-lva1-app6891/85/How-to-Design-of-Power-Management-of-Hybrid-Circuit-Li-Ion-Battery-and-Li-Ion-Capacitor-using-MATLAB-Simulink-Model-3-320.jpg)
![4. Conclusion
Battery System only Hybrid(Battery and Capacitor) System
Lithium
Ion
Battery
Current
Load
Lithium
Ion
Battery
Current
Load
Lithium
Ion
Capacitor
Control
SOC[%]
Start Stop
Lithium Ion
Battery
100 83.47
SOC[%]
Start Stop
Lithium Ion Battery 100 92.00
Lithium Ion Capacitor 100 21.68
If high Current wave form quickly, Hybrid Circuit is better.
8Copyright (C) Siam Bee Technologies 2015](https://image.slidesharecdn.com/howtodesignofpowermanagementofhybridcircuitbatteryandcapacitorusingmatlabsimplemodel-150529062356-lva1-app6891/85/How-to-Design-of-Power-Management-of-Hybrid-Circuit-Li-Ion-Battery-and-Li-Ion-Capacitor-using-MATLAB-Simulink-Model-8-320.jpg)
How to Design of Power Management of Hybrid Circuit(Li-Ion Battery and Li-Ion Capacitor) using MATLAB/Simulink Model
- 1. 30MAY2015 Bee Technologies http://www.bee-tech.info/ How to Design of Power Management of Hybrid Circuit(Li-Ion Battery and Li-Ion Capacitor) using MATLAB/Simulink Model 1Copyright (C) Siam Bee Technologies 2015 1.Circuit Method 2.Battery System only 3.Battery and Capacitor System 4.Conclusion
- 2. 1.Circuit Method Battery System only Hybrid(Battery and Capacitor) System Lithium Ion Battery Current Load Lithium Ion Battery Current Load Lithium Ion Capacitor Control Current Load Profile Hybrid(Battery and Capacitor) System If Current load >4[A], Lithium Ion Capacitor work If Current load =<4[A], Lithium Ion Battery work 2Copyright (C) Siam Bee Technologies 2015 Time values: [ 0s 25s 50s 120s 150s 180s ] Y values: [ 0 11 2 2 11 2 ]
- 3. 1.Circuit Method Current Load Profile Hybrid(Battery and Capacitor) System If Current load >4[A], Lithium Ion Capacitor work If Current load =<4[A], Lithium Ion Battery work Lithium Ion Capacitor work Lithium Ion Battery work 3Copyright (C) Siam Bee Technologies 2015 Lithium Ion Battery work
- 4. 2.Battery System only 4Copyright (C) Siam Bee Technologies 2015 1 Tscale 100 Soc PSSDISCHARGE LOAD V + - PS S OUTPUT 1 Ns NS C Tscale %SOC VSOC PLUS MINUS LI-ION_BATTERY 2 Capacity Current Load Profile
- 5. 2.Battery System only Current Load Battery Voltage Battery SOC(%): 100->83.47 5Copyright (C) Siam Bee Technologies 2015 (Second)
- 6. 3.Battery and Capacitor System 6Copyright (C) Siam Bee Technologies 2015 1 TSCALE PS PS PS S PS S PSS PSS DISCHARGE LOAD up u lo y up u lo y 100 SOC_C 100 SOC_B V + - V + - 0.0012 RDC PS S PS S PS S PS S OUTPUT 1 ON 0 OFF 1 Ns Merge Merge 0 LO NS CAP (F) TSCALE %SOC ESR RDC VSOC PLUS MINUS LI-ION_CAPACITOR NS C Tscale %SOC VSOC PLUS MINUS LI-ION_BATTERY else { } In1 Out1 if { } In1 Out1 u1 if (u1 > 4) else If -K- -K- 1-u Fcn 0.0008 ESR I + - I + - 2 CAPACITY 500 CAP SWITCH_ILOAD Set to “4” Current Load Profile
- 7. Control Battery Voltage Battery SOC(%): 100->92.00 3.Battery and Capacitor System Current Load Capacitor Voltage Capacitor SOC(%): 100->21.68 7Copyright (C) Siam Bee Technologies 2015 (Second)
- 8. 4. Conclusion Battery System only Hybrid(Battery and Capacitor) System Lithium Ion Battery Current Load Lithium Ion Battery Current Load Lithium Ion Capacitor Control SOC[%] Start Stop Lithium Ion Battery 100 83.47 SOC[%] Start Stop Lithium Ion Battery 100 92.00 Lithium Ion Capacitor 100 21.68 If high Current wave form quickly, Hybrid Circuit is better. 8Copyright (C) Siam Bee Technologies 2015