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How to Design of Power Management of Hybrid Circuit(Battery and Capacitor) using LTspice Simple Model

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How to Design of Power Management of Hybrid Circuit(Battery and Capacitor) using LTspice Simple Model

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How to Design of Power Management of Hybrid Circuit(Battery and Capacitor) using LTspice Simple Model

  1. 1. 23APR2015 Bee Technologies http://www.bee-tech.info/ How to Design of Power Management of Hybrid Circuit(Battery and Capacitor) using LTspice Simple Model LTspice Version 1Copyright (C) Siam Bee Technologies 2015
  2. 2. 1.Circuit Method 2.Battery System only 3.Battery and Capacitor System 4.Conclusion LTspice Version SPICE Model using Simple Model by Bee Technologies Lithium Ion Battery Model http://www.bee-tech.info/simple-model-for-spice/lithium-ion-battery-model/ Lithium Ion Capacitor Model http://www.bee-tech.info/simple-model-for-spice/lithium-ion-capacitor-model/ 2Copyright (C) Siam Bee Technologies 2015
  3. 3. 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 3Copyright (C) Siam Bee Technologies 2015
  4. 4. 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 4Copyright (C) Siam Bee Technologies 2015
  5. 5. 2.Battery System only 5Copyright (C) Siam Bee Technologies 2015
  6. 6. 2.Battery System only Current Load Battery Voltage Battery SOC(%): 100->83.472 6Copyright (C) Siam Bee Technologies 2015
  7. 7. 3.Battery and Capacitor System 7Copyright (C) Siam Bee Technologies 2015
  8. 8. Control Battery Voltage Battery SOC(%): 100->92.016 3.Battery and Capacitor System Current Load Capacitor Voltage Capacitor SOC(%): 100->21.678 8Copyright (C) Siam Bee Technologies 2015
  9. 9. 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 83.472 SOC[%] Start Stop Lithium Ion Battery 100 92.016 Lithium Ion Capacitor 100 21.678 If high Current wave form quickly, Hybrid Circuit is better. 9Copyright (C) Siam Bee Technologies 2015

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