PSpiceによるバッテリー回路アプリケーション

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PSpiceによるバッテリー回路アプリケーション(POWER POINT VERSION)

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PSpiceによるバッテリー回路アプリケーション

  1. 1. PSpiceによるバッテリー回路アプリケーション<br />株式会社ビー・テクノロジーhttp://www.bee-tech.com/horigome@bee-tech.com<br />1<br />Copyright (C) Bee Technologies Inc. 2010<br />
  2. 2. 2<br />Copyright (C) Bee Technologies Inc. 2010<br />
  3. 3. モデル<br />デザインキット回路方式のテンプレート<br />回路解析シミュレータPSpice (ABMライブラリーが豊富)<br />3<br />Copyright (C) Bee Technologies Inc. 2010<br />ABM=Analog Behavior Model<br />
  4. 4. Copyright (C) Bee Technologies Inc. 2010<br />4<br />http://www.bee-tech.com/<br />
  5. 5. スパイス・パーク http://www.spicepark.com/55種類のデバイス、3,328モデル(2010年7月29日現在)をご提供中。現在、グローバル版スパイス・パークを準備中。<br />5<br />Copyright (C) Bee Technologies Inc. 2010<br />
  6. 6. Copyright (C) Bee Technologies Inc. 2010<br />6<br />Bee Style: http://www.spicepark.com/スパイス・パークのログイン後トップページにて、PDFでバックナンバーも含めPDF形式で参照及びダウンロード出来ます。<br />
  7. 7. バッテリーのスパイスモデルの推移<br />7<br />Copyright (C) Bee Technologies Inc. 2010<br />リチウムイオン電池ニッケル水素電池<br />鉛蓄電池<br />
  8. 8. 8<br />Copyright (C) Bee Technologies Inc. 2010<br />
  9. 9. Design Kit<br />PV Li-Ion Battery System<br />9<br />Copyright (C) Bee Technologies Inc. 2010<br />
  10. 10. BAYSUN’s Lithium-Ion Batteries Pack : Power Battery Plus (PBT-BAT-0001) <br /><ul><li>Capacity............................65[Wh], 4400[mAh] (Approximately)
  11. 11. Rated Current....................3[A]
  12. 12. Input Voltage.......................20.5 [Vdc]
  13. 13. Output Voltage....................12.8 ~ 16.4 [Vdc] ( 4 cells )
  14. 14. Charging time......................5[hours] (Approximately)</li></ul>1.1 Lithium-Ion Batteries Pack Specification<br />10<br />Copyright (C) Bee Technologies Inc. 2010<br />
  15. 15. 1.2 Discharge Time Characteristics<br />0.2C ( 880 mA )<br />0.5C ( 2200 mA )<br />1C ( 4400 mA )<br />TSCALE=3600 means time Scale (Simulation time : Real time) is 1:3600<br />Batteries Pack Model Parameters<br />NS (number of batteries in series) = 4 cells<br />C (capacity) = 4400 mA<br />SOC1 (initial state of charge) = 100%<br />TSCALE (time scale) , simulation : real time<br /> 1 : 3600s or <br /> 1s : 1h<br />Discharge Rate : 0.2C(880mA), 0.5C(2200mA), and 1C(4400mA)<br />11<br />Copyright (C) Bee Technologies Inc. 2010<br />
  16. 16. 1.3 Single Cell Discharge Characteristics<br />Single cell discharge characteristics are compared between measurement data and simulation data.<br />Single cell<br />Measurement<br />Simulation<br />12<br />Copyright (C) Bee Technologies Inc. 2010<br />
  17. 17. 1.4 Charge Time Characteristics<br />SOC [%]<br />Vbatt [V]<br />ICharge [A]<br />Batteries Pack Model Parameters<br />NS (number of batteries in series) = 4 cells<br />C (capacity) = 4400 mA<br />SOC1 (initial state of charge) = 100%<br />TSCALE (time scale) , simulation : real time<br /> 1 : 3600s or <br /> 1s : 1h<br />Charger Adaptor <br />Input Voltage = 20.5 Vdc<br />Input Current = 880 mA(max.)<br />13<br />Copyright (C) Bee Technologies Inc. 2010<br />
  18. 18. BP Solar’s photovoltaic module : SX330 <br /><ul><li>Maximum power (Pmax)..............30[W]
  19. 19. Voltage at Pmax (Vmp).............16.8[V]
  20. 20. Current at Pmax (Imp)...............1.78[A]
  21. 21. Short-circuit current (Isc)...........1.94[A]
  22. 22. Open-circuit voltage(Voc)...........21.0[V]</li></ul>2.1 Solar Cells Specification<br />502mm<br />595mm<br />14<br />Copyright (C) Bee Technologies Inc. 2010<br />
  23. 23. 2.2 Output Characteristics vs. Incident Solar Radiation<br />SX330 Output Characteristics vs. Incident Solar Radiation<br />SOL=1<br />Current (A)<br />SOL=0.5<br />SOL=0.16<br />SOL=1<br />Power (W)<br />Parameter, SOL is added as normalized incident radiation, where SOL=1 for AM1.5 conditions<br />SOL=0.5<br />SOL=0.16<br />Voltage (V)<br />15<br />Copyright (C) Bee Technologies Inc. 2010<br />
  24. 24. 3. Solar Cell Battery Charger<br />Solar Cell charges the Li-ion batteries pack (PBT-BAT-001) with direct connect technique. Choose the solar cell that is able to provide current at charging rate or more with the maximum power voltage (Vmp) nears the batteries pack charging voltage.<br />PBT-BAT-0001 (Li-ion batteries pack)<br />Charging time is approximately 5 hours with charging rate 0.2C or 880mA<br />Voltage during charging with 0.2C is between 14.7 to 16.9 V<br />16.9 V<br />14.7 V<br />0.2C or 880mA<br />16<br />Copyright (C) Bee Technologies Inc. 2010<br />
  25. 25. 3.1 Concept of Simulation PV Li-Ion Battery Charger Circuit<br />Over Voltage Protection Circuit<br />Short circuit current ISC depends on condition: SOL<br />16.8V Clamp Circuit<br />Lithium-Ion Batteries Pack<br />Photovoltaic Module<br />PBT-BAT-0001 (BAYSUN)<br />DC12.8~16.4V (4 cells)<br />4400mAh<br />SX 330 (BP Solar)<br />Vmp=16.8V<br />Pmax=30W<br />17<br />Copyright (C) Bee Technologies Inc. 2010<br />
  26. 26. 3.2 PV Li-Ion Battery Charger Circuit<br />Input value between 0-1 in the “PARAMETERS: sol = ” to set the normalized incident radiation, where SOL=1 for AM1.5 conditions.<br />18<br />Copyright (C) Bee Technologies Inc. 2010<br />
  27. 27. 3.3 Charging Time Characteristics vs. Weather Condition<br />Simulation result shows the charging time for sol = 1, 0.5, and 0.16. <br /> sol = 1.00 <br /> sol = 0.50<br /> sol = 0.16 <br />19<br />Copyright (C) Bee Technologies Inc. 2010<br />
  28. 28. 3.4 Concept of Simulation PV Li-Ion Battery Charger Circuit + Constant Current<br />Over Voltage Protection Circuit<br />Short circuit current ISC depends on condition: SOL<br />16.8V Clamp Circuit<br />Lithium-Ion Batteries Pack<br />Photovoltaic Module<br />Constant Current Control Circuit<br />PBT-BAT-0001 (BAYSUN)<br />DC12.8~16.4V (4 cells)<br />4400mAh<br />SX 330 (BP Solar)<br />Vmp=16.8V<br />Pmax=30W<br />Icharge=0.2C (880mA)<br />20<br />Copyright (C) Bee Technologies Inc. 2010<br />
  29. 29. 3.5 Constant Current PV Li-Ion Battery Charger Circuit<br />Input the battery capacity (Ah) and charging current rate (e.g. 0.2*CAh) in the <br />“PARAMETERS: CAh = 4400m and rate = 0.2 ” to set the charging current.<br />21<br />Copyright (C) Bee Technologies Inc. 2010<br />
  30. 30. 3.6 Charging Time Characteristics vs. Weather Condition(Constant Current)<br />Simulation result shows the charging time for sol = 1, 0.5, and 0.16. If PV can generate current more than the constant charge rate (0.2A), battery can be fully charged in about 5 hour.<br /> sol = 1.00 <br /> sol = 0.50<br /> sol = 0.16 <br />22<br />Copyright (C) Bee Technologies Inc. 2010<br />
  31. 31. 4.1 Concept of Simulation PV Li-Ion Battery System in 24hr.<br />Over Voltage Protection Circuit<br />The model contains 24hr. solar power data (example).<br />16.8V Clamp Circuit<br />Photovoltaic Module<br />Lithium-Ion Batteries Pack<br />Low-Voltage Shutdown Circuit<br />PBT-BAT-0001 (BAYSUN)<br />DC12.8~16.4V (4 cells)<br />4400mAh<br />SX 330 (BP Solar)<br />Vmp=16.8V<br />Pmax=30W<br />Vopen= (V)<br />Vclose= (V)<br />DC/DC Converter<br />DC Load<br />VIN = 5V<br />IIN = 1.5A<br />VIN=10~18V<br />VOUT=5V<br />23<br />Copyright (C) Bee Technologies Inc. 2010<br />
  32. 32. 4.2 Short-Circuit Current vs. Time (24hr.)<br />Short-circuit current vs. time characteristics of photovoltaic module SX330 for 24hours as the solar power profile (example) is included to the model.<br />The model contains 24hr. solar power data (example).<br />24<br />Copyright (C) Bee Technologies Inc. 2010<br />
  33. 33. 4.3 PV-Battery System Simulation Circuit<br />Solar cell model with 24hr. solar power data.<br />Set initial battery voltage, IC=16.4, for convergence aid.<br />SOC1 value is initial State Of Charge of the battery, is set as 70% of full voltage.<br />Lopen value is load shutdown voltage. Lclose value is load reconnect voltage<br />7.5W Load (5Vx1.5A).<br /> Simulation at 15W load, change I1 from 1.5A to 3A<br />25<br />Copyright (C) Bee Technologies Inc. 2010<br />DCDCコンバータの簡易モデル<br />DCACコンバータの簡易モデルもあります。<br />
  34. 34. 4.3.1 Simulation Result (SOC1=100)<br />PV generated current<br />PV module charge the battery<br />Battery voltage<br />Battery current<br />Battery supplies current when solar power drops.<br />Fully charged, stop charging<br />SOC1=100<br />Battery SOC<br />DC output voltage<br />DC/DC input current<br />Charging time<br />C1: IC=16.4<br />Run to time: 24s (24hours in real world)<br />Step size: 0.01s<br /><ul><li>.Options ITL4=1000</li></ul>26<br />Copyright (C) Bee Technologies Inc. 2010<br />
  35. 35. 4.3.2 Simulation Result (SOC1=70)<br />PV generated current<br />PV module charge the battery<br />V=Lopen<br />Battery voltage<br />V=Lclose<br />Battery current<br />Battery supplies current when solar power drops.<br />SOC1=70<br />Fully charged, stop charging<br />Battery SOC<br />Shutdown<br />DC output voltage<br />DC/DC input current<br />Reconnect<br />Charging time<br />C1: IC=16.4<br />Run to time: 24s (24hours in real world)<br />Step size: 0.01s<br />SKIPBP<br /><ul><li>.Options ITL4=1000</li></ul>27<br />Copyright (C) Bee Technologies Inc. 2010<br />
  36. 36. 4.3.3 Simulation Result (SOC1=30)<br />PV generated current<br />PV module charge the battery<br />Battery voltage<br />V=Lopen<br />Battery current<br />V=Lclose<br />Battery supplies current when solar power drops.<br />Fully charged, stop charging<br />Battery SOC<br />SOC1=30<br />DC output voltage<br />Shutdown<br />DC/DC input current<br />Reconnect<br />Charging time<br />C1: IC=15<br />Run to time: 24s (24hours in real world)<br />Step size: 0.01s<br />Total job time = 2s<br /><ul><li>.Options ITL4=1000</li></ul>28<br />Copyright (C) Bee Technologies Inc. 2010<br />
  37. 37. 4.3.4 Simulation Result (SOC1=10)<br />PV generated current<br />PV module charge the battery<br />Battery voltage<br />Battery current<br />V=Lclose<br />Battery supplies current when solar power drops.<br />Fully charged, stop charging<br />Battery SOC<br />SOC1=10<br />DC output voltage<br />Shutdown<br />DC/DC input current<br />Reconnect<br />Charging time<br />C1: IC=14.4<br />Run to time: 24s (24hours in real world)<br />Step size: 0.01s<br />SKIPBP<br /><ul><li>.Options RELTOL=0.01
  38. 38. .Options ITL4=1000</li></ul>29<br />Copyright (C) Bee Technologies Inc. 2010<br />
  39. 39. 4.3.5 Simulation Result (SOC1=100, IL=3A or 15W load)<br />PV generated current<br />PV module charge the battery<br />V=Lopen<br />Battery voltage<br />V=Lopen<br />Battery current<br />Battery supplies current when solar power drops.<br />Fully charged, stop charging<br />SOC1=100<br />Battery SOC<br />DC output voltage<br />Shutdown<br />Shutdown<br />DC/DC input current<br />Charging time<br />C1: IC=16.4<br />Run to time: 24s (24hours in real world)<br />Step size: 0.001s<br /><ul><li>.Options ITL4=1000</li></ul>30<br />Copyright (C) Bee Technologies Inc. 2010<br />
  40. 40. 4.3.4 Simulation Result (Example of Conclusion)<br />If initial SOC is 100%,<br />this system will never shutdown.<br />If initial SOC is 70%, <br />this system will shutdown after 5.185 hours (about 5:11AM.).<br />system load will reconnect again at 7:40AM (Morning).<br />If initial SOC is 30%, <br />this system will shutdown after 1.633 hours (about 1:38AM.).<br />system load will reconnect again at 7:37AM (Morning).<br />If initial SOC is 10%, <br />this system will start shutdown.<br />this system will reconnect again at 7:37AM (Morning).<br />With the PV generated current profile, battery will fully charged in about 4.25 hours.<br />31<br />Copyright (C) Bee Technologies Inc. 2010<br />The simulation start from midnight(time=0). The system supplies DC load 7.5W.<br />
  41. 41. 4.3.4 Simulation Result (Example of Conclusion)<br />If initial SOC is 100%, <br />this system will shutdown after 3.897 hours (about 3:54AM.).<br />system load will reconnect again at 7:37AM (Morning).<br />this system will shutdown again at 8:28 PM (Night).<br />With the PV generated current profile, battery will fully charged in about 5.5 hours.<br />32<br />Copyright (C) Bee Technologies Inc. 2010<br />The simulation start from midnight(time=0). The system supplies DC load 15W.<br />
  42. 42. Bee Technologies Group<br />デバイスモデリング<br />スパイス・パーク(スパイスモデル・ライブラリー) <br />デザインキット<br />デバイスモデリング教材<br />【本社】<br />株式会社ビー・テクノロジー<br />〒105-0012 東京都港区芝大門二丁目2番7号 7セントラルビル4階<br />代表電話: 03-5401-3851<br />設立日:2002年9月10日<br />資本金:8,830万円<br />【子会社】<br />Bee Technologies Corporation (アメリカ)<br />Siam Bee Technologies Co.,Ltd. (タイランド) <br />お問合わせ先)<br />info@bee-tech.com<br />33<br />Copyright (C) Bee Technologies Inc. 2010<br />本ドキュメントは予告なき変更をする場合がございます。<br />ご了承下さい。また、本文中に登場する製品及びサービスの名称は全て関係各社または個人の各国における商標または登録商標です。本原稿に関するお問い合わせは、当社にご連絡下さい。<br />

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