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    # 0918 三電討論 ###### tags: `動力組` ## 確認項目 ### 4Ω 規格 - [x] 功率輸出(看需不需要調整) - [x] 電池串並 ## 今日結論(對應確認項目) - 電池功率輸出 - 504VDC 180A (max) - Nominal TS Voltage 432V - 電池串並數 - $12s4p\times 10\text{ segments}$ - 504 VDC 180 A - INR-21700-P45B or INR-21700-P42B (21700) - $264\times 88\times 70$(mm) >ref: >[電池計算](https://docs.google.com/spreadsheets/d/1aOysjxVFGpkXo_olreole4tgioBq18WJj7B8EjoFT5M/edit#gid=902335700) - 4Ω跟5的關係 - 5的串並數希望12s4p$\times$ 12 => 600V - 依照四驅限制做調整 - 做四驅的前哨(今年12決定可行性) - 各種方案配置調整 - 小電電池箱位置 - IMD數量 ## 下周目標 & 時間 - 電池備案選擇(今天只有討論Molicel) - 備案要求資料 - 電池資料 - 串並數&輸出(如同今天討論結論) - [AMK資料](https://drive.google.com/drive/folders/16u-VaTjqzMv2ISSEE7P5QCfIEsviwCT6)閱讀進度 - [電池設計資料](https://drive.google.com/file/d/1fzrkJ94_9unHKrMxQQo6aeLpEzp5j_mV/view?usp=sharing)閱讀進度 - [ ] 完整討論流程規劃( 三電討論完成順序 ) --- ## 4Ω ### 三電系統 #### 電池 ##### Segments 數據計算方式 - Max Voltage $\ \ \displaystyle{V_{Max} = N_{series}\times V_{max\_per\_cell}}$ - Energy $\displaystyle{E\ = V_{Max}\times N_{parallel}\times\text{BattCapacity}\times 0.0036}$ >資料來源:ESF計算公式 ##### 各種上限 總輸出(目標): - 480 VDC 160A 7.68KW >依照 CM200 DX 與功率輸出上限 抓電壓 480V 160A Segment上限: - 120 VDC 6MJ >規則上限 為了之後方便升上去,抓接近480與600的公因數 再考慮目前使用的BMS可測量串數(12*n) 決定串數為12的倍數(最多24) ##### 目前(討論前)設想 - INR-18650-P28B - 112s4p 470V 160A 75.2KW ##### 討論後結論 - 可以在inverter限制輸出就行,所以不用擔心電池功率過高 - INR-18650-P45B ##### 串並方案選擇 - INR-18650-P45B or INR-18650-P42B - 12s4p*10 504V 180A - 體積:長寬高最大值 264 * 88 * 70(mm) [計算過程&資料](https://docs.google.com/spreadsheets/d/1aOysjxVFGpkXo_olreole4tgioBq18WJj7B8EjoFT5M/edit?usp=sharing) ##### 遇到問題 > INR-18650-P45B 配置無法將電壓&功率逼近上限 > > 討論後發現並不需要在意電池的功率輸出,可在inverter做控制 > >缺乏資料:Max Output Current > > 直接使用continuous current 作為依照 ##### 散熱 方案選項 - 蛇形管 - [Lucid](https://www.youtube.com/watch?v=2aDyjJ5wj64&t=1072s) - [ ] 要在確認電池模組方案才能討論 #### 馬達 沿用 Emrax228 MV #### Invertor - 沿用EP4 CM200 DX - 上限 480V 300A --- 以下為4Ω需要多測試的項目,無法在今天決定 #### 小電電池與後軸箱 小電池方案 - 放入高壓箱 - 放入新電池箱 >上述兩個方案都需要等電池&電池模組確認完畢才能預估可行性 #### 散熱功率 step : 我們算功率需求出來,給空力挑選幫浦跟風扇,再定DCDC電壓 #### IMD數量配置 ##### 討論原因 > 因為Bender不再提供IMD,IMD數量成為成本考量之一 > 今天( 09/17 )詢問柏廷後發現送回原廠reprogram不一定可行(需要寄信詢問) ##### 方案 - 將IMD做進電池箱 - 維持原本方案 ##### 討論先決件 - 確定4Ω電池箱空間配置(若空間足夠便可再4Ω上面測試) - 需要完成 - [ ] 電芯配置 - [ ] 電池模組 - [ ] 電池箱內layout

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