fit 油電版 巿區油耗39.5km/l - 汽車
By Linda
at 2021-12-28T12:54
at 2021-12-28T12:54
Table of Contents
純技術資訊分享
https://reurl.cc/ve3ank
單就THS-2 與 i-MMD比較
THS-2特點
引擎/發電馬達/動力馬達/車輪永遠連接
引擎動力直接作用在輪上是可變的(0~9x%?)
優點:任何速度下,需要大馬力(大油門),引擎動力都可以參予
馬達需要功率不用太大(成本上的優勢)、油轉換電的比率較少(油耗優勢)
缺點:高速巡航(無須大馬力)時,引擎還連結發電機,多一個負擔(油耗劣勢)
i-MMD特點
兩種模式:1.引擎連接發電馬達(引擎動力直接作用在輪上0%)
2.引擎連接車輪(引擎動力直接作用在輪上100%)
兩種模式切換取決於車速
優點:高速巡航時沒有連接發電機,較省油(油耗優勢)
缺點:低速時如果需要大馬力,因為動力完全由馬達提供,
需要大功率馬達(成本上的缺點)
動力100%需要油-電-機械轉換(油耗劣勢)
大致來說,相同綜效馬力下
一個低速有些微優勢,一個高速有些微優勢
但BOM COST來說 THS-2是贏的
※ 引述《chandler0227 (錢德勒)》之銘言:
: 內燃機效率 * 機構傳遞效率
: 馬達輸出的效率:
: 內燃機效率 * 發電機效率 * 馬達效率 * 機構傳遞效率
: 引擎效率圖
: https://i.imgur.com/CwLvXnp.jpg
: 馬達效率長這樣
: https://i.imgur.com/8kcapc9.jpg
: 就算馬達再怎麼高效率,以馬達輸出動力的方式
: 中間多了2次轉換依舊會損失一部分能量(5~10%)
: Hybrid能耗優異的關鍵是
: 透過馬達適時的介入
: 讓引擎的操作點一直維持在高效率區域
: 這也是為啥一般油電系統引擎會設計成較低功率,盡可能延伸最佳效率點
--
https://reurl.cc/ve3ank
單就THS-2 與 i-MMD比較
THS-2特點
引擎/發電馬達/動力馬達/車輪永遠連接
引擎動力直接作用在輪上是可變的(0~9x%?)
優點:任何速度下,需要大馬力(大油門),引擎動力都可以參予
馬達需要功率不用太大(成本上的優勢)、油轉換電的比率較少(油耗優勢)
缺點:高速巡航(無須大馬力)時,引擎還連結發電機,多一個負擔(油耗劣勢)
i-MMD特點
兩種模式:1.引擎連接發電馬達(引擎動力直接作用在輪上0%)
2.引擎連接車輪(引擎動力直接作用在輪上100%)
兩種模式切換取決於車速
優點:高速巡航時沒有連接發電機,較省油(油耗優勢)
缺點:低速時如果需要大馬力,因為動力完全由馬達提供,
需要大功率馬達(成本上的缺點)
動力100%需要油-電-機械轉換(油耗劣勢)
大致來說,相同綜效馬力下
一個低速有些微優勢,一個高速有些微優勢
但BOM COST來說 THS-2是贏的
※ 引述《chandler0227 (錢德勒)》之銘言:
: 內燃機效率 * 機構傳遞效率
: 馬達輸出的效率:
: 內燃機效率 * 發電機效率 * 馬達效率 * 機構傳遞效率
: 引擎效率圖
: https://i.imgur.com/CwLvXnp.jpg
: 馬達效率長這樣
: https://i.imgur.com/8kcapc9.jpg
: 就算馬達再怎麼高效率,以馬達輸出動力的方式
: 中間多了2次轉換依舊會損失一部分能量(5~10%)
: Hybrid能耗優異的關鍵是
: 透過馬達適時的介入
: 讓引擎的操作點一直維持在高效率區域
: 這也是為啥一般油電系統引擎會設計成較低功率,盡可能延伸最佳效率點
--
Tags:
汽車
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