[情報] 世界上最大的電動車
All hail the eDumper, the largest EV in the world
The Swiss are cleaning up their act with a 45-tonne eco dumper truck
Dumper trucks. Who doesn’t love a dumper truck? We bet at some point you
spent your youth shuffling around atop Tonka Toys trying to mine precious
metals out of your back garden. Dumper trucks are lightning rods to your
inner toddler; they’re so big, so purposeful, so… dumpy. But they’re also
dirty beasts. Not just because they spend their lives slothing around filthy
quarries, but because they’re powered by gargantuan diesel engines. This
fantastically titled truck is here to change that latter point. Because it’s
electric.
Would you please be upstanding then, for the eDumper. What a name. What a
thing. It’s an electrified dumper mining truck from the Swiss division of
machinery manufacturer, Kuhn. Wanting to kick the diesel habit, it converted
a Komatsu HD 605-7 to run on electricity – making it the largest electric
vehicle in the world in the process.
這輛名為eDumper 的砂石車來自瑞士機械製造商Kuhn,為了擺脫柴油,它將
Komatsu HD 605-7 改裝成電動的,這使得它成為世界上最大的電動車。
The Komatsu HD 605-7 (sounds a bit like a cut-price Korean television, doesn’
t it?) normally gets its load-lugging ability from a huge 23.1-litre
straight-six turbodiesel. But that was thrown in a big skip and replaced with
motors that draw electricity from a four-tonne, 600-kWh lithium-ion battery
pack – six times the capacity of Tesla’s Model X.
Komatsu HD 605-7 原先動力來源是一具23.1 L 直六渦輪增壓柴油引擎,被更換
為一組4噸重、600 kWh 的鋰電池組,其電量是Tesla Model X 的六倍。
Like many EVs, it also has regenerative braking, a crucial element when
crawling around mines. Being such a heavy lump and having such a heavy load
to carry, the eDumper can’t rely on some magical breakthrough in battery
technology. So it uses physics. Say the 45-tonne eDumper drives up a 13 per
cent incline to pick up 65 tonnes of materials to a cement factory. It’s so
heavy when it drives back down that its regenerative braking system generates
most or all of the energy used to go up the hill. Clever, eh? According to
its makers, the eDumper actually makes more energy than it consumes. And
using batteries as a source of power saves approximately 50,000 tonnes of
diesel annually.
就像許多電動車一樣,它同樣具有剎車回充,這是在礦場行駛的關鍵因素。沉重
的大塊頭車身與荷載,eDumper 不能指望電池技術的一些神奇突破來運作,因此,
它運用了物理學。假設這輛45噸重的eDumper 在incline 13 的斜坡為水泥廠提供
65噸重的原料,那它剎車回充系統可產生大部分或全部用於上山的能量。根據其
製造商的說法,eDumper 製造了比它消耗掉更多的能量。使用電池來做為動力每
年可省下5萬噸柴油。
Could this be the future for heavy industry? Well, they’re all being rather
hushed about the development costs in comparison to an internal combustion
variant. But if it keeps future generations of kids shuffling around atop
Tonka Toys, we’re all for it.
來源:
https://www.topgear.com/car-news/electric/all-hail-edumper-largest-ev-world
=========================================================================
一般燃油砂石車運載原料下坡時大都是依靠剎車來減速,能量大都浪費掉轉變成
熱能,這輛eDumper 使用動能回收,剎車時回充電量,卸載完原料車輛變輕,回
收來的電量剛好用來空車上坡,在這種狀況下幾乎不需充電,大大減少燃油的使
用。之前他們也有接受CNN 的採訪,其中有一段是這樣說的:
We had 75 tons of rocks and we went out of here with 90%, went all
the way to the top," di Grassi told CNN Sport.
"We arrived with 80% battery, loaded up and on our way back, we
recovered 8% so we came back with 88% -- that's actually pretty cool."
電量90% 出發,到山頂剩80% 電量,裝載原料,回來路程上回收了8% 變成88%。
CNN 報導:https://cnn.it/2kzUvfP
--
https://i.imgur.com/xHFddLR.jpg
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※ 文章網址: https://www.ptt.cc/bbs/car/M.1568038942.A.D3D.html
※ 編輯: Scape (1.34.252.81 臺灣), 09/09/2019 22:25:03
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同樣比柴油砂石車好的多
※ 編輯: Scape (1.34.252.81 臺灣), 09/09/2019 23:01:37
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兩位,國中就有學過位能的概念了吧
把石頭從山上搬下來其位能就減低了呀
多出來的能量就是給砂石車空車上山時使用
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※ 編輯: Scape (1.34.252.81 臺灣), 09/09/2019 23:37:21
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一年可節省"五萬噸"柴油!
電池貴是初期成本稍高一點,但營運成本卻大降
開礦場的人不是傻子,生意人精明的很,沒比較省錢他們不會用
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還在永動機 Zzzz
※ 編輯: Scape (1.34.252.81 臺灣), 09/09/2019 23:50:53
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你講的是串聯式的油電系統,動力來源還是柴油
但重點是剎車回充的能量回收
你必須要有足夠大的電池來儲存這些能量
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※ 編輯: Scape (1.34.252.81 臺灣), 09/10/2019 00:07:59
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還有 40 則推文
還有 4 段內文
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