核四要建才是聰明的做法 - 股票
By Leila
at 2014-04-26T21:33
at 2014-04-26T21:33
Table of Contents
: 核能發電風險極高,發生災害的後果台灣無法承擔
: 台灣未來有缺電風險(舊核電廠除役)
: 新能源革命早已開始
: 新能源發電成本仍然較高,且下降速度無法預測.
: ----
: 以上4行,如果有人認為不對,那就請舉例反駁.
我認同啦,不過還是要提醒一下新能源常被大家忽略的缺點。
風力發電、太陽能發電,這些綠能有個大問題是發電量不穩定,且難以人為控制。因為人
類無法控制天氣。
請看這篇德國2012年再生能源發電的詳細統計報告:
原網址:
http://www.ise.fraunhofer.de/en/downloads-englisch/pdf-files-englisch/news/electricity-production-from-solar-and-wind-in-germany-in-2012.pdf
縮網址:
http://ppt.cc/6Hdc
有時民眾很需要用電,但是碰巧那天是沒有風的陰天。那只能加開火力發電機組來撐。
(例如此報告第97頁的星期四、第142頁的一整週)
有時不需要那麼多電,但是碰巧那天風很大太陽也很大,發了一大堆電沒有用。德國的好
處是可以把多餘的電賣給鄰近國家,因為歐陸國家之間有電網相連。這招台灣沒辦法學。
(例如此報告的第157頁)
註:
部份燃煤電廠和核電廠沒有辦法常常開機關機,所以會24小時運作,所以在綠能發電太
多時,這些傳統電廠也在持續發電。所以第157頁圖中的灰色還是佔很大一部份。
所以看再生能源,不能只看它的發電量,要看實際上能用到多少。
如何妥善管理這些不穩定的電力來源,減少浪費?
目前德國是用火力發電和抽蓄電廠這些可以人為控制發電量的能源,來補足沒有風的陰天
時的電力短缺。
註:「抽蓄電廠」是在風很大的晴天,利用多餘的電力,把水力發電廠下池的水抽回
上池,在沒有風的陰天再讓上池的水沖向下池,驅動水力發電機組發電。
但是這有個問題,就是這部份的火力發電機組和水力發電機組,只有在沒有風的陰天才運
轉,其他的日子都閒置,造成設備利用率低落。機組沒有運轉還是每天在那邊折舊,這也
是一種浪費。
--
股市上漲1%,投資人就會高估自己的智商1%。
股市下跌1%,投資人就會低估總統的智商1%。
--
: 台灣未來有缺電風險(舊核電廠除役)
: 新能源革命早已開始
: 新能源發電成本仍然較高,且下降速度無法預測.
: ----
: 以上4行,如果有人認為不對,那就請舉例反駁.
我認同啦,不過還是要提醒一下新能源常被大家忽略的缺點。
風力發電、太陽能發電,這些綠能有個大問題是發電量不穩定,且難以人為控制。因為人
類無法控制天氣。
請看這篇德國2012年再生能源發電的詳細統計報告:
原網址:
http://www.ise.fraunhofer.de/en/downloads-englisch/pdf-files-englisch/news/electricity-production-from-solar-and-wind-in-germany-in-2012.pdf
縮網址:
http://ppt.cc/6Hdc
有時民眾很需要用電,但是碰巧那天是沒有風的陰天。那只能加開火力發電機組來撐。
(例如此報告第97頁的星期四、第142頁的一整週)
有時不需要那麼多電,但是碰巧那天風很大太陽也很大,發了一大堆電沒有用。德國的好
處是可以把多餘的電賣給鄰近國家,因為歐陸國家之間有電網相連。這招台灣沒辦法學。
(例如此報告的第157頁)
註:
部份燃煤電廠和核電廠沒有辦法常常開機關機,所以會24小時運作,所以在綠能發電太
多時,這些傳統電廠也在持續發電。所以第157頁圖中的灰色還是佔很大一部份。
所以看再生能源,不能只看它的發電量,要看實際上能用到多少。
如何妥善管理這些不穩定的電力來源,減少浪費?
目前德國是用火力發電和抽蓄電廠這些可以人為控制發電量的能源,來補足沒有風的陰天
時的電力短缺。
註:「抽蓄電廠」是在風很大的晴天,利用多餘的電力,把水力發電廠下池的水抽回
上池,在沒有風的陰天再讓上池的水沖向下池,驅動水力發電機組發電。
但是這有個問題,就是這部份的火力發電機組和水力發電機組,只有在沒有風的陰天才運
轉,其他的日子都閒置,造成設備利用率低落。機組沒有運轉還是每天在那邊折舊,這也
是一種浪費。
--
股市上漲1%,投資人就會高估自己的智商1%。
股市下跌1%,投資人就會低估總統的智商1%。
--
Tags:
股票
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企業親密關係
By William
at 2014-03-18T20:54
at 2014-03-18T20:54