led燈泡與省電燈泡比較!!？:－線上遊戲排行榜2013/2014,進擊的巨人線上看,candy crush saga外掛,正妹寫真三圍

Blogtrottr

Yahoo!奇摩知識+ - 分類問答 - 運動體育 - 發問中

Want to learn how to design a logo?

This beginner logo design course will take you step by step through the process from start to finish.

From our sponsors

led燈泡與省電燈泡比較!!？

Feb 23rd 2014, 03:30

市場上號稱省電的LED燈真的省電嗎？消基會6月檢測市售的LED燈泡，調查發現，20瓦的LED燈泡價格比省電燈泡貴2倍，且相同電量下，LED燈泡的亮度只有省電燈泡的八成。

台灣科技大學電機工程系教授蕭弘清表示，若將LED燈泡與省電燈泡、日光燈相較，在相同亮度下，日光燈比省電燈泡省三成電力，而省電燈泡也比LED燈省兩成電力。省電燈泡花10元可達到的亮度，LED燈泡需花上20元才能有相同亮度，但換成日光燈，不到8元就可達到。
也就是說日光燈>省電燈泡>LED燈泡
要選擇哪一種就看你囉

參考資料： http://e-info.org.tw/node/36730

This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.

You are receiving this email because you subscribed to this feed at blogtrottr.com.

If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions