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省電燈泡vsLED燈泡哪個更省電?台電解答了

NOWnews今日新聞
2024/05/06 | 3分鐘閱讀

[NOWnews今日新聞] 說到家裡最常用且數量最多的電器用品,就是一盞盞的燈具,若能讓燈泡的耗電量降低,累積下來就能省下不少電費。目前市面上,常見到兩種「省電燈泡」以及「LED燈泡」,究竟哪種更加省電呢?對此,台電也進行原理科普,隨著技術進步,LED燈泡已經更加省電耐用。

「省電燈泡 vs LED燈泡」誰更省電?關鍵差異在這邊

台電電力粉絲團以「省電燈泡 vs LED燈泡誰最省電擂台」為題進行科普,指出目前市面上的「省電燈泡」,常因為名稱讓人以為它是最省電的,但其實LED燈泡才是更佳省電的選擇。

▲LED燈泡不只省電,壽命更長。(示意圖/沛亮PILA)
▲LED燈泡不只省電,壽命更長。(示意圖/沛亮PILA)

首先「省電燈泡」全名為「安定器內藏式螢光燈泡」,是螢光燈具的一種,會稱之為省電燈泡,是因為其與傳統的鎢絲燈泡相比,確實更省電。

不過隨著近年LED照明技術不斷進步,LED燈泡的能源效率,已經比省電燈泡高出6成以上,且平均光源壽命更長,還不含汞、鉛等有害物質。

至於價格部分,目前LED燈泡和省電燈泡價格持平,若是考量省電及耐用等條件之上,較建議民眾選購LED燈泡。台電也提到,燈泡的省電效果可以從「發光效率」(lm/W)來比較,發光效率越高的燈泡,就越能省電。如果日後打算將省電燈泡換成LED燈,可以選擇流明值相近的LED燈泡,「以約1000流明21-23W的省電燈泡,近似亮度的LED燈泡僅約8-9W」,就能以更少的電費維持同樣的亮度。

▲目前市面上的LED燈泡,因為製造技術持續進步,已經比省電燈泡還要省電、耐用。(圖/翻攝電力粉絲團臉書)
▲目前市面上的LED燈泡,因為製造技術持續進步,已經比省電燈泡還要省電、耐用。(圖/翻攝電力粉絲團臉書)

LED燈泡怎麼買最省電?台電說出判斷方法

從上述的科普中,已知LED燈泡最為省電,但若都同為LED燈泡時,哪些條件又能再更加省電呢?對此,台電也指出,選購時可以把握以下秘訣:

長的比短的省電

直的比彎的省電

燈管直徑越小越細越省電,常見的T5、T8、T9等燈泡規格,就是指燈管的直徑大小,燈管直徑為1/8英吋的倍數,T9直徑9/8英吋(約29mm)、T8直徑8/8英吋(約26mm)、T5直徑5/8英吋(約16mm)越細越小越省電,也就是說T5日光燈管比T8、T9省電。

選用電子式安定器:比傳統安定器省電30%

選購有「節能標章」的燈具

消息來源:NOWnews今日新聞

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