美隆電子有限公司

Mayloon Electronic Company Limited

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項目標題 作者 點擊
1 【換燈工程】- 明裝吊頂天花吸頂LED燈盤工程案例 【換燈工程】 13970
2 街燈 路燈 50W - 300W LED Street Light 17842
3 街燈 路燈 30W - 250W LED Street Light 17540
4 街燈 路燈 100W - 300W LED Street Light 16163
5 E27 Smart LED Bulb A60 Smart LED Bulb 19516
6 Smart GU10 7W 智能燈泡 GU10 7W 17882
7 Smart GU5.3 7W 智能燈泡 GU5.3 7W 20376
8 智能燈帶 Smart RGBIC LED Strip 可調光LED燈泡 24802
9 智能燈帶 Smart RGB LED Strip 可調光LED燈泡 14552
10 LED 教室照明 LED教室照明 20635
11 Two heads COB LED Grille Downlight T8 LED Tube - Emergency Light 20969
12 Single head COB LED Grille Downlight T8 LED Tube - Emergency Light 23351
13 T8 LED U-Type Batten T8 LED Tube - Emergency Light 22738
14 T8 弧形孖管支架 T8 弧形燈管支架 15749
15 T8 LED 有罩燈管支架 (學校課室用) T8 LED 有罩燈管支架 11644
16 LED Highbay Ligh- GK09 series LED Highbay Light - GK09 series 22737
17 T8 LED Tube - Emergency Light T8 LED Tube - Emergency Light 24216
18 LED Floodlight High power LED Floodlight High power 25804
19 COB LED Ceiling Lighting (天花燈) COB LED Ceiling Lighting (天花燈) 24506
20 COB LED Downlight - Low power (吊頂/明裝筒燈) COB LED Ceiling Lighting (天花燈) 23970
 
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Mayloon Electronic Company Limited Mayloon Lighting Company Limited

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E-mail: peter@mayloon.com
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Newsflash

功率因數調整 (PFC)
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  • 何謂 PFC?
  • Power Factor Correction (PFC)
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功率因素調整二極體之應用介紹

功率因素調整(PFC)Power Factor Correction,用來表示電子産品對於電力的利用效率,是指有效功率除與總耗電量的比值,其原理主要是調整交流電輸入電流之波形,盡可能與直流電電壓波形盡可能一致,其計算出來的功率因素值越高(趨近於1),代表其電源利用率越大,電能轉換效率也越好。 一般電子設備沒有功率因素校正(Power Factor Correction, PFC)時其PF值約只有0.5

目前市面上有PFC的電源產品有兩種,一種為被動式(Passive)PFC,另外一種為主動式(Active)PFC.其中主動式PFC提高電力轉換效率,降低設備所傳導之電流損耗,比被動式更高效率,降低視在功率,讓電力的消耗更少,響應環保。電子3C產品逐漸多採用主動式PFC的元件設計使產品更輕薄短小高效率以符合市場趨勢

Power Factor