美隆電子有限公司

Mayloon Electronic Company Limited

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Mayloon Electronic Company Limited
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標題過濾     顯示數 
數 項目標題 作者 點擊
1 LED 嵌入式投光燈 LED 嵌入式投光燈 32192
2 LED Down Light - 01 LED 筒燈/天花燈 8W/10W/20W/30W 35474
3 LED Down Light - 04 LED 筒燈/天花燈 8W/10W 33568
4 LED Down Light - 04 LED 筒燈/天花燈 20W/30W 32610
5 LED Down Light - 05 LED 筒燈/天花燈 3W/5W 36483
6 LED Down Light - 09 LED 筒燈/天花燈 5W/10W/15W/25W 36781
7 LED Down Light - 15 LED 筒燈/天花燈 3W/5W/ 36128
8 LED Down Light - 16 LED 筒燈/天花燈 5W/ 36506
9 LED Down Light - 23 LED 筒燈/天花燈 - 13W 36765
10 LED Down Light - 60 LED 筒燈/天花燈 8W 37126
11 LED Down Light - 67 LED 筒燈/天花燈 8W/10W/20W 31133
12 LED Down Light - 68 LED 筒燈/天花燈 23W 32215
13 LED Down Light - 77 LED 筒燈/天花燈 3W 35029
14 LED Down Light - 144 LED 筒燈/天花燈 8W/15W/33W 32922
15 LED Down Light - 138 LED 筒燈/天花燈 8W/12W16W/24W 35027
 
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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