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led燈珠沖擊電流 led燈的啟動瞬間電流是多少倍

發布時間:2022-11-12 12:32:33

大家好我是天成照明(ming)LED燈(deng)珠廠家小編燈(deng)漂亮今天我們來介紹led燈(deng)珠沖擊(ji)電流(liu) led燈(deng)的啟動瞬(shun)間電流(liu)是多少倍(bei)的問(wen)題,以(yi)下(xia)就是燈(deng)漂亮對(dui)此(ci)問(wen)題和相(xiang)關(guan)問(wen)題的歸納整(zheng)理(li),一起(qi)來看(kan)看(kan)吧。

文章目錄導航:

led燈啟動電流倍數一般是多大誰清楚

Led燈不存在啟動電(dian)(dian)流。Led燈珠是半(ban)導(dao)(dao)體(ti)PN結發光(guang),完(wan)成電(dian)(dian)光(guang)轉(zhuan)換的。半(ban)導(dao)(dao)體(ti)非電(dian)(dian)感、電(dian)(dian)容性負(fu)載(zai),它在導(dao)(dao)通時(shi)不會產生(sheng)啟動電(dian)(dian)流。

啟動電(dian)(dian)流(liu)(liu)常(chang)用在電(dian)(dian)動機之類的電(dian)(dian)感性器件(設備)上,這是感性負載(zai),在啟動(通電(dian)(dian))時會產(chan)生一個瞬(shun)時高電(dian)(dian)流(liu)(liu),也叫沖擊電(dian)(dian)流(liu)(liu),隨其功(gong)率(lv)大小會產(chan)生210倍(bei)的瞬(shun)時電(dian)(dian)流(liu)(liu)。Led燈不存在這個現象。

led燈珠沖擊電流

led燈珠電流過大解決辦法

LED燈珠電流過大(da)的(de)解(jie)決(jue)辦法,可以(yi)加(jia)限流電阻或降低電壓(ya)來解(jie)決(jue)。

12vled燈閃爍怎么回事

這種情況應該是負載(zai)部分有短(duan)路(lu)現象,使開關(guan)電源處于短(duan)路(lu)保(bao)護狀態造成的。

過(guo)(guo)(guo)壓(ya)保護(hu)(hu)值在面板上(shang)有一(yi)只(zhi)電(dian)(dian)(dian)(dian)位器,可(ke)以人工(gong)(gong)設定(ding)(ding)(ding)(ding)。而過(guo)(guo)(guo)流(liu)保護(hu)(hu)值是(shi)不(bu)(bu)能人工(gong)(gong)設定(ding)(ding)(ding)(ding)的(de)(de)(de),機(ji)內巳經(jing)定(ding)(ding)(ding)(ding)死,一(yi)般為(wei)額定(ding)(ding)(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)1.2~1.5倍。需(xu)要說明的(de)(de)(de)是(shi),過(guo)(guo)(guo)壓(ya)保護(hu)(hu)會立即快(kuai)速(su)啟(qi)動,過(guo)(guo)(guo)流(liu)保護(hu)(hu)則有一(yi)秒(miao)左右的(de)(de)(de)延時(shi)。這是(shi)因為(wei)如(ru)電(dian)(dian)(dian)(dian)源(yuan)正常工(gong)(gong)作(zuo)時(shi),如(ru)電(dian)(dian)(dian)(dian)源(yuan)的(de)(de)(de)負載(zai)發生突然(ran)短(duan)路,此(ci)時(shi)電(dian)(dian)(dian)(dian)源(yuan)輸出的(de)(de)(de)瞬間電(dian)(dian)(dian)(dian)流(liu)是(shi)數倍或數十倍的(de)(de)(de)額定(ding)(ding)(ding)(ding)電(dian)(dian)(dian)(dian)流(liu)值,可(ke)以認為(wei)是(shi)一(yi)個電(dian)(dian)(dian)(dian)流(liu)沖擊,遠遠超過(guo)(guo)(guo)過(guo)(guo)(guo)流(liu)保護(hu)(hu)的(de)(de)(de)數值,但這時(shi)并不(bu)(bu)希望(wang)過(guo)(guo)(guo)流(liu)保護(hu)(hu)起(qi)作(zuo)用(yong)。而希望(wang)短(duan)路解除(chu)后,電(dian)(dian)(dian)(dian)壓(ya)自動恢(hui)復正常。因此(ci)在設計過(guo)(guo)(guo)流(liu)保護(hu)(hu)時(shi),要避開突發短(duan)路時(shi)的(de)(de)(de)電(dian)(dian)(dian)(dian)流(liu)沖擊,而僅考慮(lv)使(shi)輸出過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)時(shi)長達到(dao)一(yi)定(ding)(ding)(ding)(ding)的(de)(de)(de)值才啟(qi)動過(guo)(guo)(guo)流(liu)保護(hu)(hu)。

led啟動電流波動

大型LED的開(kai)關(guan)電(dian)(dian)源的輸(shu)入電(dian)(dian)路大多采用(yong)電(dian)(dian)容(rong)濾波(bo)型整流(liu)電(dian)(dian)路,在(zai)進線電(dian)(dian)源合閘瞬間,由于電(dian)(dian)容(rong)上的初始電(dian)(dian)壓為零,電(dian)(dian)容(rong)器(qi)充電(dian)(dian)瞬間會(hui)(hui)形成很大的沖(chong)擊(ji)電(dian)(dian)流(liu),在(zai)LED正常使用(yong)時,開(kai)關(guan)電(dian)(dian)源裝置控制LED的亮度和亮滅(mie)時,會(hui)(hui)頻繁出(chu)現沖(chong)擊(ji)電(dian)(dian)流(liu)。

沖擊電(dian)(dian)流的產生(sheng)會電(dian)(dian)壓暫降及(ji)電(dian)(dian)壓諧波,對(dui)電(dian)(dian)網的影(ying)響不可忽視。國(guo)內一些技術領(ling)先的LED顯(xian)示屏,在LED顯(xian)示屏出(chu)廠(chang)前(qian)會使用E6000電(dian)(dian)能質量分析(xi)儀對(dui)LED顯(xian)示屏進行測(ce)試,并且出(chu)示詳細的電(dian)(dian)能質量報(bao)表(biao)給到客(ke)戶。

led燈珠電流電壓

電壓一般3-3.5V,電流(liu)要看LED燈(deng)珠是(shi)多(duo)少(shao)瓦。1瓦的LED燈(deng)珠電流(liu)是(shi)350MA。 LED3014燈(deng)珠做(zuo)液(ye)晶背光用正白。

LED燈(deng)珠有多種規格:

1、0.06W的,電(dian)壓是2.5-3.5V,電(dian)流是20mA.

2、0.5W的(de),電壓是(shi)2.5-3.77V,電流是(shi)150mA

3、1W的,電壓是2.79-3.99V,電流是350mA

4、3W的,電壓是3.05-4.47V,電流是700mA

5、5W的(de),電壓是(shi)3.16-4.88V,電流是(shi)1000mA

以上就是天(tian)成小(xiao)編對于led燈珠沖(chong)擊電流 led燈的(de)啟動瞬間電流是多少倍問題(ti)(ti)和相關問題(ti)(ti)的(de)解答了,希望對你有用 【責任編輯(ji):燈漂亮】

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