南京主動式電源pfc廠家真誠推薦深圳市保益新能電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="PFC電路原理?PFC就是“功率因數(shù)”的意思，主要用來表征電子產(chǎn)品對電能的利用效率。功率因數(shù)越高，說明電能的利用效率越高。?PFC有兩種，一種是無源PFC（也稱被動式PFC），一種是有源PFC（也稱主動式PFC）。無源PFC一般采用電感補償"><meta name="keywords" content="南京主動式電源pfc廠家,PFC電源"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_nengyuan/">能源</a>?<a href="http://www.cdcfah.com/cp/second-nengyuan_pdsdsb/">配電輸電設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-pdsdsb_qtpdsdsb/">其他配電輸電設(shè)備</a>?南京主動式電源pfc廠家真誠推薦深圳市保益新能電氣供應(yīng)</p><div id="ggsgkwy" class="leftbox clearfix"><h1>南京主動式電源pfc廠家真誠推薦深圳市保益新能電氣供應(yīng)</h1><div id="giuicgs" class="proBig"><div id="oae8ym0" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8gicesg" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yciwi2u" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南京主動式電源pfc廠家,PFC電源</p><p><span>***更新：</span>2021-01-16 08:10:33</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="08oc00i" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市保益新能電氣有限公司</a></p><p><span>聯(lián)系人：</span>葉立民</p><p><span>郵箱: </span>1301978383@qq.com</p><p><span>電話: </span>18675588113</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.boynelectric.com</p><p><span>手機: </span>0755-21070344</p><p><span>地址: </span>大浪街道浪口社區(qū)華榮路496號德泰工業(yè)區(qū)1號廠房4層402</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="yakgkgk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="yko0i0u" class="box"><p><p style="text-indent:25px">PFC電路原理?PFC就是“功率因數(shù)”的意思，主要用來表征電子產(chǎn)品對電能的利用效率。功率因數(shù)越高，說明電能的利用效率越高。?PFC有兩種，一種是無源PFC（也稱被動式PFC），一種是有源PFC（也稱主動式PFC）。無源PFC一般采用電感補償方法使交流輸入的基波電流與電壓之間相位差減小來提高功率因數(shù)，但無源PFC的功率因數(shù)不是很高，只能達(dá)到0.7~0.8；有源PFC由電感電容及電子元器件組成，體積小，可以達(dá)到很高的功率因數(shù)，但成本要高出無源PFC一些。?有源PFC電路中往往采用高集成度的IC，采用有源PFC電路的PC電源，南京主動式電源pfc廠家，至少具有以下特點：?（1）?輸入電壓可以從90V到270V；（?2）?高于0.99的線路功率因數(shù)，并具有低損耗和高可靠等優(yōu)點；?（3）?IC的PFC還可用作輔助電源，因此在使用有源PFC電路中，往往不需要待機變壓器；?（4）?輸出不隨輸入電壓波動變化，南京主動式電源pfc廠家，因此可獲得高度穩(wěn)定的輸出電壓；?5）?有源PFC輸出DC電壓紋波很小，南京主動式電源pfc廠家，且呈100Hz/120Hz（工頻2倍）的正弦波，因此采用有源PFC的電源不需要采用很大容量的濾波電容。與被動式PFC相比，主動式PFC電路省去了一個較大體積的含有硅鋼片的電感。南京主動式電源pfc廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京主動式電源pfc廠家,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png"></div><p style="text-indent:25px">常見的PFC電路分為兩種，一種是主動式PFC電路，另一種是被動式PFC電路。主動式PFC電路是一種特殊的Boost斬波電路，220V市電經(jīng)過二極管整流后不使用電容來濾波，而是直接送入主動式PFC電路中進(jìn)行升壓，借助PFC電路來完成了濾波這個環(huán)節(jié)直接輸出高壓直流電（一般在350V以上）給開關(guān)電源電路使用。主動式PFC的優(yōu)點很多，比如它改善功率因數(shù)的效果很明顯，可以將電腦電源的功率因數(shù)提高到0.98以上；其次主動式PFC還能夠改擴寬輸入電壓范圍，從而制成寬電壓輸入的電源。主動式PFC的缺點是電路較為復(fù)雜，成本較高。被動式PFC電路實際上只有一個大的鐵芯電感組成，這個電感串聯(lián)在整流電路與濾波電容之間，電路很簡潔，利用電感電流不能突變的原理來改善輸入交流電流的波形從而提高功率因數(shù)。它的優(yōu)點是成本低，電路簡單，可靠性高，電磁干擾小；缺點是提升功率因數(shù)的效果有限，一般只能達(dá)到0.8左右。南京主動式電源pfc廠家為了提高用電設(shè)備功率因數(shù)的技術(shù)就稱為功率因數(shù)校正。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京主動式電源pfc廠家,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041344381105/9656200.png"></div><p style="text-indent:25px">主動式PFC電源會更省電嗎？在主動式PFC電源剛剛步入主流的時候，不少廠商為了宣傳自家的主動式PFC電源產(chǎn)品，都紛紛打出了“主動式PFC電源更加省電”的旗幟，引導(dǎo)消費者選擇采用主動式PFC設(shè)計的產(chǎn)品。但事實上是不是這樣呢？主動式PFC電源就一定比被動式PFC電源省電嗎？如果從宏觀的角度來看，確實是這樣沒錯的。同樣是200W的有效功率，采用被動式PFC設(shè)計、PF值為0.8的PC電源需要消耗250W的視在功率，而采用主動式PFC設(shè)計、PF值為0.9的PC電源則只需要222W的視在功率，如果說視在功率相當(dāng)于發(fā)電機的輸出功率，那主動式PFC電源對發(fā)電機造成的負(fù)荷就更低，自然也就是更省電了。然而這樣的省電對于消費者而言并沒有什么實際意義，因為我們的電表只統(tǒng)計有效功率，并不是統(tǒng)計視在功率，換句話說你只需要為有效功率付電費，因此不管是主動式PFC、被動式PFC還是沒有PFC，只要有效功率相同，電表上走的數(shù)字就是相同的，消費者需要支付的電費也是相同的。真正能讓你省電費的參數(shù)是電源的轉(zhuǎn)換效率，這個轉(zhuǎn)換效率直接影響電源有效功率的高低，在相同的輸出負(fù)載下，轉(zhuǎn)換效率更高的電源所需要的有效功率越低，你需要付的電費自然也越少了。</p><p style="text-indent:25px">PFC的英文全稱為“Power Factor Correction”，意思是“功率因數(shù)校正”，功率因數(shù)指的是有效功率與總耗電量（視在功率）之間的關(guān)系，也就是有效功率除以總耗電量（視在功率）的比值。基本上功率因數(shù)可以衡量電力被有效利用的程度，當(dāng)功率因數(shù)值越大，表示其電力利用率越高。功率因數(shù)是用來衡量用電設(shè)備用電效率的參數(shù)，低功率因數(shù)表示低電力效能。為了提高用電設(shè)備功率因數(shù)的技術(shù)就稱為功率因數(shù)校正?！∮嬎銠C開關(guān)電源是一種電容輸入型電路，其電流和電壓之間的相位差會造成交換功率的損失，此時便需要PFC電路提高功率因數(shù)。目前的PFC有兩種，一種為被動式PFC（也稱無源PFC）和主動式PFC（也稱有源式PFC）。主動式PFC輸出直流電壓的紋波很小，這種電源不必采用很大容量的濾波電容。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京主動式電源pfc廠家,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038655679952/7203321.png"></div><p style="text-indent:25px">主動式PFC的優(yōu)點：1、校正效果遠(yuǎn)優(yōu)于歐洲的 EN 諧波規(guī)范，即便未來規(guī)格更趨嚴(yán)格也都能符合規(guī)定。隨著IC零件需求增加，成本將隨之降低。2、較無原料短缺的風(fēng)險。3、較被動式專業(yè)的解決方案。4、能以較低成本帶來全域電壓的高附加價值。5、功率因素接近完美的99%，使電力利用率較佳化，對環(huán)保有益。6、因應(yīng)未來CPU發(fā)展趨勢，輸出瓦特數(shù)(電力)要求將越高，主動式PFC因成本不隨輸出瓦特數(shù)增加而上升，故擁有較好競爭力。動式PFC優(yōu)于被動式PFC，因此，選擇節(jié)能型的電源必須選擇采用主動式PFC電路設(shè)計的電源。PFC當(dāng)中的開關(guān)穩(wěn)壓電源功能和普通的開關(guān)穩(wěn)壓電源的區(qū)別并不巨大，只是在供電上有所區(qū)別。南京主動式電源pfc廠家</p><p style="text-indent:25px">主動式PFC通過高頻電感線圈、開關(guān)電子管、高壓濾波電容以及控制IC等元件，組成一個電路。南京主動式電源pfc廠家</p><p style="text-indent:25px">未來公共環(huán)境下的銷售肯定需要更多方面的支持，如支付寶、城市一卡通、銀聯(lián)卡等。要明白，在當(dāng)下不同的支付方式用以滿足不同消費群體的要求。此外，也需要開發(fā)更多值服務(wù)業(yè)務(wù)，從固定服務(wù)延伸到相關(guān)服務(wù)。我國在UPS/EPS電源，雙向逆變器，安防電源，激光儲能電源設(shè)施發(fā)展方面已形成了復(fù)合國情的技術(shù)基礎(chǔ)和產(chǎn)業(yè)基礎(chǔ)，但是市場對科學(xué)合理布局、提高服務(wù)水平也提出更高要求，體驗差、資本效益不佳的矛盾依然突出，相關(guān)設(shè)施的總體發(fā)展水平還有待提高。隨著發(fā)展UPS/EPS電源，雙向逆變器，安防電源，激光儲能電源將很好的滿足全屏手機對于外觀設(shè)計以及信號差等方面的需求。此外，隨著未來5G通信技術(shù)對于手機功耗需求的增加，手機續(xù)航將成為一個大問題。目前業(yè)內(nèi)出現(xiàn)的所謂“共享充電寶”的概念就試圖從共享經(jīng)濟的角度來解決手機續(xù)航的問題，而顯然基于UPS/EPS電源，雙向逆變器，安防電源，激光儲能電源的共享商業(yè)模式將更具價值和前景。近年來，國際電氣設(shè)備、電源產(chǎn)品、逆變器，UPS，通訊電源，儲能電源產(chǎn)品、工業(yè)電源、電池充放電電源設(shè)備、電池充放電管理系統(tǒng)設(shè)備、數(shù)字電源、無功補償器或者功率矯正器、數(shù)字控制技術(shù)軟件、工業(yè)控制軟件、電力計量產(chǎn)品、新能源設(shè)備、太陽能、并網(wǎng)逆變器、離網(wǎng)逆變器、匯流箱、控制器，通訊設(shè)備產(chǎn)品、節(jié)能電子產(chǎn)品、回饋式電源負(fù)載的研發(fā)、銷售及相關(guān)信息咨詢。市場的競爭日趨激烈，相關(guān)產(chǎn)品價格已達(dá)到幾近臨界的地步，除了特殊產(chǎn)品之外，一般通用中小制造企業(yè)在發(fā)達(dá)地區(qū)難以繼續(xù)立足。而由于中國在勞動力成本方面具有較大優(yōu)勢，中國市場已成為全球企業(yè)競爭的焦點。南京主動式電源pfc廠家</p></p><br 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