廣州PFC電腦電源銷售歡迎來電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="電源沒有pfc會有什么后果：PFC是用來提高功率因數(shù)的，在電網(wǎng)中存在有功功率和無功功率，功率因數(shù)提高后，無功功率就減少了。在我國，使用的是有功電度表，廣州PFC電腦電源銷售，它是無法測量無功功率的，所以即使電源沒有PFC，也不會多扣電費(fèi)。但"><meta name="keywords" content="廣州PFC電腦電源銷售,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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</span><div id="oxikh4q" class="searchbox"><div id="i22ew9v" class="searchLt"><div id="o4dd9sm" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="7hhz4bo" class="clearfix searchWrap"><div id="ssjbve2" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="xyacmfo" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="vtl7m8c" class="twoCol"><div id="tsphw4g" class="page-proshow clearfix"><p class="current"> 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>?廣州PFC電腦電源銷售歡迎來電深圳市保益新能電氣供應(yīng)</p><div id="pjw7hrs" class="leftbox clearfix"><h1>廣州PFC電腦電源銷售歡迎來電深圳市保益新能電氣供應(yīng)</h1><div id="qacjgf7" class="proBig"><div id="sm8x3tl" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038609127250/5992744.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ake37n8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038609127250/5992744.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="82gdv9p" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>廣州PFC電腦電源銷售,PFC電源</p><p><span>***更新：</span>2021-01-14 11:18:02</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="bamewah" 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(jī): </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="k8ugn9y" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rq2kun7" class="box"><p><p style="text-indent:25px">電源沒有pfc會有什么后果：PFC是用來提高功率因數(shù)的，在電網(wǎng)中存在有功功率和無功功率，功率因數(shù)提高后，無功功率就減少了。在我國，使用的是有功電度表，廣州PFC電腦電源銷售，它是無法測量無功功率的，所以即使電源沒有PFC，也不會多扣電費(fèi)。但是在國外比如歐洲，它們的電度表也會計(jì)算無功功率的，沒有PFC就意味著要花更多的電費(fèi)。所以zui好買帶PFC的電源，主動PFC電源的功率因數(shù)可以做的比較高，建議購買主動PFC的電源。關(guān)于電壓，這個跟PFC關(guān)系不是太大，但需要注意的是，廣州PFC電腦電源銷售，某些國家比如美國日本，它們使用的是110V交流電，那你購買電源就要購買支持100-240V全電壓的產(chǎn)品，以免到國外不能使用，廣州PFC電腦電源銷售。電源的輸入電壓可以從電源銘牌看到，正規(guī)的支持全電壓的電源的銘牌會標(biāo)注100-240V電壓字樣，很好辨識。但是PFC就不容易從外觀看了，除非你拆開電源，簡單的辦法就是到官方網(wǎng)站查詢產(chǎn)品資料。有些電源在待機(jī)時發(fā)出高頻噪音，也是因?yàn)橹鲃覲FC。廣州PFC電腦電源銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州PFC電腦電源銷售,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038609127250/5992744.png"></div><p style="text-indent:25px">如何快速維修pfc電路：4、電源板可以從電視上摘下**維修，維修時只需要把開關(guān)機(jī)控制電路三極管C、E短接（或?qū)⒁恢?.5K左右的電阻與副電源的+5V輸出端相連》，整機(jī)就處于開機(jī)狀態(tài)，各路電壓均有輸出。在部分液晶采電的開關(guān)電源中，只有+ 12V或+24V輸出端帶有一定功率的負(fù)載，主開關(guān)電源才進(jìn)行正常的工作狀態(tài)。所以在+24V輸出端上你可以接一只電動自行車的36 V燈泡作假負(fù)載（或在+ 12V輸出端接一只摩托車燈泡作假負(fù)載）即可。5、液晶電源通電后，副電源先工作，輸出+5V電壓給數(shù)字板上的CPU，此時整機(jī)處于待機(jī)狀態(tài)。當(dāng)按”待機(jī)“鍵后，CPU輸出開機(jī)電平，PFC 電路先工作，將+300V脈動直流電壓轉(zhuǎn)換成正常的直流電壓（+380V）后，這時主開關(guān)電源的脈寬振蕩器才開始工作; 接著主開關(guān)變壓器次級輸出+ 12V、+24V電壓，整機(jī)進(jìn)入正常工作狀態(tài)。濟(jì)南PFC電源價(jià)格主動式PFC擁有更高的功率因數(shù)（高達(dá)99%）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州PFC電腦電源銷售,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038635709246/2295771.png"></div><p style="text-indent:25px">主動式PFC，也稱有源PFC。主動式PFC使用主動組件 [控制線路及功率型開關(guān)式組件(power sine conductor On/Off switch)，基本運(yùn)作原理為調(diào)整輸入電流波型使其與輸入電壓波形盡可能相似，功率因素校正值可達(dá)近乎99%。此外主動式PFC有另一項(xiàng)重要附加價(jià)值，即電源供應(yīng)器輸入電壓范圍可擴(kuò)增為90Vdc到264Vdc的全域電壓，電源供應(yīng)器不需要像以往一般需切換電壓。相對地，因?yàn)槠鋬?yōu)異功能，主動式PFC價(jià)格也較高。另外消費(fèi)者還要注意，一般而言很多被動式的設(shè)計(jì)，在115V的系統(tǒng)上是沒有置入的，因?yàn)閺S商只作230V的部分，所以需請?jiān)?15V電壓系統(tǒng)下的消費(fèi)者，留意此問題，可能多花了錢卻買到在115V下沒有PFC作用的電源供應(yīng)器。</p><p style="text-indent:25px">主動式PFC的優(yōu)點(diǎn)：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(xiǎn)。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(jià)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?cái)?shù)(電力)要求將越高，主動式PFC因成本不隨輸出瓦特?cái)?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(jì)的電源。主動式PFC電路的升壓能力，能容許較低的輸入電壓。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州PFC電腦電源銷售,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png"></div><p style="text-indent:25px">為了體現(xiàn)電器設(shè)備對能量的利用率，我們就需要用到功率因數(shù)（Power Factor），即我們PC電源評測中常提到的PF值，這是一個有效功率除以視在功率所得出來的比值。而功率因數(shù)校正即PFC（Power Factor Correction）的用作就是提升PF值，它可以起到減少脈沖電流諧波分量、降低EMI電磁干擾、降低諧波失真度等作用，從是實(shí)現(xiàn)降低電網(wǎng)污染、使功率因數(shù)趨向于1的效果。目前PC電源中有分為被動式PFC和主動式PFC，前者常見于低端電源產(chǎn)品或者是一些比較老舊的產(chǎn)品中，一般來說可以將電源的功率因數(shù)控制在0.7到0.8的范圍，但一般不會超過0.8；后者則是目前主流和高級電源的標(biāo)配，它可以將電源的功率因數(shù)控制在0.9甚至更高的水平，部分高級產(chǎn)的功率因數(shù)甚至可以無限接近于1。無源PFC電路是以**電源的效率和穩(wěn)定性為代價(jià)的。廣州PFC電腦電源銷售</p><p style="text-indent:25px">被動式PFC一般分“電感補(bǔ)償式”和“填谷電路式（Valley Fill Circuit）”。廣州PFC電腦電源銷售</p><p style="text-indent:25px">PFC就是功率因數(shù)校正的意思，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。PC電源采用傳統(tǒng)的橋式整流、電容濾波電路會使AC輸入電流產(chǎn)生嚴(yán)重的波形畸變，向電網(wǎng)注入大量的高次諧波，因此網(wǎng)側(cè)的功率因數(shù)不高，*有0.6左右，并對電網(wǎng)和其它電氣設(shè)備造成嚴(yán)重諧波污染與干擾。早在80年代初，人們已對這類裝置產(chǎn)生的高次諧波電流所造成的危害引起了關(guān)注。1982年，國際電工委員會制訂了IEC55－2限制高次諧波的規(guī)范（后來的修訂規(guī)范是IEC1000－3－2），促使眾多的電力電子技術(shù)工作者開始了對諧波濾波和功率因數(shù)校正（PFC）技術(shù)的研究。電子電源產(chǎn)品中引入PFC電路，就可以較大提高對電能的利用效率。廣州PFC電腦電源銷售</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2844631.html</p></div></div></div></div></div><div id="xrjqsrd" class="page-right twoColRt"><div id="jif8b8i" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3fro3ub" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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