主動(dòng)式PFC電源哪家好誠信服務(wù) 深圳市保益新能電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="pfc對(duì)電源的重要性：功率因數(shù)（PF）是指，實(shí)際功率（有效功率）與視在功率（表觀功率）的比率（kW/kVA），而我們都知道，功率P等于電壓與電流的乘積（P=V×I）。另外，在電路中會(huì)存在著zui基本的兩種電路負(fù)載，一種為“電阻（由電源中各種"><meta name="keywords" content="主動(dòng)式PFC電源哪家好,PFC電源"><link rel="canonical" href="http://m.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" 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style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>主動(dòng)式PFC電源哪家好,PFC電源</p><p><span>***更新：</span>2020-11-20 02:14:16</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3dvxzqf" 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(hào)德泰工業(yè)區(qū)1號(hào)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="v8lif3g" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="sczwo7p" class="box"><p><p style="text-indent:25px">pfc對(duì)電源的重要性：功率因數(shù)（PF）是指，實(shí)際功率（有效功率）與視在功率（表觀功率）的比率（kW/kVA），而我們都知道，功率P等于電壓與電流的乘積（P=V×I）。另外，在電路中會(huì)存在著zui基本的兩種電路負(fù)載，一種為“電阻（由電源中各種電阻構(gòu)成的電路負(fù)載）”，另外一種為“電抗（由電源中電感線圈和電容構(gòu)成的電路負(fù)載）”。如果整個(gè)電路都是線性負(fù)載（電路阻抗為恒定常數(shù)的負(fù)載），那么電源電壓和電流都將會(huì)呈現(xiàn)為正弦曲線，并且相位相同，主動(dòng)式PFC電源哪家好。而如果在這個(gè)純電阻電路中，那么電壓和電流都會(huì)在同一時(shí)刻逆轉(zhuǎn)極性，主動(dòng)式PFC電源哪家好，那么也就是說，主動(dòng)式PFC電源哪家好，在每一時(shí)刻，電壓與電流的乘積都為“正”。也就是說，在電路中，沒有“反方向（負(fù)極方向）”的能量移動(dòng)，而此時(shí)所產(chǎn)生負(fù)載功率才被稱為“實(shí)際功率”。主動(dòng)PFC在低功率時(shí)，自身損耗大于被動(dòng)PFC。主動(dòng)式PFC電源哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="主動(dòng)式PFC電源哪家好,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041293638980/8296733.png"></div><p style="text-indent:25px">PC電源為什么需要配置PFC電路？目前電路負(fù)載基本上可以分為兩種模式，其一為電阻型負(fù)載，這種負(fù)載在采用交流輸入時(shí)，其電壓與電流的波形都將呈現(xiàn)正弦曲線且相位相同，換句話說電壓和電流都會(huì)在同一時(shí)刻逆轉(zhuǎn)極性，能量一直為正向移動(dòng)；另外一種則是電抗型負(fù)載，這種負(fù)載在采用交流輸入時(shí)雖然電壓與電流的波形同樣為正弦曲線，但兩個(gè)波形之間存在相位差，這樣就無法保證電壓與電流在每一個(gè)時(shí)刻都是相同的極性，在極性相反的周期內(nèi)，能量是反向移動(dòng)。由于電壓與電流波形之間存在相位差，因此會(huì)有反向能量即無效功率的產(chǎn)生。當(dāng)然這兩種都是理想狀態(tài)下的負(fù)載，在實(shí)際應(yīng)用中其實(shí)是電阻性負(fù)載與電抗型負(fù)載的混合，極少存在單一型負(fù)載的情況，因此在任意時(shí)刻的負(fù)載中會(huì)有兩種不同方向的能量，其中只有正向能量是有價(jià)值的，我們將其稱為有效功率，反向能量則稱為無效功率，而兩者的綜合就是視在功率了。南京PFC電腦電源多少錢主動(dòng)式PFC一般由功率MOFET開關(guān)管、PFC二極管、電感、等六個(gè)電子元器件組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="主動(dòng)式PFC電源哪家好,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038655679952/7203321.png"></div><p style="text-indent:25px">主動(dòng)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(dòng)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(duì)環(huán)保有益。6、因應(yīng)未來CPU發(fā)展趨勢(shì)，輸出瓦特?cái)?shù)(電力)要求將越高，主動(dòng)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(dòng)式PFC優(yōu)于被動(dòng)式PFC，因此，選擇節(jié)能型的電源必須選擇采用主動(dòng)式PFC電路設(shè)計(jì)的電源。</p><p style="text-indent:25px">我們?yōu)槭裁匆x擇主動(dòng)式PFC電源？如果**是從省電費(fèi)的角度來考慮，電源是采用主動(dòng)式PFC、被動(dòng)式PFC甚至是有無PFC都沒有什么關(guān)系，因?yàn)槭″X與否的關(guān)鍵是在電源的轉(zhuǎn)換效率。但是實(shí)際與理論總是有一些差別的，從客觀事實(shí)來說，同樣額定功率的電源產(chǎn)品，主動(dòng)式PFC電源大部分確實(shí)有著比被動(dòng)式PFC產(chǎn)品更高的轉(zhuǎn)換效率，因?yàn)榍罢咄谧龉?、用料和架?gòu)上都會(huì)有更高的水平，品質(zhì)也會(huì)更好，所以主動(dòng)式PFC電源產(chǎn)品在客觀上確實(shí)要更省電費(fèi)，雖然兩者沒有必然的聯(lián)系。與被動(dòng)式PFC相比，主動(dòng)式PFC電路省去了一個(gè)較大體積的含有硅鋼片的電感。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="主動(dòng)式PFC電源哪家好,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041410054963/9568029.png"></div><p style="text-indent:25px">主動(dòng)式PFC和被動(dòng)式PFC電源共同與不同之處簡單地說，主動(dòng)式PFC就是一個(gè)有源的升壓電路。它通過高頻電感線圈、開關(guān)電子管、高壓濾波電容以及控制IC等元件，組成一個(gè)可以將輸入電壓提高的電路，通過升高輸入電壓來減少電流在流向下級(jí)電路中的電能損耗。為什么升高輸入電壓會(huì)減少電能損耗呢？我們知道，功率P=UI，在電網(wǎng)的輸入總功率P一定的情況下，只要提高電壓，電流值就會(huì)變小，從而降低電路的電能損耗。我們國家的電網(wǎng)系統(tǒng)之所以要采用高壓電線來傳輸電能，也是出于降低能耗的考慮。主動(dòng)式PFC可以達(dá)到較高的功率因數(shù)──通?？蛇_(dá)98%以上，但成本也相對(duì)較高。主動(dòng)式PFC電源哪家好</p><p style="text-indent:25px">“填谷電路式”屬于一種新型無源功率因數(shù)校正電路。主動(dòng)式PFC電源哪家好</p><p style="text-indent:25px">主動(dòng)式PFC的一般結(jié)構(gòu)：主動(dòng)式PFC一般由功率MOFET開關(guān)管、PFC二極管、電感、濾波電容和NTC熱敏電阻以及IC整合電路六個(gè)電子元器件組成。下面我們就來看看這些配置吧。主電容及IC整合電路：主動(dòng)式PFC電路的設(shè)計(jì)還是比較復(fù)雜的，這無形之中就增加了電源的制作成本，因此在市場上，采用主動(dòng)式PFC電路設(shè)計(jì)的電源給消費(fèi)者的感覺就是價(jià)格比較高。雖然說主動(dòng)式PFC電路設(shè)計(jì)比較復(fù)雜，成本也比較高，但是它帶來的效益還是不可估量的，zui重要的是，它能適應(yīng)更高的電壓范圍，這對(duì)于玩家來說是非常關(guān)鍵的。主動(dòng)式PFC電源哪家好</p><p style="text-indent:25px">深圳市保益新能電氣有限公司位于大浪街道浪口社區(qū)華榮路496號(hào)德泰工業(yè)區(qū)1號(hào)廠房4層402。保益新能致力于為客戶提供良好的UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事電工電氣多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。保益新能立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2061673.html</p></div></div></div></div></div><div id="gvsugce" class="page-right twoColRt"><div id="jtq8byq" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wgdvnp3" class="recomPic likePro"><a href="http://m.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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="qkh7ydi" class="recomPic likePro"><a 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