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clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_nengyuan/">能源</a>?<a href="http://m.cdcfah.com/cp/second-nengyuan_pdsdsb/">配電輸電設(shè)備</a>?<a href="http://m.cdcfah.com/cp/third-pdsdsb_qtpdsdsb/">其他配電輸電設(shè)備</a>?蘇州PFC電源生產(chǎn)廠家推薦咨詢深圳市保益新能電氣供應(yīng)</p><div id="lp8oln2" class="leftbox clearfix"><h1>蘇州PFC電源生產(chǎn)廠家推薦咨詢深圳市保益新能電氣供應(yīng)</h1><div id="xg7qxey" class="proBig"><div id="32wvrof" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041293638980/8296733.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3szwtam" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041293638980/8296733.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xbdv8rl" 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>蘇州PFC電源生產(chǎn)廠家,PFC電源</p><p><span>***更新：</span>2020-12-03 08:19:06</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="oyvs2a7" 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="fjvsumt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="k2km77n" class="box"><p><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(shí)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(dòng)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，蘇州PFC電源生產(chǎn)廠家，副電源先工作，輸出+5V電壓給數(shù)字板上的CPU，此時(shí)整機(jī)處于待機(jī)狀態(tài)，蘇州PFC電源生產(chǎn)廠家，蘇州PFC電源生產(chǎn)廠家。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(dòng)直流電壓轉(zhuǎn)換成正常的直流電壓（+380V）后，這時(shí)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(jí)輸出+ 12V、+24V電壓，整機(jī)進(jìn)入正常工作狀態(tài)。被動(dòng)式PFC一般分“電感補(bǔ)償式”和“填谷電路式（Valley Fill Circuit）”。蘇州PFC電源生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州PFC電源生產(chǎn)廠家,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041293638980/8296733.png"></div><p style="text-indent:25px">目前電腦用的電源PFC有兩種，一是被動(dòng)式PFC，也稱無源PFC；一是主動(dòng)式PFC，也稱有源式PFC。1、主動(dòng)式PFC主要由高頻電感、開關(guān)管、電容以及控制IC等元件構(gòu)成，可簡(jiǎn)單的歸納為升壓型開關(guān)電源電路，這種電路的特點(diǎn)是構(gòu)造復(fù)雜，但優(yōu)點(diǎn)很多：功率因數(shù)高達(dá)0.99、低損耗和高可靠、輸入電壓可以從90V到270V(寬幅輸入)等，由于輸出DC電壓紋波很小，因此采用主動(dòng)式PFC的電源不需要采用很大容量的濾波電容。2、被動(dòng)式PFC通常為一塊體積較大的電感，其內(nèi)部由多塊硅鋼片外部纏繞銅線而組成，它的原理是采用電感補(bǔ)償方法通過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)，被動(dòng)式PFC的功率因數(shù)不是很高，只能達(dá)到0.7~0.8，因此其效率也比較低，發(fā)熱量也比較大。被動(dòng)式PFC也并非一無是處，其結(jié)構(gòu)簡(jiǎn)單，穩(wěn)定性上表現(xiàn)好，比較適合中低端電源。3、主動(dòng)式PFC設(shè)計(jì)復(fù)雜，成本較高；主動(dòng)式PFC比被動(dòng)式PFC性能要好，更加節(jié)能；主動(dòng)式PFC的功率因數(shù)更高；被動(dòng)式PFC電源成本低。正因如此，主動(dòng)式PFC已成為當(dāng)前電腦主流電源。如果你只是想用低端的電腦穩(wěn)定使用的話，那買個(gè)被動(dòng)式PFC的電源使用沒問題。蘇州PFC電源生產(chǎn)廠家被動(dòng)式PFC通常為一塊體積較大的電感。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州PFC電源生產(chǎn)廠家,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png"></div><p style="text-indent:25px">被動(dòng)式PFC：被動(dòng)式PFC一般分“電感補(bǔ)償式”和“填谷電路式（Valley Fill Circuit）”?！半姼醒a(bǔ)償式”是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)，“電感補(bǔ)償式”包括靜音式和非靜音式。“電感補(bǔ)償式”的功率因數(shù)只能達(dá)到0.7～0.8，它一般在高壓濾波電容附近?！疤罟入娐肥健睂儆谝环N新型無源功率因數(shù)校正電路，其特點(diǎn)是利用整流橋后面的填谷電路來大幅度增加整流管的導(dǎo)通角，通過填平谷點(diǎn)，使輸入電流從尖峰脈沖變?yōu)榻咏谡也ǖ牟ㄐ?，將功率因?shù)提高到0.9左右，明顯降低總諧波失真。與傳統(tǒng)的電感式無源功率因數(shù)校正電路相比，其優(yōu)點(diǎn)是電路簡(jiǎn)單，功率因數(shù)補(bǔ)償效果明顯，并且在輸入電路中不需要使用體積大重量沉的大電感器。</p><p style="text-indent:25px">開關(guān)電源中的pfc是什么意思？PFC就是功率因數(shù)校正，由于開關(guān)電源不是純電阻負(fù)載，屬于容性負(fù)載，大量的開關(guān)電源同時(shí)使用會(huì)干擾電網(wǎng)，使電網(wǎng)不平衡。一般開關(guān)電源的功率因數(shù)PF為0.6左右。理想的純電阻負(fù)載功率因數(shù)PF為1，開關(guān)電源經(jīng)功率因數(shù)PF校正后可以達(dá)到0.8以上！開關(guān)電源功率因素低，會(huì)影響電網(wǎng)的使用效率，比如：10KW的電力變壓器，如果使用功率因數(shù)PF為0.6，功率1KW的開關(guān)電源，只能同時(shí)帶動(dòng)6臺(tái)這樣的開關(guān)電源，如果使用功率因數(shù)PF為0.9，功率1KW的開關(guān)電源，可以同時(shí)帶動(dòng)9臺(tái)這樣的開關(guān)電源！大量使用功率因素低的開關(guān)電源，會(huì)將許多功率消耗在電線上，使電線發(fā)熱。還會(huì)使電網(wǎng)的正弦波失真變形，影響其它電器的正常使用。一般大功率開關(guān)電源，都要求功率因數(shù)PF在0.8以上！對(duì)于手機(jī)充電器這樣的小功率開關(guān)電源，沒有要求。對(duì)于LED電源，有些對(duì)功率因數(shù)也有要求。主動(dòng)PFC為了搞定電磁干擾，EMI濾波電路要加強(qiáng)，電路更加復(fù)雜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州PFC電源生產(chǎn)廠家,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038635709246/2295771.png"></div><p style="text-indent:25px">主動(dòng)式PFC，也稱有源PFC。主動(dòng)式PFC使用主動(dòng)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(dòng)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(duì)地，因?yàn)槠鋬?yōu)異功能，主動(dòng)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(dòng)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(qǐng)?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。主動(dòng)PFC在低功率時(shí)，自身損耗大于被動(dòng)PFC。蘇州主動(dòng)式電源pfc廠家聯(lián)系方式</p><p style="text-indent:25px">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。蘇州PFC電源生產(chǎn)廠家</p><p style="text-indent:25px">目前銷售在國(guó)內(nèi)發(fā)展時(shí)，依舊有諸多不便，例如與相關(guān)部門、電網(wǎng)、物業(yè)等各方所有的申請(qǐng)、協(xié)調(diào)等工作都是潛在問題，并且目前銷售市場(chǎng)還存在一個(gè)重大問題即利用率較低。并且，為提升UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源的服務(wù)質(zhì)量、提高服務(wù)能力，相關(guān)部門大力支持運(yùn)營(yíng)商深化“互聯(lián)網(wǎng)+”設(shè)施應(yīng)用，鼓勵(lì)建成集設(shè)施監(jiān)控、服務(wù)、多元支付等為一體的設(shè)施運(yùn)營(yíng)服務(wù)平臺(tái)，推動(dòng)互聯(lián)互通。根據(jù)調(diào)研機(jī)構(gòu)IHS的預(yù)計(jì)，2016年已經(jīng)有超過25款智能手機(jī)、20款智能手表、200種充電板、150種智能手機(jī)殼和50款車型實(shí)現(xiàn)了UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源功能。所以筆者認(rèn)為，現(xiàn)階段UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源技術(shù)已經(jīng)跨越初期應(yīng)用技術(shù)鴻溝，預(yù)計(jì)在不久的將來普及率會(huì)繼續(xù)增長(zhǎng)。全球經(jīng)濟(jì)國(guó)際化，電氣設(shè)備、電源產(chǎn)品、逆變器，UPS，通訊電源，儲(chǔ)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(bǔ)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(jì)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。等產(chǎn)業(yè)也趨向生產(chǎn)、物流、銷售國(guó)際化。電氣設(shè)備、電源產(chǎn)品、逆變器，UPS，通訊電源，儲(chǔ)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(bǔ)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(jì)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。是工廠自動(dòng)化、家庭生活自動(dòng)化、辦公自動(dòng)化的重要基礎(chǔ)產(chǎn)品。各種新的產(chǎn)品不斷出現(xiàn)和人們生活質(zhì)量不斷提高，對(duì)電氣設(shè)備、電源產(chǎn)品、逆變器，UPS，通訊電源，儲(chǔ)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(bǔ)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(jì)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。產(chǎn)品的品質(zhì)要求和需要量也提出新的要求。蘇州PFC電源生產(chǎn)廠家</p><p style="text-indent:25px">深圳市保益新能電氣有限公司致力于電工電氣，是一家生產(chǎn)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源深受客戶的喜愛。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在電工電氣深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造電工電氣良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2248926.html</p></div></div></div></div></div><div id="om3cjls" class="page-right twoColRt"><div id="j3j8jbt" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vf8u7hg" 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="qk8et73" 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