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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>?蘇州主動式電源pfc廠家聯(lián)系方式創(chuàng)新服務(wù) 深圳市保益新能電氣供應(yīng)</p><div id="uzqxrse" class="leftbox clearfix"><h1>蘇州主動式電源pfc廠家聯(lián)系方式創(chuàng)新服務(wù) 深圳市保益新能電氣供應(yīng)</h1><div id="rldk7hj" class="proBig"><div id="mgs8ifm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041733853787/2368324.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dsutcyf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041733853787/2368324.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="eo8ik8f" 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>蘇州主動式電源pfc廠家聯(lián)系方式,PFC電源</p><p><span>***更新：</span>2020-12-03 09:18:41</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="gqa38fc" 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="8hodud8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ptq39qx" class="box"><p><p style="text-indent:25px">PFC的全稱是Power Factor Corrector，意思是功率因數(shù)校正器，它可以在交流轉(zhuǎn)換為直流時提高電源對市電的利用率，但不能減小轉(zhuǎn)換過程的電能損耗，也沒有節(jié)約電能的功能。主動式PFC電源：此外，蘇州主動式電源pfc廠家聯(lián)系方式，蘇州主動式電源pfc廠家聯(lián)系方式，PFC還能減少電源對市電電網(wǎng)的干擾，尤其是避免它在突然啟動時對其他電器的影響。PFC分為主動式（有源）和被動式（無源）兩種，它們是衡量電源檔次高低的一個重要因素。一般來說，功率在250W～300W的電源多采用被動式PFC，而主動式PFC則常用于400W及以上的中高類型的電源。就性能而言，蘇州主動式電源pfc廠家聯(lián)系方式，主動式PFC擁有更高的功率因數(shù)（高達(dá)99%），配合好的電路設(shè)計，能適應(yīng)更高的電壓范圍。你可以通過電源散熱孔查看該產(chǎn)品采用了何種PFC電路：被動式PFC通常為一塊體積較大的電感，由多塊硅鋼片外部纏繞銅線而成；而主動式PFC則由電感線圈配合IC控制芯片組成。PFC的意思是功率因數(shù)校正器。蘇州主動式電源pfc廠家聯(lián)系方式</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州主動式電源pfc廠家聯(lián)系方式,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041733853787/2368324.png"></div><p style="text-indent:25px">PFC電源與開關(guān)電源的區(qū)別是什么：在PFC開關(guān)電源當(dāng)中，開關(guān)穩(wěn)壓電源是非常重要的一個組成部分。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。普通的開關(guān)穩(wěn)壓電源需要220V整流供電，而PFC穩(wěn)壓開關(guān)電源是由B+PFC供電。整流以后不加濾波電容器，把未經(jīng)濾波的脈動正半周電壓作為斬波器的供電源，由于斬波器的一連串的做“開關(guān)”工作脈動的正電壓被“斬”成電流波形，其波形的特點(diǎn)是：1、電流波形是斷續(xù)的，其包絡(luò)線和電壓波形相同，并且包絡(luò)線和電壓波形相位同相。2、由于斬波的作用，半波脈動的直流電變成高頻（由斬波頻率決定，約100KHz）“交流”電，該高頻“交流”電要再次經(jīng)過整流才能被后級PWM開關(guān)穩(wěn)壓電源使用。3、從外供電總的看該用電系統(tǒng)做到了交流電壓和交流電流同相并且電壓波形和電流波形均符合正弦波形，既解決了功率因素補(bǔ)償問題，也解決電磁兼容（EMC）和電磁干擾（EMI）問題。合肥PFC電源價格主動式PFC在結(jié)構(gòu)上來說基本就是一個通過PWM控制電流波形的AC/DC整流器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州主動式電源pfc廠家聯(lián)系方式,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041284644784/1270972.png"></div><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。計算機(jī)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）。</p><p style="text-indent:25px">如何快速維修pfc電路：1、什么是PFC電路呢？ PFC電路說白了就是把橋堆整流后的+300V電壓升高到+375V---400V。這也是液晶電視的電源與CRT電視的電源不同之處的一點(diǎn)，不同之處的第二點(diǎn)就是次級電壓比CRT的低，其它的地方與普通的開關(guān)電源原理相同，都一樣。測得大濾波電容330U/450V兩端電壓為+375V---400V，則表明功率因數(shù)校正電路工作正常; 如果測得電容兩端電壓為+300V，說明PFC電路未工作，主查PFC振蕩集成電路。2、檢修液晶電源時; 首PFC振蕩集成電路。先確認(rèn)保險管狀態(tài)，保險管完好，通常PFC校正電路中的開關(guān)管等沒有失效。再測量大電解電容對地是否存在短路，有幾十千歐以上充電電阻，表明電源沒有擊穿。3、如果保險管損壞，一個要檢查PFC校正電路開關(guān)管，第二個要檢查副電5 N“、40英寸以下的一般輸出+5V、+12V、+24V三組電壓; 40英寸以上的一般輸出源IC。+5V、+12V、+18V、+24 V四組電壓。其中+5 V為待機(jī)電壓，+12V供數(shù)字板，+18V供伴音，+24 V供背光板。在實踐維修中，只要各組電壓一樣、功率一樣的電源板都可以代換。無源PFC電路是以**電源的效率和穩(wěn)定性為代價的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州主動式電源pfc廠家聯(lián)系方式,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041293638980/8296733.png"></div><p style="text-indent:25px">主動式PFC的一般結(jié)構(gòu)：主動式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：主動式PFC電路的設(shè)計還是比較復(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，采用主動式PFC電路設(shè)計的電源給消費(fèi)者的感覺就是價格比較高。雖然說主動式PFC電路設(shè)計比較復(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，這對于玩家來說是非常關(guān)鍵的。主動式PFC則由電感線圈配合IC控制芯片組成。蘇州主動式電源pfc廠家聯(lián)系方式</p><p style="text-indent:25px">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。蘇州主動式電源pfc廠家聯(lián)系方式</p><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，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在同一時刻逆轉(zhuǎn)極性，能量一直為正向移動；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雖然電壓與電流的波形同樣為正弦曲線，但兩個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時刻都是相同的極性，在極性相反的周期內(nèi)，能量是反向移動。由于電壓與電流波形之間存在相位差，因此會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，在實際應(yīng)用中其實是電阻性負(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，因此在任意時刻的負(fù)載中會有兩種不同方向的能量，其中只有正向能量是有價值的，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。蘇州主動式電源pfc廠家聯(lián)系方式</p><p style="text-indent:25px">深圳市保益新能電氣有限公司是一家電氣設(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(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。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。保益新能深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的UPS/EPS電源，雙向逆變器，安防電源，激光儲能電源。保益新能致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。保益新能始終關(guān)注電工電氣市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2249615.html</p></div></div></div></div></div><div id="rg2sofm" class="page-right twoColRt"><div id="ujg4cta" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cm8xzwy" 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) 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