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href="http://m.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="boaw3sz" class="twoCol"><div id="8efwnqm" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產品供應</a>?<a href="http://m.cdcfah.com/cp/first-_nengyuan/">能源</a>?<a href="http://m.cdcfah.com/cp/second-nengyuan_pdsdsb/">配電輸電設備</a>?<a href="http://m.cdcfah.com/cp/third-pdsdsb_qtpdsdsb/">其他配電輸電設備</a>?武漢被動式電源pfc采購抱誠守真深圳市保益新能電氣供應</p><div id="m2fbsop" class="leftbox clearfix"><h1>武漢被動式電源pfc采購抱誠守真深圳市保益新能電氣供應</h1><div id="b83qsjq" class="proBig"><div id="uhykqmn" 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="mugnekg" 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="o2otjfr" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>武漢被動式電源pfc采購,PFC電源</p><p><span>***更新：</span>2020-11-13 01:16:38</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="hvh38ov" 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="xawpab8" class="page-proshow02"><p class="title">詳細說明</p><div id="gtpw2np" class="box"><p><p style="text-indent:25px">主動式PFC：而主動式PFC則由電感電容及電子元器件組成，體積小、通過**IC去調整電流的波形，對電流電壓間的相位差進行補償。主動式PFC可以達到較高的功率因數──通?？蛇_98%以上，但成本也相對較高。此外，主動式PFC還可用作輔助電源，因此在使用主動式PFC電路中，往往不需要待機變壓器，武漢被動式電源pfc采購，而且主動式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。　PFC相關專業(yè)術語：1.corrector， power factor （PFC）功率因數修正器。2.power-factor corrector （PFC）功率因數修正器。3，武漢被動式電源pfc采購.power factor control （PFC）功率因數控制，武漢被動式電源pfc采購。主動式PFC還可用作輔助電源，因此在使用主動式PFC電路中，往往不需要待機變壓器。武漢被動式電源pfc采購</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢被動式電源pfc采購,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041293638980/8296733.png"></div><p style="text-indent:25px">電源里主動PFC和被動PFC有什么區(qū)別：有源和無源的區(qū)別。PFC的全稱是Power Factor Corrector，意思是功率因數校正器，它可以在交流轉換為直流時提高電源對市電的利用率，但不能減小轉換過程的電能損耗，也沒有節(jié)約電能的功能。此外，PFC還能減少電源對市電電網的干擾，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及以上的中高級電源。就性能而言，主動式PFC擁有更高的功率因數（高達99%），配合好的電路設計，能適應更高的電壓范圍。你可以通過電源散熱孔查看該產品采用了何種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。合肥PFC電腦電源批發(fā)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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢被動式電源pfc采購,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038737730808/982750.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電源產品，都紛紛打出了“主動式PFC電源更加省電”的旗幟，引導消費者選擇采用主動式PFC設計的產品。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是電源的轉換效率，這個轉換效率直接影響電源有效功率的高低，在相同的輸出負載下，轉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">什么是被動式PFC？被動式PFC曾經是PC電源上的主流，現在雖然已經退出主流市場，但由于相對低廉的成本，因此其仍然活躍在額定功率400W以下的入門級電源產品中。被動式PFC電源的PF值大多在0.7到0.8左右，但甚少能有超過0.8的水平，畢竟要在被動式PFC電源上做到PF值0.8以上，從成本來說足以做主動式PFC電源，后者的PF值可以輕松達到0.9的水平。常見于PC電源中的被動式PFC是電感補償式，其通過減少交流輸入的基波電流與電壓之間相位差來提高功率因數，特點是在高壓濾波電容附近有一個PFC電感，這個電感由多塊硅鋼片外部纏繞銅線而成，體積大、重量高，為了保證其安裝穩(wěn)固，現在不少被動式PFC電源會把PFC電感固定在外殼，再通過導線連接到主PCB上。有源PFC則是有很好的效果，基本上可以完全的消除電流波形的畸變。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢被動式電源pfc采購,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png"></div><p style="text-indent:25px">pfc對電源的重要性：我們接下來要說的，就是主動PFC和被動PFC電路。被動PFC相對主動PFC，功率因數較低，并且被動PFC只適用于230V高壓電網，對于115V低壓電網，被動PFC還需要一個倍壓器以適應電網規(guī)格。不過，被動PFC比主動PFC的效能要高！此外，在主動PFC電路中我們還會看到一個熱敏電阻，同樣是用來限制突然涌入的電流，特別是當電源通電以及啟動時。主動PFC電路通常也有兩種不同的模式，電流斷續(xù)模式DCM（Discontinuous Conduction Mode）和電流連續(xù)模式CCM（ Continuous Conduction Mode）。其中DCM是指，當電感電流為零時，PFC的MOSFET管被開啟的工作狀態(tài)；CCM是指，電感電流始終在零以上，PFC的MOSFET管被開啟的工作狀態(tài)，因此在MOSFET管中，所有的反向恢復的能量都會被浪費。在電源PFC電路中的第二種模式（CCM）主要被用于超過200W功率輸出的電源，因為他能夠提供相對較低電流噪聲峰值，這意味著高功率電源可以有效抑制電流紋波，輸出更為平順的電流。不過CCM的缺點是耗能較高，并且在升壓二極管關閉時，會產生額外EMI，所以我們經常會看到電源整流橋后通常會增加一個X電容。主動式PFC就是一個有源的升壓電路。武漢被動式電源pfc采購</p><p style="text-indent:25px">主動式和被動式pfc是衡量電源檔次高低的一個重要因素。武漢被動式電源pfc采購</p><p style="text-indent:25px">主動式PFC和被動式PFC電源共同與不同之處簡單地說，主動式PFC就是一個有源的升壓電路。它通過高頻電感線圈、開關電子管、高壓濾波電容以及控制IC等元件，組成一個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電路中的電能損耗。為什么升高輸入電壓會減少電能損耗呢？我們知道，功率P=UI，在電網的輸入總功率P一定的情況下，只要提高電壓，電流值就會變小，從而降低電路的電能損耗。我們國家的電網系統(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。武漢被動式電源pfc采購</p><p style="text-indent:25px">深圳市保益新能電氣有限公司主營品牌有保益，發(fā)展規(guī)模團隊不斷壯大，該公司生產型的公司。保益新能是一家有限責任公司企業(yè)，一直“以人為本，服務于社會”的經營理念;“誠守信譽，持續(xù)發(fā)展”的質量方針。公司業(yè)務涵蓋UPS/EPS電源，雙向逆變器，安防電源，激光儲能電源，價格合理，品質有保證，深受廣大客戶的歡迎。保益新能自成立以來，一直堅持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會各界的普遍認可與大力支持。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1963528.html</p></div></div></div></div></div><div id="gjvriex" class="page-right twoColRt"><div id="8so848m" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7y7xzaw" 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配件哪家強信息推薦自業(yè)物資供應" 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