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clearfix tcPro"><section class="home-main container clearfix"><div id="ap4e2w3" class="twoCol"><div id="j3v3tfm" class="page-proshow 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>?合肥主動(dòng)式PFC電源歡迎來電深圳市保益新能電氣供應(yīng)</p><div id="v7zo8od" class="leftbox clearfix"><h1>合肥主動(dòng)式PFC電源歡迎來電深圳市保益新能電氣供應(yīng)</h1><div id="lapldf3" class="proBig"><div id="kixjgnk" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041284644784/1270972.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="polnkbn" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041284644784/1270972.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kz777wt" 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>合肥主動(dòng)式PFC電源,PFC電源</p><p><span>***更新：</span>2020-11-24 00:25:16</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="u8xpmoa" 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="imoqxy8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nb39bn7" 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），合肥主動(dòng)式PFC電源，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。而如果在這個(gè)純電阻電路中，合肥主動(dòng)式PFC電源，那么電壓和電流都會(huì)在同一時(shí)刻逆轉(zhuǎn)極性，那么也就是說，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)，合肥主動(dòng)式PFC電源，而此時(shí)所產(chǎn)生負(fù)載功率才被稱為“實(shí)際功率”。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。合肥主動(dòng)式PFC電源</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥主動(dòng)式PFC電源,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041284644784/1270972.png"></div><p style="text-indent:25px">無PFC電源的缺點(diǎn)1.主動(dòng)PFC在低功率時(shí)，自身損耗大于被動(dòng)PFC。畢竟它是一個(gè)復(fù)雜的電路，工作起來要消耗電能;而被動(dòng)PFC就是一個(gè)電感。不過很少有人讓高級(jí)電源工作的低負(fù)載下，這個(gè)問題也就不明顯了。2.主動(dòng)PFC還有一個(gè)zui麻煩的缺點(diǎn)：電磁干擾大。為了搞定電磁干擾，EMI濾波電路要加強(qiáng)，電路更加復(fù)雜。有些電源在待機(jī)時(shí)發(fā)出高頻噪音，也是因?yàn)橹鲃?dòng)PFC。3.無源PFC電路是以**電源的效率和穩(wěn)定性為代價(jià)的。很多不太懂電源人，盲目的把電源加上無源PFC電路，以為這樣就能很容易的解決電路的PF值問題了，事實(shí)上，這樣在很多時(shí)候是得不償失。4.增加一點(diǎn)PF值，**了電源本身的更多優(yōu)良性能，無源PFC大約有兩種方式。濟(jì)南主動(dòng)式電源pfc批發(fā)哪家好相對(duì)于被動(dòng)PFC簡單直觀的外形，主動(dòng)式PFC電路要復(fù)雜許多。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥主動(dòng)式PFC電源,PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png"></div><p style="text-indent:25px">pfc對(duì)電源的重要性：我們接下來要說的，就是主動(dòng)PFC和被動(dòng)PFC電路。被動(dòng)PFC相對(duì)主動(dòng)PFC，功率因數(shù)較低，并且被動(dòng)PFC只適用于230V高壓電網(wǎng)，對(duì)于115V低壓電網(wǎng)，被動(dòng)PFC還需要一個(gè)倍壓器以適應(yīng)電網(wǎng)規(guī)格。不過，被動(dòng)PFC比主動(dòng)PFC的效能要高！此外，在主動(dòng)PFC電路中我們還會(huì)看到一個(gè)熱敏電阻，同樣是用來限制突然涌入的電流，特別是當(dāng)電源通電以及啟動(dòng)時(shí)。主動(dòng)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(dāng)電感電流為零時(shí)，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(fù)的能量都會(huì)被浪費(fèi)。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?yàn)樗軌蛱峁┫鄬?duì)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(diǎn)是耗能較高，并且在升壓二極管關(guān)閉時(shí)，會(huì)產(chǎn)生額外EMI，所以我們經(jīng)常會(huì)看到電源整流橋后通常會(huì)增加一個(gè)X電容。</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(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。主動(dòng)式PFC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)電路。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥主動(dòng)式PFC電源,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則由電感電容及電子元器件組成，體積小、通過**IC去調(diào)整電流的波形，對(duì)電流電壓間的相位差進(jìn)行補(bǔ)償。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。此外，主動(dòng)式PFC還可用作輔助電源，因此在使用主動(dòng)式PFC電路中，往往不需要待機(jī)變壓器，而且主動(dòng)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。交過電費(fèi)的人都知道，同樣是使用電網(wǎng)中的電能，為什么工業(yè)用電和居民用電的價(jià)格卻不盡相同呢？大多數(shù)人也許會(huì)給出這樣一個(gè)答案：“工業(yè)用電是要?jiǎng)?chuàng)造價(jià)值，進(jìn)行商業(yè)盈利的；其次就是工業(yè)設(shè)備污染環(huán)境比較多；再次就是工業(yè)用電的傳輸成本高。”這個(gè)答案說明了一些問題，但是如果您具備專業(yè)知識(shí)，或者通過前面的學(xué)習(xí)，了解了什么是功率因數(shù)，那么您肯定能給出更專業(yè)的答案：“工業(yè)中使用的用電設(shè)備多為電感或電容性設(shè)備，其功率因數(shù)相對(duì)居民用電設(shè)備的功率因數(shù)較低，造成了電網(wǎng)中無功功率較高，電力公司需要多發(fā)電來維持這個(gè)無功功率，浪費(fèi)了這部分的電能，所以工業(yè)用電用戶就需要為這部分浪費(fèi)的電能買單。”計(jì)算機(jī)開關(guān)電源是一種電容輸入型電路。成都主動(dòng)式電源pfc銷售廠家</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。合肥主動(dòng)式PFC電源</p><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，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。合肥主動(dòng)式PFC電源</p><p style="text-indent:25px">深圳市保益新能電氣有限公司總部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，是一家電氣設(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。的公司。保益新能深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源。保益新能不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。保益新能始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使保益新能在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2113555.html</p></div></div></div></div></div><div id="h2m3eb8" class="page-right twoColRt"><div id="8zrovsz" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kpm7pwy" class="recomPic likePro"><a 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