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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>?南京被動(dòng)式電源pfc報(bào)價(jià) 服務(wù)至上深圳市保益新能電氣供應(yīng)</p><div id="lzbdkjk" class="leftbox clearfix"><h1>南京被動(dòng)式電源pfc報(bào)價(jià) 服務(wù)至上深圳市保益新能電氣供應(yīng)</h1><div id="hwtvsmi" class="proBig"><div id="2kr7hob" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041410054963/9568029.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3fcj3u2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041410054963/9568029.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bprtvpw" 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>南京被動(dòng)式電源pfc報(bào)價(jià),PFC電源</p><p><span>***更新：</span>2020-11-23 11:22:42</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="lphz8fz" 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="hbdvco7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="jxu7q7e" class="box"><p><p style="text-indent:25px">主動(dòng)式PFC：而主動(dòng)式PFC則由電感電容及電子元器件組成，體積小、通過(guò)**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，南京被動(dòng)式電源pfc報(bào)價(jià)，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。　PFC相關(guān)專業(yè)術(shù)語(yǔ)：1，南京被動(dòng)式電源pfc報(bào)價(jià).corrector， power factor （PFC）功率因數(shù)修正器。2.power-factor corrector （PFC）功率因數(shù)修正器，南京被動(dòng)式電源pfc報(bào)價(jià)。3.power factor control （PFC）功率因數(shù)控制。被動(dòng)式PFC通常為一塊體積較大的電感。南京被動(dòng)式電源pfc報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京被動(dòng)式電源pfc報(bào)價(jià),PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406041410054963/9568029.png"></div><p style="text-indent:25px">被動(dòng)式PFC的缺點(diǎn)：1、當(dāng)歐洲EN的諧波規(guī)范越來(lái)越嚴(yán)格時(shí)，電感量產(chǎn)的質(zhì)量需提升，而生產(chǎn)難度將提高。2、沉重重量增加電源供應(yīng)器在運(yùn)輸過(guò)程損壞的風(fēng)險(xiǎn)。3、原料短缺的風(fēng)險(xiǎn)較高。4、如電源內(nèi)部結(jié)構(gòu)固定的不正確，容易產(chǎn)生震動(dòng)噪音。5、當(dāng)電源供應(yīng)器輸出超過(guò)300瓦以上，被動(dòng)式PFC在材料成本及產(chǎn)品性能表現(xiàn)上將越不具競(jìng)爭(zhēng)力。PFC作為決定電源轉(zhuǎn)換效率的重要因素，其主要分為主動(dòng)PFC與被動(dòng)PFC。前者帶來(lái)的是更高的功率因數(shù)但成本也會(huì)有很大的增加，后者雖然價(jià)格低廉但功率因數(shù)也會(huì)有所下降。主動(dòng)PFC電路本身?yè)p耗的電能比起被動(dòng)PFC電路更高，從而直接降低了電源的轉(zhuǎn)換效率，因?yàn)橛懈嗟碾娔懿](méi)有被實(shí)際負(fù)載利用上。PFC電路所調(diào)節(jié)的功率因數(shù)，是給電廠節(jié)省了電能，而并沒(méi)有真正給用戶節(jié)省。北京電源pfc采購(gòu)PFC當(dāng)中的開(kāi)關(guān)穩(wěn)壓電源功能和普通的開(kāi)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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京被動(dòng)式電源pfc報(bào)價(jià),PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038737730808/982750.png"></div><p style="text-indent:25px">電源沒(méi)有pfc會(huì)有什么后果：PFC是用來(lái)提高功率因數(shù)的，在電網(wǎng)中存在有功功率和無(wú)功功率，功率因數(shù)提高后，無(wú)功功率就減少了。在我國(guó)，使用的是有功電度表，它是無(wú)法測(cè)量無(wú)功功率的，所以即使電源沒(méi)有PFC，也不會(huì)多扣電費(fèi)。但是在國(guó)外比如歐洲，它們的電度表也會(huì)計(jì)算無(wú)功功率的，沒(méi)有PFC就意味著要花更多的電費(fèi)。所以zui好買帶PFC的電源，主動(dòng)PFC電源的功率因數(shù)可以做的比較高，建議購(gòu)買主動(dòng)PFC的電源。關(guān)于電壓，這個(gè)跟PFC關(guān)系不是太大，但需要注意的是，某些國(guó)家比如美國(guó)日本，它們使用的是110V交流電，那你購(gòu)買電源就要購(gòu)買支持100-240V全電壓的產(chǎn)品，以免到國(guó)外不能使用。電源的輸入電壓可以從電源銘牌看到，正規(guī)的支持全電壓的電源的銘牌會(huì)標(biāo)注100-240V電壓字樣，很好辨識(shí)。但是PFC就不容易從外觀看了，除非你拆開(kāi)電源，簡(jiǎn)單的辦法就是到官方網(wǎng)站查詢產(chǎn)品資料。</p><p style="text-indent:25px">有源PFC電路的原理：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，而且電壓和電流的相位可以控制保持一致，它可以基本上完全解決了功率因數(shù)、電磁兼容、電磁干擾的問(wèn)題，但是電路非常的復(fù)雜，其基本思路是在220V整流橋堆后去掉濾波電容(以消除因電容的充電造成的電流波形畸變及相位的變化)，去掉濾波電容后由一個(gè)“斬波”電路把脈動(dòng)的直流變成高頻(約100K)交流再經(jīng)過(guò)整流濾波后，其直流電壓再向常規(guī)的PWM開(kāi)關(guān)穩(wěn)壓電源供電，其過(guò)程是; AC→DC→AC→DC。PFC還能減少電源對(duì)市電電網(wǎng)的干擾，尤其是避免它在突然啟動(dòng)時(shí)對(duì)其他電器的影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京被動(dòng)式電源pfc報(bào)價(jià),PFC電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637406038577291288/3249165.png"></div><p style="text-indent:25px">PFC電源與開(kāi)關(guān)電源的區(qū)別是什么：在PFC開(kāi)關(guān)電源當(dāng)中，開(kāi)關(guān)穩(wěn)壓電源是非常重要的一個(gè)組成部分。PFC當(dāng)中的開(kāi)關(guān)穩(wěn)壓電源功能和普通的開(kāi)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(kāi)關(guān)穩(wěn)壓電源需要220V整流供電，而PFC穩(wěn)壓開(kāi)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(dòng)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(kāi)關(guān)”工作脈動(dòng)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(dòng)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(guò)整流才能被后級(jí)PWM開(kāi)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(wèn)題，也解決電磁兼容（EMC）和電磁干擾（EMI）問(wèn)題。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。南京被動(dòng)式電源pfc報(bào)價(jià)</p><p style="text-indent:25px">相對(duì)于被動(dòng)PFC簡(jiǎn)單直觀的外形，主動(dòng)式PFC電路要復(fù)雜許多。南京被動(dòng)式電源pfc報(bào)價(jià)</p><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(jiǎn)單地說(shuō)，主動(dòng)式PFC就是一個(gè)有源的升壓電路。它通過(guò)高頻電感線圈、開(kāi)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(guò)升高輸入電壓來(lái)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(guó)家的電網(wǎng)系統(tǒng)之所以要采用高壓電線來(lái)傳輸電能，也是出于降低能耗的考慮。南京被動(dòng)式電源pfc報(bào)價(jià)</p><p style="text-indent:25px">深圳市保益新能電氣有限公司主要經(jīng)營(yíng)范圍是電工電氣，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)分為UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，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(lái)源地址: http://m.cdcfah.com/cp/2111753.html</p></div></div></div></div></div><div id="aumtvhe" class="page-right twoColRt"><div id="h87ydz2" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div 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