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clearfix"><h1>合肥微功率DC-DC直流電源價(jià)格誠(chéng)信服務(wù) 深圳市保益新能電氣供應(yīng)</h1><div id="ku7uwyp" class="proBig"><div id="hhegipr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397338627750864/9217509.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7jypmta" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397338627750864/9217509.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xhzrja7" 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>合肥微功率DC-DC直流電源價(jià)格,DC-DC直流電源</p><p><span>***更新：</span>2021-01-16 02:09:05</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="23qfbi4" 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="mln8hl9" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="89ofxpj" class="box"><p><p> DC-DC直流電源的選擇要求： </p> <p> 1）蓄電池出口應(yīng)選擇直流斷路器（應(yīng)帶有輔助觸點(diǎn)和報(bào)警觸點(diǎn)），并且選擇帶有短延時(shí)間60ms的三段可選擇保護(hù)直流斷路器（L：過載長(zhǎng)延時(shí)脫扣器、I：短路瞬時(shí)脫扣器，合肥微功率DC-DC直流電源價(jià)格、S：短路短延時(shí)脫扣器）以確保級(jí)差配合的可靠性。其額定電流應(yīng)按照蓄電池1h放電率電流選擇，同時(shí)滿足1min放電電流下不動(dòng)作，且應(yīng)與直流饋線回路保護(hù)電器相配合。 </p> <p> 2）充電裝置出口應(yīng)選擇直流斷路器（應(yīng)帶有輔助觸點(diǎn)和報(bào)警觸點(diǎn)），合肥微功率DC-DC直流電源價(jià)格，合肥微功率DC-DC直流電源價(jià)格，并且選擇帶有短延時(shí)時(shí)間60ms的三段可選擇保護(hù)直流斷路器（L：過載長(zhǎng)延時(shí)脫扣器、I：短路瞬時(shí)脫扣器、S：短路短延時(shí)脫扣器）以確保級(jí)差配合的可靠性。其額定電流按照充電裝置額定輸出電流乘可靠系數(shù)（可靠系數(shù)≥）。充電裝置直流側(cè)出口宜采用無(wú)極性直流斷路器。 </p> <p> 3）直流饋電屏各支路應(yīng)選擇直流斷路器（應(yīng)帶有輔助觸點(diǎn)和報(bào)警觸點(diǎn)），并且選擇帶有短延時(shí)時(shí)間30ms的三段可選擇保護(hù)直流斷路器（L：過載長(zhǎng)延時(shí)脫扣器、I：短路瞬時(shí)脫扣器、S：短路短延時(shí)脫扣器）以確保級(jí)差配合的可靠性。 DC-DC直流電源各級(jí)斷路器的保護(hù)動(dòng)作電流和動(dòng)作時(shí)間應(yīng)滿足上、下級(jí)選擇性配合要求。合肥微功率DC-DC直流電源價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥微功率DC-DC直流電源價(jià)格,DC-DC直流電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397338627750864/9217509.png"></div><p style="text-indent:25px">DC-DC穩(wěn)壓電源應(yīng)用電路設(shè)計(jì)攻略：在電子產(chǎn)品設(shè)計(jì)過程中，電源通常是必不可少的部分，很多設(shè)備（尤其是使用電池的設(shè)備）的電源都是以DC-DC為主的。這些電源一般有三種拓?fù)浣Y(jié)構(gòu)，即人們熟知的buck、 boost和buck-boost（也叫inverting），分別用于降壓、升壓和反向。但是，也有一些時(shí)候，我們需要的輸出電壓和輸入電壓相近或就在輸入電壓范圍內(nèi)，這時(shí)候，單獨(dú)使用上述這三種結(jié)構(gòu)都無(wú)法滿足要求。對(duì)此，有的人使用先降后升或先升后降的方法，但這會(huì)較好降低效率；還有一些公司開發(fā)出了自動(dòng)切換升壓降壓模式的芯片，但這樣成本很高。有沒有一種既高效又便宜的方法達(dá)到我們的目的呢當(dāng)然有，這就是SEPIC拓?fù)浣Y(jié)構(gòu)。南京**率DC-DC直流電源哪家好DC-DC直流電源直流柜至分電柜的饋線斷路器應(yīng)選用具有短時(shí)延時(shí)特性的直流斷路器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥微功率DC-DC直流電源價(jià)格,DC-DC直流電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397338502760680/4579143.png"></div><p style="text-indent:25px">使用DC-DC電源模塊要注意什么：1、DC-DC電源模塊的外接電容C2、C3選用低內(nèi)阻的鉭電容，容值引薦0.47uF，應(yīng)避免容值過大，以避免因?yàn)殡娙葸^大形成發(fā)動(dòng)剎那間過流而損壞模塊。2、大部分的電源模塊沒有均流功能，不能直接并聯(lián)使用達(dá)到增大輸出功率的效果。3、很多客戶使用電源模塊，目的就是為了實(shí)現(xiàn)電源的隔離作用。根據(jù)不同的隔離要求選擇不同的電源，通常有1000VDC、3000VDC，4000VAC等等。同時(shí)設(shè)計(jì)布板的時(shí)候，輸入輸出間要留有zui夠的爬電距離，以免造成減弱隔離效果。4、一般電源模塊都具有寬電壓輸入范圍，但是當(dāng)輸入電壓超過電源模塊設(shè)定的zui大輸入電壓時(shí)，可能會(huì)造成電源的永遠(yuǎn)性損壞。如果前端輸入電源不穩(wěn)定或者波動(dòng)范圍超過zui大輸入電壓，可以在輸入端增加相應(yīng)的TVS管或者過壓保護(hù)電路。</p><p style="text-indent:25px">DC/DC模塊電源以其體積小巧、性能卓異、使用方便的顯著特點(diǎn)，在通信、網(wǎng)絡(luò)、工控、鐵路、 ***等領(lǐng)域日益得到普遍的應(yīng)用。怎樣正確合理地選用DC/DC模塊電源呢，筆者將從DC/DC模塊電源開發(fā)設(shè)計(jì)的角度，談一談這方面的問題，以供廣大系統(tǒng)設(shè)計(jì)人員參考。DCDC的意思是直流變(到)直流(不同DC-DC直流電源值的轉(zhuǎn)換)，只要符合這個(gè)定義都可以叫DCDC轉(zhuǎn)換器。具體是指通過自激振蕩電路把輸入的直流電轉(zhuǎn)變?yōu)榻涣麟?，再通過變壓器改變電壓之后再轉(zhuǎn)換為直流電輸出，或者通過倍壓整流電路將交流電轉(zhuǎn)換為高壓直流電輸出。DC-DC直流電源性能必須滿足開斷直流回路短路電流和動(dòng)作選擇性的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="合肥微功率DC-DC直流電源價(jià)格,DC-DC直流電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397339005416942/3757188.png"></div><p style="text-indent:25px">DC-DC直流電源對(duì)儀器的要求：示波器參數(shù)要求：支持帶寬限制功能：一般示波器都支持20MHz帶寬限制，如：SDS1102CM。探頭要求：為了使接地線盡量短，盡量使用探頭的原裝測(cè)試短針，若無(wú)原裝測(cè)試短針，則須自制短接地線：去除探頭接地線套，用金屬絲自行繞制接地短線，推薦五類線中銅絲，強(qiáng)度適中(還是有些偏軟，有更好的請(qǐng)推薦)。其他候選有焊錫絲、刻刀。選擇1X無(wú)衰減檔位，一般無(wú)源探頭在1X檔位時(shí)，其帶寬限制在 6MHz/10MHz帶寬，如此在前端可有效濾除高頻噪聲的干擾，減小紋波測(cè)量影響。改變高頻變壓器的匝數(shù)比和VDz2的穩(wěn)壓值，還可獲得其他輸出電壓值。R2和VDz2五還為12V輸出提供一個(gè)假負(fù)載，用以提高輕載時(shí)的負(fù)載調(diào)整率。反饋繞組電壓經(jīng)VD3和C4整流濾波后，供給TOP224P所需偏壓。DC-DC直流電源上下級(jí)斷路器應(yīng)滿足選擇性配合要求。南京**率DC-DC直流電源哪家好</p><p style="text-indent:25px">DC-DC直流電源過大，以避免因?yàn)殡娙葸^大形成發(fā)動(dòng)剎那間過流而損壞模塊。合肥微功率DC-DC直流電源價(jià)格</p><p style="text-indent:25px">DC-DC直流電源：DC-DC電源模塊普遍用于電力電子、**、科研、工控設(shè)備、通訊設(shè)備、儀器儀表、交換設(shè)備、接入設(shè)備、移動(dòng)通訊、路由器等通信領(lǐng)域和工業(yè)控制、汽車電子、航空航天等領(lǐng)域。由于采用模塊組建電源系統(tǒng)具有設(shè)計(jì)周期短、可靠性高、系統(tǒng)升級(jí)容易等特點(diǎn)，電源模塊的應(yīng)用越來越普遍。尤其近幾年由于數(shù)據(jù)業(yè)務(wù)的飛速發(fā)展和分布式供電系統(tǒng)的不斷推廣，電源模塊的增幅已經(jīng)超出了一次電源。隨著半導(dǎo)體工藝、封裝技術(shù)和高頻軟開關(guān)的大量使用，電源模塊功率密度越來越大，轉(zhuǎn)換效率越來越高，應(yīng)用也越來越簡(jiǎn)單。合肥微功率DC-DC直流電源價(jià)格</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2863983.html</p></div></div></div></div></div><div id="bfmbsuj" class="page-right twoColRt"><div id="difroap" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ujgykh2" 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" 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