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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3yqnub2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397338812711808/1470393.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j8uwyac" 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>天津DC-DC直流電源,DC-DC直流電源</p><p><span>***更新：</span>2020-12-31 03:11:27</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="ydaxug7" 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="dmoah3q" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rgipmj3" class="box"><p><p style="text-indent:25px">DC-DC直流電源組成：1.交流輸入單元充電裝置交流輸入應(yīng)設(shè)兩個(gè)回路，兩路交流電源應(yīng)分別取自站用電不同段交流母線。當(dāng)充電裝置兩路交流輸入采用切換方式時(shí)，切換裝置應(yīng)穩(wěn)定可靠;當(dāng)充電裝置兩路交流輸入不采用切換方式時(shí)，每路交流輸入應(yīng)盡量均分充電模塊的數(shù)量。2.充電模塊高頻開(kāi)關(guān)電源充電模塊的主要功能是將交流電源變換為***的DC-DC直流電源。模塊由全波整流及濾波器、高頻變換及高頻變壓器，天津DC-DC直流電源、高頻整流濾波器等構(gòu)成。模塊內(nèi)部應(yīng)具有監(jiān)控功能，顯示輸出電壓/電流值，能不依賴(lài)監(jiān)控單元**工作;應(yīng)具有保護(hù)，天津DC-DC直流電源，天津DC-DC直流電源、報(bào)警功能;并可帶電插拔更換及具有軟啟動(dòng)功能。DC-DC直流電源它的輸入是不穩(wěn)定的直流電壓，改變開(kāi)關(guān)電路的通斷比。天津DC-DC直流電源</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津DC-DC直流電源,DC-DC直流電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397338812711808/1470393.png"></div><p style="text-indent:25px">DC-DC直流電源系統(tǒng)采用兩段單母線接線，兩段直流母線之間設(shè)聯(lián)絡(luò)電器,正常運(yùn)行時(shí)，兩段直流母線應(yīng)分別**運(yùn)行；直流分電柜每段母線宜由來(lái)自同一蓄電池組的2回DC-DC直流電源供電,電源進(jìn)線應(yīng)經(jīng)隔離電器接至直流分電柜母線；對(duì)于要求雙電源供電的負(fù)荷應(yīng)設(shè)置兩段母線，兩段母線宜分別由不同蓄電池組供電，每段母線宜由來(lái)自同一蓄電池組的2回DC-DC直流電源供電，母線之間不宜設(shè)聯(lián)絡(luò)電器；1.蓄電池組總出口熔斷器配置熔斷告警接點(diǎn)，信號(hào)應(yīng)可靠上傳至調(diào)控部門(mén)。2.充電裝置滿足兩路交流輸入且互為備用。3.變電站直流系統(tǒng)的饋出網(wǎng)絡(luò)應(yīng)采用輻射狀供電方式;直流系統(tǒng)對(duì)負(fù)載供電，應(yīng)按電壓等級(jí)設(shè)置分電屏供電方式;防誤裝置電源應(yīng)與繼電保護(hù)及控制回路電源**;兩套保護(hù)裝置的DC-DC直流電源應(yīng)取自不同蓄電池組供電的直流母線段;裝置電源、控制電源、信號(hào)電源分別**。天津DC-DC直流電源DC-DC直流電源兩路交流電源應(yīng)分別取自站用電不同段交流母線。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津DC-DC直流電源,DC-DC直流電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397338658209856/1967038.png"></div><p style="text-indent:25px">使用DC-DC電源模塊要注意什么：1、因?yàn)镈C-DC電源模塊是選用開(kāi)關(guān)振蕩電路來(lái)完成的，其本身也會(huì)發(fā)生共模、差模噪聲的攪擾，關(guān)于對(duì)紋波噪聲需求較高的場(chǎng)合可在DC-DC電源模塊的輸出端外接無(wú)源LC濾波網(wǎng)絡(luò)或RC（損耗較大），以進(jìn)一步下降電源紋波噪聲，可是要注意L本身諧振頻率要遠(yuǎn)高于模塊的開(kāi)關(guān)頻率，答應(yīng)經(jīng)過(guò)的電流值z(mì)ui好在模塊輸入電流的兩倍以上，內(nèi)阻要小，以下降直流損耗。2、為確保模塊電源長(zhǎng)時(shí)間作業(yè)的可靠性應(yīng)使到模塊作業(yè)在10%額定功率以上，以避免模塊因?yàn)榭蛰d或輕載致使輸出電壓不穩(wěn)而影響電路作業(yè)，若是負(fù)載功耗的確較小，能夠采和外接假負(fù)載的方法在輸出端的+Vo與0V及-Vo與0V之間并上一10%額定功率的假負(fù)載（電阻），以進(jìn)步商品的可靠性。</p><p style="text-indent:25px">DC-DC直流電源從工作方式上可分為以下3大類(lèi)：①可控整流型開(kāi)關(guān)穩(wěn)壓電源：用晶閘管作調(diào)整開(kāi)關(guān)，由交流市電電網(wǎng)直接或經(jīng)變壓器降壓后供電。用改變晶閘管的導(dǎo)通時(shí)間來(lái)調(diào)整輸出電壓，從而達(dá)到穩(wěn)定輸出電壓的目的。②斬波型開(kāi)關(guān)穩(wěn)壓電源：它的輸入是不穩(wěn)定的直流電壓，改變開(kāi)關(guān)電路的通斷比，在輸出端得到單向的脈動(dòng)直流，經(jīng)濾波后得到與輸入電壓不同的穩(wěn)定直流電壓。③變換器型開(kāi)關(guān)穩(wěn)壓電源：將不穩(wěn)定直流電壓送入逆變器變換成高頻交流電，再經(jīng)變壓、整流、濾波后得到新的直流輸出電壓，從輸出電壓取樣，反饋控制逆變器工作頻率，達(dá)到穩(wěn)定輸出電壓的目的。DC-DC直流電源由于內(nèi)阻增大，一般只能用于所需電流強(qiáng)度較小的電路。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津DC-DC直流電源,DC-DC直流電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/baoyixinneng/637397338502760680/4579143.png"></div><p style="text-indent:25px">DC-DC直流電源的類(lèi)型很多，不同類(lèi)型的DC-DC直流電源中，非靜電力的性質(zhì)不同，能量轉(zhuǎn)換的過(guò)程也不同。在化學(xué)電池（例如干電池、蓄電池等）中，非靜電力是與離子的溶解和沉積過(guò)程相聯(lián)系的化學(xué)作用，化學(xué)電池放電時(shí)，化學(xué)能轉(zhuǎn)化為電能和焦耳熱在溫差電源（例如金屬溫差電偶、半導(dǎo)體溫差電偶）中，非靜電力是與溫度差和電子的濃度差相聯(lián)系的擴(kuò)散作用，溫差電源向外電路提供功率時(shí)，熱能部分地轉(zhuǎn)化為電能。在直流發(fā)電機(jī)中，非靜電力是電磁感應(yīng)作用，直流發(fā)電機(jī)供電時(shí)，機(jī)械能轉(zhuǎn)化為電能與焦耳熱。在光電池中，非靜電力是光生伏打效應(yīng)的作用，光電池供電時(shí)，光能轉(zhuǎn)化為電能和焦耳熱。DC-DC直流電源單相整流電路，要求達(dá)到“簡(jiǎn)單應(yīng)用”層次。天津DC-DC直流電源</p><p style="text-indent:25px">DC-DC直流電源分電柜直流饋線斷路器宜選用直流微型斷路器。天津DC-DC直流電源</p><p style="text-indent:25px">DC-DC直流電源的防雷設(shè)計(jì)：氣體放電管的原***體放電管的工作原理可以簡(jiǎn)單地總結(jié)為氣體放電。當(dāng)兩級(jí)間產(chǎn)生足夠大的電量,則會(huì)造成極間間隙被放電擊穿,這時(shí)其便由絕緣狀態(tài)轉(zhuǎn)變成為導(dǎo)電狀態(tài),這種現(xiàn)象與短路較為相似。當(dāng)處于導(dǎo)電狀態(tài)下時(shí),兩極間的電壓會(huì)較低,一般是在20～50V之間,因此,其能夠?qū)蠹?jí)電路起到很好的保護(hù)作用。氣體放電管采用陶瓷密閉封裝，內(nèi)部由兩個(gè)或數(shù)個(gè)帶間隙的金屬電極，充以惰性氣體(氬氣或氖氣)構(gòu)成，基本外形如圖1所示。當(dāng)加到兩電極端的電壓達(dá)到使氣體放電管內(nèi)的氣體擊穿時(shí)，氣體放電管便開(kāi)始放電，并由高阻變成低阻，使電極兩端的電壓不超過(guò)擊穿電壓。天津DC-DC直流電源</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(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(wú)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(yáng)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(xiāo)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(shí)、誠(chéng)實(shí)可信的企業(yè)。公司自創(chuàng)立以來(lái)，投身于UPS/EPS電源，雙向逆變器，安防電源，激光儲(chǔ)能電源，是電工電氣的主力軍。保益新能不斷開(kāi)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)注電工電氣行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2636455.html</p></div></div></div></div></div><div id="xvxuwda" class="page-right twoColRt"><div id="cr7df7k" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="scegi7f" class="recomPic likePro"><a 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