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href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_pdsdsbcr/">配電輸電設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-pdsdsbcr_bczzmt/">補(bǔ)償裝置</a>?遼寧并網(wǎng)柜哪家專業(yè) 歡迎咨詢浙江中慶電氣供應(yīng)</p><div id="37ll3p3" class="leftbox clearfix"><h1>遼寧并網(wǎng)柜哪家專業(yè) 歡迎咨詢浙江中慶電氣供應(yīng)</h1><div id="r3tltzn" class="proBig"><div id="jx35fnj" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382081856678124/8900713.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rr5dnlb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382081856678124/8900713.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="55xv5l3" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>遼寧并網(wǎng)柜哪家專業(yè),并網(wǎng)柜</p><p><span>***更新：</span>2021-01-30 02:14:15</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="lzpfnjh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江中慶電氣有限公司</a></p><p><span>聯(lián)系人：</span>馬中慶</p><p><span>郵箱: </span>515419422@qq.com</p><p><span>電話: </span>13868768997</p><p><span>傳真: </span>0577_</p><p><span>網(wǎng)址: </span>http://www.zjzqdq.cn</p><p><span>手機(jī): </span>0577-61718997</p><p><span>地址: </span>柳市鎮(zhèn)東皇嶼村</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="nlrpfvb" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="p5rxvpj" class="box"><p><p style="text-indent:25px">并網(wǎng)柜直流側(cè)檢測(cè) 檢查每個(gè)光伏組件開路電壓是否正常（施工中進(jìn)行）；檢查集線箱各組串輸入輸出電壓是否正常；檢查逆變器輸入直流電壓是否正常；測(cè)量直流正負(fù)兩側(cè)對(duì)地電壓是否異常。并網(wǎng)調(diào)試操作（一次回路），合上組串線路上熔斷器開關(guān)（如果有）；合上集線箱內(nèi)出線開關(guān)；檢查逆變器輸入電壓，合上逆變器輸入開關(guān)，接通直流回路，觀察逆變器的指示燈狀態(tài)，如指示為“待機(jī)”或“電網(wǎng)失電”且無其它異常指示，則可進(jìn)入下一步；合上交流并網(wǎng)側(cè)隔離開關(guān)；如有并網(wǎng)二次控制回路，則將其打到“手動(dòng)”控制狀態(tài)；檢查并網(wǎng)反饋端電能基本參數(shù)，合上并網(wǎng)柜內(nèi)輸出開關(guān)，按下啟動(dòng)控制按鈕，接通交流回路；觀察逆變器并網(wǎng)工作狀態(tài)，如逆變器正常工作，遼寧并網(wǎng)柜哪家專業(yè)，遼寧并網(wǎng)柜哪家專業(yè)，則并網(wǎng)成功，可進(jìn)入試運(yùn)行觀察期；如不能正常工作，遼寧并網(wǎng)柜哪家專業(yè)，則重新檢查線路和逆變器。并網(wǎng)斷路器具備電源端和負(fù)荷端反接能力。遼寧并網(wǎng)柜哪家專業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧并網(wǎng)柜哪家專業(yè),并網(wǎng)柜" src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382081856678124/8900713.png"></div><p style="text-indent:25px">集中式光伏并網(wǎng)發(fā)電系統(tǒng)是指利用荒漠地區(qū)和相對(duì)穩(wěn)定的太陽能資源建設(shè)的大型光伏電站，由許多光伏組件與逆變器組合后輸出380V三相交流電，再通過電力變壓器升壓后接入高壓輸電網(wǎng)。集中式光伏并網(wǎng)發(fā)電系統(tǒng)規(guī)模大、輸出相對(duì)穩(wěn)定、發(fā)電效率較高，在白天用電高峰期正好是光伏發(fā)電能力強(qiáng)的時(shí)候，可為電網(wǎng)調(diào)峰，集中控制可較方便地進(jìn)行無功控制、電壓控制和電網(wǎng)頻率調(diào)節(jié)。實(shí)現(xiàn)并網(wǎng)首先要保證并網(wǎng)兩側(cè)的相序相同，保證電壓，相位、波形等要盡量一致，主要有：并網(wǎng)逆變器輸出電壓和市電電壓值相等，壓差應(yīng)在 10% 以內(nèi)；并網(wǎng)逆變器輸出頻率與市電頻率相同，頻差不超過 0.3Hz ；并網(wǎng)逆變器輸出電壓和市電電壓波形相同，各相位差盡量一致。并聯(lián)合閘瞬間，并網(wǎng)逆變器輸出與電網(wǎng)對(duì)應(yīng)相的電位相同、相位相同，即并網(wǎng)逆變器輸出與電網(wǎng)的回路電勢(shì)為零。遼寧并網(wǎng)柜哪家專業(yè)并網(wǎng)柜根據(jù)客戶需求配用國內(nèi)外**品牌廠家元件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧并網(wǎng)柜哪家專業(yè),并網(wǎng)柜" src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382081698182030/2422170.png"></div><p style="text-indent:25px">多臺(tái)變頻器在同一并網(wǎng)柜中:同一并網(wǎng)柜內(nèi)多臺(tái)變頻器相互干擾的結(jié)果往往是各臺(tái)變頻器都不能正常工作。大多屬于感應(yīng)干擾。解決的方法有：（1）從并網(wǎng)柜內(nèi)的控制線布線入手：使各變頻器控制線遠(yuǎn)離其他變頻器的主電路，防止與其他變頻器的主電路平行布線；（2）從并網(wǎng)柜的主電路入手：并網(wǎng)柜內(nèi)使用金屬配電板，所有變頻器的主電路都從板后走線。抽油機(jī)運(yùn)動(dòng)特點(diǎn)是帶負(fù)荷啟動(dòng)，啟動(dòng)力矩大，為了滿足較大轉(zhuǎn)扭的需求, 同時(shí)為保證在結(jié)蠟、出砂和抽油機(jī)不平衡時(shí)有一定裕度，抽油機(jī)必須配備較大功率的電機(jī)、減速箱和變壓器。但是正常生產(chǎn)時(shí)抽油機(jī)驢頭承受的是周期性脈動(dòng)負(fù)荷，較大負(fù)荷與較小負(fù)荷差值大，在一個(gè)沖程中相當(dāng)長的時(shí)間輕載運(yùn)行，大部分井運(yùn)行功率*是電機(jī)裝機(jī)功率20～30％，即所謂的“大馬拉小車”，使電機(jī)效率低。而使用了并網(wǎng)柜就有效解決了這些問題。</p><p style="text-indent:25px">并網(wǎng)柜也能起到節(jié)約用電的作用，這一點(diǎn)對(duì)大功率電動(dòng)機(jī)來說很重要，一年下來省的電費(fèi)可是相當(dāng)?shù)目捎^。因?yàn)榇蠊β实碾妱?dòng)機(jī)并不是一直都是啟用大功率來工作，當(dāng)電動(dòng)機(jī)小功率工作時(shí)的情況下，如果沒有并網(wǎng)柜來調(diào)節(jié)電機(jī)轉(zhuǎn)速，讓電動(dòng)機(jī)低速運(yùn)行而讓電動(dòng)機(jī)大功率工作，一來大功小用浪費(fèi)了動(dòng)能，還浪費(fèi)了電。有了并網(wǎng)柜就可以根據(jù)實(shí)踐使用負(fù)載的大小來調(diào)節(jié)電動(dòng)機(jī)的轉(zhuǎn)速，達(dá)到省功省電的效果。并網(wǎng)柜的設(shè)計(jì)問題：(１) 散熱問題：并網(wǎng)柜內(nèi)的變頻器的發(fā)熱是由內(nèi)部的損耗產(chǎn)生的。必須對(duì)變頻器進(jìn)行散熱，而我們通常采用風(fēng)扇來對(duì)變頻器進(jìn)行散熱．(２)并網(wǎng)柜的使用環(huán)境：防水防結(jié)露，防塵，防腐蝕性氣體等方面的考慮設(shè)計(jì)．(３)電磁干擾問題：當(dāng)系統(tǒng)中有高頻沖擊負(fù)載如電焊機(jī)、電鍍電源時(shí)，變頻器本身會(huì)因?yàn)楦蓴_而出現(xiàn)保護(hù)，導(dǎo)致并網(wǎng)柜停止運(yùn)作．光伏并網(wǎng)柜計(jì)量室一個(gè)計(jì)量是光伏表，用來計(jì)量系統(tǒng)的總發(fā)電量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧并網(wǎng)柜哪家專業(yè),并網(wǎng)柜" src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382081881639061/3126110.png"></div><p style="text-indent:25px">光伏并網(wǎng)發(fā)電系統(tǒng)是由哪幾部分構(gòu)成的?光伏發(fā)電系統(tǒng)有光伏組件、光伏并網(wǎng)逆變器、配電箱、雙向計(jì)量電能表等構(gòu)成。如何選擇分布式光伏并網(wǎng)系統(tǒng)的并網(wǎng)電壓?分布式光伏系統(tǒng)并網(wǎng)電壓主要由系統(tǒng)裝機(jī)容量所決定，具體并網(wǎng)電壓需根據(jù)電網(wǎng)公司的接入系統(tǒng)批復(fù)決定，一般戶用選用AC220V接入電網(wǎng)，商用可選擇AC380V或10kV接入電網(wǎng)。光伏陣列安裝傾角由什么決定?一般由安裝地點(diǎn)的緯度決定。光伏陣列的安裝朝向如何確定?對(duì)發(fā)電效果有何影響?由于影響光伏發(fā)電的主要原因?yàn)槿照樟浚越M件安裝時(shí)應(yīng)向陽光較充足的方向安裝，默認(rèn)朝南，不同安裝角度對(duì)光伏組件的發(fā)電量亦有影響。光伏并網(wǎng)柜計(jì)量室兩個(gè)表相減就可以得出用戶實(shí)際的用電量或者是上網(wǎng)電量。遼寧并網(wǎng)柜哪家專業(yè)</p><p style="text-indent:25px">嚴(yán)禁將并網(wǎng)柜安裝于行人、兒童能接觸到的地方。遼寧并網(wǎng)柜哪家專業(yè)</p><p style="text-indent:25px">光伏配電箱并網(wǎng)柜主要分兩類：單相配電箱和三相配電箱。使用哪一種，主要是由使用逆變器決定。一般8kw以下電站使用單相逆變器，配單相配電箱。8kw以上一般三相逆變器，配三相光伏并網(wǎng)箱。以瓦數(shù)來分，50kw以上配電箱屬于大型并網(wǎng)柜，相對(duì)比較復(fù)雜，要求相對(duì)比較高一些，主要比拼技術(shù)。50kw以下配電箱，相對(duì)來說比較簡單，主要比拼可靠性和價(jià)格。家用光伏并網(wǎng)柜如何挑選？教你挑選技巧，隨著老百姓節(jié)能投資意識(shí)越來越強(qiáng)，家用太陽能光伏電站安裝業(yè)主越來越多，面對(duì)萬億的市場(chǎng)空間，光伏安裝商們?nèi)绾芜x擇方便快捷的家庭光伏并網(wǎng)柜配電箱，如何快速安全解決家用光伏電站并網(wǎng)難的問題，將成為實(shí)際工程項(xiàng)目中越到的較大問題。目前國內(nèi)市場(chǎng)上以及網(wǎng)絡(luò)上充斥著太多的分布式光伏配電箱并網(wǎng)柜品牌和種類，讓光伏系統(tǒng)安裝商的朋友看的是眼花繚亂。遼寧并網(wǎng)柜哪家專業(yè)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3071524.html</p></div></div></div></div></div><div id="5bjhndj" class="page-right twoColRt"><div id="jxn3tzn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vb3rfdb" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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