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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_dianyuan/">電源</a>?<a href="http://www.cdcfah.com/cp/third-dianyuan_wydy/">穩(wěn)壓電源</a>?湖北進(jìn)口直流電源價(jià)格服務(wù)為先深圳市茂迪機(jī)電設(shè)備供應(yīng)</p><div id="pvbrpdz" class="leftbox clearfix"><h1>湖北進(jìn)口直流電源價(jià)格服務(wù)為先深圳市茂迪機(jī)電設(shè)備供應(yīng)</h1><div id="nvbz5xb" class="proBig"><div id="rx5jxdj" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637393089681674399/8070519.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nbpn5lj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637393089681674399/8070519.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vjhplh5" 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>湖北進(jìn)口直流電源價(jià)格,直流電源</p><p><span>***更新：</span>2020-11-11 02:19:10</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="dh5x53p" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市茂迪機(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強(qiáng)</p><p><span>郵箱: </span>fuqiang.huang@maodi.net</p><p><span>電話: </span>13509625980</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.maodi.net</p><p><span>手機(jī): </span>0755-83280136</p><p><span>地址: </span>深南大道6006號華豐大廈2803、2804</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="tjhx3fn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hvtjpbx" class="box"><p><p> 中頻電源從早期的中頻發(fā)電機(jī)組發(fā)展成為可控硅式變頻電源,如今經(jīng)過不斷開發(fā)完善成為目前新一代變頻電源裝置。 </p> <p> 中頻電源主要包括整流變壓器、可控硅整流器、續(xù)流二極管、逆變器以及聯(lián)結(jié)整流器與逆變器的直流電抗器，湖北進(jìn)口直流電源價(jià)格,還有相應(yīng)的控制回路和保護(hù)回路. </p> <p> 變壓器與整流裝置 </p> <p> 中頻電源的可控硅整流裝置能夠產(chǎn)生大量的高次諧波電流,可以把它看成是一個(gè)諧波源，湖北進(jìn)口直流電源價(jià)格。為了減少其諧波危害,對其整流裝置的設(shè)計(jì)采取增加整流脈動數(shù)作為***諧波的主要措施。通常情況下，湖北進(jìn)口直流電源價(jià)格,對于1000kw以下的中頻電源裝置采用6脈動整流,其產(chǎn)生的諧波主要為6k士1(k為正整數(shù))次的特征諧波電流;而對于1000kw以上的中頻電源裝置根據(jù)容量的大小,可采用12脈動或24脈動整流。對于12脈整流電路,它是由兩組6脈動的三相橋并聯(lián)組成。兩組橋的交流側(cè)分別接到三繞組變壓器的兩個(gè)二次繞組上,一個(gè)繞組是星型接法,另一個(gè)是三角形接法,兩者線電壓相位差為30“。高精度脈沖電源直流電源。湖北進(jìn)口直流電源價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北進(jìn)口直流電源價(jià)格,直流電源" src="https://tyunfile.71360.com/UploadFile/szmdjd/637393089681674399/8070519.png"></div><p> 高美測儀可編程直流電源超前技術(shù)保證**高效率 </p> <p> 菜單提示操作和導(dǎo)航鍵大幅簡化了參數(shù)設(shè)H和手動編程。常用的設(shè)置菜單可通過功能鍵直接調(diào)出。設(shè)置模式和顯示能清楚地區(qū)分開來.輸出電流和電壓值可通過旋鈕進(jìn)行調(diào)整.旋轉(zhuǎn)編碼器的有效分辨率可通過導(dǎo)航鍵預(yù)選。此外還可通過數(shù)字小鍵盤快速輸入電壓和電連設(shè)定值。用戶可保存?zhèn)€性化的電源參數(shù)配罝。并在需要時(shí)檢索調(diào)出。在需要進(jìn)行多次重復(fù)測試的情況下，可節(jié)省大量參數(shù)設(shè)置時(shí)間.電源的時(shí)序控制功能支持自動運(yùn)行測試。不需要與PC連接.可非常方便地為被測設(shè)備提供長期測試所需要的可變負(fù)載。湖北進(jìn)口直流電源價(jià)格高頻開關(guān)直流電源價(jià)格。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北進(jìn)口直流電源價(jià)格,直流電源" src="https://tyunfile.71360.com/UploadFile/szmdjd/637393089442074877/9484628.png"></div><p> 3、會產(chǎn)生反向電流的負(fù)載應(yīng)用當(dāng)連接在可編程直流電源供應(yīng)器輸出端的電機(jī)突然剎車時(shí)，會產(chǎn)生很大的反向電流，由于可編程直流電源供應(yīng)器不能吸收從負(fù)載端產(chǎn)生的反向電流，因而輸出電壓會上升。解決方法是在可編程直流電源供應(yīng)器的輸出端與負(fù)載之間串聯(lián)一只二極管，并在負(fù)載端并接一瀉放電阻來吸收反向電流。當(dāng)反向電流為一尖峰突波時(shí)，請?jiān)谪?fù)載兩端并接一個(gè)大容量電解電容。 </p> <p> 4、電容性負(fù)載應(yīng)用因?yàn)殡娙菪载?fù)載往往會導(dǎo)致輸出電壓升高，尤其在輸出電壓由高向低調(diào)節(jié)時(shí)會導(dǎo)致輸出電壓下降緩慢，因此，使用時(shí)在可編程直流電源供應(yīng)器的輸出端并聯(lián)一只功率電阻，并在輸出與負(fù)載之間串聯(lián)一只二極管，可獲得較好的使用效果。 </p> <p> 5、脈沖類負(fù)載應(yīng)用脈沖類負(fù)載的電流峰值即使在可編程直流電源供應(yīng)器輸出額定電流值范圍內(nèi)，或者脈沖類電路或電動機(jī)驅(qū)動電路負(fù)載電流波形，在計(jì)量設(shè)備所指示的標(biāo)稱值(平均值)內(nèi)。電流也會達(dá)到可編程直流電源供應(yīng)器額定電流區(qū)域，從而使輸出電壓下降或者顯得不穩(wěn)定。解決方法是在電源供應(yīng)器與負(fù)載之間串接電感器，或者選擇輸出電流更大的可編程直流電源供應(yīng)器。 </p><p style="text-indent:25px">開關(guān)型與線性穩(wěn)壓電源不同的一類穩(wěn)電源就是開關(guān)型直流穩(wěn)壓電源，它的電路型式主要有單端反激式，單端正激式、半橋式、推挽式和全橋式。它和線性電源的根本區(qū)別在于它變壓器不工作在工頻而是工作在幾十千赫茲到幾兆赫茲。功能管不是工作在飽和及截止區(qū)即開關(guān)狀態(tài)；開關(guān)電源因此而得名。 [1] 可調(diào)直流穩(wěn)壓電源(開關(guān)型)開關(guān)電源的優(yōu)點(diǎn)是體積小，重量輕，穩(wěn)定可靠；缺點(diǎn)相對于線性電源來說紋波較大（一般≤1%VO(P-P),好的可做到十幾mV(P-P)或更小)。它的功率可自幾瓦－幾千瓦均有產(chǎn)品。價(jià)位為3元－十幾萬元/瓦，下面就一般習(xí)慣分類介紹幾種開關(guān)電源：（1）AC/DC該類電源也稱一次電源，它自電網(wǎng)取得能量，經(jīng)過高壓整流濾波得到一個(gè)直流高壓，供DC/DC變換器在輸出端獲得一個(gè)或幾個(gè)穩(wěn)定的直流電壓，功率從幾瓦－幾千瓦均有產(chǎn)品，用于不同場合。屬此類產(chǎn)品的規(guī)格型號繁多，據(jù)用戶需要而定通信電源中的一次電源（AC220輸入，DC48V或24V輸出)也屬此類。（2）DC/DC在通信系統(tǒng)中也稱二次電源，它是由一次電源或直流電池組提供一個(gè)直流輸入電壓，經(jīng)DC/DC變換以后在輸出端獲一個(gè)或幾個(gè)直流電壓。雙向直流電源可編程。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北進(jìn)口直流電源價(jià)格,直流電源" src="https://tyunfile.71360.com/UploadFile/szmdjd/637393089710961437/7545899.png"></div><p> 48Vdc直流電源浪涌防護(hù)解決方案 </p> <p> 基站直流電源浪涌防護(hù)解決方案，如圖所示。該方案中的***級雷擊電流瀉放采用單獨(dú)的堆疊式GDT替代傳統(tǒng)的 GDT 與 MOV 串聯(lián)，與第二級防護(hù) MOV 之間的耦合可以根據(jù)客戶的具體應(yīng)用采用電感或電阻來實(shí)現(xiàn)。此方案，可以在更小占板面積下，實(shí)現(xiàn)高達(dá) 20KA 的 8/20us 雷擊電流防護(hù)。隨著客戶對于直流電源防護(hù)能力、防護(hù)方案的尺寸、以及性價(jià)比要求的提高，傳統(tǒng)的 GDT 加 MOV 的保護(hù)解決方案暴露出其占板面積大、多元器件并聯(lián)、成本高以及高保護(hù)殘壓等不足。而基于浪拓電子新型堆疊 GDT 的方案則因其具有以下優(yōu)勢：1）緊湊的堆疊 GDT，長度 B<17mm，高度 H<9mm，實(shí)現(xiàn) 20KA 的 8/20us 防護(hù)能力2）直接應(yīng)用于直流電源，無續(xù)流問題，無需 MOV串聯(lián)3）高絕緣電阻，低電容4）與多個(gè) MOV 并聯(lián)解決方案相比，相同的保護(hù)能力，其高度降低 50%， PCB 占板面積節(jié)省超過 40%不存在不同并聯(lián)支路間不平衡電流的問題大功率直流電源廠家。云南德國直流電源可調(diào)</p><p style="text-indent:25px">進(jìn)口便攜式交直流電源。湖北進(jìn)口直流電源價(jià)格</p><p> 直流電源有正、負(fù)兩個(gè)電極，正極的電位高，負(fù)極的電位低，當(dāng)兩個(gè)電極與電路連通后，能夠使電路兩端之間維持恒定的電位差，從而在外電路中形成由正極到負(fù)極的電流。直流電源是一種能量轉(zhuǎn)換裝置，它把其他形式的能量轉(zhuǎn)換為電能供給電路，以維持電流的穩(wěn)恒流動。 </p> <p> 單靠水位高低之差不能維持穩(wěn)恒的水流，而借助于水泵持續(xù)地把水由低處送往高處就能維持一定的水位差而形成穩(wěn)恒的水流。與此類似，單靠電荷所產(chǎn)生的靜電場不能維持穩(wěn)恒的電流，而借助于直流電源，就可以利用非靜電作用（簡稱為“非靜電力”）使正電荷由電位較低的負(fù)極處經(jīng)電源內(nèi)部返回到電位較高的正極處，以維持兩個(gè)電極之間的電位差，從而形成穩(wěn)恒的電流。湖北進(jìn)口直流電源價(jià)格</p><p style="text-indent:25px">深圳市茂迪機(jī)電設(shè)備有限公司坐落在深南大道6006號華豐大廈2803、2804，是一家專業(yè)的一般經(jīng)營項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的購銷、技術(shù)維護(hù)、信息咨詢；國內(nèi)貿(mào)易；貨物與技術(shù)的進(jìn)出口業(yè)務(wù)。（法律、行政法規(guī)、國**決定禁止的項(xiàng)目除外，限制的項(xiàng)目須取得許可后方可經(jīng)營），許可經(jīng)營項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的安裝、維修。公司。公司目前擁有較多的高技術(shù)人才，以不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，加快企業(yè)技術(shù)創(chuàng)新，實(shí)現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營。深圳市茂迪機(jī)電設(shè)備有限公司主營業(yè)務(wù)涵蓋電能質(zhì)量分析儀，功率分析儀，亮度計(jì)，色差儀，堅(jiān)持“質(zhì)量保證、良好服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。公司力求給客戶提供全數(shù)良好服務(wù)，我們相信誠實(shí)正直、開拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個(gè)人帶來共同的利益和進(jìn)步。經(jīng)過幾年的發(fā)展，已成為電能質(zhì)量分析儀，功率分析儀，亮度計(jì)，色差儀行業(yè)出名企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1936453.html</p></div></div></div></div></div><div id="zv55jnj" class="page-right twoColRt"><div id="xf5rfdz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="brpnjnb" class="recomPic 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