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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_pdsdsbow/">配電輸電設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-pdsdsbow_dygbn/">電源柜</a>?湖州電容柜鑄造輝煌浙江中慶電氣供應(yīng)</p><div id="kzwgdfm" class="leftbox clearfix"><h1>湖州電容柜鑄造輝煌浙江中慶電氣供應(yīng)</h1><div id="vph4kgx" class="proBig"><div id="rgti8da" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382086130808983/4906576.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dsuev7z" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382086130808983/4906576.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="etl7qxj" 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>湖州電容柜,電容柜</p><p><span>***更新：</span>2021-01-24 01:15:47</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="jtq97ry" 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="nwyx2wd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fuwg3h3" class="box"><p><p style="text-indent:25px">一般來說，低壓電容補(bǔ)償柜由柜體、母排、熔斷器、隔離開關(guān)熔斷器組、電容接觸器、避雷器、電容器、電抗器、一、二次導(dǎo)線、端子排、功率因數(shù)自動補(bǔ)償控制裝置、盤面儀表等組成。在實(shí)際電力系統(tǒng)中，大部分負(fù)載為異步電動機(jī)。其等效電路可看作電阻和電感的串聯(lián)電路，其電壓與電流的相位差較大，功率因數(shù)較低。并聯(lián)電容器后，湖州電容柜，電容器的電流將抵消一部分電感電流，從而使電感電流減小，總電流隨之減小，電壓與電流的相位差變小，湖州電容柜，使功率因數(shù)提高，湖州電容柜。ES-2010型低壓無功動態(tài)補(bǔ)償裝置采用大功率晶閘管投切開關(guān)，控制器可根據(jù)系統(tǒng)電壓，無功功率、兩相準(zhǔn)則控制晶閘管開關(guān)對多級電容組進(jìn)行快速投切。熔斷器是串聯(lián)在電路中，起到過流和短路保護(hù)的作用。湖州電容柜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州電容柜,電容柜" src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382086130808983/4906576.png"></div><p style="text-indent:25px">智能電容器是電力系統(tǒng)無功補(bǔ)償技術(shù)發(fā)展歷史上的重要里程碑。智能電容器之所以稱為智能型產(chǎn)品是因?yàn)樗梢詿o需補(bǔ)償控制器的支持。自我生成-個(gè)**的無功補(bǔ)償系統(tǒng)。它具有過零投切、自動保護(hù)功能，是低壓電力無功自動補(bǔ)償技術(shù)的重大突破?？伸`活應(yīng)用于低壓無功補(bǔ)償?shù)母鞣N場合，具有結(jié)構(gòu)簡單、組網(wǎng)成本低、性能優(yōu)越、維護(hù)方便等優(yōu)點(diǎn)。智能電容器中的投切開關(guān)具有特殊的電磁式過零投切技術(shù)其過零投切的偏移度小于2.5.投切涌流小于2.5倍額定電流。智能控制單元通過檢測投切開關(guān)動靜觸點(diǎn)斷開時(shí)兩端的電壓控制其在電壓過零點(diǎn)時(shí)閉合:通過檢測投切開關(guān)動靜觸點(diǎn)閉合時(shí)的電流控制其在電流過零點(diǎn)時(shí)斷開，實(shí)現(xiàn)“過零投切”功能,使投運(yùn)低壓電力電容器時(shí)產(chǎn)生的涌流很小，退運(yùn)低壓電力電容器時(shí)不發(fā)生燃弧現(xiàn)象。從而延長了低壓電力電容器和投切開關(guān)電器本身的壽命。也減小了開關(guān)電器投切時(shí)對電網(wǎng)的沖擊:改善了電網(wǎng)的電能質(zhì)量。湖州電容柜低壓電容補(bǔ)償柜也叫低壓無功補(bǔ)償裝置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州電容柜,電容柜" src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382086149353905/9098471.png"></div><p style="text-indent:25px">　智能電容器中的投切開關(guān)具有特殊的電磁式過零投切技術(shù)其過零投切的偏移度小于2.5.投切涌流小于2.5倍額定電流。智能控制單元通過檢測投切開關(guān)動靜觸點(diǎn)斷開時(shí)兩端的電壓控制其在電壓過零點(diǎn)時(shí)閉合:通過檢測投切開關(guān)動靜觸點(diǎn)閉合時(shí)的電流控制其在電流過零點(diǎn)時(shí)斷開，實(shí)現(xiàn)“過零投切”功能,使投運(yùn)低壓電力電容器時(shí)產(chǎn)生的涌流很小，退運(yùn)低壓電力電容器時(shí)不發(fā)生燃弧現(xiàn)象。從而延長了低壓電力電容器和投切開關(guān)電器本身的壽命。也減小了開關(guān)電器投切時(shí)對電網(wǎng)的沖擊:改善了電網(wǎng)的電能質(zhì)量。智能電容器在多臺聯(lián)機(jī)使用自我組成一一個(gè)無功補(bǔ)償系統(tǒng)時(shí)，可以自動生成一臺主機(jī)其余則為從機(jī),構(gòu)成低壓無功補(bǔ)償系統(tǒng)自動控制工作;個(gè)別從機(jī)出故障可自動退出，不影響其余智能電容器正常工作;主機(jī)出故障自動退出后,在其余從機(jī)中自動生成一臺新的主機(jī)組成-個(gè)新的系統(tǒng)正常工作;容量相同的電容器按循環(huán)投切原則，容量不同的電容器則按容量適補(bǔ)原則投切,保障投切無振蕩。</p><p style="text-indent:25px">RC有源濾波器：該類型的濾波器克服了RC無源濾波器中電阻元件消耗信號功率的缺陷，在電路中引入具有能量放大作用的有源器件如：電子管、晶體管、運(yùn)算放大器等有源器件，能夠彌補(bǔ)損失的能量，使RC濾波器既具有了像LC濾波器一樣的良好頻率選擇特性，又具有體積小、便于集成的優(yōu)點(diǎn)。優(yōu)點(diǎn)：品質(zhì)因數(shù)可達(dá)千萬至數(shù)萬、穩(wěn)定性很高，可實(shí)現(xiàn)其他類型濾波器無法實(shí)現(xiàn)的特性。通帶截頻fp=wp/(2p)為通帶與過渡帶邊界點(diǎn)的頻率，在該點(diǎn)信號增益下降到一個(gè)人為規(guī)定的下限。阻帶截頻fr=wr/(2p)為阻帶與過渡帶邊界點(diǎn)的頻率，在該點(diǎn)信號衰耗(增益的倒數(shù))下降到一人為規(guī)定的下限。轉(zhuǎn)折頻率fc=wc/(2p)為信號功率衰減到1/2(約3dB)時(shí)的頻率，在很多情況下，常以fc作為通帶或阻帶截頻。固有頻率f0=w0/(2p)為電路沒有損耗時(shí)，濾波器的諧振頻率，復(fù)雜電路往往有多個(gè)固有頻率。電容補(bǔ)償柜的作用是提高負(fù)載功率因數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖州電容柜,電容柜" src="https://tyunfile.71360.com/UploadFile/zhongqingdq/637382086052928124/7335359.png"></div><p style="text-indent:25px">鋁電解電容器為兩極性結(jié)構(gòu)，安裝時(shí)需注意極性，不得裝反。交流電或反向電壓的應(yīng)用可能會導(dǎo)致短路或損壞電容器：交流電路中的極性可能會出現(xiàn)反向或無法確定，因此雙極性電容器不適用于交流應(yīng)用。加載至電容器終端的直流電壓不得超過其額定工作電壓，否則將導(dǎo)致漏電流迅速增加，并因此損壞電容器，甚至導(dǎo)致短路及明火。為延遲產(chǎn)品使用壽命，建議以70-80%的額定電壓使用電容器。加載至電容器的紋波電流必須在允許范圍內(nèi)，如超載，將致使電容器過熱及電氣性能受損，機(jī)器損壞甚至導(dǎo)致明火。請注意，紋波電壓和直流工作電壓峰值的總和不得超過額定直流電壓。電容器必須在其工作溫度容許范圍內(nèi)使用。室溫工作條件可延長使用壽命。高壓電容補(bǔ)償外殼膨脹是過電壓引起介質(zhì)分解析出氣體。湖州電容柜</p><p style="text-indent:25px">智能電容器之所以稱為智能型產(chǎn)品是因?yàn)樗梢詿o需補(bǔ)償控制器的支持。湖州電容柜</p><p style="text-indent:25px">電力變壓器是一種靜止的電氣設(shè)備，是用來將某一數(shù)值的交流電壓(電流)變成頻率相同的另一種或幾種數(shù)值不同的電壓(電流)的設(shè)備，變壓器是用來變換交流電壓、電流而傳輸交流電能的一種靜止的電器設(shè)備。低損耗電力變壓器的鐵芯采用較好冷軋取向硅鋼片卷制而成，無接縫，疊片系數(shù)增大，有效截面增大，并經(jīng)過真空退火后，**降低了空載損耗和噪音，增強(qiáng)了機(jī)械強(qiáng)度。電力變壓器在運(yùn)行時(shí)，繞組內(nèi)通過電流，會產(chǎn)生負(fù)載損耗。負(fù)載損耗又稱銅損，除基本繞組直流損耗外，還有附加損耗。湖州電容柜</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2979868.html</p></div></div></div></div></div><div id="3xzbaza" class="page-right 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