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href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關(guān)柜</a>?樂山高低壓電器銷售誠信服務(wù) 成都皖川科技供應(yīng)</p><div id="imjbqco" class="leftbox clearfix"><h1>樂山高低壓電器銷售誠信服務(wù) 成都皖川科技供應(yīng)</h1><div id="sht2ugt" class="proBig"><div id="lv37pby" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864923105469/6132507.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3vc8yqi" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864923105469/6132507.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7iph8zr" 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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>樂山高低壓電器銷售,高低壓電器</p><p><span>***更新：</span>2020-06-15 19:19:12</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="ketau3l" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達(dá)廣場SOHO公寓2-2-1138室</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="7roa2d2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="yxeba93" class="box"><p><p style="text-indent:25px">對(duì)于 TT 、 IN 、 IT 系統(tǒng)和電力負(fù)荷的分級(jí)的高低壓配電柜基礎(chǔ)知識(shí)，部分小伙伴還是不是很了解。TT 方式是指將電氣設(shè)備的金屬外殼直接接地的保護(hù)系統(tǒng)，稱為保護(hù)接地系統(tǒng)，樂山高低壓電器銷售，也稱 TT 系統(tǒng)。TN 方式是將電氣設(shè)備的金屬外殼與工作零線相接的保護(hù)系統(tǒng)，稱作接零保護(hù)系統(tǒng)，用 TN 表示。IT 方式是電源側(cè)沒有工作接地，或經(jīng)過高阻抗接地。負(fù)載側(cè)電氣設(shè)備進(jìn)行接地保護(hù)的保護(hù)系統(tǒng)，樂山高低壓電器銷售。一級(jí)負(fù)荷：中斷供電將造成人身傷亡者；或***，樂山高低壓電器銷售、經(jīng)濟(jì)上將造成重大損者。二級(jí)負(fù)荷：二級(jí)負(fù)荷為中斷供電將在***、經(jīng)濟(jì)上造成較大損失者，三級(jí)負(fù)荷：三級(jí)負(fù)荷為一般的電力負(fù)荷。樂山高低壓電器銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="樂山高低壓電器銷售,高低壓電器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864923105469/6132507.jpg"></div><p style="text-indent:25px">低壓電器分類： 1.按動(dòng)作方式可分為：（1）手動(dòng)電器--依靠外力直接操作來進(jìn)行切換的電器，如刀開關(guān)、按鈕開關(guān)等。（2）自動(dòng)電器--依靠指令或物理量變化而自動(dòng)動(dòng)作的電器，如接觸器、繼電器等。 2.按用途可分為：（1）低壓控制電器--主要在低壓配電系統(tǒng)及動(dòng)力設(shè)備中起控制作用，如刀開關(guān)、低壓斷路器等。（2）低壓保護(hù)電器--主要在低壓配電系統(tǒng)及動(dòng)力設(shè)備中起保護(hù)作用，如熔斷器、熱繼電器等。 3.按種類可分為：刀開關(guān)、刀形轉(zhuǎn)換開關(guān)、熔斷器、低壓斷路器、接觸器、繼電器、主令電器和自動(dòng)開關(guān)等。樂山高低壓電器銷售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="樂山高低壓電器銷售,高低壓電器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864927294922/4146485.jpg"></div><p style="text-indent:25px">成套設(shè)備是指生產(chǎn)成品或半成品的工業(yè)聯(lián)合裝置。它可以是一個(gè)工段、一條生產(chǎn)線、一個(gè)車間或一個(gè)工廠?？梢允悄骋粚I(yè)的單項(xiàng)設(shè)備，也可以是數(shù)個(gè)專業(yè)的綜合設(shè)備。高低壓：按照中華人民共和國行業(yè)標(biāo)準(zhǔn)DL 408—91《電業(yè)安全工作規(guī)程》第1.4的規(guī)定，電氣設(shè)備分為高壓和低壓兩種。高壓：設(shè)備對(duì)地電壓在250V以上者：低壓：設(shè)備對(duì)地電壓在250V及以下者。高低壓成套設(shè)備就是包含有高壓設(shè)備和低壓設(shè)備的綜合設(shè)備。低壓電器一般都有兩個(gè)基本部分：一個(gè)是感測部分，它感測外界的信號(hào)，作出有規(guī)律的反應(yīng)，在自控電器中，感測部分大多由電磁機(jī)構(gòu)組成，在受控電器中，感測部分通常為操作手柄等；另一個(gè)是執(zhí)行部分，如觸點(diǎn)是根據(jù)指令進(jìn)行電路的接通或切斷的。</p><p style="text-indent:25px">變壓器在電力系統(tǒng)中主要作用：主要作用是變換電壓，以利于功率的傳輸。在同一段線路上,傳送相同的功率, 電壓經(jīng)升壓變壓器升壓后，線路傳輸?shù)碾娏鳒p小,可以減少線路損耗，提高送電經(jīng)濟(jì)性，達(dá)到遠(yuǎn)距離送電的目的，而降壓則能滿足各級(jí)使用電壓的用戶需要。對(duì)于渦流的解釋是當(dāng)交流電流通過導(dǎo)線時(shí)，在導(dǎo)線周圍會(huì)產(chǎn)生交變的磁場。交變磁場中的整塊導(dǎo)體的內(nèi)部會(huì)產(chǎn)生感應(yīng)電流，由于這種感應(yīng)電流在整塊導(dǎo)體內(nèi)部自成閉合回路，很像水的旋渦，所以稱作渦流。渦流不但會(huì)白白損耗電能，使用電設(shè)備效率降低，而且會(huì)造成用電器（如變壓器鐵芯）發(fā)熱，嚴(yán)重時(shí)將影響設(shè)備正常運(yùn)行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="樂山高低壓電器銷售,高低壓電器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864925400391/9393102.jpg"></div><p style="text-indent:25px">低壓電器是指工作在交流電壓小于1200V、直流電壓小于1500V的電路中，起通斷、保護(hù)、控制或調(diào)節(jié)作用的電氣設(shè)備，以及利用電能來控制、保護(hù)和調(diào)節(jié)非電過程和非電裝置的電氣設(shè)備。電力系統(tǒng)的負(fù)荷絕大部分是通過低壓電器供給的。電力用戶的各種生產(chǎn)機(jī)械設(shè)備，大部分是采用低壓供電。在龐大的低壓配電系統(tǒng)和低壓用電系統(tǒng)中，需要大量的控制、保護(hù)用低壓電器。低壓電器是一種能根據(jù)外界的信號(hào)和要求，手動(dòng)或自動(dòng)地接通、斷開電路，以實(shí)現(xiàn)對(duì)電路或非電對(duì)象的切換、控制、保護(hù)、檢測、變換和調(diào)節(jié)的元件或設(shè)備?？刂齐娖靼雌涔ぷ麟妷旱母叩?，以交流1200V、直流1500V為界，可劃分為高壓控制電器和低壓控制電器兩大類?？偟膩碚f，低壓電器可以分為配電電器和控制電器兩大類，是成套電氣設(shè)備的基本組成元件。在工業(yè)、農(nóng)業(yè)、交通、**以及人們用電部門中，大多數(shù)采用低壓供電，因此電器元件的質(zhì)量將直接影響到低壓供電系統(tǒng)的可靠性。樂山高低壓電器銷售</p><p style="text-indent:25px">樂山高低壓電器銷售</p><p style="text-indent:25px">在高壓線路中用來實(shí)現(xiàn)關(guān)合、開斷、保護(hù)、控制、調(diào)節(jié)、量測的設(shè)備。一般的高壓電器包括開關(guān)電器、量測電器和限流、限壓電器。國際上公認(rèn)的高低壓電器的分界線交流是1kV（直流則為1500V）。為交流1kV以上為高壓電器，1kV及以下為低壓電器。有時(shí)也把變壓器列入高壓電器。高壓電器與電壓的劃分，按照老的電力安規(guī)規(guī)定，對(duì)地電壓在250v以上屬于高壓，2011年新版電力安規(guī)改為，對(duì)地電壓1000V以上屬于高壓，1000V以下屬于低壓，目前執(zhí)行的是2011的這個(gè)標(biāo)準(zhǔn)。樂山高低壓電器銷售</p><p style="text-indent:25px">成都皖川科技有限公司創(chuàng)建于2011-12-30，注冊(cè)資金 100-200萬元，辦公設(shè)施齊全，辦公環(huán)境優(yōu)越，已***實(shí)行網(wǎng)絡(luò)化辦公，**提高了速度和效率。在成都皖川科技近多年發(fā)展歷史，公司旗下現(xiàn)有品牌皖纜等。公司堅(jiān)持以客戶為中心、研發(fā)、銷售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門、水泵、電線電纜、通訊器材(不含無線廣播電視發(fā)射及衛(wèi)星地面接收設(shè)備)、醫(yī)療器械(***一類)、實(shí)驗(yàn)設(shè)備、化工產(chǎn)品(不含危險(xiǎn)化學(xué)品)、五金交電、照明設(shè)備。市場為導(dǎo)向，重信譽(yù)，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。成都皖川科技有限公司主營業(yè)務(wù)涵蓋[ "耐磨熱電偶", "氣體檢測儀器", "便攜式氣體報(bào)警控制器", "雙金屬溫度計(jì)" ]，堅(jiān)持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。</p></p><br 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