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src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864927294922/4146485.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nphewqm" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864927294922/4146485.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="87iiac3" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>廣元高低壓電器報價,高低壓電器</p><p><span>***更新：</span>2020-08-26 11:09:23</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="azroqs8" 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: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qk2epm4" class="page-proshow02"><p class="title">詳細說明</p><div id="2z3fhhm" class="box"><p><p style="text-indent:25px">在高壓線路中用來實現(xiàn)關(guān)合、開斷、保護，廣元高低壓電器報價、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，廣元高低壓電器報價、量測電器和限流、限壓電器，廣元高低壓電器報價。國際上公認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，對地電壓在250v以上屬于高壓，2011年新版電力安規(guī)改為，對地電壓1000V以上屬于高壓，1000V以下屬于低壓，目前執(zhí)行的是2011的這個標準。廣元高低壓電器報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元高低壓電器報價,高低壓電器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864927294922/4146485.jpg"></div><p style="text-indent:25px">對于 TT 、 IN 、 IT 系統(tǒng)和電力負荷的分級的高低壓配電柜基礎(chǔ)知識，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系統(tǒng)，稱為保護接地系統(tǒng)，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系統(tǒng)，稱作接零保護系統(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。負載側(cè)電氣設(shè)備進行接地保護的保護系統(tǒng)。一級負荷：中斷供電將造成人身傷亡者；或***、經(jīng)濟上將造成重大損者。二級負荷：二級負荷為中斷供電將在***、經(jīng)濟上造成較大損失者，三級負荷：三級負荷為一般的電力負荷。廣元高低壓電器報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元高低壓電器報價,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、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、保護用低壓電器。低壓電器是一種能根據(jù)外界的信號和要求，手動或自動地接通、斷開電路，以實現(xiàn)對電路或非電對象的切換、控制、保護、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。</p><p style="text-indent:25px">其實在通常生活中我們所指的低壓電器設(shè)備是指在380/220V電網(wǎng)中承擔通斷控制的設(shè)備。低壓電器是一種能根據(jù)外界的信號和要求，手動或自動地接通、斷開電路，以實現(xiàn)對電路或非電對象的切換、控制、保護、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1000V、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。所以總的來說，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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元高低壓電器報價,高低壓電器" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044864923105469/6132507.jpg"></div><p style="text-indent:25px">低壓電器能夠依據(jù)操作信號或外界現(xiàn)場信號的要求，自動或手動地改變電路的狀態(tài)、參數(shù)，實現(xiàn)對電路或被控對象的控制、保護、測量、指示、調(diào)節(jié)。低壓電器的作用有：（1）控制作用。如電梯的上下移動、快慢速自動切換與自動停層等。（2）保護作用。能根據(jù)設(shè)備的特點，對設(shè)備、環(huán)境、以及人身實行自動保護，如電機的過熱保護、電網(wǎng)的短路保護、漏電保護等。（3）測量作用。利用儀表及與之相適應(yīng)的電器，對設(shè)備，電網(wǎng)或其它非電參數(shù)進行測量，如電流、電壓、功率、轉(zhuǎn)速、溫度、濕度等。（4）調(diào)節(jié)作用。低壓電器可對一些電量和非電量進行調(diào)整，以滿足用戶的要求，如柴油機油門的調(diào)整、房間溫濕度的調(diào)節(jié)、照度的自動調(diào)節(jié)等。（5）指示作用。利用低壓電器的控制、保護等功能，檢測出設(shè)備運行狀況與電氣電路工作情況，如絕緣監(jiān)測、保護掉牌指示等。（6）轉(zhuǎn)換作用。在用電設(shè)備之間轉(zhuǎn)換或?qū)Φ蛪弘娖?、控制電路分時投入運行，以實現(xiàn)功能切換，如勵磁裝置手動與自動的轉(zhuǎn)換，供電的市電與自備電的切換等．遂寧高低壓電器價格</p><p style="text-indent:25px">廣元高低壓電器報價</p><p style="text-indent:25px">由于在重大工程、工業(yè)裝備和質(zhì)量保證、基礎(chǔ)科研中，儀器儀表都是必不可少的基礎(chǔ)技術(shù)和裝備**，除傳統(tǒng)領(lǐng)域的需求外，新興的智能制造、離散自動化、生命科學、新能源、海洋工程、軌道交通等領(lǐng)域也會產(chǎn)生巨大需求。儀器儀表在工業(yè)生產(chǎn)過程中扮演著重要的角色，用到各種各樣的儀器儀表，如耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計等為工業(yè)的檢驗、測量和計量提供技術(shù)支撐。研發(fā)、銷售計算機軟硬件;計算機系統(tǒng)集成;銷售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機械設(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)、實驗設(shè)備、化工產(chǎn)品(不含危險化學品)、五金交電、照明設(shè)備。產(chǎn)品***運用于工業(yè)、農(nóng)業(yè)、交通、科技、環(huán)保、**、文教衛(wèi)生、人民生活等各個領(lǐng)域，在旺盛市場需求的帶動下和國家宏觀調(diào)控政策的引導(dǎo)下，我國儀器儀表行業(yè)的發(fā)展有了長足的進步空間。儀器儀表在工業(yè)發(fā)展中具有重要作用，這也使得儀器儀表得到快讀發(fā)展。各行各業(yè)對儀器儀表的市場需求也在不斷提升，銷售企業(yè)正在發(fā)展中尋求技術(shù)創(chuàng)新和質(zhì)量提升。儀器儀表的質(zhì)量、性能關(guān)系到工業(yè)安全，必須重視。廣元高低壓電器報價</p><p style="text-indent:25px">成都皖川科技有限公司創(chuàng)立于2011-12-30，總部位于四川省成都市，是一家研發(fā)、銷售計算機軟硬件;計算機系統(tǒng)集成;銷售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機械設(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)、實驗設(shè)備、化工產(chǎn)品(不含危險化學品)、五金交電、照明設(shè)備。的公司。成都皖川科技擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計。公司始終以本分踏實的精神和必勝的信念，影響并帶動同事和團隊取得成功。成都皖川科技創(chuàng)始人朱成生，始終關(guān)注客戶，以優(yōu)化創(chuàng)新的科技，竭誠為客戶提供極好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1046272.html</p></div></div></div></div></div><div id="xhmtvcw" class="page-right twoColRt"><div id="jy32kz3" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="feta3w2" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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