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id="ogucqak" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707521220703/3641811.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ugmccms" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>陜西全電量多功能電力儀表,電力儀表</p><p><span>***更新：</span>2020-06-17 01:19:32</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="8ekiq4u" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇基頓電氣自動化有限公司</a></p><p><span>聯(lián)系人：</span>高經(jīng)理</p><p><span>郵箱: </span>215741001@qq.com</p><p><span>電話: </span>13328157222</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0510-85027009</p><p><span>地址: </span>長安鎮(zhèn)友誼路28號</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="62cy2si" class="page-proshow02"><p class="title">詳細說明</p><div id="ika40k6" class="box"><p><p> 電壓表是測量電壓的一種儀器。由永磁體、線圈等構(gòu)成。電壓表是個相當大的電阻器，理想的認為是斷路。初中階段實驗室常用的電壓表量程為0~3V和0~15V。 </p> <p> 產(chǎn)品介紹 </p> <p> 電壓表是測量電壓的一種儀器，常用電壓表——伏特表的符號為“V”。 </p> <p> 傳統(tǒng)的指針式電壓表包括一個靈敏電流計，在靈敏電流計里面有一個永磁體，在電流計的兩個接線柱之間串聯(lián)一個由導線構(gòu)成的線圈，線圈放置在永磁體的磁場中，并通過傳動裝置與表的指針相連。大部分電壓表都分為兩個量程。電壓表有三個接線柱，一個負接線柱，兩個正接線柱，電壓表的正極與電路的正極連接，負極與電路的負極連接。 </p> <p> 原理 </p> <p> 由于電壓表要與被測電阻并聯(lián)，所以如果直接用靈敏電流計當電壓表用，表中的電流過大，會燒壞電表，這時需要在電壓表的內(nèi)部電路中串聯(lián)一個很大的電阻，這樣改造后，當電壓表再并聯(lián)在電路中時，由于電阻的作用，陜西全電量多功能電力儀表，陜西全電量多功能電力儀表，加在電表兩端的電壓絕大部分都被這個串聯(lián)的電阻分擔了，所以通過電表的電流實際上很小，所以就可以正常使用了，陜西全電量多功能電力儀表。 </p> <p> 直流電壓表的符號要在V下加一個“_”，交流電壓表的符號要再V下加一個波浪線“~”。智能數(shù)顯電力儀表公司。陜西全電量多功能電力儀表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西全電量多功能電力儀表,電力儀表" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707521220703/3641811.jpg"></div><p style="text-indent:25px">JD969EY安裝式數(shù)顯多功能電力監(jiān)測儀表是一款集測量記錄、大屏幕LCD顯示、通信于一體的電力儀表，可以測量電網(wǎng)三相電壓、三相電流、三相有功功率、三相無功功率、三相視在功率、三相功率因數(shù)以及頻率,并能計量總和分相的有無功電能。RS485通信接口支持MODBUS-RTU通信規(guī)約。儀表具有4路開關(guān)量輸入和4路開關(guān)量輸出，可以實現(xiàn)本地或遠程的開關(guān)信號監(jiān)測和控制輸出功能（即“遙信”和“遙控”功能）。儀表適用于能源管理系統(tǒng)、變電站自動化、配變網(wǎng)自動化、小區(qū)電力監(jiān)控、工業(yè)自動化、智能型配電盤和開關(guān)柜，包括使用在發(fā)電廠、水電站等用電管理自動化系統(tǒng)中。貴州進口電力儀表數(shù)字式儀表、電力儀表、多功能表、多功能儀表、廠家直銷、全國招商+OEM。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西全電量多功能電力儀表,電力儀表" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707544638672/8576857.jpg"></div><p> 電流表是根據(jù)通電導體在磁場中受磁場力的作用而制成的。電流表內(nèi)部有一永磁體， </p> <p> 在極間產(chǎn)生磁場，在磁場中有一個線圈，線圈兩端各有一個游絲彈簧，彈簧各連接電流表的一個接線柱，在彈簧與線圈間由一個轉(zhuǎn)軸連接，在轉(zhuǎn)軸相對于電流表的前端，有一個指針。指針偏轉(zhuǎn)。由于磁場力的大小隨電流增大而增大，所以就可以通過指針的偏轉(zhuǎn)程度來觀察電流的大小。這叫磁電式電流表，就是我們平時實驗室里用的那種。 </p> <p> 一般可直接測量微安或毫安數(shù)量級的電流，為測更大的電流，電流表應有并聯(lián)電阻器（又稱分流器）。主要采用磁電系電表的測量機構(gòu)。分流器的電阻值要使?jié)M量程電流通過時，電流表滿偏轉(zhuǎn)，即電流表指示達到比較大。對于幾安的電流，可在電流表內(nèi)設置**分流器。對于幾安以上的電流，則采用外附分流器。大電流分流器的電阻值很小，為避免引線電阻和接觸電阻附加于分流器而引起誤差，分流器要制成四端形式，即有兩個電流端，兩個電壓端。例如，當用外附分流器和毫伏表來測量200A的大電流時，若采用的毫伏表標準化量程為45mV（或75mV），那么分流器的電阻值為0.045/200=0.000225Ω（或0.075/200=0.000375Ω）。若利用環(huán)形（或稱梯級）分流器，可制成多量程電流表。 </p><p> 多功能電力儀表在電力監(jiān)控系統(tǒng)的應用： </p> <p> 多功能電力儀表可應用于電力監(jiān)控系統(tǒng)，能耗管理系統(tǒng)中。多功能電力儀表有串行口（RS－485），允許連接開放式結(jié)構(gòu)的電腦網(wǎng)絡；應用 Modbus－RTU通訊規(guī)約。上位機軟件讀取儀表的電流、電壓、頻率、有功功率、無功功率視在功率、電能、功率因數(shù)等，對建筑物能耗，工廠設備能耗進行監(jiān)測，將多功能電力儀表的數(shù)據(jù)傳到上位機軟件，再通過上位機軟件的數(shù)據(jù)分析功能，進行能耗管理，利用多功能電力儀表的開關(guān)量輸入功能，采集和顯示本地的開關(guān)信息，通過儀表的RS485數(shù)字通訊接口實現(xiàn)遠程傳輸功能，即“遙信”功能。利用多功能電力儀表的開關(guān)量輸出功能，通過上位機發(fā)送通訊命令，到達儀表，來控制開關(guān)量的輸出端的閉合與打開（比如通過通訊遠方分合斷路器），也可用于各種場所的報警指示。自身豐富的功能，配合上位機軟件，多功能電力儀表在工廠自動化，建筑物自動化，無人值守變電站，能耗管理系統(tǒng)，變壓器、發(fā)電機組、電容器組和電動機的分布式檢測等領域有著豐富的應用。無錫數(shù)顯電力儀表廠家哪家好？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陜西全電量多功能電力儀表,電力儀表" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707519746094/5640562.jpg"></div><p> 關(guān)于多功能電力儀表RS485通訊，儀表沒有回送數(shù)據(jù)： </p> <p> 首先確保多功能電力儀表的通訊設置信息如從機地址、波特率、校驗方式等與上位機要求一致。如果現(xiàn)場多塊多功能電力儀表通訊都沒有數(shù)據(jù)回送，檢測現(xiàn)場通訊總線的連接是否準確可靠，RS485轉(zhuǎn)換器是否正常。如果只有單塊或者少數(shù)多功能電力儀表通訊異常，也要檢查相應的通訊線，可以修改變化異常和正常儀表從機的地址來測試，排除或確認上位機軟件問題，或者通過變化異常和正常儀表的安裝位置來測試，排除或確認多功能電力儀表故障。直流多功能表、轉(zhuǎn)速表、變送器、電壓變送器、電流變送器廠家直銷，全國招商+OEM。48外形電力儀表報價</p><p style="text-indent:25px">直流表、交流表、數(shù)字表、多功能表、數(shù)顯表、廠家生產(chǎn)，全國招商+OEM。陜西全電量多功能電力儀表</p><p> 多功能網(wǎng)絡電力儀表專門針對供配電系統(tǒng)的電力監(jiān)控需求和設計制造。它能高精度的測量所有常用的電力參數(shù)。如三相電壓、三相電流、有功功率、無功功率、頻率、功率因數(shù)、諧波畸變率、諧波含量、四象限電能等。同時還具有電能累計、電能脈沖輸出、越限報警、開關(guān)量輸入輸出、模擬量變送輸出與網(wǎng)絡通訊等功能，具有良好的人機操作界面。 </p> <p> 多功能網(wǎng)絡電力儀表具有極高的性價比，可以取代常規(guī)測量指示儀表、電能計量表、多功能電力儀表以及相關(guān)的輔助單元。作為一種先進的智能化、數(shù)字化的電網(wǎng)前段段采集元件。該儀表可以應用于各種控制系統(tǒng)，能源管理系統(tǒng)，變電站自動化，配電自動化，工業(yè)自動化，智能建筑，智能配電柜，開關(guān)柜中。具有安裝方便，接線簡單，維護方便，工程量小，現(xiàn)場可設置輸入?yún)?shù)的特點。能夠完成業(yè)界不同PLC，工業(yè)控制計算機軟件的組網(wǎng)。陜西全電量多功能電力儀表</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司創(chuàng)辦于2019-08-05，是一家生產(chǎn)型的公司。經(jīng)過多年不斷的歷練探索和創(chuàng)新發(fā)展，公司致力于為客戶提供安全、質(zhì)量有保障的質(zhì)量產(chǎn)品及服務，是一家有限責任公司企業(yè)。公司業(yè)務涵蓋[ "數(shù)顯電力儀表", "操控裝置", "弧光保護", "微機綜合保護" ]，價格合理，品質(zhì)有保證，深受廣大客戶的歡迎。江蘇基頓電氣以創(chuàng)造***產(chǎn)品及服務的理念，打造高指標的服務，引導行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/283724.html</p></div></div></div></div></div><div id="csiaiws" class="page-right twoColRt"><div id="g2wmwkm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="emy6ewu" 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" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="miy8wsg" class="recomPic likePro"><a 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