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id="uogipby" class="searchbox"><div id="jfceg78" class="searchLt"><div id="8waxuta" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="1zgdvh7" class="clearfix searchWrap"><div id="sgifcji" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="vpm73bs" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="glsm8nu" class="twoCol"><div id="lf8poqx" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dgyqybwr/">電工儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-dgyqybwr_qtdgyqybpe/">其他電工儀器儀表</a>?南寧LCD數(shù)顯電力儀表歡迎來電江蘇基頓電氣供應</p><div id="v8zbv85" class="leftbox clearfix"><h1>南寧LCD數(shù)顯電力儀表歡迎來電江蘇基頓電氣供應</h1><div id="9eqnur7" class="proBig"><div id="8zgdpgi" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707521308594/2790389.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wlkceln" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707521308594/2790389.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jdvxebs" 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)品關鍵詞：</span>南寧LCD數(shù)顯電力儀表</p><p><span>***更新：</span>2020-06-20 21:27:35</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="kurjgn8" 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="aewoq7s" class="page-proshow02"><p class="title">詳細說明</p><div id="3qxp7v7" class="box"><p><p> 直流類型 </p> <p> 主要采用磁電系電表和靜電系電表的測量機構(gòu)。磁電系電壓表由小量程的磁電系電流表與串聯(lián)電阻器(又稱分壓器)組成，比較低量程為十幾毫伏。為了擴大電壓表量程，可以增大分壓器的電阻值。例如用50微安的電流表形成250伏的電壓表時，要使分壓器與測量機構(gòu)的總電阻值為250/[50×10^(-6)]=5×10^6歐=5兆歐，這相當于電壓表的內(nèi)阻為20千歐/伏。為了避免電壓表的接入過多影響原工作狀態(tài)，要求電壓表有較高的內(nèi)阻。用幾個電阻組成的分壓器和測量機構(gòu)串聯(lián)，南寧LCD數(shù)顯電力儀表，可形成多量程電壓表。靜電系電壓表的比較低量程為幾十伏，南寧LCD數(shù)顯電力儀表，擴大量程是靠改變電表內(nèi)部結(jié)構(gòu)和極間距離來達到，南寧LCD數(shù)顯電力儀表。此外，電磁系電表的測量機構(gòu)在理論上也可用于測量直流電壓。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧LCD數(shù)顯電力儀表" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707521308594/2790389.jpg"></div><p> 諧波及無功問題 </p> <p> 諧波以及無功是電網(wǎng)電能質(zhì)量的重要指標，無論對于電網(wǎng)還是用戶都有重要的意義。諧波和無功雖然是兩個相對**的問題，但是二者之間又有非常緊密的聯(lián)系。這是因為： </p> <p> (1)諧波除其本身的問題之外，也影響負荷和電網(wǎng)的無功功率； </p> <p> (2)產(chǎn)生諧波的裝置同時大都也是消耗基波無功功率的裝置； </p> <p> (3)治理諧波的裝置通常也都是補償基波無功功率的裝置。 [2] </p> <p> 具體指標 </p> <p> 電網(wǎng)頻率 </p> <p> 我國電力系統(tǒng)的標稱頻率為50Hz </p> <p> ，GB/T15945-2008《電能質(zhì)量電力系統(tǒng)頻率偏差》中規(guī)定：電力系統(tǒng)正常運行條件下頻率偏差限值為±0.2Hz，當系統(tǒng)容量較小時，偏差限值可以放寬到±0.5Hz，標準中沒有說明系統(tǒng)容量大小的界限。在《全國供用電規(guī)則》中規(guī)定"供電局供電頻率的允許偏差：電網(wǎng)容量在300萬千瓦及以上者為±0.2HZ；電網(wǎng)容量在300萬千瓦以下者，為±0.5HZ。實際運行中，從全國各大電力系統(tǒng)運行看都保持在不大于±0.1HZ范圍內(nèi)。 </p> <p> 電壓偏差 </p> <p> GB/T 12325-2008 《電能質(zhì)量供電電壓偏差》中規(guī)定：35kV及以上供電電壓正、負偏差值之和不超過標稱電壓的10%；20kV及以下三相供電電壓允許偏差為標稱電壓的土7%；220V單相供電電壓允許偏差為標稱電壓的+7%，－10%。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧LCD數(shù)顯電力儀表" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707519873047/370399.jpg"></div><p> 產(chǎn)品概述 </p> <p> 電力儀表 </p> <p> 具有精確的電力參數(shù)測量、電能質(zhì)量參數(shù)監(jiān)視和分析、電能量統(tǒng)計、越限報警、**值記錄和事件順序記錄等功能。通過I/O模塊實現(xiàn)對現(xiàn)場設備狀態(tài)的監(jiān)視、遠程控制和報警輸出。電力儀表提供標準的通訊接口，并可選擇雙通訊網(wǎng)絡冗余，同時還提供電能脈沖輸出和4~20mA模擬量輸出等功能。電力裝置應用功能模塊化設計，用戶自定義的定值系統(tǒng)，可以驅(qū)動模擬量和邏輯量定值報警。大屏幕的液晶顯示界面讓用戶輕松獲取電力參數(shù)。強大的功能配置給用戶構(gòu)建電力監(jiān)控、電能質(zhì)量監(jiān)視和分析解決方案提供靈活的選擇。 </p> <p> 電力SCADA系統(tǒng)的理想選擇 </p> <p> 智能電力儀表可作為儀表單獨使用，取代大量傳統(tǒng)的模擬儀表，亦可作為電力監(jiān)控系統(tǒng)的前端設備，實現(xiàn)遠程數(shù)據(jù)采集與控制。符合工業(yè)標準的RS485通訊接口，使得組網(wǎng)輕松便捷，是SCADA系統(tǒng)集成的理想選擇。 </p> <p> 能量管理系統(tǒng)應用 </p> <p> 智能電力儀表可以統(tǒng)計雙向四象限的有功電能和無功電能，同時進行比較大值/**小值的記錄和需量的統(tǒng)計。配合電力監(jiān)控軟件可以協(xié)助用戶分析各用電設備的電能消耗狀況與負荷變化趨勢，實現(xiàn)自動抄表并生成各種電量報表。 </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/331000.html</p></div></div></div></div></div><div id="p2krovc" class="page-right twoColRt"><div id="smtq88x" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gqnfc7v" class="recomPic likePro"><a 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