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id="jjxjtrb" class="twoCol"><div id="h3j9h9r" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a 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-_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>?河南電力儀表生產(chǎn) 歡迎來電江蘇基頓電氣供應(yīng)</p><div id="3hvz99j" class="leftbox clearfix"><h1>河南電力儀表生產(chǎn) 歡迎來電江蘇基頓電氣供應(yīng)</h1><div id="nrb9z3l" class="proBig"><div id="dfd7tdf" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707544638672/8576857.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="l9lrnz9" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707544638672/8576857.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rllhljj" 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>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>河南電力儀表生產(chǎn)</p><p><span>***更新：</span>2020-05-27 08:39:14</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="l9frndb" 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(dòng)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(jī): </span>0510-85027009</p><p><span>地址: </span>長(zhǎng)安鎮(zhèn)友誼路28號(hào)</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="rvtrt7f" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tjjpnnb" class="box"><p><p> 頻率表是指測(cè)量頻率的機(jī)械式指示電表。頻率表種類很多，有電動(dòng)系、鐵磁電動(dòng)系和屬于整流式的變換器式頻率表等。 </p> <p> 原理<span style="display:none;"></span> </p> <p> 鐵磁電動(dòng)系頻率表的測(cè)量機(jī)構(gòu)與電路如圖。帶有鐵心的固定線圈與電感器L、電容器C組成的串聯(lián)諧振電路,通常被調(diào)整在標(biāo)尺的中間頻率(例如50赫)時(shí)諧振?？蓜?dòng)部分由兩個(gè)線圈組成，其中動(dòng)圈1與電容器C1串聯(lián)后與諧振電路并聯(lián)。接通電源時(shí)，可動(dòng)部分所受轉(zhuǎn)動(dòng)力,I、I1分別為固定線圈及動(dòng)圈1中電流,θ為兩電流相量間夾角，K為系數(shù)。動(dòng)圈2與電阻器R2、電感器L2構(gòu)成閉合回路。當(dāng)可動(dòng)部分指針偏離標(biāo)尺中間位置α角時(shí)，動(dòng)圈2將受到一個(gè)與偏轉(zhuǎn)角α成正比、并使指針返回中間位置的反抗力矩。當(dāng)被測(cè)頻率等于標(biāo)尺中間頻率時(shí),諧振電路發(fā)生諧振,這時(shí)固定線圈中的電流與動(dòng)圈1中電流相量間夾角θ=90°,因而轉(zhuǎn)動(dòng)力矩M=0。于是可動(dòng)部分在動(dòng)圈2力矩的作用下，使指針指在標(biāo)尺的中間頻率（例如50赫）的刻度上。當(dāng)被測(cè)頻率偏離中間頻率時(shí)，諧振條件被破壞，河南電力儀表生產(chǎn)，河南電力儀表生產(chǎn)，轉(zhuǎn)動(dòng)力矩不再為零，河南電力儀表生產(chǎn)，可動(dòng)部分發(fā)生偏轉(zhuǎn)，直到轉(zhuǎn)動(dòng)力矩與反抗力矩平衡時(shí)為止，可動(dòng)部分將停在與被測(cè)頻率對(duì)應(yīng)的新位置上。改變串聯(lián)諧振電路的參數(shù)，可以獲得不同的頻率量程。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電力儀表生產(chǎn)" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707544638672/8576857.jpg"></div><p> 測(cè)量顯示 </p> <p> 多功能電力儀表可測(cè)量電網(wǎng)中的電力參數(shù)有:Ua、Ub、Uc(相電壓);Uab、Ubc、Uea(線電壓)Ia、Ib、Ic(電流);Pa、Pb、Pc、Ps(每相有功功率和總有功功率);Qa、Qb、Qc、Qs(每相無功功率和總無功功率);PFs(總功率因數(shù));Ss(總視在功率);FR(頻率)以及有功(無功)電能，所有的測(cè)量電量參數(shù)全部保存儀表內(nèi)部的電量信息表中，通過儀表的數(shù)字通訊接口可訪問采集這些數(shù)據(jù)。而對(duì)于不同的型號(hào)的儀表，其顯示內(nèi)容和方式卻可能不一致，請(qǐng)參考具體的說明。 </p> <p> 顯示方式: </p> <p> 可設(shè)置XS1控制字用來編程設(shè)置通常狀態(tài)下顯示內(nèi)容，XS1=0表示自動(dòng)循環(huán)顯示，1(三相電壓)，2(三相電流)，3(有功功率、無功功率、功率因數(shù))，4(頻率)，5(有功電能信息)，6(無功電能信息)。 </p> <p> 編程操作 </p> <p> 在編程操作下，儀表提供了設(shè)置(SET)、輸入(INPT)、通訊(CONN)三大類輸入設(shè)置菜單項(xiàng)目，采用LED顯示的分層菜單結(jié)構(gòu)管理方式:第1排LED顯示第1層菜單信息;第2排LED顯示第2層菜單信息，第3排LED提供第3層菜單信息。 </p> <p> 鍵盤的編程操作采用四個(gè)按鍵的操作方式，即:左右移動(dòng)鍵"←"、"→"，菜單進(jìn)入或上回退"MENU"鍵、選擇確定" " 來完成上述功能的的有操作。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電力儀表生產(chǎn)" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707521357422/9684992.jpg"></div><p> SWL300智能電力儀表具有精確的電力參數(shù)測(cè)量、電能質(zhì)量參數(shù)監(jiān)視和分析、電能量統(tǒng)計(jì)、越限報(bào)警、**值記錄和事件順序記錄等功能。 </p> <p> 通過I/O模塊實(shí)現(xiàn)對(duì)現(xiàn)場(chǎng)設(shè)備狀態(tài)的監(jiān)視、遠(yuǎn)程控制和報(bào)警輸出。 </p> <p> 電力儀表提供標(biāo)準(zhǔn)的通訊接口，并可選擇雙通訊網(wǎng)絡(luò)冗余，同時(shí)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(yīng)用功能模塊化設(shè)計(jì)，用戶自定義的定值系統(tǒng)，可以驅(qū)動(dòng)模擬量和邏輯量定值報(bào)警。大屏幕的液晶顯示界面讓用戶輕松獲取電力參數(shù)。強(qiáng)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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南電力儀表生產(chǎn)" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707519746094/3973007.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/56030.html</p></div></div></div></div></div><div id="pr9dlzn" 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