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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sq4lzlx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707519746094/5640562.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xmgfbi7" 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>防城港電力儀表系統(tǒng),電力儀表</p><p><span>***更新：</span>2020-06-16 14:23:50</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="pdxoqxg" 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(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="8lamykr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="v3gszws" class="box"><p><p> 測量顯示 </p> <p> 多功能電力儀表可測量電網(wǎng)中的電力參數(shù)有:Ua、Ub，防城港電力儀表系統(tǒng)、Uc(相電壓);Uab、Ubc、Uea(線電壓)Ia，防城港電力儀表系統(tǒng)、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，防城港電力儀表系統(tǒng)，所有的測量電量參數(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)。而對于不同的型號的儀表，其顯示內(nèi)容和方式卻可能不一致，請參考具體的說明。 </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按鍵的操作方式，即:左右移動鍵"←"、"→"，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。數(shù)顯電力儀表廠家價格。防城港電力儀表系統(tǒng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防城港電力儀表系統(tǒng),電力儀表" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707519746094/5640562.jpg"></div><p> 電壓表是個大的電阻器，理想的認(rèn)為是斷路。在并聯(lián)電路中并聯(lián)了電壓表(跟別的用電器并聯(lián))和用電器，如果在干路中沒有其他的用電器，可以認(rèn)為測量電源電壓(因為并聯(lián)電路上的用電器全部享用了電源的電壓)；如果干路中還連接其他的用電器，那這個用電器就分享了部分電源電壓，那電壓表測的只能是部分電壓(連接在哪個用電器就是哪個用電器的電壓)。 </p> <p> 要知道在電壓表內(nèi)，有一個磁鐵和一個導(dǎo)線線圈，通過電流后，會使線圈產(chǎn)生磁場，這樣線圈通電后在磁鐵的作用下會旋轉(zhuǎn)，這就是電流表、電壓表的表頭部分。 </p> <p> 這個表頭所能通過的電流很小，兩端所能承受的電壓也很?。隙ㄟh(yuǎn)小于1V，可能只有零點零幾伏甚至更?。?，為了能測量實際電路中的電壓，需要給這個電壓表串聯(lián)一個比較大的電阻，做成電壓表。三相三線電力儀表儀器智能數(shù)顯電力儀表公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防城港電力儀表系統(tǒng),電力儀表" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707519873047/370399.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(shè)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(zhǔn)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(yīng)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(rèn)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(rèn)多功能電力儀表故障。 </p><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(biāo)，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(fù)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(biāo) </p> <p> 電網(wǎng)頻率 </p> <p> 我國電力系統(tǒng)的標(biāo)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(dāng)系統(tǒng)容量較小時，偏差限值可以放寬到±0.5Hz，標(biāo)準(zhǔn)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(fù)偏差值之和不超過標(biāo)稱電壓的10%；20kV及以下三相供電電壓允許偏差為標(biāo)稱電壓的土7%；220V單相供電電壓允許偏差為標(biāo)稱電壓的+7%，－10%。數(shù)顯電力儀表廠家聯(lián)系方式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="防城港電力儀表系統(tǒng),電力儀表" src="https://tyunfile.71360.com/WaterMark/UploadFile/keaton/637237707544560547/2308852.jpg"></div><p> 電力儀表的產(chǎn)品特點：結(jié)構(gòu)精巧、安裝便捷，<span style="font-size:12px;">外型小巧，實現(xiàn)全部功能無需擴展模塊，尺寸符合DIN96×96標(biāo)準(zhǔn)，開孔尺寸為90×90mm，安裝厚度*為56mm。可以安裝在小間隔的抽屜式開關(guān)柜內(nèi)。 </span> </p> <p> 電力儀表采用自鎖式的安裝機構(gòu)，無需螺絲固定，安裝拆卸方便快捷。也可以選擇分體式導(dǎo)軌安裝（TS-35標(biāo)準(zhǔn)）、分體式平面螺絲安裝方式。 </p> <p> 顯示直觀、易學(xué)易用大屏幕、高清晰的液晶顯示界面直觀反映電力儀表參數(shù)。所有測量數(shù)據(jù)均可通過按鍵輕松翻閱，參數(shù)設(shè)置可以通過儀表面板進(jìn)行，也可由通訊口輸入。設(shè)定參數(shù)存于非易失性EEPROM中，掉電也不會丟失。液晶顯示界面有背光支持，以幫助您在光線差的環(huán)境下使用。電力數(shù)字表、三相表、單相表、多回路數(shù)字表、數(shù)顯表廠家直銷，全國招商+OEM。湖北PT電力儀表</p><p style="text-indent:25px">無錫數(shù)顯儀表生產(chǎn)廠家。防城港電力儀表系統(tǒng)</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(dāng)大的電阻器，理想的認(rèn)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(dǎo)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(fù)接線柱，兩個正接線柱，電壓表的正極與電路的正極連接，負(fù)極與電路的負(fù)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(dāng)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(dāng)電壓表再并聯(lián)在電路中時，由于電阻的作用，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(dān)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。 </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“~”。防城港電力儀表系統(tǒng)</p><p style="text-indent:25px">江蘇基頓電氣自動化有限公司一直專注于自動化設(shè)備、電氣機械及器材、儀器儀表、電子產(chǎn)品的研發(fā)生、銷售；計算機硬件、電氣設(shè)備的技術(shù)研發(fā)、設(shè)計。電力儀表事業(yè)部主要產(chǎn)品包括：電力儀表系列、智能電動機保護(hù)器系列、開關(guān)柜智能操控裝置系列、智慧用電監(jiān)控模塊系列、電量變送器系列，及系統(tǒng)集成系列產(chǎn)品。產(chǎn)品普遍用于冶金、石化、電力、建筑、市政等行業(yè)。，是一家儀器儀表的企業(yè)，擁有自己**的技術(shù)體系。公司目前擁有101~300人員工，為員工提供廣闊的發(fā)展平臺與成長空間，為客戶提供高質(zhì)高效的產(chǎn)品服務(wù)，深受員工與客戶好評。江蘇基頓電氣自動化有限公司主營業(yè)務(wù)涵蓋[ "數(shù)顯電力儀表", "操控裝置", "弧光保護(hù)", "微機綜合保護(hù)" ]，堅持“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。目前公司已經(jīng)成為[ "數(shù)顯電力儀表", "操控裝置", "弧光保護(hù)", "微機綜合保護(hù)" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領(lǐng)域拓展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/279169.html</p></div></div></div></div></div><div id="3f2eyu7" class="page-right twoColRt"><div id="sgy8y22" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zokrj2m" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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