上海諧波保護器裝置價格創(chuàng)新服務上海科菲勒電氣供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="諧波保護器可切換輸入多種分度號。采用先進的無跳線技術，上海諧波保護器裝置價格，更改輸入分度號時，上海諧波保護器裝置價格，不用更改跳線或開關，上海諧波保護器裝置價格。整個儀表改型過程不需斷電，只需設定儀表的分度號及相關參數(shù)，即可在線完成輸入分"><meta name="keywords" content="上海諧波保護器裝置價格,諧波保護器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" 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src="https://tyunfile.71360.com/UploadFile/shkfldq/637378544706132812/111457.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="s8ubiap" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shkfldq/637378544706132812/111457.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jdf3pmo" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>上海諧波保護器裝置價格,諧波保護器</p><p><span>***更新：</span>2021-01-31 13:25:59</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="w77388z" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上?？品评针姎庥邢薰?/a></p><p><span>聯(lián)系人：</span>趙武</p><p><span>郵箱: </span>137160265@qq.com</p><p><span>電話: </span>13777749559</p><p><span>傳真: </span>0577_61763663</p><p><span>網(wǎng)址: </span>http://www.kofler.com.cn</p><p><span>手機: </span>0577-61763663</p><p><span>地址: </span>尚學路225、229號3幢5039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="wqx2ewt" class="page-proshow02"><p class="title">詳細說明</p><div id="rgyacjq" class="box"><p><p style="text-indent:25px">諧波保護器可切換輸入多種分度號。采用先進的無跳線技術，上海諧波保護器裝置價格，更改輸入分度號時，上海諧波保護器裝置價格，不用更改跳線或開關，上海諧波保護器裝置價格。整個儀表改型過程不需斷電，只需設定儀表的分度號及相關參數(shù)，即可在線完成輸入分度號的更改。顯示控制儀支持多機通訊，具有多種標準串行雙向通訊功能，可選擇多種通訊接品方式(如RS-232C、RS-485、RS-422等)，通訊波特率300~9600bps儀表內(nèi)部參數(shù)自由設定。可與各種帶串行輸入輸出的設備(如電腦、可編程控制器、PLC等)進行通訊，構成智能管理系統(tǒng)。數(shù)據(jù)采集器和基于WINDOWS'9X平臺的全中文FWP工控組態(tài)軟件，可方便的實現(xiàn)多臺儀表與上位機進行聯(lián)網(wǎng)管理。諧波保護器出廠前要進行檢查。上海諧波保護器裝置價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海諧波保護器裝置價格,諧波保護器" src="https://tyunfile.71360.com/UploadFile/shkfldq/637378544706132812/111457.png"></div><p style="text-indent:25px">諧波保護器如果串聯(lián)諧振頻率與電**征諧波頻率一致，則成為純?yōu)V波回路，如果只吸收少量諧波，則稱為失諧濾波回路。失諧濾波回路的主要用途是防止諧波放大，濾波效果不大，回路傳串聯(lián)諧振頻率通常低于電網(wǎng)的較低次特征諧波頻率，即設定為基波頻率的3.8~4.2倍。工程計算公式為：電抗器電抗XL=電容器容抗XC的百分比（X%）或者：電抗器功率QL=電容器基波容量QC的百分比（X%）電抗器電抗或容量一般為電容器容抗或容量的6~7%在選擇x=6%時，諧振次數(shù)為vr=4.08。浙江低壓諧波保護器報價諧波保護器的光柱精度一般未1%。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海諧波保護器裝置價格,諧波保護器" src="https://tyunfile.71360.com/UploadFile/shkfldq/637378544606738281/9171712.png"></div><p style="text-indent:25px">檢修諧波保護器內(nèi)部電路時，如果安裝元件的接點和電路板上涂了絕緣清漆，測量各點參數(shù)時可用普通手縫針焊在萬用表的表筆上，以便刺穿漆層直接測量各點，而不用大面積剝離漆層。不要帶電插拔各種控制板和插頭。在加電情況下，插拔控制板會產(chǎn)生較強的感應電動勢，這時瞬間反擊電壓很高，很容易損壞相應的控制板和插頭。檢修時不要盲目亂敲亂碰，以免擴大故障，越修越壞。使用邏輯筆、示波器檢測信號時，要注意不使探針同時接觸兩個測量引腳而形成短路。</p><p style="text-indent:25px">電力系統(tǒng)中，諧波保護指什么？我國電力系統(tǒng)的頻率為50Hz,，即每秒50周。由于電機制造、變壓器鐵芯等多種因素，系統(tǒng)內(nèi)會產(chǎn)生3次、5次、多次諧波。諧波是統(tǒng)稱。諧波是有害的。諧波：諧波(harmonic wavelength)，是一個數(shù)學或物理學概念，是指周期函數(shù)或周期性的波形中能用常數(shù)、與原函數(shù)的較小正周期相同的正弦函數(shù)和余弦函數(shù)的線性組合表達的部分。從嚴格的意義來講，諧波是指電流中所含有的頻率為基波的整數(shù)倍的電量，一般是指對周期性的非正弦電量進行傅里葉級數(shù)分解，其余大于基波頻率的電流產(chǎn)生的電量。從廣義上講，由于交流電網(wǎng)有效分量為工頻單一頻率，因此任何與工頻頻率不同的成分都可以稱之為諧波，這時“諧波”這個詞的的意義已經(jīng)變得與原意有些不符。正是因為廣義的諧波概念，才有了“分數(shù)諧波”、“間諧波”、“次諧波”等等說法。諧波保護器采用先進的無跳線技術。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海諧波保護器裝置價格,諧波保護器" src="https://tyunfile.71360.com/UploadFile/shkfldq/637378544509599609/3415545.png"></div><p style="text-indent:25px">諧波保護裝置應用諧波保護裝置從源頭消除諧波污染，為用電設備提供諧波保護。在工廠的變電所，每個低壓回路的總進線處建議配置一套諧波保護裝置。一般在工廠存在著多個車間，每個車間都有各自的變壓器出現(xiàn)，每個變壓器出現(xiàn)對應的低壓主進線多為單母線分兩段的接線方式，則諧波保護裝置應在各個低壓總進線旁。諧波保護器應用范圍 1、智能控制系統(tǒng)如PLC、DCS等的電源處保證控制電源平穩(wěn)，控制系統(tǒng)穩(wěn)定運行，避免死機及誤動作等情況。 2、重要的PLC控制器電源旁PLC等控制設備受到干擾會導致誤動、死機、壽命縮短及被控設備抖動等現(xiàn)象。根據(jù)設備的重要情況，重要的設備還可以再就近配置諧波保護器（單相）。諧波保護器采用模塊化的結構方案，構造簡單。江蘇機房諧波保護器批發(fā)</p><p style="text-indent:25px">諧波保護器是非常好用的機械設備。上海諧波保護器裝置價格</p><p style="text-indent:25px">諧波保護器產(chǎn)品概述：隨著計算機技術、通信技術和控制技術的不斷發(fā)展，智能建筑不斷地日新月異，同時智能建筑中使用了大量的現(xiàn)代化用電設備和裝置，如計算機、通訊系統(tǒng)、網(wǎng)絡控制設備、各種數(shù)字辦公設備、燈光調(diào)控系統(tǒng)、消防系統(tǒng)、監(jiān)控系統(tǒng)、變頻空調(diào)等，造成了惡劣的諧波環(huán)境，對保證電力系統(tǒng)和設備的安全正常運行造成了極大的威脅。諧波實際上是一種干擾，注入公用電網(wǎng)就會使電網(wǎng)受到“污染”，高次諧波還會直接對用電設備產(chǎn)生危害，造成電纜電線過熱，相間短路和接地故障，過零噪音，浪費系統(tǒng)容量，供電系統(tǒng)損耗增加，絕緣加速老化，系統(tǒng)功率因數(shù)降低，降低保護作用，使醫(yī)療設備誤動作等。近年，隨著知識經(jīng)濟與信息時代的到來，電子計算機、精密醫(yī)療儀器、微處理器以及其它數(shù)字化電子設備應用日益普遍，這些電氣設備都對電源的諧波質(zhì)量具有很高的要求。上海諧波保護器裝置價格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3097121.html</p></div></div></div></div></div><div id="kur2ugn" class="page-right twoColRt"><div id="kjlikbn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jtax7cr" 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