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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_dyclybej/">電壓測量儀表</a>?湖南耐壓測試儀lk2672 **** 深圳市茂迪機電設(shè)備供應(yīng)</p><div id="kywk8ig" class="leftbox clearfix"><h1>湖南耐壓測試儀lk2672 **** 深圳市茂迪機電設(shè)備供應(yīng)</h1><div id="i0k202s" class="proBig"><div id="gwm0mge" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434418427734/1362278.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="0kq0qw0" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434418427734/1362278.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ko8k8q8" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南耐壓測試儀lk2672,耐壓測試儀</p><p><span>***更新：</span>2020-12-30 02:14:08</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="kyws2ag" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市茂迪機電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強</p><p><span>郵箱: </span>fuqiang.huang@maodi.net</p><p><span>電話: </span>13509625980</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span>http://www.maodi.net</p><p><span>手機: </span>0755-83280136</p><p><span>地址: </span>深南大道6006號華豐大廈2803、2804</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="ie8uius" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="es8wcao" class="box"><p><p> 交/直流耐壓試驗用于檢驗產(chǎn)品在實際工作狀態(tài)下的電氣安全性能，是檢驗設(shè)備電氣安全性能的重要指標(biāo)之一。目前市場上所見的耐壓測試儀采用GB4706（等同IEC1010）標(biāo)準(zhǔn)，使用較多的是臺式結(jié)構(gòu)的單項測試指標(biāo)測試儀器，湖南耐壓測試儀lk2672，不能滿足用戶需要多指標(biāo)綜合測試的需求；而且目前市場上的耐壓測試儀多采用的是傳統(tǒng)的測試方法，測試精度不高，采用的技術(shù)和主要性能指標(biāo)與國外先進(jìn)水平有一定的差距，湖南耐壓測試儀lk2672，湖南耐壓測試儀lk2672，不能完全滿足目前發(fā)展的電氣安全性能測試工作的需要。因此研究符合***國際標(biāo)準(zhǔn)的采用先進(jìn)技術(shù)和具有更好性能指標(biāo)的耐壓測試系統(tǒng)具有重要意義。北京耐壓測試儀生產(chǎn)廠家。湖南耐壓測試儀lk2672</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南耐壓測試儀lk2672,耐壓測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434418427734/1362278.png"></div><p> 工頻耐壓測試儀是根據(jù)國家***電力行業(yè)標(biāo)準(zhǔn)而設(shè)計的、性能先進(jìn)的智能耐壓試驗設(shè)備，其安全可靠、功能強大、使用方便、維護簡單。用于對各種電器產(chǎn)品、電氣元件、絕緣材料等進(jìn)行規(guī)定電壓下的絕緣強度試驗，以考核產(chǎn)品的絕緣水平，發(fā)現(xiàn)被試品的絕緣缺陷，衡量過電壓的能力。 </p> <p> <br /> </p> <p> 工頻耐壓測試儀執(zhí)行標(biāo)準(zhǔn):DL/848.2-2004 </p> <p> 廣泛應(yīng)用于電工制造部門、電力運行部門、科研單位和高等院校。便攜式交直流耐壓試驗儀適用于現(xiàn)場! </p> <p> 基本信息中文名稱 </p> <p> 工頻耐壓測試儀工作電源 </p> <p> AC220V/380V±10% 工作頻率 </p> <p> 50Hz±1輸出電壓 </p> <p> 0~150kV </p> <p> <br /> 湖南耐壓測試儀lk2672進(jìn)口耐壓測試儀如何選擇？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南耐壓測試儀lk2672,耐壓測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434828945312/4598048.png"></div><p> </p> <p> 變壓器剛出產(chǎn)時，沒有經(jīng)過惡劣環(huán)境長時間的考驗，外施其額定電壓和頻率的電源作試驗，繞組匝間、層間和段間的電壓不足以達(dá)到電介質(zhì)缺陷處的擊穿電壓難以造成這些絕緣缺陷處的放電和擊穿，這種存在絕緣故障隱患的變壓器與絕緣性能良好的同類變壓器的空載電流和空載功耗沒有太大的差別，故而難以發(fā)現(xiàn)這些隱患；而感應(yīng)耐壓試驗給變壓器施加2倍額定電壓以上的電壓，可在縱絕緣缺陷處建立更高更集中的場強，繞組匝間、層間和段間的電壓達(dá)到并超過電介質(zhì)缺陷處的擊穿電壓；感應(yīng)耐壓試驗給變壓器施加頻率在2倍的額定頻率以上，較高的頻率又可以**降低固體電介質(zhì)的擊穿電壓，使得絕緣缺陷更容易被擊穿；感應(yīng)耐壓試驗所規(guī)定的外施電壓的作用時間亦可保證絕緣缺陷的擊穿；故感應(yīng)耐壓試驗可以可靠地檢測出變壓器縱絕緣性能的好壞。 </p> <p> 變壓器耐壓測試儀 </p><p style="text-indent:25px">耐壓測試儀 PWM控制的理論基礎(chǔ)建立在采樣控制理論的一個重要結(jié)論上，即：沖量相等而形狀不同的窄脈沖加在具有慣性的環(huán)節(jié)上時，其效果基本相同。SPWM波形就是把正弦波用等幅不等寬的脈沖代替，脈沖中點與正弦等分中點重合，且與相對應(yīng)的正弦面積相等，各脈沖的寬度按正弦規(guī)律變化。SPWM波的產(chǎn)生有很多方法，可以由**集成芯片或通用電路組合產(chǎn)生，也可以由單片機產(chǎn)生。本系統(tǒng)采用單片機ATMEGA16L產(chǎn)生SPWM波，利用單片機ATMEGA16L的內(nèi)部的累加器和比較器通調(diào)節(jié)占空比在PC4口輸出SPWM波。佛山絕緣耐壓測試儀廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南耐壓測試儀lk2672,耐壓測試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434335634765/1521565.png"></div><p> 耐壓:做絕緣距離耐壓的確認(rèn)。接地:確定接地回路阻抗相對小于人體阻抗模型。若有漏電，人體的分流會小到不至于讓心室懺動漏電流:由電氣回路或是交感到帶電體的電流，是否大到足以讓人觸電接地測試必須對所有一類產(chǎn)品(ClassI)進(jìn)行。測試的目的是保證產(chǎn)品上的所有在單一絕緣失效的情形下會變成帶電體，并且可以被使用者接觸到的導(dǎo)電性部件被可靠連接到電源輸入的接地點。換句話說,一個接地測試使用大電流的低電壓源加到接地回路來核實接地路徑的完整性。通過測量連接在保護接地連接端子或接地觸點和零件之間的阻抗來判斷是否符合標(biāo)準(zhǔn)要求,阻抗不超出產(chǎn)品安全標(biāo)準(zhǔn)確定的某個值則認(rèn)為是符合要求的。一定要記住,從結(jié)構(gòu)和設(shè)計觀點來看,用做保護接地的導(dǎo)體不應(yīng)該包含任何的開關(guān)或保險絲。某些標(biāo)準(zhǔn)，包括IEC60950-1，把泄漏電流(LeakageCurrent)命名為接觸電流(TouchCurrent)。珠海交流耐壓測試儀那個品牌好。湖南耐壓測試儀lk2672</p><p style="text-indent:25px">家用熱水器如何做耐壓絕緣測試？湖南耐壓測試儀lk2672</p><p> 變壓器耐壓測試儀的縱絕緣主要依賴于繞組內(nèi)的絕緣介質(zhì)——漆包線本身的絕緣漆、變壓器油、絕緣紙、浸漬漆和絕緣膠等等（不同種類的變壓器可能包含其中一種或多種絕緣介質(zhì)）；縱絕緣電介質(zhì)很難保證**的純凈度，難免混含固體雜質(zhì)、氣泡或水份等，生產(chǎn)過程中也會受到不同程度的損傷；變壓器工作時的比較高場強集中在這些缺陷處，長期負(fù)載運作的溫升又降低絕緣介質(zhì)的擊穿電壓，造成局部放電，電介質(zhì)通過外施交變電場吸收的功率即介質(zhì)損耗會***增加，導(dǎo)致電介質(zhì)發(fā)熱嚴(yán)重，介質(zhì)電導(dǎo)增大，該部位的大電流也會產(chǎn)生熱量，就會使電介質(zhì)的溫度繼續(xù)升高，而溫度的升高反過來又使電介質(zhì)的電導(dǎo)增加。如此長期惡性循環(huán)下去，***導(dǎo)致電介質(zhì)的熱擊穿和整個變壓器的毀壞。這一故障表現(xiàn)在變壓器的特性上就是空載電流和空載功耗***增加，并且繞組有灼熱、飛弧、振動和嘯叫等不良現(xiàn)象?？梢娎酶袘?yīng)耐壓試驗檢測出變壓器是否含有縱絕緣缺陷是極其必要的。 </p> <p> <br /> 湖南耐壓測試儀lk2672</p><p> 深圳市茂迪機電設(shè)備有限公司成立于1995年4月，是廣東省儀器儀表協(xié)會理事單位、深圳市儀器儀表行業(yè)協(xié)會理事單位，深圳市**采購中心定點采購單位。主要由光電事業(yè)部、物體色差部、系統(tǒng)集成部，環(huán)境測試儀器部組成。 </p> <p> 經(jīng)過多年的努力，根據(jù)中國儀器儀表市場的需求及國內(nèi)外儀器儀表行業(yè)的發(fā)展趨勢，我公司從眾多的同類產(chǎn)品中精挑細(xì)選出一些技術(shù)先進(jìn)，質(zhì)量可靠，性價比高的品牌測量儀器推薦給用戶，與日本柯尼卡美能達(dá) Konica Minolta、美國Radiant、雷云光電Rayclouds、德國Instyument Systems、日本托普康Topcon、法國ELDIM、美國藍(lán)菲Labsphere、中國臺灣茂迪、德國GMC-I高美測儀、德國GMC-I KURTH（庫爾特），TESCOM，有著緊密而***的合作聯(lián)系。 </p> <p> </p> <span style="display:none;"></span></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2620733.html</p></div></div></div></div></div><div id="y2ma8ay" class="page-right twoColRt"><div id="wmsawig" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="y8euqwc" 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(yīng)" 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(yīng)</p></a></div><div id="g0uc8i8" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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