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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>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>湖北電容耐壓測(cè)試儀原理,耐壓測(cè)試儀</p><p><span>***更新：</span>2020-10-16 06:10:37</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="vjvrd8x" 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(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>黃富強(qiáng)</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(jī): </span>0755-83280136</p><p><span>地址: </span>深南大道6006號(hào)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="h8o4ug8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="b734nja" class="box"><p><p> 1、按照調(diào)試規(guī)程或檢驗(yàn)規(guī)程準(zhǔn)備儀器備件，確認(rèn)儀器處于工作正常狀態(tài)。 </p> <p> 2、確認(rèn)工作臺(tái)面整潔，無灰塵、焊錫粒、細(xì)銅絲等雜物； </p> <p> 3、確認(rèn)已做好絕緣防護(hù)，配帶絕緣手套。 </p> <p> 4、連接待測(cè)板件或設(shè)備：首先確定電壓表指示為0，測(cè)試燈熄滅，然后連接好接地線，***接入待測(cè)板件或設(shè)備即可。 </p> <p> 操作： </p> <p> 1、將調(diào)壓旋鈕逆時(shí)針調(diào)到頭，關(guān)掉儀器電源時(shí)控開關(guān)，然后接通電源，湖北電容耐壓測(cè)試儀原理，湖北電容耐壓測(cè)試儀原理，將電源開關(guān)打開，開關(guān)內(nèi)燈應(yīng)亮； </p> <p> 2、根據(jù)調(diào)試或檢驗(yàn)規(guī)程的要求設(shè)置“電壓量程”開關(guān)至所需要的電壓檔，設(shè)置“AC/DC”開關(guān)至所需要的電壓種類。AC為交流檔，湖北電容耐壓測(cè)試儀原理，DC為直流檔； </p> <p> 3、設(shè)置“切斷電流”量值，根據(jù)調(diào)試或檢驗(yàn)規(guī)程對(duì)被測(cè)產(chǎn)品的要求設(shè)置切斷電流量程，選擇測(cè)試電流的調(diào)節(jié)范圍，按下設(shè)置/測(cè)量轉(zhuǎn)換開關(guān)，調(diào)節(jié)電流設(shè)置旋鈕，設(shè)置切斷電流值，然后松開設(shè)置開關(guān)，置測(cè)試位置。 </p> <p> 4、被測(cè)試產(chǎn)品的一端連接與高壓輸出孔，如選擇的電壓為AC，則應(yīng)選用AC高壓輸出孔，如選擇的電壓為DC，則應(yīng)選用DC高壓輸出孔，另一端連接于被測(cè)端（COM）。 </p> <p> 5、按啟動(dòng)開關(guān)，則測(cè)試指示燈亮，順時(shí)針調(diào)節(jié)調(diào)壓旋鈕，輸出測(cè)試電壓逐漸升高，直至調(diào)節(jié)到所需要的電壓值為止。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 綜合安規(guī)測(cè)試儀_耐壓測(cè)試儀。湖北電容耐壓測(cè)試儀原理</p> <span style="display:none;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北電容耐壓測(cè)試儀原理,耐壓測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434358164062/1773580.png"></div><p> 耐壓測(cè)試儀，根據(jù)其作用可稱為電氣絕緣強(qiáng)度試驗(yàn)儀、介質(zhì)強(qiáng)度測(cè)試儀等。其工作原理是：把一個(gè)高于正常工作的電壓加在被測(cè)設(shè)備的絕緣體上，持續(xù)一段規(guī)定的時(shí)間，加在上面的電壓就只會(huì)產(chǎn)生很小的漏電流，則絕緣性較好。程控電源模塊、信號(hào)采集調(diào)理模塊和計(jì)算機(jī)控制系統(tǒng)三個(gè)模塊組成測(cè)試系統(tǒng)。選擇耐壓儀的2個(gè)指標(biāo)：比較大輸出電壓值及比較大報(bào)警電流值的數(shù)值。 </p> <p> 深圳市茂迪機(jī)電設(shè)備有限公司黃富強(qiáng)，專營(yíng)經(jīng)營(yíng)各種進(jìn)口品牌絕緣耐壓測(cè)試儀，HAL 104耐壓測(cè)試儀、HAL 系列綜合安規(guī)測(cè)試儀價(jià)格。湖北電容耐壓測(cè)試儀原理交流耐壓測(cè)試儀進(jìn)口的多少錢？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北電容耐壓測(cè)試儀原理,耐壓測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434940693359/3341505.png"></div><p> 耐壓測(cè)試儀測(cè)試系統(tǒng)有三大模塊：程控電源模塊、信號(hào)采集調(diào)理模塊和計(jì)算機(jī)控制系統(tǒng)。程控電源模塊由輸出位0V~140V的程控電源和高壓變壓器構(gòu)成，在單片機(jī)ADCm842控制下程控電源輸出電壓經(jīng)變壓器升壓可以得到設(shè)定的輸出電壓值。 </p> <p> 模塊設(shè)計(jì)由于在實(shí)際的耐壓測(cè)試中，對(duì)不同產(chǎn)品可能要求施加不同的測(cè)試電壓，這就要求耐壓測(cè)試系統(tǒng)輸出測(cè)試電壓是可調(diào)的。PWM(Pulse Width Modulation)是控制逆變電源以實(shí)現(xiàn)可調(diào)電壓的輸出的主要方法之一。 </p> <p> PWM控制的理論基礎(chǔ)建立在采樣控制理論的一個(gè)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(shí)，其效果基本相同。 </p><p> 絕緣和耐壓區(qū)別 </p> <p> <p> 一般情況下絕緣電阻合格，耐電壓試驗(yàn)也會(huì)通過的。 </p> <p> 但是，轉(zhuǎn)折一下，肯定也會(huì)有特殊情況的。 </p> <p> 因?yàn)槟碗妷涸囼?yàn)產(chǎn)生的高壓一般要大于用電設(shè)備額定電壓的兩倍以上，而絕緣電阻試驗(yàn)時(shí)的電壓值與額定電壓是相近的。而且耐電壓試驗(yàn)為交流電，絕緣電阻試驗(yàn)為直流電。都會(huì)對(duì)其試驗(yàn)結(jié)果有一定的影響。人氏也知道，絕緣兆歐表發(fā)出的是直流電，且因儀表內(nèi)阻的關(guān)系，其實(shí)際輸出的電流很小，但對(duì)耐電壓試驗(yàn)設(shè)備來說，其內(nèi)部是交流變壓器，輸出電壓電流與設(shè)備的容量有關(guān)，如果設(shè)備容量不足，對(duì)被試物進(jìn)行試驗(yàn)時(shí)連需要的電壓都不一定能達(dá)到，所以其輸出的電流還是比較大的，這也是耐電壓試驗(yàn)容易擊穿被試物，而絕緣電阻值非常低的情況下也不會(huì)擊穿被試物的原因。 </p> <p> 另外，你舉的例子偶爾也會(huì)出現(xiàn)，所以正常情況下，耐電壓試驗(yàn)前后都需要進(jìn)行絕緣電阻試驗(yàn)，如果好的絕緣性能，其兩次絕緣電阻結(jié)果基本上差不多，如果絕緣性能差一些，耐電壓試驗(yàn)后的絕緣電阻值會(huì)有降低。這也是驗(yàn)證絕緣性能的一種方法（這種降低會(huì)表明絕緣壽命短）。 </p> 株洲_工頻耐壓測(cè)試儀多少錢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北電容耐壓測(cè)試儀原理,耐壓測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434262519531/1556040.png"></div><p> 匝間耐壓測(cè)試儀，用于線圈或繞組的匝間絕緣性能檢測(cè)。 </p> <p> <p> 主要特點(diǎn)◆ 適用于線圈或繞組的匝間絕緣性能檢測(cè) </p> <p> ◆ 符合標(biāo)準(zhǔn)JB/T9615-2000《交流低壓電機(jī)散嵌繞組匝間絕緣試驗(yàn)方法》 </p> <p> ◆ 采用脈沖波形比較法:將具有規(guī)定峰值和波前時(shí)間的沖擊電壓波，同時(shí)直接施加于同一設(shè)計(jì)的被試品繞組和參照物繞組上，利用沖擊電壓在兩者中引起的衰減振動(dòng)波形有否差異來檢測(cè)電機(jī)繞組匝間絕緣是否良好 </p> <p> 技術(shù)參數(shù)◆ 采用可控硅模塊作為高壓可控開關(guān)器件，提高產(chǎn)品穩(wěn)定性，可靠性 </p> <p> ◆ 脈沖峰值電壓:100V~3000V任意設(shè)置 </p> <p> ◆ 脈沖峰值電壓精度:±5%; </p> <p> ◆ 脈沖重復(fù)周期:0.2S </p> <p> ◆ 脈沖上升時(shí)間:1.2μs </p> <p> ◆ 適用不同參數(shù)的電機(jī)、定子、轉(zhuǎn)子、變壓器、電感等線圈組件測(cè)試 </p> <p> ◆ 采用三個(gè)輸出端子，手/自動(dòng)切換輸出三相脈沖，高壓完全可程式化測(cè)試，具有主相、副相、主副相線圈全自動(dòng)連續(xù)測(cè)試功能 </p> 中山交流耐壓測(cè)試儀供應(yīng)商。廣西耐壓測(cè)試儀使用方法</p><p style="text-indent:25px">深圳哪里有賣耐壓測(cè)試儀的？湖北電容耐壓測(cè)試儀原理</p><p> 耐壓測(cè)試儀程控電壓源采用單向220V工頻交流電經(jīng)過橋式整流獲得直流電壓，經(jīng)過濾波后為逆變電路提供穩(wěn)定的直流電。同時(shí)由單片機(jī)產(chǎn)生的單相SPWM波經(jīng)過非門產(chǎn)生一路和單片機(jī)輸出相位互補(bǔ)的SPWM波，這兩路互補(bǔ)的SPWM波分別經(jīng)過單穩(wěn)電路和隔離驅(qū)動(dòng)電路后就可以產(chǎn)生兩路相位互補(bǔ)的門級(jí)觸發(fā)脈沖序列可以控制的通斷。**終由IGBT構(gòu)成的逆變橋輸出經(jīng)低通濾波可得到標(biāo)準(zhǔn)正弦波，正弦電壓幅值0V~140V可調(diào)。 </p> <p> 測(cè)試系統(tǒng)有三大模塊：程控電源模塊、信號(hào)采集調(diào)理模塊和計(jì)算機(jī)控制系統(tǒng)。程控電源模塊湖北電容耐壓測(cè)試儀原理</p><p style="text-indent:25px">深圳市茂迪機(jī)電設(shè)備有限公司位于深南大道6006號(hào)華豐大廈2803、2804，擁有一支專業(yè)的技術(shù)團(tuán)隊(duì)。德國(guó)GMC-I高美測(cè)儀,柯尼卡美能達(dá),雷云光電,TESCOM是深圳市茂迪機(jī)電設(shè)備有限公司的主營(yíng)品牌，是專業(yè)的一般經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的購(gòu)銷、技術(shù)維護(hù)、信息咨詢；國(guó)內(nèi)貿(mào)易；貨物與技術(shù)的進(jìn)出口業(yè)務(wù)。（法律、行政法規(guī)、國(guó)**決定禁止的項(xiàng)目除外，限制的項(xiàng)目須取得許可后方可經(jīng)營(yíng)），許可經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的安裝、維修。公司，擁有自己**的技術(shù)體系。公司以用心服務(wù)為重點(diǎn)價(jià)值，希望通過我們的專業(yè)水平和不懈努力，將一般經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的購(gòu)銷、技術(shù)維護(hù)、信息咨詢；國(guó)內(nèi)貿(mào)易；貨物與技術(shù)的進(jìn)出口業(yè)務(wù)。（法律、行政法規(guī)、國(guó)**決定禁止的項(xiàng)目除外，限制的項(xiàng)目須取得許可后方可經(jīng)營(yíng)），許可經(jīng)營(yíng)項(xiàng)目是：儀器儀表、通訊器材、機(jī)械設(shè)備、五金工具的安裝、維修。等業(yè)務(wù)進(jìn)行到底。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的電能質(zhì)量分析儀，功率分析儀，亮度計(jì)，色差儀。</p></p><br /><p>文章來源地址: 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title="六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label 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