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clearfix"><h1>河北絕緣油耐壓測(cè)試儀服務(wù)至上深圳市茂迪機(jī)電設(shè)備供應(yīng)</h1><div id="jx32bts" class="proBig"><div id="uxurjqp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637366435236406250/6364798.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kiph7vm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szmdjd/637366435236406250/6364798.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kyqspwy" 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>河北絕緣油耐壓測(cè)試儀,耐壓測(cè)試儀</p><p><span>***更新：</span>2021-01-02 01:14:05</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="eskh78e" 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="fyvs3sy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oxzrgx2" class="box"><p><p> 交流耐壓測(cè)試儀又叫電氣絕緣強(qiáng)度試驗(yàn)儀或叫介質(zhì)強(qiáng)度測(cè)試儀。將一規(guī)定交流高壓施加在電器帶電部分和非帶電部分(一般為外殼)之間以檢查電器的絕緣材料所能承受耐壓能力的試驗(yàn)。對(duì)絕緣不良的試品來說是一種破壞性試驗(yàn);電器在長(zhǎng)期工作中，河北絕緣油耐壓測(cè)試儀，河北絕緣油耐壓測(cè)試儀，不僅要承受額定工作電壓的作用，河北絕緣油耐壓測(cè)試儀，還要承受操作過程中引起短時(shí)間的高于額定工作電壓的過電壓作用(過電壓值可能會(huì)高于額定工作電壓值的好幾倍)。在這些電壓的作用下，電氣絕緣材料的內(nèi)部結(jié)構(gòu)將發(fā)生變化。 </p> <p> <br /> 匝間耐壓測(cè)試儀那個(gè)品牌好？河北絕緣油耐壓測(cè)試儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北絕緣油耐壓測(cè)試儀,耐壓測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366435236406250/6364798.png"></div><p> </p> <p> 變壓器剛出產(chǎn)時(shí)，沒有經(jīng)過惡劣環(huán)境長(zhǎng)時(shí)間的考驗(yàn)，外施其額定電壓和頻率的電源作試驗(yàn)，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(yàn)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(chǎng)強(qiáng)，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(yàn)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(yàn)所規(guī)定的外施電壓的作用時(shí)間亦可保證絕緣缺陷的擊穿；故感應(yīng)耐壓試驗(yàn)可以可靠地檢測(cè)出變壓器縱絕緣性能的好壞。 </p> <p> 變壓器耐壓測(cè)試儀河北絕緣油耐壓測(cè)試儀進(jìn)口耐壓測(cè)試儀那個(gè)品牌好用？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北絕緣油耐壓測(cè)試儀,耐壓測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434418427734/1362278.png"></div><p style="text-indent:25px">耐壓測(cè)試儀 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。SPWM波形就是把正弦波用等幅不等寬的脈沖代替，脈沖中點(diǎn)與正弦等分中點(diǎn)重合，且與相對(duì)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(jī)產(chǎn)生。本系統(tǒng)采用單片機(jī)ATMEGA16L產(chǎn)生SPWM波，利用單片機(jī)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。</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，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，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 /> 耐壓絕緣測(cè)試國(guó)際標(biāo)準(zhǔn)。</p> <span style="display:none;"></span><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北絕緣油耐壓測(cè)試儀,耐壓測(cè)試儀" src="https://tyunfile.71360.com/UploadFile/szmdjd/637366434262519531/1556040.png"></div><p> 為什么要進(jìn)行耐壓測(cè)試 </p> <p> <br /> </p> <p> 直流測(cè)試，在電子行業(yè)很普遍。每一只元件都要直流測(cè)試，電壓值都不 </p> <p> 同，工作時(shí)不允許超過，否則長(zhǎng)久性損壞。分別按檔次標(biāo)注在產(chǎn)品上（二極 </p> <p> 管、三極管、電容器）。 </p> <p> 交流耐壓測(cè)試，主要是針對(duì)設(shè)備的交流性能所做的測(cè)試。例如電力變壓器。它 </p> <p> 的交流測(cè)試主要目的是衡量其交流阻抗對(duì)性能的影響。 </p> <p> 例如：交流電力電容器和高壓電力電纜線路，主要衡量它的交流損耗值。 </p> <p> 一般的濾波電容器、音頻變壓器、功放機(jī)也都要進(jìn)行交流性能測(cè)試。 </p> <p> 耐壓測(cè)試，只是眾多測(cè)試項(xiàng)目中的一項(xiàng)。根據(jù)測(cè)試目的的不同，選擇合適的測(cè) </p> <p> 試手段和測(cè)試工器具。 </p> <p> <br /> 打印機(jī)一般打多大耐壓？河北絕緣油耐壓測(cè)試儀</p><p style="text-indent:25px">5KV交流耐壓測(cè)試儀那個(gè)品牌的好？河北絕緣油耐壓測(cè)試儀</p><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。河北絕緣油耐壓測(cè)試儀</p><p> 深圳市茂迪機(jī)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(huì)理事單位、深圳市儀器儀表行業(yè)協(xié)會(huì)理事單位，深圳市**采購(gòu)中心定點(diǎn)采購(gòu)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(cè)試儀器部組成。 </p> <p> 經(jīng)過多年的努力，根據(jù)中國(guó)儀器儀表市場(chǎng)的需求及國(guó)內(nèi)外儀器儀表行業(yè)的發(fā)展趨勢(shì)，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(jià)比高的品牌測(cè)量?jī)x器推薦給用戶，與日本柯尼卡美能達(dá) Konica Minolta、美國(guó)Radiant、雷云光電Rayclouds、德國(guó)Instyument Systems、日本托普康Topcon、法國(guó)ELDIM、美國(guó)藍(lán)菲Labsphere、中國(guó)臺(tái)灣茂迪、德國(guó)GMC-I高美測(cè)儀、德國(guó)GMC-I KURTH（庫(kù)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/2662587.html</p></div></div></div></div></div><div id="kspmov8" class="page-right twoColRt"><div id="c2wldap" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="edkxzli" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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