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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kmdauwd" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/9/15/637062304484433368_hapn_4800649.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mwyqh2u" 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>江西絕緣手套檢測哪家好</p><p><span>***更新：</span>2020-06-04 05:03:15</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="et8dv7n" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">淮安沛能電力技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>蔡國義</p><p><span>郵箱: </span>271858583@qq.com</p><p><span>電話: </span>13236268898</p><p><span>傳真: </span>0517_84333338</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0517-84333338</p><p><span>地址: </span>淮安市淮陰區(qū)九江路56號</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="cwovsub" class="page-proshow02"><p class="title">詳細說明</p><div id="kz3a3r9" class="box"><p><p> 電源變壓器是用電磁感應(yīng)原理工作的，變壓器有兩組線圈。初級線圈和次級線圈。次級線圈在初級線圈外邊。當初級線圈通上交流電時，變壓器鐵芯產(chǎn)生交變磁場，次級線圈就產(chǎn)生感應(yīng)電動勢。變壓器的線圈的匝數(shù)比等于電壓比。例如：初級線圈是500匝，次級線圈是250匝，初級通上220V交流電，次級電壓就是110V。 </p> <p> <br /> </p> <p> <br /> </p> <p> 它的好壞辨認檢測辦法有： </p> <p> <br /> </p> <p> <br /> </p> <p> 1、絕緣性檢測， </p> <p> <br /> </p> <p> <br /> </p> <p> 用萬用表檢測鐵芯與初級，各次級，線圈之間的電阻應(yīng)為無量大，否則已壞。 </p> <p> <br /> </p> <p> 2、檢測線圈通斷 </p> <p> <br /> </p> <p> <br /> </p> <p> 用萬用表丈量各級電阻值，初級、次級各個線圈的電阻值為：初級幾十歐到幾百歐，次級幾歐到幾十歐。若為無量大，江西絕緣手套檢測哪家好，則闡明該線圈損壞，江西絕緣手套檢測哪家好。 </p> <p> <br /> </p> <p> 3、用萬用表丈量電壓，初級電壓高(220V)線粗，次級電壓低(5V，江西絕緣手套檢測哪家好,12V)線細，都是交流電。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西絕緣手套檢測哪家好" src="http://tyunfile.71360.com/UpLoadFile/2019/10/9/15/637062304484433368_hapn_4800649.jpg"></div><p> 工頻交流耐壓實驗安裝（又稱串聯(lián)諧振，變頻串聯(lián)諧振，串聯(lián)諧振安裝，串聯(lián)諧振耐壓實驗設(shè)備，交流耐壓實驗安裝）是比較新一代特地用于容性試品交流耐壓實驗的設(shè)備。該產(chǎn)品操作簡單，質(zhì)量牢靠，體積小，重量輕，十分便當現(xiàn)場運用。該設(shè)備可用于 </p> <p> 1、6kV-500kV高壓交聯(lián)電纜的交流耐壓實驗 </p> <p> 2、發(fā)電機的交流耐壓實驗 </p> <p> 3、GIS和SF6開關(guān) 的交流耐壓實驗 </p> <p> 4、6kV-500kV變壓器的工頻耐壓實驗 </p> <p> 5、其它電力高壓設(shè)備如母線，套管，互感器的交流耐壓實驗。 </p> <p> 該成套設(shè)備由變頻電源、勵磁變壓器、電抗器、分壓器組成。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西絕緣手套檢測哪家好" src="http://tyunfile.71360.com/UpLoadFile/2019/10/9/15/637062304501422108_hapn_4512105.jpg"></div><p style="text-indent:25px">超高頻檢測法變壓器在發(fā)作局部放電時都會呈現(xiàn)正負電荷中和的現(xiàn)象，而且隨同這一現(xiàn)象都會構(gòu)成一個陡的電流脈沖向四周輻射電磁波。該辦法首要是經(jīng)過對變壓器內(nèi)部產(chǎn)生局部放電時所發(fā)射的超高頻電磁波中止接納，從而抵達對局部放電的定位和檢測。這種檢測辦法的首要優(yōu)點是丈量頻率比擬高、檢測頻率范圍可以調(diào)理、抗電磁波干擾性能強、靈活度較高。射頻檢測法該辦法首要是經(jīng)過應(yīng)用電流互感線圈從變壓器的中性點中止丈量獲取信號，丈量的信號頻率通常能夠抵達3 萬kHz，從很大水平進步了局部放電的丈量頻率。首要優(yōu)點是射頻檢測體系裝置便利，檢測設(shè)備不會改動變壓器的運轉(zhuǎn)辦法；其缺點是由于射頻檢測只能對單一的信號中止分辯，無法精確的判別三相變壓器局部放電信號的總和，因而，不適合三相變壓器的局部放電檢測。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西絕緣手套檢測哪家好" src="http://tyunfile.71360.com/UploadFile/hapn/637146107412460937/5319945.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/138889.html</p></div></div></div></div></div><div id="n88oqxz" class="page-right twoColRt"><div id="ejbtvh3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="utf27dc" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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