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決定變頻串聯諧振設備配置參數的因素

在(zai)工頻條件下，由于(yu)被試(shi)(shi)品(pin)電(dian)(dian)(dian)容(rong)量較(jiao)大(da)，或者(zhe)試(shi)(shi)驗(yan)電(dian)(dian)(dian)壓(ya)(ya)要求(qiu)較(jiao)高(gao)，對試(shi)(shi)驗(yan)裝(zhuang)置的電(dian)(dian)(dian)源容(rong)量相(xiang)應的也有較(jiao)高(gao)的要求(qiu)，傳統的工頻耐(nai)(nai)壓(ya)(ya)裝(zhuang)置往往單件體積大(da)，重量重，不(bu)便(bian)于(yu)現場搬運，而且(qie)不(bu)便(bian)于(yu)任意組合，靈活性(xing)較(jiao)差。目前，比較(jiao)好的方法(fa)是(shi)采用(yong)變(bian)頻串聯(lian)諧(xie)振的方法(fa)進行耐(nai)(nai)壓(ya)(ya)試(shi)(shi)驗(yan)。變(bian)頻串聯(lian)諧(xie)振設(she)備采用(yong)多(duo)級疊加的方式(shi)，多(duo)臺電(dian)(dian)(dian)抗器可(ke)并聯(lian)、串聯(lian)使(shi)用(yong)，分壓(ya)(ya)器既用(yong)來(lai)測量試(shi)(shi)驗(yan)電(dian)(dian)(dian)壓(ya)(ya)，也可(ke)以(yi)作為小電(dian)(dian)(dian)容(rong)量試(shi)(shi)品(pin)的補償電(dian)(dian)(dian)容(rong)，使(shi)得諧(xie)振頻率(lv)可(ke)以(yi)在(zai)30～300Hz范圍(wei)內完成多(duo)種(zhong)電(dian)(dian)(dian)力設(she)備的交(jiao)流(liu)耐(nai)(nai)壓(ya)(ya)試(shi)(shi)驗(yan)。諧(xie)振電(dian)(dian)(dian)壓(ya)(ya)等級和容(rong)量取決(jue)于(yu)試(shi)(shi)品(pin)的電(dian)(dian)(dian)容(rong)量C...

電纜交流耐壓成套試驗裝置主要功能及其技術特點

電(dian)(dian)(dian)纜(lan)交流耐壓(ya)(ya)成套試(shi)(shi)(shi)驗(yan)裝(zhuang)置是根據國家新電(dian)(dian)(dian)力(li)行(xing)業(ye)標準而設(she)計的(de)、性(xing)能先進(jin)的(de)耐壓(ya)(ya)試(shi)(shi)(shi)驗(yan)設(she)備，用于(yu)對各種電(dian)(dian)(dian)器產品(pin)、電(dian)(dian)(dian)氣元件、絕(jue)緣材料等(deng)進(jin)行(xing)規定電(dian)(dian)(dian)壓(ya)(ya)下(xia)的(de)絕(jue)緣強度試(shi)(shi)(shi)驗(yan)，以考核產品(pin)的(de)絕(jue)緣水平，發現被(bei)試(shi)(shi)(shi)品(pin)的(de)絕(jue)緣缺陷，衡量過電(dian)(dian)(dian)壓(ya)(ya)的(de)能力(li)。采用了調節電(dian)(dian)(dian)源的(de)頻率的(de)方式(shi)，使得(de)(de)電(dian)(dian)(dian)抗器與被(bei)試(shi)(shi)(shi)電(dian)(dian)(dian)容器實現諧(xie)振(zhen)，在被(bei)試(shi)(shi)(shi)品(pin)上(shang)獲(huo)得(de)(de)高電(dian)(dian)(dian)壓(ya)(ya)大(da)電(dian)(dian)(dian)流，是當前高電(dian)(dian)(dian)壓(ya)(ya)試(shi)(shi)(shi)驗(yan)的(de)一種新的(de)方法(fa)和潮流，在國內外已經(jing)得(de)(de)到廣(guang)泛的(de)應(ying)用。應(ying)用于(yu)電(dian)(dian)(dian)力(li)、冶(ye)金、石油、化工等(deng)行(xing)業(ye)，適用于(yu)大(da)容量的(de)電(dian)(dian)(dian)容性(xing)試(shi)(shi)(shi)品(pin)，如(ru)發電(dian)(dian)(dian)機、電(dian)(dian)(dian)力(li)變壓(ya)(ya)器、高壓(ya)(ya)交聯電(dian)(dian)(dian)纜(lan)等(deng)的(de)交接試(shi)(shi)(shi)驗(yan)及預...

串聯諧振耐壓儀有什么組成

串(chuan)(chuan)聯諧振(zhen)耐(nai)壓(ya)儀采用多(duo)級疊加的(de)方式，多(duo)臺(tai)電(dian)(dian)(dian)抗器(qi)可并聯、串(chuan)(chuan)聯使用，分(fen)壓(ya)器(qi)既用來(lai)測量試(shi)驗電(dian)(dian)(dian)壓(ya)，也(ye)可以(yi)作為小電(dian)(dian)(dian)容(rong)量試(shi)品的(de)補償電(dian)(dian)(dian)容(rong)，使得諧振(zhen)頻(pin)率可以(yi)在30～300Hz范圍內完成(cheng)多(duo)種電(dian)(dian)(dian)力(li)設備（如電(dian)(dian)(dian)纜、變(bian)壓(ya)器(qi)、GIS開(kai)關、SF6開(kai)關、電(dian)(dian)(dian)動機、發電(dian)(dian)(dian)機、母線、套管、互感器(qi)等）的(de)交流(liu)耐(nai)壓(ya)試(shi)驗。串(chuan)(chuan)聯諧振(zhen)耐(nai)壓(ya)儀主要由變(bian)頻(pin)控制(zhi)電(dian)(dian)(dian)源、勵(li)磁變(bian)壓(ya)器(qi)、電(dian)(dian)(dian)抗器(qi)、電(dian)(dian)(dian)容(rong)分(fen)壓(ya)器(qi)和(he)補償電(dian)(dian)(dian)容(rong)器(qi)組成(cheng)。各部件分(fen)別介(jie)紹(shao)如下(xia)：1、變(bian)頻(pin)控制(zhi)電(dian)(dian)(dian)源：是將市電(dian)(dian)(dian)中的(de)交流(liu)電(dian)(dian)(dian)經過AC→DC→AC變(bian)換(huan)，輸出為純(chun)凈的(de)正(zheng)弦波(bo)，輸出頻(pin)率和(he)電(dian)(dian)(dian)壓(ya)一定范圍...

真空泵遇到排氣口冒煙和噴油、漏油的情況怎么辦

電力承(cheng)裝承(cheng)修試真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)具(ju)有啟動(dong)快、抽(chou)速大、性能穩定、操作(zuo)簡便(bian)等特點。特別方便(bian)用于變壓器(qi)或電力設(she)備抽(chou)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)、真(zhen)(zhen)(zhen)空(kong)(kong)(kong)注(zhu)油(you)、真(zhen)(zhen)(zhen)空(kong)(kong)(kong)干燥等。本機(ji)組按需要，可配置進(jin)(jin)口真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)或進(jin)(jin)口羅茨泵(beng)(beng)。本機(ji)組采用羅茨泵(beng)(beng)作(zuo)為(wei)(wei)主泵(beng)(beng)，以旋片(pian)式真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)作(zuo)為(wei)(wei)前級泵(beng)(beng)。在本機(ji)組的(de)進(jin)(jin)氣(qi)口處可安裝真(zhen)(zhen)(zhen)空(kong)(kong)(kong)表(biao)，以便(bian)準(zhun)確地觀察與(yu)控制被抽(chou)容器(qi)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)度。在使(shi)用中會遇(yu)到排(pai)(pai)氣(qi)口冒煙(yan)和噴(pen)油(you)、漏油(you)這樣的(de)情況(kuang)(kuang)，應該怎么辦呢(ni)？讓我(wo)們(men)一起來(lai)看看。排(pai)(pai)氣(qi)口冒煙(yan)一定是(shi)排(pai)(pai)氣(qi)過(guo)(guo)濾(lv)器(qi)堵塞。真(zhen)(zhen)(zhen)空(kong)(kong)(kong)泵(beng)(beng)排(pai)(pai)氣(qi)過(guo)(guo)濾(lv)器(qi)是(shi)用來(lai)分離氣(qi)體(ti)和油(you)的(de)，我(wo)們(men)稱為(wei)(wei)油(you)霧。正常情況(kuang)(kuang)下，油(you)霧經排(pai)(pai)氣(qi)過(guo)(guo)濾(lv)器(qi)...

變壓器試驗設備的原理是什么

在(zai)工頻(pin)條(tiao)件下，由于(yu)被試(shi)(shi)品(pin)(pin)電(dian)(dian)容量較(jiao)大，或(huo)者試(shi)(shi)驗(yan)電(dian)(dian)壓(ya)要(yao)求(qiu)較(jiao)高，對試(shi)(shi)驗(yan)裝置的(de)電(dian)(dian)源容量相應的(de)也有較(jiao)高的(de)要(yao)求(qiu)，傳統(tong)(tong)的(de)工頻(pin)耐壓(ya)裝置（交流(liu)耐壓(ya)試(shi)(shi)驗(yan)變(bian)壓(ya)器(qi)）往往單件體積大，重(zhong)量重(zhong)，不便(bian)(bian)于(yu)現場搬運，而且不便(bian)(bian)于(yu)任意(yi)組合，靈活性(xing)較(jiao)差。相比(bi)，變(bian)壓(ya)器(qi)試(shi)(shi)驗(yan)設備(bei)體積小(xiao)，重(zhong)量輕，易(yi)搬動，而且是(shi)分件式設計，便(bian)(bian)于(yu)根據現場需求(qiu)靈活配置電(dian)(dian)抗器(qi)的(de)個(ge)數(shu)，大大降低了勞動強度，提(ti)高工作效率(lv)。在(zai)回路頻(pin)率(lv)f=1/2π√LC時(shi)，回路產生諧(xie)振，此時(shi)試(shi)(shi)品(pin)(pin)上(shang)的(de)電(dian)(dian)壓(ya)是(shi)勵磁變(bian)高壓(ya)端輸出電(dian)(dian)壓(ya)的(de)Q倍。Q為系統(tong)(tong)品(pin)(pin)質(zhi)因素(su)，即電(dian)(dian)壓(ya)諧(xie)振倍數(shu)，一般為幾(ji)...

您了解工頻耐壓試驗裝置的這些參數數據嗎

工頻耐壓(ya)(ya)試驗(yan)裝置能檢查(cha)出那些危險性(xing)較大的(de)(de)集(ji)中(zhong)缺點，對判斷電(dian)力(li)設(she)備能否繼續參加運(yun)行(xing)具有(you)決定(ding)性(xing)作(zuo)用(yong)，是保證設(she)備絕(jue)(jue)緣(yuan)(yuan)水(shui)平、避免發(fa)生絕(jue)(jue)緣(yuan)(yuan)事故的(de)(de)重要手段。用(yong)于對各種(zhong)電(dian)器產(chan)品(pin)(pin)、電(dian)氣元(yuan)件、絕(jue)(jue)緣(yuan)(yuan)材料等進(jin)行(xing)規定(ding)電(dian)壓(ya)(ya)下(xia)的(de)(de)絕(jue)(jue)緣(yuan)(yuan)強度試驗(yan)，以考核產(chan)品(pin)(pin)的(de)(de)絕(jue)(jue)緣(yuan)(yuan)水(shui)平，發(fa)現(xian)被試品(pin)(pin)的(de)(de)絕(jue)(jue)緣(yuan)(yuan)缺點，衡量過電(dian)壓(ya)(ya)的(de)(de)能力(li)。由(you)于是交直(zhi)流(liu)兩用(yong)高(gao)壓(ya)(ya)試驗(yan)變壓(ya)(ya)器，應把高(gao)壓(ya)(ya)硅堆短路桿從(cong)套管中(zhong)抽出，使(shi)試驗(yan)變壓(ya)(ya)器為直(zhi)流(liu)輸(shu)出狀態。做直(zhi)流(liu)泄漏試驗(yan)前，先根據泄漏試驗(yan)中(zhong)輸(shu)出端斷路電(dian)流(liu)不超過高(gao)壓(ya)(ya)硅堆的(de)(de)整流(liu)為宜(yi)，選(xuan)擇好限流(liu)電(dian)阻(zu)（水(shui)電(dian)阻(zu)）的(de)(de)阻(zu)值，再根據...

說說變頻串聯諧振試驗成套裝置的的功能特點

對(dui)于任何(he)一(yi)(yi)個電(dian)(dian)抗器(qi)（其電(dian)(dian)感為(wei)L）和(he)電(dian)(dian)容(rong)器(qi)（其電(dian)(dian)容(rong)為(wei)C）組成(cheng)的(de)(de)串聯(lian)(lian)LC諧(xie)振(zhen)電(dian)(dian)路(lu)而言，他都有一(yi)(yi)個固定的(de)(de)頻率f=1/2π根號LC，當(dang)外加電(dian)(dian)源(yuan)信(xin)號的(de)(de)頻率等(deng)于這個頻率時(shi)(shi)，該電(dian)(dian)路(lu)將發生諧(xie)振(zhen)。諧(xie)振(zhen)時(shi)(shi)，電(dian)(dian)感上(shang)及電(dian)(dian)容(rong)上(shang)獲得的(de)(de)電(dian)(dian)壓zui大，而大多數的(de)(de)被試品(pin)都可以等(deng)效成(cheng)一(yi)(yi)個電(dian)(dian)容(rong)器(qi)。基于這一(yi)(yi)思想，在(zai)串聯(lian)(lian)諧(xie)振(zhen)電(dian)(dian)路(lu)前提供一(yi)(yi)個調(diao)節(jie)頻率又可調(diao)節(jie)電(dian)(dian)壓的(de)(de)變頻變壓電(dian)(dian)源(yuan)，在(zai)電(dian)(dian)容(rong)兩端(duan)并聯(lian)(lian)一(yi)(yi)個分壓器(qi)作測(ce)量及反饋之用，這樣(yang)就(jiu)可構(gou)成(cheng)該套(tao)(tao)裝置。變頻串聯(lian)(lian)諧(xie)振(zhen)試驗(yan)成(cheng)套(tao)(tao)裝置利用高壓試驗(yan)回路(lu)發生串聯(lian)(lian)諧(xie)振(zhen)后所具備(bei)的(de)(de)特(te)點，廣(guang)泛(fan)用于電(dian)(dian)力、...

空氣干燥發生器性能穩定可靠，如何使用呢

空(kong)(kong)(kong)氣(qi)(qi)(qi)干燥(zao)發(fa)生器是(shi)由氣(qi)(qi)(qi)源(yuan)系(xi)(xi)統、冷(leng)凍(dong)干燥(zao)系(xi)(xi)統、吸附干燥(zao)系(xi)(xi)統和(he)電氣(qi)(qi)(qi)控制系(xi)(xi)統四部分(fen)組(zu)(zu)成(cheng)(cheng)的移動式(shi)(shi)、風冷(leng)式(shi)(shi)高純氣(qi)(qi)(qi)體發(fa)生裝置。氣(qi)(qi)(qi)源(yuan)系(xi)(xi)統組(zu)(zu)成(cheng)(cheng)由空(kong)(kong)(kong)氣(qi)(qi)(qi)粉(fen)塵過濾器、全無油式(shi)(shi)空(kong)(kong)(kong)氣(qi)(qi)(qi)壓縮(suo)機(ji)組(zu)(zu)、氣(qi)(qi)(qi)水(shui)分(fen)離(li)器和(he)過濾器組(zu)(zu)成(cheng)(cheng)，輸(shu)出(chu)(chu)潔凈無油的氣(qi)(qi)(qi)體。冷(leng)凍(dong)干燥(zao)系(xi)(xi)統主要采用進口全封閉式(shi)(shi)高溫壓縮(suo)制冷(leng)機(ji)組(zu)(zu)，性能穩(wen)定可靠，可以(yi)獲得更大的制冷(leng)量。系(xi)(xi)統配(pei)置采用進口全封閉式(shi)(shi)壓縮(suo)機(ji)組(zu)(zu)、空(kong)(kong)(kong)氣(qi)(qi)(qi)換(huan)熱器、蒸發(fa)器、氣(qi)(qi)(qi)水(shui)分(fen)離(li)器、精(jing)過濾器。使用方法：1、把(ba)儀器從包裝箱中取出(chu)(chu)時，請核對(dui)配(pei)件及保修卡是(shi)否齊全。2、檢查(cha)儀器外觀及內部有無由于(yu)運輸(shu)造成(cheng)(cheng)嚴重損...

變壓器耐壓設備的試驗注意事項

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