發(fa)布(bu)時(shi)間:2023-12-24 10:35:44瀏覽(lan)次數:337
電(dian)纜(lan)故障(zhang)測試儀-高壓開關(斷(duan)路器)機械特性測試儀-專注(zhu)于(yu)電(dian)力(li)試驗設備研發! 咨詢電(dian)話:130-3714-0838
六相繼電(dian)保(bao)護(hu)(hu)測(ce)(ce)試(shi)儀(yi)(yi)用于全面精(jing)確(que)地測(ce)(ce)試(shi)電(dian)力系(xi)統中的(de)繼電(dian)保(bao)護(hu)(hu)裝置,模擬各種故(gu)障條件,確(que)保(bao)電(dian)力系(xi)統的(de)安全穩定運行。武漢龍(long)電(dian)電(dian)氣研(yan)發(fa)生產的(de)LDJB - 1300 六相繼電(dian)保(bao)護(hu)(hu)測(ce)(ce)試(shi)儀(yi)(yi)具備豐(feng)富多樣的(de)試(shi)驗(yan)功能,可全面滿足電(dian)力系(xi)統中繼電(dian)保(bao)護(hu)(hu)裝置的(de)測(ce)(ce)試(shi)需求,以下(xia)是(shi)其主要試(shi)驗(yan)項(xiang)目:
◆ 交(jiao)流(liu)(liu)(liu)試(shi)(shi)驗(yan)(yan):能靈活(huo)控制(zhi)輸(shu)出 4 相(xiang)電(dian)(dian)(dian)(dian)壓(ya)(ya) 3 相(xiang)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)、6 相(xiang)電(dian)(dian)(dian)(dian)壓(ya)(ya)、6 相(xiang)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)或 12 相(xiang)同時輸(shu)出,用于測試(shi)(shi)各(ge)種電(dian)(dian)(dian)(dian)壓(ya)(ya)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)保(bao)(bao)(bao)護(hu)的動(dong)作值(zhi)(zhi)、返(fan)(fan)回(hui)值(zhi)(zhi)、動(dong)作時間和返(fan)(fan)回(hui)時間等。可(ke)設置序(xu)分量輸(shu)出,自動(dong)組合各(ge)相(xiang)電(dian)(dian)(dian)(dian)壓(ya)(ya)、電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)輸(shu)出,還(huan)能進行短路計算,模擬復(fu)雜故(gu)障,適用于變壓(ya)(ya)器(qi)(qi)復(fu)合電(dian)(dian)(dian)(dian)壓(ya)(ya)閉鎖(方(fang)向)過流(liu)(liu)(liu)保(bao)(bao)(bao)護(hu)、距離保(bao)(bao)(bao)護(hu)、零序(xu)保(bao)(bao)(bao)護(hu)等測試(shi)(shi),也可(ke)校驗(yan)(yan)繼電(dian)(dian)(dian)(dian)器(qi)(qi)如(ru)交(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)壓(ya)(ya) / 電(dian)(dian)(dian)(dian)流(liu)(liu)(liu) / 反時限電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)繼電(dian)(dian)(dian)(dian)器(qi)(qi)、功率繼電(dian)(dian)(dian)(dian)器(qi)(qi)、阻(zu)抗繼電(dian)(dian)(dian)(dian)器(qi)(qi)等。
◆ 直(zhi)(zhi)流(liu)(liu)試(shi)驗:提供專(zhuan)門的直(zhi)(zhi)流(liu)(liu)電(dian)(dian)壓和電(dian)(dian)流(liu)(liu)輸出(chu),滿足直(zhi)(zhi)流(liu)(liu)電(dian)(dian)壓繼電(dian)(dian)器、時(shi)間(jian)繼電(dian)(dian)器、中間(jian)繼電(dian)(dian)器等試(shi)驗要(yao)求,可測(ce)試(shi)動作值、返(fan)回值和動作時(shi)間(jian),設有獨立的大(da)功率直(zhi)(zhi)流(liu)(liu)輸出(chu)電(dian)(dian)源(yuan),可為保護提供直(zhi)(zhi)流(liu)(liu)電(dian)(dian)源(yuan)。
◆ 諧(xie)(xie)波(bo)(bo)(bo)(bo)(bo)疊(die)(die)加試(shi)驗:實現(xian)三相電壓、電流的各次(ci)諧(xie)(xie)波(bo)(bo)(bo)(bo)(bo)分量(liang)疊(die)(die)加輸出,用于測試(shi)設(she)備在諧(xie)(xie)波(bo)(bo)(bo)(bo)(bo)情(qing)況下的工作行為,如校驗差(cha)動(dong)(dong)(dong)諧(xie)(xie)波(bo)(bo)(bo)(bo)(bo)制(zhi)動(dong)(dong)(dong)系(xi)數(shu),可測量(liang)動(dong)(dong)(dong)作值、返(fan)(fan)回(hui)值以(yi)及動(dong)(dong)(dong)作時(shi)間、返(fan)(fan)回(hui)時(shi)間,諧(xie)(xie)波(bo)(bo)(bo)(bo)(bo)數(shu)據可按(an)幅值或基波(bo)(bo)(bo)(bo)(bo)百(bai)分比(bi)顯示,變量(liang)參數(shu)可靈活設(she)置。
◆ 頻率(lv)及高低(di)周(zhou)(zhou)試(shi)驗:測試(shi)低(di)周(zhou)(zhou)減載和高周(zhou)(zhou)切機等保護功能,包括動作頻率(lv)、動作時間、df/dt 閉(bi)鎖、dv/dt 閉(bi)鎖、低(di)電壓閉(bi)鎖、低(di)電流(liu)閉(bi)鎖等測試(shi)項目,頻率(lv)可(ke)下滑(hua)或(huo)上(shang)滑(hua)進行試(shi)驗,各測試(shi)項目有相應的參數設(she)置和測試(shi)方法,能準確測試(shi)保護性能。
◆ 功(gong)率(lv)(lv)(lv)方(fang)向(xiang)及阻(zu)抗(kang)(kang)試(shi)驗:測試(shi)與 “方(fang)向(xiang)” 有關的保(bao)(bao)護,如(ru)功(gong)率(lv)(lv)(lv)方(fang)向(xiang)保(bao)(bao)護、負序功(gong)率(lv)(lv)(lv)方(fang)向(xiang)、零序功(gong)率(lv)(lv)(lv)方(fang)向(xiang)、相(xiang)間(jian)功(gong)率(lv)(lv)(lv)方(fang)向(xiang)、逆功(gong)率(lv)(lv)(lv)方(fang)向(xiang)、相(xiang)間(jian)阻(zu)抗(kang)(kang)和(he)接地阻(zu)抗(kang)(kang)等,可測邊(bian)界、電(dian)流、電(dian)壓、動(dong)(dong)(dong)作時(shi)間(jian)和(he)阻(zu)抗(kang)(kang),能(neng)自動(dong)(dong)(dong)繪(hui)出動(dong)(dong)(dong)作邊(bian)界和(he)最大(da)靈敏角,軟件(jian)引入(ru) “突變量啟動(dong)(dong)(dong)” 選項,支持兩種示圖方(fang)式(shi)。
◆ 同(tong)(tong)期試驗:用于(yu)準同(tong)(tong)期裝置(zhi)測(ce)試和線路檢(jian)同(tong)(tong)期、檢(jian)無壓的同(tong)(tong)期重合閘保護(hu),能(neng)測(ce)試同(tong)(tong)期各(ge)項動(dong)作值、電壓閉鎖值、頻(pin)率閉鎖值、導前角及導前時間、調壓脈寬、調頻(pin)脈寬,可進行自(zi)動(dong)調整(zheng)試驗,測(ce)試項目(mu)參數設置(zhi)詳細,能(neng)自(zi)動(dong)或(huo)手動(dong)調整(zheng)變(bian)量輸出。
◆ 整組試(shi)(shi)驗(yan)(yan) Ⅰ 和(he) Ⅱ:相當于繼電(dian)(dian)保(bao)護(hu)(hu)裝(zhuang)置的(de)靜模試(shi)(shi)驗(yan)(yan),模擬各種瞬(shun)時、永久(jiu)性(xing)單相接地(di)、相間短路或轉換(huan)性(xing)故(gu)(gu)障,校驗(yan)(yan)距離(li)、零序保(bao)護(hu)(hu)裝(zhuang)置及(ji)重合閘的(de)動作,可測試(shi)(shi)在(zai)有(無)檢同期和(he)檢無壓條件(jian)下重合閘及(ji)后加(jia)速動作情況,模擬轉換(huan)性(xing)故(gu)(gu)障和(he)反方向故(gu)(gu)障,整組試(shi)(shi)驗(yan)(yan) Ⅱ 可按故(gu)(gu)障電(dian)(dian)壓和(he)電(dian)(dian)流(liu)進行試(shi)(shi)驗(yan)(yan),適用于零序保(bao)護(hu)(hu)或 35KV 線路保(bao)護(hu)(hu)。
◆ 阻抗(kang)特(te)性測試:搜(sou)(sou)(sou)索(suo)(suo)(suo)(suo)距(ju)離保護的(de)阻抗(kang)動(dong)(dong)作邊(bian)界(jie),可搜(sou)(sou)(sou)索(suo)(suo)(suo)(suo)圓(yuan)、多邊(bian)形等各種(zhong)特(te)性的(de)阻抗(kang)動(dong)(dong)作邊(bian)界(jie),提供 “單向搜(sou)(sou)(sou)索(suo)(suo)(suo)(suo)” 和 “雙向搜(sou)(sou)(sou)索(suo)(suo)(suo)(suo)” 兩(liang)種(zhong)方式,能自動(dong)(dong)設定搜(sou)(sou)(sou)索(suo)(suo)(suo)(suo)線(xian)參數,測試項目包括搜(sou)(sou)(sou)索(suo)(suo)(suo)(suo)阻抗(kang)邊(bian)界(jie)、Z(I)特(te)性曲(qu)(qu)線(xian)、Z(V)特(te)性曲(qu)(qu)線(xian),需設置故障類型、計算模型、搜(sou)(sou)(sou)索(suo)(suo)(suo)(suo)方式等參數。
線(xian)路保(bao)護(hu)定(ding)值(zhi)校(xiao)驗(yan):匯集多(duo)個測(ce)試(shi)項目,如阻(zu)(zu)抗(kang)(kang)定(ding)值(zhi)校(xiao)驗(yan)、零(ling)序電(dian)(dian)流(liu)定(ding)值(zhi)校(xiao)驗(yan)、負序電(dian)(dian)流(liu)定(ding)值(zhi)校(xiao)驗(yan)、z/t 動作(zuo)階梯、自動重合閘及(ji)后加速(su)、非全相(xiang)零(ling)序保(bao)護(hu)定(ding)值(zhi)校(xiao)驗(yan)、工(gong)頻(pin)變(bian)化量阻(zu)(zu)抗(kang)(kang)元件定(ding)值(zhi)校(xiao)驗(yan)、最大靈敏(min)角測(ce)試(shi)等,可(ke)校(xiao)驗(yan)檢(jian)同期重合閘、非全相(xiang)、工(gong)頻(pin)變(bian)化量阻(zu)(zu)抗(kang)(kang)等復雜保(bao)護(hu)功(gong)能(neng),測(ce)試(shi)時需注意及(ji)時投退軟壓板(ban),設置零(ling)序補償系數、故障觸發方(fang)式、PT 和 CT 安裝(zhuang)位置等參數。
◆ 差動(dong)保護(hu):測試變壓器、發(fa)電機(ji)及(ji)(ji)電動(dong)機(ji)差動(dong)保護(hu)的比率制動(dong)特(te)性(xing)、諧(xie)波制動(dong)特(te)性(xing)和(he)(he)動(dong)作(zuo)時間特(te)性(xing)等,可自動(dong)搜(sou)索(suo)比例制動(dong)和(he)(he)諧(xie)波制動(dong)特(te)性(xing)曲線,設(she)置多種測試項目、方(fang)(fang)式(shi)(shi)和(he)(he)參數,包括接(jie)線方(fang)(fang)式(shi)(shi)、平衡系數設(she)置方(fang)(fang)式(shi)(shi)、相位調整方(fang)(fang)式(shi)(shi)等,試驗(yan)指導中(zhong)詳細說明(ming)了六(liu)路(lu)和(he)(he)三路(lu)電流(liu)差動(dong)的接(jie)線方(fang)(fang)法,以及(ji)(ji)常用(yong)微機(ji)差動(dong)保護(hu)的參數設(she)置。
◆ 差(cha)(cha)動定(ding)(ding)值(zhi)測(ce)試(shi)(shi):補充 “差(cha)(cha)動保護” 模塊,側(ce)重各項定(ding)(ding)值(zhi)的測(ce)試(shi)(shi)與校驗,能自(zi)(zi)動測(ce)試(shi)(shi)和校驗變壓器微機差(cha)(cha)動保護的各項定(ding)(ding)值(zhi),如差(cha)(cha)動門檻值(zhi)、比率制(zhi)動系(xi)數、諧波制(zhi)動系(xi)數、差(cha)(cha)動速(su)斷值(zhi)等(deng),測(ce)試(shi)(shi)方(fang)式有(you)三路和六路電流(liu)差(cha)(cha)動,需設置保護參(can)數、計(ji)算公式等(deng),測(ce)試(shi)(shi)過程中(zhong)軟件自(zi)(zi)動計(ji)算或人工判(pan)斷結果。
◆ 差(cha)動(dong)諧波(bo)(bo)(bo)測試(shi)(shi)(shi):用于(yu)測試(shi)(shi)(shi)差(cha)動(dong)保護(hu)的諧波(bo)(bo)(bo)制動(dong)特性,可(ke)單(dan)通道(dao)或雙(shuang)通道(dao)輸出諧波(bo)(bo)(bo)疊加差(cha)流,能(neng)任(ren)意疊加最多 9 次諧波(bo)(bo)(bo)分量,變量變化方式靈活(huo),可(ke)在試(shi)(shi)(shi)驗中直接修改參數(shu),以圖(tu)形形式實時顯示波(bo)(bo)(bo)形,便(bian)于(yu)觀察試(shi)(shi)(shi)驗過程,試(shi)(shi)(shi)驗時需注意參數(shu)設置和試(shi)(shi)(shi)驗方法(fa),確保測試(shi)(shi)(shi)準(zhun)確。
◆ 6 - 35KV 微機線路保護綜合(he)(he)測(ce)試:適用(yong)于 6 - 35KV 中性點不接地系統的(de)線路保護測(ce)試,能一次性測(ce)試多個(ge)項目(mu),包括(kuo)三段(duan)式過(guo)電(dian)流(liu)(liu)保護(速斷、延時速斷、定時限(xian)過(guo)流(liu)(liu))、零序(xu)電(dian)流(liu)(liu)保護、重合(he)(he)閘、延時速斷后(hou)加速、過(guo)流(liu)(liu)后(hou)加速、低電(dian)壓閉(bi)(bi)鎖(suo)過(guo)流(liu)(liu)、低頻(pin)保護、滑差閉(bi)(bi)鎖(suo)、低電(dian)壓閉(bi)(bi)鎖(suo)低頻(pin)、功率方向(xiang)等,測(ce)試過(guo)程中需正確設置各項目(mu)參數(shu),確保測(ce)試結(jie)果準確可靠。
◆ 故障(zhang)再現:將故障(zhang)錄波器記錄的數據文件輸入(ru)測(ce)試(shi)儀,再現波形對保護裝置進行測(ce)試(shi),需打開完整的記錄文件,設置試(shi)驗選項,包括選擇試(shi)驗的錄波電壓(ya)和電流線(xian)路、回放時間段、輸出(chu)方式(shi)等(deng),試(shi)驗結束后自(zi)動存(cun)檔并可打印、編輯測(ce)試(shi)結果。
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