發布時間(jian):2020-12-25 09:25:59來源:雷科電力網址(zhi):shangraoxx.cn
一、高(gao)壓(ya)試驗的含義
高(gao)壓(ya)試(shi)驗(yan)(yan)(yan)是(shi)采用(yong)相應的(de)手段,對電力試(shi)驗(yan)(yan)(yan)設備的(de)運(yun)行(xing)性(xing)能進行(xing)連續的(de)或(huo)者是(shi)間斷(duan)性(xing)的(de)試(shi)驗(yan)(yan)(yan),將高(gao)壓(ya)試(shi)驗(yan)(yan)(yan)后(hou)所得(de)信息,結合高(gao)壓(ya)試(shi)驗(yan)(yan)(yan)設備規定的(de)運(yun)行(xing)標準進行(xing)分析,從中發現高(gao)壓(ya)試(shi)驗(yan)(yan)(yan)設備隱患(huan)(huan),并(bing)及時(shi)采取措施消除,以達到防患(huan)(huan)于未然,保(bao)障電網長期的(de)長期穩定運(yun)行(xing)。
二、高壓試驗的過程
步驟一:選擇合適的高壓(ya)電力試驗設備(bei),并(bing)匹配(pei)電源和滿足軟件(jian)系(xi)統運行的配(pei)置;
步驟二:初始化電力試驗(yan)設備的測量參數(shu),并記錄各(ge)類數(shu)據;
步驟三:依數據(ju)信息診斷(duan)電(dian)力試驗(yan)設(she)備的潛伏性故障并預(yu)估故障趨(qu)勢;
步驟四(si):評估電力試(shi)驗設備的健康狀態;
步驟五:擬定初步高(gao)壓試(shi)驗結果(guo);
步驟六:確定(ding)影響電力試驗設備運行的主要指標和因素。
三、常見的高壓試驗及方法
根(gen)據高壓(ya)試(shi)驗(yan)所(suo)采用(yong)電(dian)源(yuan)屬(shu)性來區分,常見的高壓(ya)試(shi)驗(yan)種類(lei)有直流耐(nai)(nai)壓(ya)試(shi)驗(yan)、交流耐(nai)(nai)壓(ya)試(shi)驗(yan)、高頻震蕩波耐(nai)(nai)壓(ya)試(shi)驗(yan)、泄漏電(dian)流這幾種:
(1)直(zhi)流耐壓試驗介紹
直流耐壓試(shi)(shi)驗(yan)(yan)(yan)(yan)具有破壞(huai)性,電(dian)(dian)(dian)力(li)設(she)(she)備(bei)(bei)(bei)會因此受到一(yi)些影響。為(wei)了(le)高(gao)(gao)壓試(shi)(shi)驗(yan)(yan)(yan)(yan)設(she)(she)備(bei)(bei)(bei)可以承受較大(da)電(dian)(dian)(dian)壓峰值,一(yi)般情況下電(dian)(dian)(dian)力(li)試(shi)(shi)驗(yan)(yan)(yan)(yan)設(she)(she)備(bei)(bei)(bei)的(de)(de)電(dian)(dian)(dian)壓很高(gao)(gao),這樣有助于及時發(fa)現絕緣有局部缺陷的(de)(de)電(dian)(dian)(dian)力(li)設(she)(she)備(bei)(bei)(bei),攔截電(dian)(dian)(dian)力(li)系統里(li)絕緣性能(neng)不佳的(de)(de)電(dian)(dian)(dian)力(li)試(shi)(shi)驗(yan)(yan)(yan)(yan)設(she)(she)備(bei)(bei)(bei),確保電(dian)(dian)(dian)網穩定(ding)運行。因此,一(yi)款測試(shi)(shi)精(jing)準的(de)(de)電(dian)(dian)(dian)力(li)試(shi)(shi)驗(yan)(yan)(yan)(yan)設(she)(she)備(bei)(bei)(bei)是高(gao)(gao)壓試(shi)(shi)驗(yan)(yan)(yan)(yan)順利進行的(de)(de)必備(bei)(bei)(bei)條件。