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簡(jian)要(yao)描(miao)述(shu):雷(lei)(lei)電(dian)(dian)(dian)(dian)沖(chong)(chong)擊電(dian)(dian)(dian)(dian)壓(ya)(ya)發生器是用(yong)來檢測和(he)試驗各種高壓(ya)(ya)電(dian)(dian)(dian)(dian)氣設(she)(she)備(bei)在雷(lei)(lei)電(dian)(dian)(dian)(dian)和(he)操(cao)(cao)作(zuo)過電(dian)(dian)(dian)(dian)壓(ya)(ya)下絕緣性能或保(bao)護性能,是電(dian)(dian)(dian)(dian)工(gong)制造、電(dian)(dian)(dian)(dian)力(li)運行(xing)、科研院(yuan)所(suo)等部門的*設(she)(she)備(bei)之一。主要用(yong)于電(dian)(dian)(dian)(dian)力(li)設(she)(she)備(bei)等試品進行(xing)雷(lei)(lei)電(dian)(dian)(dian)(dian)沖(chong)(chong)擊電(dian)(dian)(dian)(dian)壓(ya)(ya)全波(bo)(bo)、雷(lei)(lei)電(dian)(dian)(dian)(dian)沖(chong)(chong)擊電(dian)(dian)(dian)(dian)壓(ya)(ya)截波(bo)(bo)和(he)操(cao)(cao)作(zuo)沖(chong)(chong)擊電(dian)(dian)(dian)(dian)壓(ya)(ya)波(bo)(bo)的沖(chong)(chong)擊電(dian)(dian)(dian)(dian)壓(ya)(ya)試驗。
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詳細介紹
雷電沖擊電壓發生器性能: 900kV、1500 kV和(he)4800kV系列沖擊(ji)電(dian)(dian)壓(ya)(ya)發生器(qi)可(ke)產生標準(zhun)雷(lei)(lei)電(dian)(dian)全波(bo)(bo)(bo)(bo)、操作波(bo)(bo)(bo)(bo)和(he)雷(lei)(lei)電(dian)(dian)截波(bo)(bo)(bo)(bo)三種沖擊(ji)電(dian)(dian)壓(ya)(ya)波(bo)(bo)(bo)(bo)形,1500kV系列沖擊(ji)電(dian)(dian)壓(ya)(ya)發生器(qi)可(ke)產生標準(zhun)雷(lei)(lei)電(dian)(dian)波(bo)(bo)(bo)(bo)、操作波(bo)(bo)(bo)(bo)、雷(lei)(lei)電(dian)(dian)截波(bo)(bo)(bo)(bo)、振(zhen)蕩雷(lei)(lei)電(dian)(dian)波(bo)(bo)(bo)(bo)、振(zhen)蕩操作波(bo)(bo)(bo)(bo)、線路絕(jue)緣子陡(dou)波(bo)(bo)(bo)(bo)、合成(cheng)絕(jue)緣子陡(dou)波(bo)(bo)(bo)(bo)和(he)變壓(ya)(ya)器(qi)感(gan)應操作波(bo)(bo)(bo)(bo)共(gong)
雷電沖擊電壓發生器滿足現行標準、國家標準及有關行業標準。本套裝置所輸出電壓波形及效率:(負荷電容小于5500pF時包含分壓器電容)下,可產生標準雷電沖擊電壓波形數量:3個。
A.標準雷電沖擊全波電壓波形
波頭時間:1.2±30%μs,波尾時間:50±20%μs,過沖:小于5%,效率:不低于90%。±1.2/50μs標準雷電沖擊電壓全波,效率大于90%。
B.標準雷電沖擊截波電壓波形。
波頭時間:1.2±30%μs,過沖:小于5%,截斷時間:2~6μs,電子時延控制,效率:不低于90%,采用截斷裝置可產生截斷時間2~6μs的雷電截波,截波分散性小于100ns。
C.變壓器電抗器雷電沖擊電壓試驗的示傷電流全波波形。
二.執行標準:
GB311.1-1997高壓輸變電設備的絕緣配合
GB/T16927.1-1997高電壓試驗技術,一般試驗要求
GB/T16927.2-1997高電壓試驗技術,測量系統
GB/T16896.1-1997高電壓沖擊試驗用數字記錄儀
ZB F24 001-90沖擊電壓測量實施細則
GB191 包裝運標志
GB4208 外殼防護等級
GB813-89 沖擊試驗用示波器及峰值表
三.使用條件:
本沖(chong)擊(ji)電(dian)壓(ya)發生器試驗系統裝置主要適用(yong)于110kV及以下電(dian)力產品的(de)雷電(dian)沖(chong)擊(ji)電(dian)壓(ya)全(quan)波,也可用(yong)于其(qi)它產品的(de)沖(chong)擊(ji)試驗。
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