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《GB12976.1-1991 額定電壓 35kV 及以下銅芯、鋁芯紙絕緣電力電纜 第1部分 一般規(guī)定.pdf》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在行業(yè)資料-天天文庫。
1、中華人民共和國國家標準額定電壓35kV及以下銅芯、鋁芯紙絕緣電力電纜GB12976.1一91第7部分:一般規(guī)定Copperoraluminiumconductorpaper-insulatedpowercableswithratedvoltagesupto35kVPart1:General1主題內(nèi)容與適用范圍1-1主題內(nèi)容本標準規(guī)定了額定電壓35kV及以下銅芯、鋁芯紙絕緣電力電纜的材料、技術(shù)要求、驗收規(guī)則、包裝及貯運，1.2適用范圍1.2.1本標準適用于交流額定電壓35kV及以下銅芯或鋁芯油浸紙絕緣金屬套電力電纜。1.2.2本標準的油浸紙絕緣金屬套電力電纜包括不滴流電纜和粘性油浸紙
2、絕緣電纜兩個系列產(chǎn)品。1.2.3電纜的額定電壓應(yīng)適合使用電纜系統(tǒng)的運行情況，用Ua/rT(rim)表示，均為有效值，單位為kVoUo-一電纜設(shè)計用的導(dǎo)體與屏蔽或金屬套之間的額定毛頻電壓。廠—電纜設(shè)計用的導(dǎo)體之間的額定工頻電壓。Um—設(shè)備最高電壓(使用設(shè)備的系統(tǒng)最高電壓的最大值)。三相系統(tǒng)用電纜的額定電壓如表1規(guī)定。表1kvl.'=UUm第1類電繩第2類電纜11.20.60.633.61.名3‘667.2366101268.71517.58.7122024121835422126注打。按系統(tǒng)接地故障持續(xù)時間不同分為兩類，具體分類如下:第I類電纜一用于單相接地故障時間每次一般不大于Im
3、in的系統(tǒng)亦可用于最長不超過8h,每年累計不超www.bzfxw.com過土26h的系統(tǒng)第2類電纜一用于接地故障時間更長的系統(tǒng)。對電纜絕緣性能要求較高的場合，也應(yīng)采用第2類1.2.4本標準必須與GB12976.2,GB12976.3等一起使用。國家技術(shù)監(jiān)督局1991一06一06批準1992一03一01實施GB12976.1一912弓I用標準GB469鉛錠GB1196重熔用鋁錠技術(shù)條件GB2951電線電纜機械物理性能試驗方法GB2952電纜外護套GB3048電線電纜電性能試驗方法GB3953電工圓銅線GB3955電工圓鋁線GB3957電力電纜銅、鋁導(dǎo)電線芯GB4005電線電纜交貨盤G
4、B6995電線電纜識別標志GB7969電力電纜紙GB8170數(shù)值修約規(guī)則3術(shù)語3.1標稱值制造廠必須保證的規(guī)定值.且都具有規(guī)定公差3.2假定直徑為確定電纜護層各組成部分的厚度而規(guī)定的值。3.3測量值用規(guī)定方法測量或試驗所獲得的數(shù)值。4產(chǎn)品命名和代號4.1代號銅導(dǎo)體·············”···················································??(丁)省略鋁導(dǎo)體······························“······”·································??L紙絕緣··········
5、”····················”·············，··························??2鉛套·························”··，······”···”·”··”···，···”····，·”·，·····“·??Q鋁套···························，··································，··············??L分相電纜···········，··········································，·············?
6、?F不滴流電纜····················??，’’········································??D粘性電纜····················，···，·························，·············??省略外護層代號···················································??按GB2952規(guī)定4.2產(chǎn)品表示方法4.2.1產(chǎn)品用型號、規(guī)格(額定電壓、芯數(shù)、標稱截面)及標準編號表示。4.2.2舉例a.鋁芯不www.bzfxw.com滴流油浸紙絕緣分相鉛套
7、鋼帶愷裝聚氯乙烯套電力電纜，額定電壓21/35kV.三芯，標稱截面150mm"表示為:ZLQFD22-21/353又150GB12976.2b鋁芯粘性油浸紙絕緣鋁套聚乙烯套電力電纜，額定電壓0.6/1kV，三個主線芯.標稱截面150mm,.中性線芯標稱截面70mmz，表示為:ZL.i.03-0.6/13X150-}-1X70GB12976.37GB12976.1一915材料5.1導(dǎo)體銅鋁見GB3953,GB3955,5.2電力電纜紙見GB7969,5.3護套鉛見GB4
