熱縮電纜中間接頭廣泛用于35KV及以下電壓等級的交聯(lián)電纜或油浸電纜的中間連接上。
中文名稱 | 熱縮電纜中間接頭 | 老化壽命 | 長達20年 |
---|---|---|---|
徑向收縮率 | ≥50% | 縱向收縮率 | <5% |
PROPERTY測試項目 | TEST METHOD 測試方法 | RESULT 測試結果 |
AC WITHSTAND FOR 1MIN UNDER RAIN 1MIN 工頻電壓(濕態(tài)) | 105KV不閃絡、不擊穿 | 105kv,1min, 濕態(tài)下組合試樣未閃絡和擊穿 |
PARTAIL DISCHARGE TEST 局部放電試驗 | 39KV下放電量不大于20PC | A、B、C三相在39kv下放電量為4pc |
HEATING CYCLES VOLTAGE TEST 負荷循環(huán)試驗 | 導體加熱至90-95℃,每一循環(huán)為8h,其中加熱5h,冷卻3h,共三次循環(huán) | 按標準要求完成三次負荷循環(huán)試驗 |
IMPULSE VOLTAGE WITHSTAND TEST 沖擊電壓試驗 | 25kv,正負極性各10次不閃絡,不擊穿 | 25kv正負極性各10次, 組合試樣未閃絡和擊穿 |
DC NEGATIVE POLARITY VOLTAGE WITHSTAND FOR 15MIN | 156kv不閃絡,不擊穿 | 156kv,15min, 組合試樣未閃絡和擊穿 |
AC WITHSTAND TEST FOR 4H 4H工頻電壓試驗 | 104kv不閃絡,不擊穿 | 104kv,4h, 組合試樣未閃絡和擊穿 |
長春市鮮中熱縮材料有限公司,型號:JSY-35/3.3,報價:40.00元; 廊坊霸州得力五金機具公司,型號:NSY-6/3·4 6-10KV,報價:19.00元; 以上價格來...
?? 電纜中間接頭是按1根電纜一個接頭.
在計算電纜長度時,是按圖示長度(不扣除中間接頭盒長度)再加上2*2 m
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熱縮電纜中間接頭制作安裝 作業(yè)指導書 目 次 1 適用范 圍················································································································· ························123 2 編寫依 據················································································································· ························123 3 作業(yè)流程 圖·····································································
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大?。?span id="58li0c3" class="single-tag-height">232KB
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132 熱縮電纜中間接頭制作安裝 作業(yè)指導書 編碼: DLFJAZ-04 DLFJAZ-04 熱縮電纜中間接頭制作安裝作業(yè)指導書 133 目 次 1 適用范圍 ······················································································································································123 2 編寫依據 ······················································································································································123 3
1、電纜外護層受到機械損傷時的局部修補;
2、熱縮電纜中間接頭護套端口的防水密封處理;
3、帶電裸導線的過樹防護及過遂道防冰柱短路處理;
4、管道防腐和密封;
5、開關柜和電站母線排的絕緣防護處理;
6、其它需要絕緣和密封的場所。