熱縮電纜中間接頭廣泛用于35KV及以下電壓等級(jí)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(dá)20年 |
---|---|---|---|
徑向收縮率 | ≥50% | 縱向收縮率 | <5% |
PROPERTY測試項(xiàng)目 | TEST METHOD 測試方法 | RESULT 測試結(jié)果 |
AC WITHSTAND FOR 1MIN UNDER RAIN 1MIN 工頻電壓(濕態(tài)) | 105KV不閃絡(luò)、不擊穿 | 105kv,1min, 濕態(tài)下組合試樣未閃絡(luò)和擊穿 |
PARTAIL DISCHARGE TEST 局部放電試驗(yàn) | 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(fù)荷循環(huán)試驗(yàn) | 導(dǎo)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(biāo)準(zhǔn)要求完成三次負(fù)荷循環(huán)試驗(yàn) |
IMPULSE VOLTAGE WITHSTAND TEST 沖擊電壓試驗(yàn) | 25kv,正負(fù)極性各10次不閃絡(luò),不擊穿 | 25kv正負(fù)極性各10次, 組合試樣未閃絡(luò)和擊穿 |
DC NEGATIVE POLARITY VOLTAGE WITHSTAND FOR 15MIN | 156kv不閃絡(luò),不擊穿 | 156kv,15min, 組合試樣未閃絡(luò)和擊穿 |
AC WITHSTAND TEST FOR 4H 4H工頻電壓試驗(yàn) | 104kv不閃絡(luò),不擊穿 | 104kv,4h, 組合試樣未閃絡(luò)和擊穿 |
長春市鮮中熱縮材料有限公司,型號(hào):JSY-35/3.3,報(bào)價(jià):40.00元; 廊坊霸州得力五金機(jī)具公司,型號(hào):NSY-6/3·4 6-10KV,報(bào)價(jià):19.00元; 以上價(jià)格來...
?? 電纜中間接頭是按1根電纜一個(gè)接頭.
在計(jì)算電纜長度時(shí),是按圖示長度(不扣除中間接頭盒長度)再加上2*2 m
格式:pdf
大小:232KB
頁數(shù): 14頁
評(píng)分: 4.6
熱縮電纜中間接頭制作安裝 作業(yè)指導(dǎo)書 目 次 1 適用范 圍················································································································· ························123 2 編寫依 據(jù)················································································································· ························123 3 作業(yè)流程 圖·····································································
格式:pdf
大?。?span id="esqeaos" class="single-tag-height">232KB
頁數(shù): 12頁
評(píng)分: 4.4
132 熱縮電纜中間接頭制作安裝 作業(yè)指導(dǎo)書 編碼: DLFJAZ-04 DLFJAZ-04 熱縮電纜中間接頭制作安裝作業(yè)指導(dǎo)書 133 目 次 1 適用范圍 ······················································································································································123 2 編寫依據(jù) ······················································································································································123 3
1、電纜外護(hù)層受到機(jī)械損傷時(shí)的局部修補(bǔ);
2、熱縮電纜中間接頭護(hù)套端口的防水密封處理;
3、帶電裸導(dǎo)線的過樹防護(hù)及過遂道防冰柱短路處理;
4、管道防腐和密封;
5、開關(guān)柜和電站母線排的絕緣防護(hù)處理;
6、其它需要絕緣和密封的場所。