1、精選優質文檔-傾情為你奉上絕緣子（1）常用電壓等級桿塔絕緣子串的片數絕緣子片數電壓等級直線桿耐張桿110 千伏78220 千伏1314500 千伏2527（2）線路和發電廠、變電所設備外絕緣各污穢等級和對應鹽密、爬電比距。表1 線路和發電廠、變電所污穢等級污穢等級污濕特征鹽密（mg/cm2）線路發電廠變電所0大氣清潔地區及離海岸鹽場50km以上無明顯污染地區0.03大氣輕度污染地區，工業區和人口低密集區，離海岸鹽場10km50km地區，在污閃季節中干燥少霧（含毛毛雨）或雨量較多時0.030.060.06大氣中等污染地區、輕鹽堿和爐煙污穢地區，離海岸鹽場3km10km地區，在污閃季節中潮濕多霧（

2、含毛毛雨）但雨量較少時0.060.100.060.10大氣污染較嚴重地區，重霧和重鹽堿地區，近海岸鹽場1km3km地區，工業與人口密度較大地區，離化學污源和爐煙污穢300m1500m的較嚴重污穢地區0.100.250.100.25大氣特別嚴重污染地區，離海岸鹽場1km以內，離化學污源和爐煙污穢300m以內的地區0.250.350.250.35表2 各污穢等級下的爬電比距分級數值污穢等級爬電比距（cm/kV）線 路發電廠、變電所220kV及以下330kV及以上220kV及以下330kV及以上01.391.451.391.741.451.821.601.601.742.171.822.272.00

3、2.002.172.782.272.912.502.502.783.302.913.453.103.10注：線路和發電廠、變電所爬電比距計算時取系統最高工作電壓。表3 額定電壓與系統最高工作電壓額定電壓（kV）1035110220500系統最高工作電壓（kV）1240.5126252550（3）常用絕緣子主要數據：表1-1 標準型鋼化玻璃絕緣子型號和參數（自貢廠）型 號FC70/127FC70/146FC100/127FC100/146FC120/127FC120/146FC160/146FC160/155最小機械破壞負荷kN70701001001201201601601小時機電負荷kN52.

4、552.575759090120120公稱直徑D mm255255255255255255280280結構高度 mm127146146146127146146155泄漏距離 mm320320320320320320400400鋼腳代號N16A16A16A16A16A16A2020工頻干耐受 kV7070707070707575工頻濕耐受 kV4040404040404545沖擊耐受 kV100100100100100100110110最小擊穿電壓kV130130130130130130130130絕緣子凈重 kg3.63.73.943.9466.2表1-2 標準型鋼化玻璃絕緣子型號和參數（自貢

5、廠）型 號FC160/170FC210/170FC240/170FC300/195FC400/205最小機械破壞負荷kN1602102403004001小時機電負荷kN120157.5180225300公稱直徑D mm280280280320360結構高度 mm170170170195205泄漏距離 mm400400400485550鋼腳代號N2020242428工頻干耐受 kV7575758590工頻濕耐受 kV4545455055沖擊耐受 kV110110110130140最小擊穿電壓kV130130130130130絕緣子凈重 kg6.57.27.510.614表2-1 耐污型鋼化玻璃絕

6、緣子型號和參數（自貢廠）型 號FC70P/146FC100P/146FC120P/146FC7P/146FC10P/146FC12P/146FC70PL/146FC100PL/146最小機械破壞負荷kN7010012070100120701001小時機電負荷kN52.5759052.5759052.575公稱直徑D mm280280280255255255320320結構高度 mm146146146146146146146146泄漏距離 mm450450450400400400550550鋼腳代號N16A16A16A16A16A16A16A16A工頻干耐受 kV8585858080809090

7、工頻濕耐受 kV5050504545455555沖擊耐受 kV125125125110110110140140最小擊穿電壓kV130130130130130130130130絕緣子凈重 kg5.85.85.84.64.64.677表2-2 耐污型鋼化玻璃絕緣子型號和參數（自貢廠）型 號FC120PL/146FC70SPE/146FC100SPE/146FC120SPE/146FC16P/155FC16P/170FC160P/146FC160P/155最小機械破壞負荷kN120701001201601601601601小時機電負荷kN9052.57590120120120120公稱直徑D mm3

8、20330330330280280330330結構高度 mm146146146146155170146155泄漏距離 mm550612612612450450550550鋼腳代號N16A16A16A16A20202020工頻干耐受 kV9090909085859090工頻濕耐受 kV5555555550505555沖擊耐受 kV140140140140125125140140最小擊穿電壓kV130130130130130130130130絕緣子凈重 kg78.98.98.97.27.38.88.8表2-3 耐污型鋼化玻璃絕緣子型號和參數（自貢廠）型 號FC160P/170FC21P/170FC

9、210P/170FC240P/170FC300P/195FC160PH/155FC210PH/170最小機械破壞負荷kN1602102102403001602101小時機電負荷kN120157.5157.5180225120157.5公稱直徑D mm330280330330380330330結構高度 mm170170170170195155170泄漏距離 mm550450550550690550550鋼腳代號N20202024242020工頻干耐受 kV908590901009090工頻濕耐受 kV55505555604545沖擊耐受 kV140125140140155130130最小擊穿電壓

10、kV130130130130130130130絕緣子凈重 kg8.97.310.210.415.388.4表3 標準型鋼化玻璃絕緣子型號和參數（南京廠）型 號機械破壞負荷（kN）公稱結構高度（mm）圓盤直徑（mm）公稱爬電距離（mm）鋼腳直徑（mm）工頻濕閃電壓（kV）工頻擊穿電壓（kV）凈重（kg）LXY-70LXY1-70LXY-100LXY-120LXY3-160LXY3-210LXY3-30070701001201602103001401461461461551701952552552552552802803203203203203203803904851616161620202440

11、4040404242451101101101101101201203.773.784.104.206.206.7010.7表4 防污型鋼化玻璃絕緣子型號和參數（南京廠）型 號機械破壞負荷（kN）公稱結構高度（mm）圓盤直徑（mm）公稱爬電距離（mm）鋼腳直徑（mm）工頻濕閃電壓（kV）工頻擊穿電壓（kV）凈重（kg）LXHY4-70LXHY3-70LXHY4-100LXHY4-120XLHY3-160LXHY5-160LXHY3-21070701001201601602101461601461461551701702552552802802803203204004004504504505405

12、4016161616202020454545455050501201201201201201201204.84.85.45.57.08.89.2表5 普通型懸式瓷質絕緣子型號參數型 號XP-40CXP-70XP-100XP-120XP-160XP-210XP-210XP-300圓盤外徑(mm)190255255255280280280320總高度(mm)140146146146155170170195鐵腳直徑(mm)1616161620202424公稱爬電距離(mm)200295295295360335335370機械破壞負荷(kN)4070100120160210210300工頻濕閃電壓(k

13、V)3040404042424245工頻擊穿電壓(kV)90110110110110120120120凈重(kg)2.64.65.56.27.88.79.114.5表6 防（耐）污型懸式瓷質絕緣子型號參數型 號XP-70XP-100XP-100XP-100XP-160XP-210XP-210圓盤外徑(mm)255255280255300300300總高度(mm)146160160146155170170鐵腳直徑(mm)16161616202024公稱爬電距離(mm)400400450400450432432機械破壞負荷(kN)70100100100160210210工頻濕閃電壓(kV)4545

14、4545505050工頻擊穿電壓(kV)120120120120120120120凈重(kg)5.255.47.55.69.59.810.2表7-1 JB/T8460-1996標準：棒形懸式復合絕緣子主要尺寸與特性序號絕緣子型號推薦序號額定電壓kV額定機械拉伸負荷kN連接結構標記結構高度H.mm最小電弧距離h.mm最小公稱爬電距離L.mm雷電全波沖擊耐受電壓kV(峰值)不小于操作沖擊耐受電壓kV(峰值)不小于工頻一分鐘濕耐受電壓kV(峰值)不小于1FXB1-110/70111070161180±15100025205502302FXB2-110/70111070161240±

15、;15100025205502303FXB3-110/70111070161180±15100031505502304FXB4-110/70111070161240±15100031505502305FXB1-110/1001110100161180±15100025205502306FXB2-110/1001110100161240±15100025205502307FXB3-110/1001110100161180±15100031505502308FXB4-110/1001110100161240±151000315055023

16、09FXB1-220/1002220100162150±3019005040100039510FXB2-220/1002220100162240±3019005040100039511FXB3-220/1002220100162150±306300100039512FXB4-220/1002220100162240±3019006300100039513FXB1-220/1602220160202150±3019005040100039514FXB2-220/1602220160202240±3019005040100039515FX

17、B3-220/1602220160202150±3019006300100039516FXB4-220/1602220160202240±3019006300100039517FXB1-500/1603500160204030±503600110002050124074018FXB2-500/1603500160204450±504000110002250124074019FXB3-500/1603500160204030±503600137502050124074020FXB4-500/1603500160204450±504000

18、137502250124074021FXB1-500/2103500210204050±503600110002050124074022FXB2-500/2103500210204450±504000110002250124074023FXB3-500/2103500210204030±503600137502050124074024FXB4-500/2103500210204450±504000137502250124074025FXB1-500/3003500300244030±503600110002050124074026FXB2-50

19、0/3003500300244450±504000110002250124074027FXB3-500/3003500300244030±503600137502050124074028FXB4-500/3003500300244450±504000137502250124074029FXB1-500/4004500400284030±503600110002050124074030FXB2-500/4004500400284450±504000137502250124074031FXB3-500/4004500400284030±5

20、03600110002050124074032FXB4-500/4004500400284450±504000137502250124074033FXB1-500/5304500530324030±503600110002050124074034FXB2-500/5304500530324450±504000137502250124074035FXB3-500/5304500530324430±503600110002050124074036FXB4-500/5304500530324450±5040001375022501240740表7-2

21、 MPC國際電工棒形懸式復合絕緣子主要尺寸與特性序號絕緣子型號推薦圖號額定電壓KV額定機械拉伸負荷KN連接結構標記結構高度H.mm最小電弧距離h.mm最小公稱爬電距離L.mm雷電全波沖擊耐受電壓KV(峰值)不小于操作沖擊耐受電壓KV(峰值)不小于工頻一分鐘濕耐受電壓KV(峰值)不小于1FXBW-10/701107016415±15200400165502FXBW1-35/701357016610±15450810230953FXBW2-35/701357016650±15450810230954FXBW3-35/701357016610±15450101

22、5230955FXBW4-35/701357016650±154501015230956FXBW1-66/701667016870±1570014504101857FXBW2-66/701667016940±1570014504101858FXBW3-66/701667016870±1570019004101859FXBW4-66/701667016940±15700190041018510FXBW1-110/70111070161180±151000270055030011FXBW2-110/70111070161240±

23、151000270055030012FXBW3-110/70111070161180±151000315055030013FXBW4-110/70111070161240±151000315055030014FXBW1-110/1001110100161180±151000270055030015FXBW2-110/1001110100161240±151000270055030016FXBW3-110/1001110100161180±151000315055030017FXBW4-110/1001110100161240±1510

24、00315055030018FXBW1-220/1002220100162150±3019005100117554019FXBW2-220/1002220100162240±3019005100117554020FXBW3-220/1002220100162150±3019006300117554021FXBW4-220/1002220100162240±3019006300117554022FXBW1-220/1602220160202150±4019005100117554023FXBW2-220/1602220160202240±

25、;3019005100117554024FXBW3-220/1602220160202150±3019006300117554025FXBW4-220/1602220160202240±3019006300117554026FXBW1-500/1603500160204030±503600120002050130078027FXBW2-500/1603500160204450±504000120002250130078028FXBW3-500/1603500160204030±503600137502050130078029FXBW4-500/

26、1603500160204450±504000137502250130078030FXBW1-500/2103500210204030±503600120002050130078031FXBW2-500/2103500210204450±504000120002250130078032FXBW3-500/2103500210204030±503600137502050130078033FXBW4-500/2103500210204450±504000137502250130078034FXBW1-500/3003500300244030±503600120002050130078035FXBW2-500/3003500300244450±504000120002250130078036FXBW3-500/3003500300244030±503600137502050130078037FXBW4-500/3003500300244450±5040001375022501300780表7-3 保定廠棒形懸式復合絕緣子技術性能指標產品型號額定電壓(kV)額定機械拉伸負荷(kN)最小電弧距離(mm)結構高度(mm)爬電距離(mm)雷電全波沖擊試驗電壓(kV)操作沖擊濕試驗電壓(kV)