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电力电缆故障的原因分类

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电力电缆故障的原因分类

发布日期:2018-02-03 作者: 点击:

地下电力电缆500万彩票故障复杂多变,引起电力电缆故障的原因分类大致可归纳为以下几类。


 1. JIXIESUNSHANG


YOUJIXIESUNSHANGYINQIDEDIANLANGUZHANGZHANDIANLANSHIGUHENDADEBILI。YOUXIEJIXIESUNSHANGHENQINGWEI,DANGSHIBINGWEIZAOCHENGGUZHANG,YAOZAISHUYUESHENZHISHUNIANHOUSUNSHANGCAIFAZHANCHENGGUZHANG。ZAOCHENGDIANLANDEJIXIESUNSHANGDEZHUYAOYUANYINYOU:

500万彩票(1)ANZHUANGSHISUNSHANG。ANZHUANGSHIBUXIAOXINPENGSHANGDIANLAN;JIXIEQIANYINLIGUODALASHANGDIANLAN;GUODUWANQUZHESHANGDIANLAN。

(2)ZHIJIESHOUWAILISUNSHANG。ZAIANZHUANGHOUDEDIANLANLUJINGSHANGHUOFUJINJINXINGTUJIANSHIGONG,SHIDIANLANZHIJIESHOUWAILISUNSHANG。

(3)XINGSHICHELIANGDEZHENDONGHUOCHONGJIXINGFUHEYEHUIZAOCHENGDIXIADIANLANDEQIAN(LV)BAOLIESUN。

(4)YINZIRANXIANXIANGZAOCHENGDESUNSHANG。RUZHONGJIANJIETOUHUOZHONGDUANTOUDENEIJUEYUANJIAOPENGZHANGERZHANGLIEWAIQIAOHUODIANLANHUTAO;ZHUANGZAIGUANKOUHUOZHIJIASHANGDEDIANLANWAIPICASHANG;YINTUDICHENJIANGYINQIGUODALALI,LADUANZHONGJIANJIETOUHUODAOTI。


2. JUEYUANSHOUCHAO


JUEYUANSHOUCHAOHOUHUIYINQIDIANLANNAIYAXIAJIANGERCHANSHENGGUZHANG。DIANLANSHOUCHAODEZHUYAOYUANYINYOU:

(1)YINJIETOUHEHUOZHONGDUANHEJIEGOUBUMIFENGHUOANZHUANGBULIANGERDAOZHIJINSHUI。

(2)DIANLANZHIZAOBULIANG,JINSHUHUTAOYOUXIAOKONGHUOLIEFENG。

(3)JINSHUHUTAOYINBEIWAIWUCISHANGHUOFUSHICHUANKONG。


3. JUEYUANLAOHUABIANZHI


JUEYUANLAOHUAHUIYINQIDIANLANNAIYAXIAJIANGERCHANSHENGGUZHANG。DIANLANLAOHUADEZHUYAOYUANYINYOU:

500万彩票(1)DIANLANJIEZHINEIBUDEZHAZHIHUOQIXI,ZAIDIANCHANGZUOYONGXIACHANSHENGYOULIHESHUIJIE。

(2)DIANLANGUOFUHEHUODIANLANGOUTONGFENGBULIANG,ZAOCHENGJUBUGUORE。

(3)YOUJINZHIJUEYUANDIANLANDEJUEYUANWULIUSHI。

500万彩票(4)DIANLIDIANLANCHAOSHIXIANSHIYONG。


4. GUODIANYA

GUODIANYAHUISHIYOUQUEXIANDEDIANLANJUEYUANCENGFASHENGDIANJICHUAN,YINQIDIANLANGUZHANG。QIZHUYAOYUANYINYOU:DAQIGUODIANYA(RULEIJI);NEIBUGUODIANYA(RUCAOZUOGUODIANYA)。


5. SHEJIHEZHIZUOGONGYIBULIANG

DIANLANTOUYUZHONGJIANSHEJIHEZHIZUOGONGYIBULIANG,YEHUIYINQIDIANLANGUZHANG。QIZHUYAOYUANYINWEI:DIANCHANGFENBUSHEJIBUZHOUMI;CAILIAOXUANYONGBUDANG;GONGYIBULIANG,BUANGUICHENGYAOQIUZHIZUO。


DIANLANGUZHANGDEXINGZHIYUFENLEI


1. YIGUZHANGCAILIAOTEZHENGFENLEI


KEFENWEICHUANLIANGUZHANG、BINGLIANGUZHANGJIFUHEGUZHANGSANLEI。 

(1)CHUANLIANGUZHANG

500万彩票CHUANLIANGUZHANG(JINSHUCAILIAOQUEXIAN)SHIZHIDIANLANYIGEHUODUOGEDAOTI(BAOKUOQIAN、LVWAIPI)DUANKAIDEGUZHANG。TASHIGUANGYIDEDIANLANKAILUGUZHANG。YINLANXINDELIANXUXINGSHOUDAOPOHUAI,XINGCHENGDUANXIANHUOBUWANQUANDUANXIAN。BUWANQUANDUANXIANYOUQIBURONGYIFAXIAN。CHUANLIANGUZHANGJUTIKEFENWEI:YIDIANKAIDUAN、DUODIANKAIDUAN、YIXIANGDUANXIAN、DUOXIANGDUANXIANDENG。

(2)BINGLIANGUZHANG

BINGLIANGUZHANG(JUEYUANCAILIAOQUEXIAN)SHIZHIDAOTIDUIWAIPIHUODAOTIZHIJIANDEJUEYUANSHUIPINGXIAJIANG,BUNENGCHENGSHOUZHENGCHANGYUNXINGDIANYAERFASHENGDEDUANLUGUZHANG。TASHIGUANGYIDEDIANLANDUANLUGUZHANG。ZHEILEIGUZHANGYOUYULANXINZHIJIANHUOLANXINDUIWAIPIJIANDEJUEYUANPOHUAIERXINGCHENGDUANLU、JIEDI、SHANLUOJICHUANDENGXIANXIANG,ZAIXIANCHANGCHUXIANPINLVJIAOGAO。BINGLIANGUZHANGJUTIKEFENWEI:YIXIANGJIEDI、LIANGXIANGJIEDI、LIANGXIANGDUANLU、SANXIANGDUANLUDENG。 

(3)FUHEGUZHANG

500万彩票FUHEGUZHANG(JUEYUANCAILIAO、JINSHUCAILIAODOUCHUXIANLEQUEXIAN)SHIZHILANXINYULANXINZHIJIANDEJUEYUANJUNCHUXIANGUZHANG。TABAOKUOYIXIANGDUANXIANBINGJIEDI、LIANGXIANGDUANXIANBINGJIEDI、LIANGXIANGDUANLUBINGJIEDIDENG。


2. YIGUZHANGDIANJUEYUANTEZHENGFENLEI


GENJUDIANLANGUZHANGDIANJUEYUANDIANZURfYUJICHUANJIANXIGDEQINGKUANG,DIANLANGUZHANGYOUKEFENWEIKAILUGUZHANG、DIZUGUZHANG、GAOZUGUZHANG、SHANLUOGUZHANGSIDALEI。GAIFENLEIFAWEIXIANCHANGDIANLANGUZHANGZUIJIBENDEFENLEIFANGFA,TEBIEYOULIYUTANCEFANGFADEXUANZE。

QIZHONG,JIANXIJICHUANDIANYAUGDEDAXIAOQUJUEYUGUZHANGDIANFANGDIANTONGDAO(JIJICHUANJIANXI)DEJULIG,JUEYUANDIANZURf DEDAXIAOQUJUEYUGUZHANGDIANDIANLANJIEZHITANHUACHENGDU,FENBUDIANRONG Cf DEDAXIAOQUJUEYUGUZHANGDIANSHOUCHAOCHENGDU。

(1)KAILUGUZHANG

500万彩票DIANLANJINSHUBUFENDELIANXUXINGSHOUDAOPOHUAI,XINGCHENGDUANXIAN,QIEGUZHANGDIANDEJUEYUANCAILIAOYESHOUDAOBUTONGCHENGDUDEPOHUAI。XIANCHANGYONGZHAOOUBIAOCEQIJUEYUANDIANZURf WEIWUQIONGDA(∞),DANZAIZHILIUNAIYASHIYANSHI,HUICHUXIANDIANJICHUAN;JIANCHAXINXIANDAOTONGQINGKUANG,YOUDUANDIAN。XIANCHANGYIBANYIYIXIANGHUOERXIANGDUANXIANBINGJIEDIDEXINGSHICHUXIAN。

(2)DIZUGUZHANG

电缆绝缘材料受到损伤,出现接地故障。现场用兆欧表测其绝缘电阻Rf小于10Z0(Z0为电缆的波阻抗,一般取10~40Ω之间)。现场一般低压动力电缆和控制电缆500万彩票出现低阻故障的几率较高。

(3)GAOZUGUZHANG

500万彩票DIANLANJUEYUANCAILIAOSHOUDAOSUNSHANG,CHUXIANJIEDIGUZHANG。XIANCHANGYONGZHAOOUBIAOCEQIJUEYUANDIANZURf DAYU10Z0,ZAIZHILIUGAOYAMAICHONGSHIYANSHI,HUICHUXIANDIANJICHUAN。GAOZUGUZHANGSHIGAOYADONGLIDIANLAN(6KVHUO10KVDIANLIDIANLAN)CHUXIANJILVZUIGAODEDIANLANGUZHANG,KEDAZONGGUZHANGDE80%YISHANG。

500万彩票XIANCHANGSHICESHI,BIZHEYIBANQURf =3KΩWEIHUAFENGAOZUYUDIZUGUZHANGDEJIEXIAN。YINWEIRf =3KΩSHI,QIAHAONENGDEDAOHUIXIANFADIANQIAOJINGQUECELIANGSUOBIXUDE10~50mADECELIANGDIANLIU。

(4)SHANLUOGUZHANG

DIANLANJUEYUANCAILIAOSHOUDAOSUNSHANG,CHUXIANSHANLUOGUZHANG。XIANCHANGYONGZHAOOUBIAOCEQIJUEYUANDIANZURfWEIWUQIONGDA(∞),DANZAIZHILIUNAIYAHUOGAOYAMAICHONGSHIYANSHI,HUICHUXIANSHANLUOXINGDIANJICHUAN。SHANLUOXINGGUZHANGBIJIAONANCE,TEBIESHIXINFUSHEDEDIANLANJINXINGYUFANGXINGSHIYANCHUXIANSHANLUOGUZHANGSHI。XIANCHANGYIBANSHIYONGZHILIUSHANLUOFAJINXINGTANCE。


3. YIGUZHANGCHUFAYUANYINJIGUZHANGDIANTEZHENGFENLEI


GENJUDIANLIDIANLANZAIYUNXINGHUOYUFANGXINGSHIYANZHONG,DIANLAN、DIANLANTOUJIZHONGJIANHECHUXIANBUTONGTEDIANDEJUEYUANPOHUAI,HAIKEFENWEIFANGPAOGUZHANG、JICHUANGUZHANGHEYUNXINGGUZHANGSANLEI。


(1)FANGPAOGUZHANG

ZAIGONGKUANGQIYE,YUNXINGZHONGDEDIANLIDIANLAN,YOUYUZHONGZHONGYUANYIN,JUEYUANCHUXIANYANZHONGSUNHUAI,CHANSHENGTIAOZHADESHIGU。CHENGWEIDIANLANFANGPAO。ZHEILEIGUZHANGDETEDIANSHI:DIANLANGUZHANGDIANDUOSHUYOUQIANBAOHUOTONGPIPOLIE,WAIBUYOUBUTONGCHENGDUDEBIANXING;DIANLANGUZHANGXINGZHICHANGBIAOXIANWEILIANGXIANGDUANLUJIEDIHUOLIANGXIANGDUANXIANBINGJIEDI,QIJIEDIDIANZUYIBANJIAOXIAO,JIEPOUGUZHANGDIAN,KEFAXIANDIANHUJICHUANDETANHUADIANHUOSHUZHUANGFANGDIANTANDAOYULIEHEN。DIANLANFANGPAOGUZHANG,QIGUZHANGTEZHENGMINGXIAN,DADUOSHUQINGKUANGXIA,YUNXINGZHIBANRENYUANDOUNENGTIGONGFANGPAODAZHIWEIZHI。SUOYI,ZHEILEIGUZHANGCHUSHAOSHUJIAOFUZADEQINGKUANGXUCEJUWAI,YIBANZHIYAOYONGWANYONGBIAOCEDINGGUZHANGDEJUTIXINGZHI(DANXIANGJIEDI、DUANLUJIEDI、DUANXIANJIEDIDENG),KEYONGSHENGCEFAZHIJIEDINGDIAN,JIANDANMINGLE。


(2)JICHUANGUZHANG


SHIJIGONGZUOZHONG,YINYUFANGXINGSHIYANERCHUFADEDIANLANJUEYUANPOHUAISHIJIAN,XIGUANCHENGWEIDIANLANJICHUAN。GAILEIGUZHANGJUNFASHENGZAIZHILIUSHIYANDIANYAXIA,QIJUEYUANPOHUAIWEIDIANJICHUAN,JIEDIDIANYIBANQIANBAOHUOTONGPIWANHAO,WAIBUWUMINGXIANBIANXING(JIXIECHUANGSHANGCHUWAI)。DIANLANJICHUANGUZHANGDUOWEIDANCHUNXINGJIEDIGUZHANG,QIJIEDIGUZHANGJIAOGAO,JIEPOUGUZHANGDIAN,JUEYUANCAILIAOMEIYOUTANHUADIAN,DANTONGGUOYIQIKEFAXIANTANKONGHESHUISHUZHILAOHUAJIEGOU。DUIDIANLANJICHUANGUZHANG,TEBIESHIYIXIEGAOZUJIEDIXINGDIANLANJICHUANGUZHANG,QICESHINANDIANZAICEJU。YOUYUGAILEIGUZHANGJIAOWEIYINBI,CESHICANSHUFUZADUOBIAN,QUESHAOGUILVXING,SUOYINENGFOUXUNSUFAXIANDIANLANGUZHANGDIAN,CEJUSHIGUANJIAN。"GAOYAHUIXIANFA"、"DIANCHUIFA"JUNJUYOUTANCEGAILEIGUZHANGZUIYOUXIAODEFANGFA。


(3)YUNXINGGUZHANG


500万彩票TASHIZHIGONGCHANGDIANLIXITONGZAIYUNXINGZHONG,DIANLANKUICHUXIAN、DIANJI、BIANYAQIDEDIANLANYINXIAN,QIGAOYAERCIHUILUCHUXIANDIANYABODONGHUOFAXIANJIEDIXINHAO(YOUJIEDIBAOHUDEDIANLIYUANJIANCHUXIANJIEDITIAOZHA),PAICHUQITADIANLIYUANJIANGUZHANGDEKENENGXINGERQUEDINGDEDIANLANGUZHANG。ZHEILEIGUZHANGDEZUIDATEDIANJIUSHIBUMINGQUE。DIANLANYUNXINGGUZHANGDEJIDUANXINGSHIJIUSHIDIANLANFANGPAO(RULIANGDIANJIEDIYINFADEXIANGJIANDUANLU);LINGYIBUFENYUNXINGGUZHANGZAIZUOTINGDIANJIANCHASHI,YOUYUNAIYATONGBUGUOERFAZHANCHENGDIANLANJICHUANGUZHANG(RUDIANLANLAOHUA、JUEYUANQUEXIANDENG);HAIYOUYIBUFENDIANLANYUNXINGGUZHANGSHIYOUYUDIANLANYINCHUXIANANZHUANGWEIZHIBUDANG(RUDIANLANXIANGJIANHUODUIDIJULIBUGOU、DIANLANTOUZANGWUHUODIANJIJICHUJINSHUIDENG),ZHEIXIEGUZHANGZHUYAOJINXINGYIXIEJIANDANCHULIJIKE;ZUIBUMINGQUEDESHINEIXIESHUNSHIJIEDI、CHANSHENGBUWENDINGSHANLUODEDIANLANYUNXINGGUZHANG。GAILEIGUZHANGZAIDIANLANTINGDIANHOU,JUEYUANDIANZUCELIANGHEZHILIUNAIYASHIYANYOUXIANGDANGBUFENKEYITONGGUO,ZAIBADIANLANTOURUXITONGHOU,YENENGZHENGCHANGYUNXINGYIDUANSHIJIAN;SHENGXIADEJIUSHIDANXIANGJIEDIDIANLANGUZHANG,TAMENYUEZHANDIANLANYUNXINGGUZHANGDE40%,ZHEIZHONGJIEDIGUZHANGYIBANWAIBUYEMEIYOUMINGXIANBIANXING,JIEDIDIANZUYEBUTAIGAO(YIBANJISHIZHIJIBAIOU)。JIEPOUGUZHANGDIANYOUXIWEIDETANHUADIAN。

DIANLANYUNXINGJIEDIGUZHANGYUANYINYOULIANGZHONG:QIYI,YOUYUDIANLANYUNXINGSHIJIANJIAOZHANG,JUEYUANCENGCHUXIANZIRANLAOHUA;QIER,DIANLANZAIFUSHIHUANJINGZHONG,DIANLANHUTAOBEIXUNSUPOHUAI,FUSHIXINGQITIQINRUJUEYUANCENGSHIQILIEHUA。DIANLANJUEYUANCENGBUGUANCHUXIANLAOHUAHAISHILIEHUA,QIJICHUANDIANYADOUHUIXIAJIANG,ZUIZHONGDAOZHIEDINGGONGPINDIANYAXIADEDIANJICHUAN,CONGERCHANSHENGDIANLANJIEDIGUZHANG。ZHEILEIGUZHANGKEYONG"DIYAHUIXIANFA"TANCE;YONG"DIANCHUIFA"TANCE,XIAOGUOYEJIAOHAO。


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