188体育

塑壳式断路器厂家

188体育
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    万高梅兰(深圳)电气有限公司

    浙江一梅电气有限公司

    全国统一电话:400-0513-011
    联系人 :杜女士
    手机:13355771333   13396873300
    传真:0577-62716358
    地   址:浙江省温州市乐清市柳市东风工业区
断路器的电气间隙与爬电距离分析 当前位置:188体育 >> 188体育   

断路器的电气间隙与爬电距离分析

发布日期:2019.02.18

QUEDINGDIANQICHANPINDEDIANQIJIANXI,BIXUYIJUDIYAXITONGDEJUEYUANPEIHE,ERJUEYUANPEIHEZESHIJIANLIZAISHUNSHIGUODIANYABEIXIANZHIZAIGUIDINGDECHONGJINAISHOUDIANYA,ERXITONGZHONGDEDIANQIHUOSHEBEICHANSHENGDESHUNSHIGUODIANYAYEBIXUDIYUDIANYUANXITONGGUIDINGDECHONGJIDIANYA。YINCI:

1.DIANQIDEEDINGJUEYUANDIANYAYING≥DIANYUANXITONGDEEDINGDIANYA

2.DIANQIDEEDINGCHONGJINAISHOUDIANYAYING≥DIANYUANXITONGDEEDINGCHONGJINAISHOUDIANYA

3.DIANQICHANSHENGDESHUNTAIGUODIANYAYING≤DIANYUANXITONGDEEDINGCHONGJINAISHOUDIANYA。

  JIYUYISHANGSANYUANZE,DIANQIDEEDINGCHONGJINAISHOUDIANYA(YOUXIANZHI)UimpJIUYUDIANYUANXITONGDEXIANGDUIDIDIANYAHEDIANQIDEANZHUANGLEIBIEDENGYOUHENDADEGUANXI:XIANGDUIDIDIANYAZHIYUEDA,ANZHUANGLEIBIEYUEGAO [FENWEII(XINHAOSHUIPINGJI)、Ⅱ(FUZAISHUIPINGJI)、Ⅲ(PEIDIANSHUIPINGJI)、Ⅳ(DIANYUANSHUIPINGJI)],YAOQIUEDINGCHONGJINAISHOUDIANYAJIUYUEDA。LIRUXIANGDUIDIDIANYAWEI220V,ANZHUANGLEIBIEWEI ⅢSHI,UimpWEI4.0KV,YAOSHIANZHUANGLEIBIEWEIⅣ,UimpWEI6.0KV。YIBANSUQIAOSHIDUANLUQIDEUimpWEI6.0KVWURANDENGJI3JIHUO4JI,QIZUIXIAODEDIANQIJIANXISHI5.5mm。ERCHANPINDESHIJIDEDIANQIJIANXI,DOUDAYU5.5mm。

GUANYUPADIANJULI,GB/T14048.1《DIYAKAIGUANSHEBEIYUKONGZHISHEBEIZONGZE》GUIDING:DIANQI(CHANPIN)DEZUIXIAOPADIANJULIYUEDINGJUEYUANDIANYA(HUOSHIJIGONGZUODIANYA)、DIANQICHANPINSHIYONG CHANGSUODEWURANDENGJIYIJI?LIRU:EDINGJUEYUANDIANYAWEI660(690)V,WURANDENGJIWEI3,CHANPINSHIYONGDEJUEYUANCAILIAOZUBIEWEIⅢa(175≤cti〈400,CTIWEIJUEYUANCAILIAO DELOUDIANQIHENZHISHU〉,ZUIXIAOPADIANJULIWEI10mm。

  YIBANSUQIAOSHIDUANLUQIDEPADIANJULIDOUDADACHAOGUOGUIDINGDESHUZHI。ZONGSHANGSUOSHU,RUGUODIANQICHANPINDEDIANQIJIANXIHEPADIANJULI,DADAOJUEYUANPEIHEYAOQIU,JIUBUHUIYINWEIWAILAIGUODIANYAHUOXIANLUSHEBEIBENSHEN DECAOZUOGUODIANYAZAOCHENGSHEBEIDEJIEZHIDIANJICHUAN。GB7251.1-1997《DIYACHENGTAOKAIGUANSHEBEIHEKONGZHISHEBEIDIYIBUFEN:XINGSHISHIYANHEBUFENXINGSHISHIYANCHENGTAOSHEBEI》(DENGJIAOYU IEC439-1:1992),DUIJUEYUANPEIHEDEYAOQIUYUGB/T14048.1SHIWANQUANYIYANGDE。

YOUYIXIECHENGTAODIANQIZHIZAOCHANGTICHUDUANLUQIJIEXIANYONGTONGPAI,QIXIANGYUXIANGZHIJIANDE(KONGQI)JULIYINGDAYU12mm,YOUDESHENZHITICHUDUANLUQIDEDIANQIJIANXIYINGDAYU20mm。ZHEIZHONGYAOQIUSHIBUHELI DE,TAYIJINGCHAOCHULEJUEYUANPEIHEDEYAOQIU。DUIYUDADIANLIUGUIGE,WEILEBIMIANZAICHUXIANDUANLUDIANLIUSHICHANSHENGDIANDONGCHILI,HUOSHIDADIANLIUSHIDAOTIFARE,WEILEZENGJIASANREKONGJIAN,YINERSHIDANGJIAKUANXIANGJIANDE KONGJIANJULIYESHIKEYIDE。

此时无论是达到12mm或20mm,都可由成套电器制造厂自行解决,或请电器元件厂提供有弯头的接线端子或联结板(片)来实现。一般断路器出厂时,都提供 电源端相间的隔弧板,以防止电弧喷出时造成相间短路。零飞弧的断路器为防开断短路电流时有电离分子逸出,也安装这种隔弧板。如果没有隔弧板,则对裸铜排可 包扎绝缘带,其距离应不小100mm。