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有关环网柜的发展方向分析

有关环网柜的发展方向分析

发布日期:2016-05-04 00:00 来源:http://buuurn.com 点击:

  YI、GUONEICHENGSHI10kVDIANWANGXIANZHUANG 

     WOGUO80NIANDAIZHONGQIYIQIAN,10kVPEIDIANXITONGSHIYIFANGSHESHIWEIZHU,FANGSHESHIYUSHUGANSHIXIANGJIEHEWEIFUDEJIEXIANFANGSHI,HENSHAOCAIYONGHUANWANGJIEXIAN。PEIDIANXITONGZHONGKAIGUANSHEBEIDEXUANYONGYIDUANLUQIWEIZHU,HENSHAOCAIYONGFUHEKAIGUAN。JUTONGJI,WOGUOFUHEKAIGUANHEDUANLUQIDEBILIDAYUESHI1∶10,10kVDIANYADENGJICHENGTAOKAIGUANJUDESHOUDIAN、KUIDIANJUJIHUDOUCAIYONGDUANLUQI。ZHEIZHONGCHUANTONGDE10kVPEIDIANFANGSHIBUJINZHANDIMIANJIDA、TOUZIGAO,ERQIEKEKAOXINGYEDI。 

华夏棋牌app下载     SUIZHESHICHANGJINGJIDEXUNSUFAZHAN,CHENGSHIGAOCENGJIANZHUHEDAXINGGONGGONGJIANZHUBUDUANYONGXIAN,CHENGSHIGONGNENGYUELAIYUEQUXIANGWANSHANHEFUZAHUA,DUIGONGDIANKEKAOXINGYAOQIUYUELAIYUEGAO,XUDUOYONGHUYAOQIUYOULIANGLUHUOLIANGLUYISHANGDIANYUANGONGDIAN。TEBIESHIYANHAIKAIFANGCHENGSHIDERENKOUMIDUJIZENG(JIANGCHAOGUO2WANREN/km2)HECHENGSHIJIANZHUMIDUDETIGAO,JIXIANLUFUSHEDAILAIKUNNAN,BINGSHIDIANWANGFUZAHUA,CHUXIANGUZHANGBUYIXUNSUCHAZHAOHEPAICHU。YINCI,CHUANTONGDE10kVPEIDIANXITONGDEGAIJINCHENGWEIBIRAN。 

三友电器设备

     ER、10kVPEIDIANXITONGDEFAZHANFANGXIANG 

     传统观念认为放射式配电,用断路器保护变压器,容易实现过流、瓦斯、温度保护,保护系统全面,供电可靠,而对于用熔断器保护变压器总是不够放心。但是,从国外技术发达国家的运行实践和一些资料来看,这些担心是多余的。熔断器保护变压器的特性比断路器更好,能有效地保护变压器。1989年国际配电网会议提供的资料表明,当变压器内部发生短路故障时,短路电弧会使油气化成气泡而占据原先属于油的空间,油将压力传递给变压器壳体,随着短路的持续而压力越来越大,直至油箱炸开。要使油箱不至炸裂,必须在20ms内切断故障。断路器的动作时间为保护动作时间和断路器固有动作时间两部分之和,其值大于60ms,而限流熔断器有速断功能,可在10ms内熔断而切除故障,达到有效地保护变压器的目的。三友电器设备

     FUHEKAIGUANHEDUANLUQIDEZUOYONGBUTONG,YINERQIJIEGOUXIANGCHASHENYUAN。YIGEKAIGUANTOURUHEQIEDUANFUHESHIJINGCHANGDE,ERDUANLUBAOHUZESHIJIGEBIEDE,DUANLUQIANHENSHAOFASHENGDEDUANLUDIANLIUSHEJI,MIEHUYAOQIUGAO,FENHEZHASUDUYAOQIUKUAI,YINCIJIEGOUFUZA,CAODONGJIGOUPANGDA,ZAOJIAANGGUI;FUHEKAIGUAN+RONGDUANQIZESHIBAKONGZHIHEBAOHULIANGGONGNENGFENKAI,DALIANGDE、JINGCHANGFASHENGDETOUQIEFUHEYONGFUHEKAIGUANLAIWANCHENG,ERJISHAOFASHENGDEDUANLUBAOHUYOURONGDUANQILAIWANCHENG。ZHEIYANG,KEJIANGJIEGOUFUZA、JIAGEANGGUIDEDUANLUQIYOUJIEGOUJIANDAN、JIAGEBIANYIDEFUHEKAIGUAN+RONGDUANQIDAITI。SHISHISHANG,WOMENSHIYONGDEDUANLUQI,DABUFENJINQIFUHEKAIGUANDEZUOYONG。 

     负荷开关的造价仅为断路器的30%~50%,负荷开关+熔断器的环网柜仅为用断路器的成套开关柜体积的60%~70%,高度也低,它不仅可减少高压配电室的面积并降低层高,而且环网柜不需操作电源,不需专门的控制室,可进一步减少占用面积,这对于高层建筑物内的配电所更具优越性。环网开关柜安装、调试方便,维护简单,易于实现电网自动化管理。可见采用环网柜比采用断路器柜带来的综合经济效益是显著的。 

     ZAOZAI80NIANDAIYIQIAN,WOGUOJIUYOURENTICHUHUANWANGGONGDIAN,DANYOUYUSHENGCHANHUANWANGJUDEJISHUBUCHENGSHU,YIZHIYINGXIANGHUANWANGJUDETUIGUANG。GAIGEKAIFANGYILAI,YANHAIKAIFANGCHENGSHIZIJINBIJIAOCHONGZU,DADUOXUANYONGJINKOUSHEBEI,BIRUABBGONGSISHENGCHANDERGCXINGSF6HUANWANGJU。ZUIJINJINIAN,WOGUOZAIYANZHIHEYINJINJISHUYONGYUHUANWANGJIEXIANDEFUHEKAIGUANHERONGDUANQIFANGMIANQUDELEHENDADECHENGJI,MUQIANKEGONGXUANZEDESHEBEIBUDUANWENSHI。QIEQIZONGHEJISHUXINGNENGJUNDA80NIANDAIHOUQIGUOJITONGLEICHANPINDESHUIPING。KEJIAN,XUANYONGHUANWANGGONGDIANJIHUANWANGJUSHIFUHEWOGUOGUOQINGFAZHANDEXUYAO,YESHIBIRANDE。TEBIESHIDUIYUFUHEJIAOJIZHONGDIQUTUIGUANGHUANWANGGONGDIANJUYOUZHONGYAOYIYI。 

华夏棋牌app下载     SAN、HUANWANGJUDEZHUYAOXINGNENGTEDIAN 

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     CAOZUOFANGSHISHOUDONG、JIAOLIUHUOZHILIUDIANDONGDANHUANGCHUNENGCAOZUOSHOUDONGDANHUANGCHUNENGCAOZUOSHOUDONGDANHUANGCHUNENGCAOZUOBAOHUJIXINHAOFANSHIXIANDIANLIUBAOHU、KEDAIWASI、CHAOWEN、QIANYA、JIEDI、DIANXINHAOFANSHIXIANDIANLIUBAOHU、KEDAIWASI、CHAOWEN、QIANYA、JIEDI、DIANXINHAOANSUOXUSHEZHIBAOHU、XINHAOSHEBEI


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