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可控放电避雷针

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可控放电避雷针

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可控放电避雷针


可控放电避雷针的保护原理


LEIYUNDUIDIMIANWUTIFANGDIANBUWAIHUYIXIALIANGZHONGFANGSHI:SHANGXINGLEISHANHEXIAXINGLEISHAN。YIBANLAISHUO,XIAXINGLEISHANSHI,XIANDAOZISHANGERXIAFAZHAN,ZHUFANGDIANGUOCHENGFASHENGZAI


DIMIAN(HUODIMIANWUTI)FUJIN,SUOYIDIANHEGONGYINGCHONGFEN,FANGDIANGUOCHENGLAIDEXUNSU,ZAOCHENGLEIDIANLIUFUZHIDA(PINGJUNZHIWEI 30 — 44kA ),DOUDUGAO( 24— 40kA/μ s);SHANGXINGLEISHAN,YIBANMEIYOUZISHANGERXIADEZHUFANGDIAN,TADEFANGDIANDIANLIUYOUBUDUANXIANGSHANGFAZHANDEXIANDAOGUOCHENGCHANSHENG,JISHIYOUZHUFANGDIANYINLEIYUNXIANGZHUFANGDIANTONGDAOGONGYINGDIANHEKUNNAN,SUOYIFANGDIANDIANLIUFUZHIXIAO(PINGJUNXIAOYU 7kA ),QIEDOUDUDI(XIAOYU 5kA/μ s)。


上行雷闪不仅雷击电流幅值小陡度低而且不绕击。这是因为上行雷闪先导是自下而上发展的,该先导或者直接进入雷云电荷中心,或者拦截自雷云向下发展的先导,这样中和雷云电荷的反应在上空进行,自雷云向下的先导就不会延伸到被保护对象上。上行雷闪还有另外一个特点是上行先导对地面物体还具有屏蔽作用,可减轻放电时在地面物体上的感应过电压。可控放电避雷针正是利用了上行雷闪的这些特点,通过巧妙的结构设计,使其能可靠地引发上行雷闪放电,从而达到中和雷云电荷,保护各类被保护对象的目的。

KEKONGFANGDIANBILEIZHENYOUZHENTOU、JIEDIYINXIAXIAN、JIEDIZHUANGZHIGOUCHENGYITAOBAOHUXITONG。TADEZHENTOUBUZAISHIDANZHEN,ERSHIYOUZHUZHEN、DONGTAIHUAN、ZHUNENGZHUANGZHIZUCHENG(TU 1 )


GENJUWEIBUDAIJINSHUXIANDEHUOJIAN (HUOJIANYINLEISHIYAN ) BIGAOCENGJIANZHUGENGRONGYIYINFASHANGXINGLEI


6

DEJINGYANFENXIDECHU,YAOCHENGGONGDIYINFASHANGXINGLEI,ZHENTOUXUDADAOYIXIAYAOQIU:


㈠ZAIYINFADESHANGXINGLEIFASHENGZHIQIAN,ZHENTOUFUJINDEKONGJIANDIANHEYINGJINLIANGSHAO,YIBIANYUZIZHUZHENZHENJIANXIANGSHANGFAZHANFANGDIANMAICHONG。


图片6.png

TU1 KEKONGFANGDIANBILEIZHENJIEGOUSHIYITU


㈡DANGXUYAOYINFASHANGXINGLEISHANSHI,ZHENJIANCHUDEDIANCHANGQIANGDUYINGZUGOUGAO,YIXUNSU


CHANSHENGFANGDIANMAICHONG。


XIAMIANTONGGUODUIKEKONGFANGDIANBILEIZHENDONGZUOGUOCHENGDEYANJIUSHUOMINGTAMANZULEZHEILIANGTIAOYAOQIU:


DANGKEKONGFANGDIANBILEIZHENANZHUANGCHUFUJINDEDIMIANDIANCHANGQIANGDUJIAODISHI(RULEIYUNLIKEKONGFANGDIANBILEIZHENJIBEIBAOHUDUIXIANGJULIJIAOYUANDENGQINGKUANG),LEIYUNBUHUIDUIDIMIANWUTIFASHENGFANGDIAN,CISHIKEKONGFANGDIANBILEIZHENZHENTOUDEZHUNENGZHUANGZHICHUYUZHUCUNLEIYUNDIANCHANGNENGLIANGGONGKUANG,YOUYUDONGTAIHUANDEZUOYONG,ZHENTOUSHANGBUBUJIAN(DONGTAIHUANHEZHUZHENZHENJIAN)CHUYUDIANWEIFUDONGZHUANGTAI,YUZHOUWEIDAQIDIANWEICHAXIAO,YINCIJIHUBUFASHENGDIANYUNFANGDIAN,JIBAOZHENGLEZAIYINFAFASHENGQIANZHENTOUFUJINDEKONGJIANDIANHEHENSHAODEYAOQIU。


7

图片7.png

DANGLEIYUNDIANCHANGSHANGSHENGDAOYUSHITAKENENGFASHENGDUIKEKONGZHENJIZHOUWEIBEIBAOHUWUFASHENGLEISHANSHI,ZHUNENGZHUANGZHILIJIZHUANRUSHINENGGONGKUANG,ZHEIYIZHUANBIANSHIZHUZHENZHENJIANDEDIANCHANGQIANGDUBUZAIBEIDONGTAIHUANXIANZHI,ZHENJIANDIANCHANGSHUNJIANSHANGSHENGSHUBAIBEI,SHIZHENJIANFUJINKONGQIXUNSUFANGDIAN,XINGCHENGHENQIANGDEFANGDIANMAICHONG,YINMEIYOUKONGJIANDIANHEDEZUAI,GAIFANGDIANMAICHONGZAILEIYUNDIANCHANGZUOYONGXIAKUAISUXIANGSHANGFAZHANCHENGSHANGXINGXIANDAO,QULANJIELEIYUNDIBUXIANDAOHUOJINRULEIYUNDIANHEZHONGXIN。RUGUOYICIMAICHONGYINFABUCHENGSHANGXINGXIANDAO,ZHUNENGZHUANGZHIJIYOUJINRUZHUNENGZHUANGTAI,TONGSHISHIYICIMAICHONGXINGCHENGDEKONGJIANDIANHEDEYIXIAOSAN,ZHUNBEIDIERCIMAICHONGCHANSHENG。RUCIXUNHUANZONGNENGCHENGGONGDIYINFASHANGXINGLEI。




KEKONGFANGDIANBILEIZHENDEBAOHUTEXING


WEILEYANZHENGKEKONGFANGDIANBILEIZHENSHIFOUDADAOLESHEJIMUDE,WOMENYONGZHENGJIXINGCAOZUOBOHEZHILIUFENBIEJINXINGLEYIXILIESHIYAN。



TU 4 SHIZAIDENGTONGTIAOJIANXIAYONGZHENGJIXINGCAOZUOBOFANGDIANHUODEDEKEKONGFANGDIANBILEIZHENYUFULANKE


LINBILEIZHENDEBAOHUQUXIAN。SHIYANSHIMONILEIYUNDIANJILIDIMIANGAODUWEI8.5m。


(YONGZHENGCAOZUOBOJINXINGSHIYANGENGQIEHELEISHANJILI: ① CAOZUOBOBOTOUSHANGSHENGHUANMAN,JIAOJIEJIN


YULEIDIANXIANDAOYUZHENZHIJIANKONGQIJIANXISHANGDEDIANYABIANHUAQINGKUANG。② LEIDIANFANGDIANSHIYIFENJIXIANDAODE



8


FANGSHIXIANGQIANTUIJINDE,YONGZHENGJIXINGCAOZUOBOSHIWEILEZAIMONIDIANJIYUZHENZHIJIANDEJIANXIZHONGSHIFANGDIANYOUJIGEXIANDAOFENJI)。


WEILEYANGEDIKAOHEKEKONGFANGDIANBILEIZHENDEBAOHUXINGNENG,CAOZUOBOSHIYANSHIMEIYOUFUJIAZHILIUDIANCHANG(LEIDIANFANGDIANFAZHANGUOCHENGSHI,DIMIANSHANGFANGYOUHENQIANGDEYOULEIYUNCHANSHENG


图片8.png


DEJINGDIANCHANG。GAIDIANCHANGZUOYONGYUKEKONGFANGDIANBILEIZHENDEZHUNENGZHUANGZHI,KEBAOZHENGZHENTOUNENGGOULIANXUFACHUYIXILIEMAICHONG,TIGAOYINFASHANGXINGLEIDECHENGGONGLV,YIBIANSHIDEDAODEJIEGUOGENGYANGE,DUIYUYINGYONGGENGANQUAN)。


由图 3 可知,可控放电避雷针的保护特性明显优于富兰克林避雷针,就主要参数绕击概率和保护范围而言,是令人非常满意的:


⑴KEKONGFANGDIANBILEIZHENYOUYIGEXIANGDANGDADEJIHUBUZAOSHOURAOJIDEBAOHUQUYU。LI


RUDANGRAOJIGAILVBUDAYU 0.001%SHI(XIANRANZAIZHEIYANGDERAOJIGAILVXIA,BEIBAOHUDUIXIANGZAORAOJIDEKENENGXINGSHIXIANGDANGXIANGDANGXIAODE)BAOHUJIAODUGAODA 55° ,XIANGBIZHIXIAFULANKELINBILEIZHENSHIJISHANGJIHUMEIYOUBUSHOURAOJIDEQUYU。


⑵DANGBEIBAOHUDUIXIANGZAOSHOURAOJIGAILVYUNXUDADAO 0.1%(MUQIANGUICHENGGUIDINGDEYUNXUZHI)SHI,KEKONGFANGDIANBILEIZHENDEBAOHUJIAODADAO 66 .4° ,ERFULANKELINBILEIZHENDEBAOHUJIAOYUANYUANDIYUCIZHI(YINCI,ZAILEIDIANHUODONGQIANGDEDIFANGYINGYONGFULANKELINBILEIZHENBAOHUSHIBUJINGJIDE,BEIBAOHUWUZAOLEIJIDEKENENGXINGYEHAICUNZAI,RUHUBEIYOULIANGGEDIANCHANGDESHENGYAZHANJIUCENGJINGZAOSHOUGUORAOJI)。


ZAIKEKONGFANGDIANBILEIZHENHECHUANTONGBILEIZHENDEDUIBISHIYANZHONG,ZAIKEKONGFANGDIANBILEIZHENDEZHENTOUKEYIQINGCHUDIKANDAOYIDUANJIAOZHANGDEZHIXIANBUFEN,ZHEISHUOMINGZAIZHEILIYOUXIANGSHANGFAZHANDEXIANDAO,ERZAIFULANKELINBILEIZHENDEZHENTOUSHANGDEFANGDIANGUIJISHANGZEJIANBUDAOZHEIYIMINGXIANZHIXIANDUAN,WUSHUCIDESHIYANBIAOMING,KEKONGFANGDIANBILEIZHENJIUSHIKAOCHANSHENGXIANGSHANGFANGDIANLAIJIANSHAORAOJIHEZENGDABAOHUJIAODE。



CONGQITASHIYANSHUJUKEJINYIBUSHUOMINGKEKONGFANGDIANBILEIZHENDEBAOHUXINGSHIYOUYUCHUANGZAOLECHANSHENGXIANGSHANGFANGDIANDETIAOJIANHESHIJISHANGFASHENGLEXIANGSHANGFANGDIANSUODEDAODEJIEGUO。


SHIYANJIEGUOBIAOMING :


(1)KEKONGFANGDIANBILEIZHENDEFANGDIANSHIJIANBIFULANKELINBILEIZHENPINGJUNTIQIAN 13.3μs。



(2)MONIDIANCHANGBIJIAODISHI,KEKONGFANGDIANBILEIZHENDEDIANYUNDIANLIUBIFULANKELINBILEIZHENDIDEDUO,


JIHUCHUYUWANQUANYIZHIZHUANGTAI。


(3)ZAIMONIDIANCHANGZENGJIADAONENGGOUQIDONGKEKONGFANGDIANBILEIZHENSHI,KEKONGFANGDIANBILEIZHENCHANSHENGDESHIMAI


CHONGSHIDIANYUNFANGDIANDIANLIU,QIDIANYUNDIANLIUFUZHIBIFULANKELINBILEIZHENDAHAOJISHIBEI,DANDIANYUNDIANLIU


DEPINGJUNZHIBIHOUZHEXIAO,ZHEIYOULIYUCONGDIANYUNXIANGXIANDAODIANHUDEZHUANHUA。





10

XUYAOZHICHUDESHIKEKONGFANGDIANBILEIZHENTEBIESHIHEGAOYASHUDIANXIANLUDEFANGLEI,TONGGUODUIBISHIYANFAXIAN:KEKONGFANGDIANBILEIZHENDEYINLEINENGLIBICHUANTONGBILEIZHENQIANGDEDUO,ERQIEYOUJIAODADEBAOHUJIAO,ZHEIYANGJIUKEYIJIANGDISHUDIANXIANLUDERAOJILV,LINGYIFANGMIANYOUYUKEKONGFANGDIANBILEIZHENDEZHUFANGDIANDIANLIUFUZHIXIAO、DOUDUDI ,GENJUSHUDIANXIANLUNAILEISHUIPINGDESHEJIYAOQIU(JIANBIAO 1),35kv-500kv DESHUDIANXIANLUSHIWANQUANKEYINAISHOUCILEIJIFANGDIANDIANLIUERBUHUITIAOZHA,YEBUHUIZAOCHENGDADEGANYINGGUODIANYA。

不同电压等级输电线路的耐雷水平





表 1













额定电压,单位 kv

35

60

110

154

220

330


500












线路耐雷水平 Io,单位 kA

20-30

30-60

40-85

90

80-120

140


150












KEKONGFANGDIANBILEIZHENZHUYAODIANQICANSHUTEXING


(1)ZHENGAO h≤ 200m SHI,BAOHUJIAO 65° ,XIANGYINGDIMIANBAOHUBANJINGWEI  2.14h,


LIDIMIANGAODU hx CHUSHUIPINGMIANBAOHUBANJINGWEI  2.14 ( h—hx )。


(2)ZHUFANGDIANDIANLIUDEPINGJUNFUZHIXIAOYU 7kA。


(3)ZHUFANGDIANDIANLIUDEDOUDU ≤ 5kA/μ s


(4)JIBENSHANGXIAOCHULELEISHANSHICHANSHENGDEGANYINGGUODIANYA。


(5)RAOJIGAILVBUDAYUSHIWANFENZHIYISHIDEBAOHUJIAOWEI 55° 。


(6)JIEDIDIANZU ≤ 10Ω (YIBANDIQU)、≤ 30Ω (ZAIGAOZUQUJIWURENQU)。


(7)KANGFENGNENGLIBUDIYUFENGSU 50m/s。

      

(8)ANZHUANGFANGBIAN,SHIYONGQINEIMIANWEIHU。

 可控放电避雷针的型号及适用范围            2

 

型 号

 

使用期(年)

 

适用范围

底部安装尺寸

D(mm)

FX-KK500

25

500KV及以上变电站、发电厂、微波站(塔)、证券、气象、电视塔、军火、油库、炸药库、雷达等需要严格要求防雷的各种措施。

200

FX-KK220

20

110KV、220KV变电站、微波站(塔)、电视塔及高层民用建筑。

200

FX-KK110

15

35KV、110KV变电站的防雷改造(取代传统避雷针)及较低民用建筑

100

 


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关键词:可控放电避雷针厂家,可控放电避雷针价格,可控放电避雷针批发

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