Mike Krzyzewski is really a famous coach of Dream Team. She has coached north america men's basketball team for some time, that's clinched numerous medals for his country. Following Londonfl jerseys supplyn Olympic was over, Krzyzewski told The Associated Press that this game will be his final one as national coach, a job he's held for seven years. He had left open the possibility of swomen nfl jerseystaying with the team beyond the London Games, when practice on Saturday said these will be his last Olympics.When asked if he was sure, Krzyzewski didn't hesitate before again saying, "yecheap nfl jerseys wholesales," this will be his last game "If we could win it, then it might be three major championships in a row, i always do not know when that has been done because we haven't usually won http://govoriotkrito.bg/libs/nflcn08.htmthe globe championships," Krzyzewski said. "It becomes an enormous thing for the program." Whatever, he's an awesome coach. His achievement are going to be remembered by the country.cheap nfl jerseys
<td id="gu7nx"><input id="gu7nx"></input></td>
<form id="gu7nx"><optgroup id="gu7nx"></optgroup></form>

    1. <style id="gu7nx"><kbd id="gu7nx"></kbd></style>
    公司產(chǎn)品   Product
    熱門產(chǎn)品   Hot
    搜索   Search

    HY5WS配電用

    更新:2013/9/26 12:43:29      點(diǎn)擊:
    • 產(chǎn)品品牌   
    • 產(chǎn)品型號   HY5WS
    • 產(chǎn)品描述

      HY5WS配電用,是上海人民電氣有限公司 http://www.hqbet5695.com 為您提供的關(guān)于HY5WS配電用型號,HY5WS配電用價格,有關(guān)HY5WS配電用的相關(guān)資料,上海人民電氣有限公司...

    產(chǎn)品介紹

    金屬氧化避雷器是國際上90年代的高科技產(chǎn)品。其采用了非線性伏-安特性十分優(yōu)異的氧氣鋅電阻片,故而避雷器的徒坡,雷電波,操作波下的保護(hù)特性均比傳統(tǒng)的碳化硅避雷器有了極大的改善。特別是氧化鋅電阻片具有良好的徒坡響應(yīng)特性,對陡坡電壓無遲延,操作殘壓低,沒有放電分散性等優(yōu)點(diǎn)。從而克服了碳化硅避雷器所固有的因陡坡放電遲延而引起的陡坡放電電壓高,操作波放電分散性大而導(dǎo)致操作波放電電壓高等缺點(diǎn),使得陡坡,操作波下的保護(hù)裕度大大地提高,而且在絕緣配合方面,能夠作到陡坡,雷電波,操作波的保護(hù)裕度接近一致,從而對電力設(shè)備提供最佳的保護(hù),進(jìn)而提高了保護(hù)的可靠性。氧化鋅避雷器同時具有吸收雷電過電壓,操作過電壓和工頻暫態(tài)過電壓的能力。
    ????復(fù)合外套金屬氧化鋅避雷器是國際90年代的高科技產(chǎn)品。采用整體硅橡膠模壓成型,密封性能好,防爆性能優(yōu)異,耐污穢免清洗,并能減少霧天濕閃發(fā)生,耐電蝕抗老化,體積小重量輕,耐碰撞,便于安裝和維護(hù)。是瓷套避雷器的更新?lián)Q代產(chǎn)品。

    環(huán)境溫度:不高于+40℃,不低于-40℃;
    海拔高度:不超過2000m;
    電源頻率:50±2Hz;60±2Hz;
    地震強(qiáng)度:7度以下;
    最大風(fēng)速:35m/s;
    免清掃條件:中等污穢及以下地區(qū);
    對無間隙產(chǎn)品,長期施加的工頻電壓不得超過避雷器持續(xù)運(yùn)行電壓;
    對有間隙產(chǎn)品,安裝點(diǎn)短時工頻電壓升高不得超過避雷器額定電壓。
    長期使用于以下異常條件,避雷器需特別制作,定貨時應(yīng)說明:
    溫度或海拔超標(biāo)(高原、熱帶、寒帶、全封閉柜用、靠近電爐等)
    使用環(huán)境存在嚴(yán)重潮氣或腐蝕性氣體雜質(zhì)(水上、鹽場、化工廠等);
    強(qiáng)紫外線輻射(高原、強(qiáng)日照干旱地區(qū)等);
    特重污穢地區(qū)(礦山工作面、建筑工地工作面等)。

    更多產(chǎn)品
    亚洲色欲大片AAA无码,欧美精品一区三区在线观看,久久精品人人做人人爽不卡,国产日韩伦精无码一区二区
    <td id="gu7nx"><input id="gu7nx"></input></td>
    <form id="gu7nx"><optgroup id="gu7nx"></optgroup></form>

    1. <style id="gu7nx"><kbd id="gu7nx"></kbd></style>