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

CRCGIS柜式 气体全绝缘全封闭金属开关柜(六氟化硫环网柜)

更新:2013/9/27 15:33:37      点击:
  • 产品品牌   
  • 产品型号   CRCGIS
  • 产品描述

    CRCGIS柜式 气体全绝缘全封闭金属开关柜(六氟化硫环网柜),是上海人民电气有限公司 http://www.shamandq.com 为您提供的关于CRCGIS柜式 气体全绝缘全封闭金属开关柜(六氟...

产品介绍

产品简介:

CRCGIS型气体绝缘式金属封闭开关设备(以下简称充气式环网柜)是以低压力SF6气体作为绝缘和开断介质的50Hz三相交流户内高压配电设备。环网柜密封箱体内分别装有负荷开关、负荷开关+限流熔断器、断路器等基本开关元件,利用负荷开关控制回路、开合负荷电流、过载电流;利用负荷开关+限流熔断器控制、开合、隔离变压器及其配送回路,对中压变压器的中压侧、变压器及低压配电回路内的短路电流及过载电流进行保护,利用断路器对设备或线路进行保护。利用基本单元可以做成共箱式柜或基本单元拓展成为多种配电系统方案。共箱最多可以为六共箱,拓展型式可以无限拼接。可以根据一次主接线,将CRCGIS-12 (F) 、  CRCGIS-12 (R)、 CRCGIS-12 (V) 气体绝缘式金属封闭开关设备进行组合,然后并柜使用,构成环网供电回路。断路器柜、负荷开关柜、组合电器柜也可分别单独使用。主要用于12kV及以下的二次配电系统,适用12kV供电线路的环网供电或双辐射供电,当某段线路发生故障时,经线路重组后使故障段隔离,可及时恢复健全线路的供电,大大提高了供电的可靠性和利用率。适用于电缆馈电网络的工商业区或农村乡镇的供电负荷大密度高的地区。使用安全、不受气候影响、安装容易、维修少,节省地方,很适合装于箱式变电站中。

产品特点:

1.小型化、全封闭、全绝缘、防凝露、抗污秽、高绝缘

2.寿命长:负荷开关10000次,断路器20000次。

3.适合高海拔:4000米

4。适合低温度:-45度

5.容量大:断路器柜额定电流1250A,开断电流31.5KA

遵循标准          

GB 3906           3.6~40.5kV交流金属封闭开关设备
GB/T 11022      高压开关设备和控制设备的共同技术要求
GB 3804           3.6kV~40.5kV交流高压负荷开关
GB 1985           高压交流隔离开关和接地开关
GB 1984           高压交流断路器
GB 3309           高压开关设备常温下的机械试验
GB 16926         交流高压负荷开关熔断器组合电器
GB 8905           六氟化硫电气设备中气体管理和检验导则
GB 11023         高压开关设备六氟化硫气体密封试验导则

产品型号及含义

环境温度:最高+55℃,最低-45℃?????????
环境湿度:日平均相对湿度:≤95%,月平均相对湿度:≤90%,日平均饱和蒸汽压:≤2.2×10-3Mpa,月平均饱和蒸汽压:≤2.2X10-3Mpa????????
海拔高度:≤ 4000m?????????
地震烈度:不超过8级

更多产品