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 London 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 staying 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, "yes," 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 the 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.
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CRGZ1/PCD(W)直流电源柜(微机 控制)

更新:2013/9/27 15:32:09      点击:
  • 产品品牌   
  • 产品型号   CRGZ1/PCD(W)
  • 产品描述

    CRGZ1/PCD(W)直流电源柜(微机 控制),是上海人民电气有限 公司 http://www.shamandq.com 为您提供的关于  CRGZ1/PCD(W)直流电源柜(微机 控制)型号,CRGZ1/P...

产品介绍

产品简介:

GZ1(PCD(W))型直流电源柜 (微相控制)适用于大、中型发电厂、水电站和110kV-500kV输配电工程的更新 换代产品,也是新建大中型电力工程的最佳选择。也适用于冶金、铁道、矿山、石化等行业所需要的直流电源。具有结构设计新颖、美观大方、容量大、方案多、系统联络灵活、接线简单、元件型先进、检修维护方便,运行安全 可靠、性能稳定等特点。该产品采用高频开 关整流模块,MH备份1-2组蓄电池,互为备 用,可确保不间断电。本产品符合 JB/T5777.4-2000《电力系统直流电 源设备通用技术条件及安全要求》标准。

产品型号及含义:

产品特点:

1.采用模块化设计, N+1热备份,可平滑扩 容。2.模块采用国际最新 软开关电源技术,95%以上的元器件采用 高质量的知名品牌器件。采用硬件低差自主  均流技术,模块间 输出电流最大不平衡度小于5%。3.模块可带电插拔, 更换安全方便4.系统可选择两路交 流自动切换输入,主从备份,可靠性高。5.监控功能完善,高 智能化,采用大屏幕触摸屏汉字显示,声光告警。6.监控系统配有标准 RS232接口,采用电力部 标准通信规约,方便接入综合化系统或单独组网,实现“四  遥”及无人值守。 7.可实现供电一体化 方案,将通信电源,逆变器等均纳入监控系统进行监控。8.除可以管理单电池 组系统以外,还可以管理双电池组系统(指一套系统控制管理两组电池分别独立进行  均/浮充,两组之间互 不干扰),可带两组电池巡检仪。9.可满足母线分段要 求,包括微机绝缘检测仪也可满足母线分段的要求。10具有先进的电池温 度补偿功能。

系统参数:

稳流精度: ≤± 0.5%
噪音:≤45dB

稳流精度:
≤±0.5%?
均流不平衡度:
≤3%?
纹波系数:≤±
0.1%?
可靠性指数: MTBF
100000h
功率因数:≥
0.92
交流电压输入范围 :380V±
15%
????率:≥
94%?
交流电压频率范围 :50Hz±10%

?

1.海拔高度: 2000m
2.环境温度: -5℃ - +50℃
3.相对湿度:≤ 90%(20±5℃)
4.无导电及爆炸尘埃 ,无腐蚀性气体
5.无剧烈震动及冲击
6.室内使用且通风良 好

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