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.

HRW10跌落式开关

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被广泛应用于12kV/15KV配电线路和配电变压器一次侧作为保护和进行设备投、切操作之用。?? 主要分为:陶瓷跌落式开关跟硅橡胶跌落式开关,主要型号:RW3/RW7/RW9/RW10/RW11,硅橡胶隔离开关在型号前面加“H”,根据地区的不同,火博体育登陆的外形也有所不同,随着现在技术的发展,现在硅橡胶跌落式开关用途广泛。?? 一般情况下不允许带负荷操作跌落式开关,只允许其操作空载设备(线路)。但在农网10kV配电线路分支线和额定容量小于200kVA的配电变压器允许按下列要求带负荷操作:?? (1) 操作时由两人进行(一人监护,一人操作),但必须戴经试验合格的绝缘手套,穿绝缘靴、戴护目眼镜,使用电压等级相匹配的合格绝缘棒操作,在雷电或者大雨的气候下禁止操作。?? (2) 在拉闸操作时,一般规定为先拉断中间相,再拉背风的边相,最后拉断迎风的边相。这是因为配电变压器由三相运行改为两相运行,拉断中间相时所产生的电弧火花最小,不致造成相间短路。其次是拉断背风边相,因为中间相已被拉开,背风边相与迎风边相的距离增加了一倍,即使有过电压产生,造成相间短路的可能性也很小。最后拉断迎风边相时,仅有对地的电容电流,产生的电火花则已很轻微。?? (3) 合闸的时候操作顺序拉闸时相反,先合迎风边相,再合背风的边相,最后合上中间相。?? (4) 操作熔管是一项频繁的项目,注意不到便会造成触头烧 伤引起接触不良,使触头过热,? 弹簧退火,促使触头接触更为不良,形成恶性循环。
.适用于环境温度上限40℃,下限-30℃之内。 2.海拔不超过1000m,风速不大于35m/s 3.熔断器不适用于下述场所 3.1有燃料或爆炸危险的场所。 3.2有剧烈震动或冲击的场所。? 3.3有异电化学气体作用及严重空气污秽,烟雾地区。

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