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国家能源局招标:“十二五”能源规划前期重大问题研究招标公告 [2009-08-27] |
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| “十二五”时期是我国经济和社会发展的重要战略机遇期,也是我国全面建设小康社会的关键期,能源产业面临前所未有的发展机遇和挑战。编制和实施好“十二五”能源发展规划,实现能源产业的可持续健康发展,对于保障国家能源安全,支撑经济社会发展具有重要现实意义。为提...
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AXIOMTEK announces PICO821 embedded computer [2009-08-27] |
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| August 27, 2009 - AXIOMTEK announced the PICO821 Pico-ITX SBC, which supports ultra low power Intel Atom processor Z510 1.10 GHz and Z530 1.60 GHz at 400/533 FSB with the Intel System Controller Hub US15W. The PICO821 is an incredibly small 10 x 7.2 ...
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Maple Systems releases three 10 inch widescreen HMIs [2009-08-27] |
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| August 27, 2009 - Maple Systems releases three 10 inch Graphic OIT models. These HMIs offer a substantial improvement in visual performance over standard interfaces. With a choice of Widescreen or High Resolution displays, these 10 inch models offer ...
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Celesco introduces SR1E string pot encoder [2009-08-27] |
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| August 27, 2009 - Celesco Transducer Products offers the SR1E, an incremental encoder that delivers a linear resolution of 101 pulses per inch, while providing a full stroke linear measurement range of up to 125 inches or 3 meters.
The SR1E ships w...
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Ethernet Direct releases tough HMG-628GE-CD Ethernet switch [2009-08-27] |
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| August 27, 2009 – Ethernet Direct launches HMG-628GE-CD, an enhanced version of Industrial Managed Gigabit switch that comes with extended operating temperature of -40 to 80 deg C especially designed for mission critical applications like in power &...
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Webinar: Wireless and Your DCS - Are You Ready? [2009-08-27] |
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| August 27, 2009 – The Wireless Industrial Networking Alliance (WINA), expert wireless resource for the industrial market, will present a live webinar on the role of wireless communications as part of a control system’s architecture and strategy.
...
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Delta Controls ORCAview software receives BACnet workstation Listing [2009-08-27] |
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| August 27, 2009 - Delta Controls' ORCAview Operator Workstation software Ver. 3.40 received the BACnet Advanced Workstation Software (B-AWS) listing from the BACnet International BACnet Testing Laboratories (BTL).
The Advanced Operator Workstation ...
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控制熔断器在拉(合)闸操作中的应用 [2009-08-27] |
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| 高压断路器 (以下称开关)的合闸与跳闸是按照它本身的控制回路实现的,控制回路的操作电源是由控制熔断器(以下称保险)提供的。因此,控制回路的控制保险是高压开关合闸与跳闸过程中不可缺少的一个元件。
在现行《电业安全工作规程》(发电厂及变电所电气部分)(以下称《...
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烧毁断路器分闸线圈的四点原因 [2009-08-27] |
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| 断路器 是一种负荷开关,具有短路和过载保护功能,其短路保护功能靠电磁线圈实现。因保护功能完善,维修、使用方便,断路器在电力系统应用广泛。
导致断路器分闸线圈烧毁的原因主要有以下四种:
分闸机构机械故障。线圈松动造成断路器分闸时电磁铁铁芯移位,使铁...
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断路器的拒动的原因 [2009-08-27] |
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| 1)直流回路断线;
(2)操作电压过低;
(3)转换接点接触不良;
(4)跳、合闸部分机械连杆有缺陷;
(5)220KV开关液压异常;
(6)220KVSF6开关气体压力低闭锁;
(7)同期或同期闭锁回路故障;
(8)保护投入不正确. 转载 断路器 拒动
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