弗吉尼亚州ROSSLYN消息,美国国家电气制造商协会(NEMA)推出MG12006《马达与发电机》修订版MG1-2007。
此版本结合以前公布的关于50赫兹和60赫兹NEMA Premium®电动马达的信息,对全部目录进行了修正;更新了参考标准;比较了NEMA Premium®50赫兹和60赫兹电动马达满负荷的效率;对多相感应电机端子标记进行了分类;给出了环境温度低于40度高于0度时制冷机的温度上升方程式。
MG 1的内容和范围可以查看MG1-2006全部内容, 1-2007修订版可以登录NEMA网站:www.nema.org/stds/mg1.cfm 进行购买,价格为:245美元。登录修订版页面www.nema.org/stds/MG1-2006Rev1-2007-revisedpages.cfm ,价格仅为177美元。任意一个版本都可以联系IHS进行购买,号码为:800-854-7179(美国),303-397-7956 (国际)或是303-397-2740 (传真)。
NEMA是美国电气工业制造商协会的简称,成立于1926年,总部位于华盛顿附近,现约有450名会员公司,制造的产品应用的领域有:生产,传送和分配,控制及电气的终端使用。这些产品可应用的行业有:公用设施,医疗成像,工业,商业,制度上用和居民应用。美国国内生产的电气产品出销到国外的超过1200亿美元。除位于弗吉尼亚Rosslyn的总部外,NEMA在北京,圣保罗和墨西哥市都有办事处。
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NEMA Publishes MG 1-2006 Revision 1 2007 Motors and Generators
(ROSSLYN, Va.)—The National Electrical Manufacturers Association (NEMA) has published MG 1-2006 Revision 1 2007 Motors and Generators.
This edition incorporates previously published information about 50 and 60-Hz NEMA Premium® electric motors. It features an entirely revised Table of Contents; updated referenced standards; full-load efficiencies of 50 and 60-Hz NEMA Premium® electric motors; clarifications of terminal markings of polyphase-induction machines; revised illustrations; and equations for temperature rises for air-cooled machines for ambients lower than 40o C, but not below 0o C.
The contents and scope of MG 1 may be viewed or the entire MG1-2006, Revision 1 2007 may purchased for $245 by visiting NEMA’s website atwww.nema.org/stds/mg1.cfm. Revised pages only may be purchased for $177 at www.nema.org/stds/MG1-2006Rev1-2007-revisedpages.cfm . Either edition may also be purchased by contacting IHS at 800-854-7179 (within the U.S.), 303-397-7956 (international), or 303-397-2740 (fax).
NEMA is the trade association of choice for the electrical manufacturing industry. Founded in 1926 and headquartered near Washington, D.C., its approximately 450 member companies manufacture products used in the generation, transmission and distribution, control, and end-use of electricity. These products are used in utility, medical imaging, industrial, commercial, institutional, and residential applications. Domestic production of electrical products sold worldwide exceeds $120 billion. In addition to its headquarters in Rosslyn, Virginia, NEMA also has offices in Beijing, São Paulo, and Mexico City. |