弗吉尼亞州ROSSLYN消息，美國(guó)國(guó)家電氣制造商協(xié)會(huì)（NEMA）推出MG12006《馬達(dá)與發(fā)電機(jī)》修訂版MG1-2007。 此版本結(jié)合以前公布的關(guān)于50赫茲和60赫茲NEMA Premium®電動(dòng)馬達(dá)的信息，對(duì)全部目錄進(jìn)行了修正；更新了參考標(biāo)準(zhǔn)；比較了NEMA Premium®50赫茲和60赫茲電動(dòng)馬達(dá)滿負(fù)荷的效率；對(duì)多相感應(yīng)電機(jī)端子標(biāo)記進(jìn)行了分類；給出了環(huán)境溫度低于40度高于0度時(shí)制冷機(jī)的溫度上升方程式。 MG 1的內(nèi)容和范圍可以查看MG1-2006全部?jī)?nèi)容, 1-2007修訂版可以登錄NEMA網(wǎng)站：www.nema.org/stds/mg1.cfm 進(jìn)行購(gòu)買(mǎi)，價(jià)格為：245美元。登錄修訂版頁(yè)面www.nema.org/stds/MG1-2006Rev1-2007-revisedpages.cfm ，價(jià)格僅為177美元。任意一個(gè)版本都可以聯(lián)系IHS進(jìn)行購(gòu)買(mǎi)，號(hào)碼為：800-854-7179（美國(guó)），303-397-7956 （國(guó)際）或是303-397-2740 （傳真）。 NEMA是美國(guó)電氣工業(yè)制造商協(xié)會(huì)的簡(jiǎn)稱，成立于1926年，總部位于華盛頓附近，現(xiàn)約有450名會(huì)員公司，制造的產(chǎn)品應(yīng)用的領(lǐng)域有：生產(chǎn)，傳送和分配，控制及電氣的終端使用。這些產(chǎn)品可應(yīng)用的行業(yè)有：公用設(shè)施，醫(yī)療成像，工業(yè)，商業(yè)，制度上用和居民應(yīng)用。美國(guó)國(guó)內(nèi)生產(chǎn)的電氣產(chǎn)品出銷到國(guó)外的超過(guò)1200億美元。除位于弗吉尼亞Rosslyn的總部外，NEMA在北京，圣保羅和墨西哥市都有辦事處。 [font=times]original text [/font] [font=times][color=#708090]（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.[/color][/font]