弗吉尼亞Rosslyn消息，美國電氣制造商協會（NEMA）已經對ICS61800可調速電源驅動系統第一部分：基礎要求——低壓可調整速直流電源驅動系統進行了重新審定。 用于可調速直流驅動系統的ICS61800（R2007）包括：電力轉換，控制設備、發動機和發電機，不包括牽引和電氣交通設備。此項符合NEMA標準。 重新審定的內容和范圍可以登錄網站查詢，硬拷貝可通過登錄www.nema.org/stds/ics61800-1.cfm 進行購買，價格為124美元，或是撥打800-854-7179（美國國內）或303-397-7956（國際）聯系HIS進行購買，或是登http://global.ihs.com。 關于NEMA NEMA是美國電氣工業制造商協會的簡稱，成立于1926年，總部位于華盛頓附近，現約有450名會員公司，制造的產品應用的領域有：生產，傳送和分配，控制及電氣的終端使用。這些產品可應用的行業有：公用設施，醫療成像，工業，商業，制度上用和居民應用。美國國內生產的電氣產品出銷到國外的超過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 reaffirmed ICS 61800 Adjustable Speed Electrical Power Drive Systems Part 1: General Requirements — Rating Specifications for Low Voltage Adjustable Speed D.C. Power Drive Systems. ICS 61800 （R2007） applies to general purpose adjustable speed D.C. drive systems that include power conversion, control equipment, and a motor or motors. Excluded are traction and electrical vehicle drives. It is approved as an American National Standard. The contents and scope may be viewed, or a copy purchased for $124 by visiting NEMA’s Web site at www.nema.org/stds/ics61800-1.cfm, or by contacting IHS at 800-854-7179 （within the U.S.）, 303-397-7956 （international）, 303-397-2740 （fax）, or on the Web athttp://global.ihs.com. 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]