弗吉尼亞Rosslyn消息，美國(guó)電氣制造商協(xié)會(huì)（NEMA）已經(jīng)對(duì)ICS61800可調(diào)速電源驅(qū)動(dòng)系統(tǒng)第一部分：基礎(chǔ)要求——低壓可調(diào)整速直流電源驅(qū)動(dòng)系統(tǒng)進(jìn)行了重新審定。 用于可調(diào)速直流驅(qū)動(dòng)系統(tǒng)的ICS61800（R2007）包括：電力轉(zhuǎn)換，控制設(shè)備、發(fā)動(dòng)機(jī)和發(fā)電機(jī)，不包括牽引和電氣交通設(shè)備。此項(xiàng)符合NEMA標(biāo)準(zhǔn)。 重新審定的內(nèi)容和范圍可以登錄網(wǎng)站查詢，硬拷貝可通過(guò)登錄www.nema.org/stds/ics61800-1.cfm 進(jìn)行購(gòu)買(mǎi)，價(jià)格為124美元，或是撥打800-854-7179（美國(guó)國(guó)內(nèi)）或303-397-7956（國(guó)際）聯(lián)系HIS進(jìn)行購(gòu)買(mǎi)，或是登http://global.ihs.com。 關(guān)于NEMA NEMA是美國(guó)電氣工業(yè)制造商協(xié)會(huì)的簡(jiǎn)稱(chēng)，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(xiāo)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 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]