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異步電動(dòng)機(jī)

情景二單相異步電動(dòng)機(jī) 任務(wù)2 3單相異步電動(dòng)機(jī)的認(rèn)識(shí)與應(yīng)用構(gòu)與工作原理 知識(shí)目標(biāo)1 掌握單相異步電動(dòng)機(jī)的結(jié)構(gòu) 2 掌握單相異步電動(dòng)機(jī)的工作原理 3 了解單相異步電動(dòng)機(jī)的類型 4 了解單相異步電動(dòng)機(jī)的應(yīng)用 能力目標(biāo)單相。三相異步電動(dòng)機(jī)的正反轉(zhuǎn)控制線路。

異步電動(dòng)機(jī)Tag內(nèi)容描述:

1、戶內(nèi)、戶外防腐防爆異步電動(dòng)機(jī) 環(huán)境技術(shù)要求 (機(jī)座號(hào) 45710) 537 1999 國(guó)家機(jī)械工業(yè)局 1999 08 06 批準(zhǔn) 2000 01 01 實(shí)施 前 言 本標(biāo)準(zhǔn)是對(duì) 03 89戶內(nèi)、戶外防腐防爆異步電動(dòng)機(jī)環(huán)境技術(shù)要求 (機(jī)座號(hào) 46 710)進(jìn)行的修訂。 修訂后的 537 1999 的技術(shù)內(nèi)容與 04 003 89 基本一致。按 T 1 11993、 T 1 3 1997,增加了前言、引用標(biāo)準(zhǔn),對(duì)本標(biāo)準(zhǔn)的編寫格式作了調(diào)整,并 對(duì)不宜強(qiáng)制執(zhí)行的內(nèi)容,如 4 6 條關(guān)于防腐防爆電動(dòng)機(jī)表面涂漆工藝的規(guī)定予以刪除。 本標(biāo)準(zhǔn)自實(shí)施之日起代替 04 003 89。 本標(biāo)準(zhǔn)由廣州電器科學(xué)研究所提出并歸口。 本標(biāo)準(zhǔn)由廣州。

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7、購(gòu)買設(shè)計(jì)文檔后加 費(fèi)領(lǐng)取圖紙 購(gòu)買設(shè)計(jì)文檔后加 費(fèi)領(lǐng)取圖紙 畢業(yè)設(shè)計(jì)說(shuō)明書 論文題目:三相異步電動(dòng)機(jī)的正反轉(zhuǎn)及順序控制電路的設(shè)計(jì) 系 部: 專 業(yè): 班 級(jí): 學(xué)生姓名: 學(xué) 號(hào): 指導(dǎo)教師: 2016年 3月 18日 購(gòu)買設(shè)計(jì)文檔后加 費(fèi)領(lǐng)取圖紙 購(gòu)買設(shè)計(jì)文檔后加 費(fèi)領(lǐng)取圖紙 I 目 錄 摘要 . 緒論。

8、http:/www.china-gczx.com三相異步電動(dòng)機(jī)項(xiàng)目可行性研究報(bào)告 (用途:發(fā)改委甲級(jí)資質(zhì)、立項(xiàng)、 審批、 備案、申請(qǐng)資金、節(jié)能評(píng)估等 ) 版權(quán)歸屬: 中國(guó)項(xiàng)目工程咨詢網(wǎng) www.china-gczx.com 編制工程師: 范兆文 【 微信公眾號(hào) 】:中國(guó)項(xiàng)目工程咨詢網(wǎng) 或 xmkxxyjbg http:/www.china-gczx.com/ - 2 -項(xiàng)目可行性研究報(bào)告 簡(jiǎn)稱可研,是在制訂生產(chǎn)、基建、科研計(jì)劃的前期,通過(guò)全面的調(diào)查研究,分析論證某個(gè)建設(shè)或改造工程、某種科學(xué)研究、某項(xiàng)商務(wù)活動(dòng)切實(shí)可行而提出的一種書面材料。 項(xiàng)目可行性研究報(bào)告主要是通過(guò)對(duì)項(xiàng)目的主要內(nèi)容和配套條件,。

9、http:/www.china-gczx.com三相異步電動(dòng)機(jī)項(xiàng)目可行性研究報(bào)告 (用途:發(fā)改委甲級(jí)資質(zhì)、立項(xiàng)、 審批、 備案、申請(qǐng)資金、節(jié)能評(píng)估等 ) 版權(quán)歸屬: 中國(guó)項(xiàng)目工程咨詢網(wǎng) www.china-gczx.com 編制工程師: 范兆文 【 微信公眾號(hào) 】:中國(guó)項(xiàng)目工程咨詢網(wǎng) 或 xmkxxyjbg http:/www.china-gczx.com/ - 2 -項(xiàng)目可行性研究報(bào)告 簡(jiǎn)稱可研,是在制訂生產(chǎn)、基建、科研計(jì)劃的前期,通過(guò)全面的調(diào)查研究,分析論證某個(gè)建設(shè)或改造工程、某種科學(xué)研究、某項(xiàng)商務(wù)活動(dòng)切實(shí)可行而提出的一種書面材料。 項(xiàng)目可行性研究報(bào)告主要是通過(guò)對(duì)項(xiàng)目的主要內(nèi)容和配套條件,。

10、,變頻器的輸出電壓大小與頻率大小是同步對(duì)應(yīng)調(diào)整,電動(dòng)機(jī)從靜止開(kāi)始起動(dòng),其過(guò)程頻率由低調(diào)到高,起動(dòng)時(shí)頻率低電抗值小,起動(dòng)電壓低,利用低頻起動(dòng)具有,.,既可以提高起動(dòng)力矩,又可以降低起動(dòng)電流的優(yōu)點(diǎn),所以轉(zhuǎn)子槽可以設(shè)計(jì)大一點(diǎn),降低轉(zhuǎn)子導(dǎo)條電阻,減小轉(zhuǎn)子銅耗,繞組的匝數(shù)繞組系數(shù)繞組相數(shù)極數(shù)等是不,.,變值,變頻器的輸出電壓大小和頻率是同步對(duì)應(yīng)調(diào)整,氣隙磁通中基本也不變,變頻調(diào)速保持電機(jī)的力能指標(biāo)刀基本不變,則電機(jī)的線負(fù)荷也基本不變,由變頻,.,器輸出電壓作為變頻調(diào)速異步電動(dòng)機(jī)的輸入電源,當(dāng)恒轉(zhuǎn)矩負(fù)載時(shí),電動(dòng)機(jī)的輸。

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