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三菱變頻器_正品全新原裝三菱變頻器FR-E740-3.7K-CHT 380V

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上海黎雨自動(dòng)化設(shè)備有限公司

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產(chǎn)品詳情

品牌:liyu\/黎雨自動(dòng)化

三菱變頻器:FR-D740-2.2K-CHT

三菱變頻器:FR-D740-1.5K-CHT

三菱變頻器:FR-D740-0.75K-CHT

三菱變頻器:FR-D740-3.7K-CHT

三菱變頻器:FR-D740-5.5K-CHT

三菱變頻器:FR-D740-7.5K-CHT

可售賣地:全國(guó)

三菱 通用變頻器;FR-D740-2.2K-CHT訂 貨 號(hào) :FR-D740-2.2K-CHT商品型號(hào):FR-D740-2.2K-CHT

1.變頻器的調(diào)速原理?

 交流異步電動(dòng)機(jī)的轉(zhuǎn)速計(jì)算公式為:?

 n=60f(1-s)/p?

 由公式知,改變電源的頻率時(shí),因同步轉(zhuǎn)速n與頻率f成正比變化,故異步電動(dòng)機(jī)的轉(zhuǎn)速n也隨之改變??梢?jiàn)變頻器調(diào)速是利用電動(dòng)機(jī)的同步轉(zhuǎn)速隨頻率變化的特性,通過(guò)改變電動(dòng)機(jī)的供電頻率進(jìn)行調(diào)速的。?

2.變頻器的調(diào)速方法?

 變頻器是用靜止變頻裝置(晶閘管)構(gòu)成變頻電源對(duì)異步電動(dòng)機(jī)進(jìn)行調(diào)速,它采用間接變換方式(交一直一交變頻)把交流電通過(guò)整流器變成直流電,再用逆變器將直流電變?yōu)轭l率可調(diào)整的交流電供給異步電動(dòng)機(jī)。如下圖:?

 AC/f1――整流器-DC――逆變器――AC/F2?

3.變頻器的優(yōu)點(diǎn)?

 3.1節(jié)約能源[舉例:在泵、鼓風(fēng)機(jī)和引風(fēng)機(jī)的使用中,由公式n=60f(1-s)/p知轉(zhuǎn)速與電源頻率成正比,即改變電源頻率就可以改變電動(dòng)機(jī)的轉(zhuǎn)速。理論上,流量(風(fēng)量)與轉(zhuǎn)速的一次方成正比,水壓(或風(fēng)壓)與轉(zhuǎn)速的平方成正比,所以軸功率與轉(zhuǎn)速的三次方成正比。可見(jiàn),與調(diào)節(jié)閥門相比,調(diào)節(jié)轉(zhuǎn)速具有十分明顯的節(jié)能效果。?

3.2減少啟動(dòng)時(shí)對(duì)電網(wǎng)的沖擊(無(wú)變頻器啟動(dòng)時(shí)啟動(dòng)電流是電動(dòng)機(jī)額定電流的5~7倍)。?

3.3減低噪聲,實(shí)現(xiàn)電動(dòng)機(jī)的軟啟動(dòng)和自由停車。?

3.4運(yùn)行方便、準(zhǔn)確,減少了員工的勞動(dòng)強(qiáng)度。?

3.6在泵的使用上消除了泵的喘振現(xiàn)象,使泵處于至佳運(yùn)行工況狀態(tài)。?

4.型號(hào)

FR-A720-5.5K

FR-A7AP

FR-A7NC

FR-A7NC-E KIT-C

FR-A820-00077-2-60(0.75KW)

FR-A820-00105-2-60(1.5KW)

FR-A820-00167-2-60(2.2KW)

FR-A820-00630-2-60(11KW)

FR-A820-2.2K-1

FR-A820-5.5K

FR-A840-00023-2-60(0.4KW)

FR-A840-00038-2-60(0.75KW)

FR-A840-00052-2-60(1.5KW)

FR-A840-00083-2-60(2.2KW)

FR-A840-00126-2-60(3.7KW)

FR-A840-00170-2-60(5.5KW)

FR-A840-00250-2-60(7.5KW)

FR-A840-00310-2-60(11KW)

FR-A840-00380-2-60(15KW)

FR-A840-00470-2-60(18.5KW)

FR-A840-00620-2-60(22KW)

FR-A840-00770-2-60(30KW)

FR-A840-00930-2-60(37KW)

FR-A840-01160-2-60(45KW)

FR-A840-01800-2-60(55KW)

FR-A840-02160-2-60

FR-A840-02160-2-60 75K

FR-A840-03250-2-60(160KW)

FR-A8AP

FR-A8NC

FR-A8NP

FR-ABR-3.7K

FR-ABR-H0.4K

FR-ABR-H0.75K

FR-ABR-H1.5K

FR-ABR-H2.2K

FR-ABR-H3.7K

FR-ABR-H5.5K

FR-ABR-H7.5K

FR-ADP

FR-BIF

FR-BIF-H

FR-BLF

FR-BSF01

FR-CC2-H560K-60

FR-CC2-H630K-60

FR-D720-0.1K

FR-D720-0.2K

FR-D720-0.4K

FR-D720-0.75K

FR-D720-1.5K

FR-D720-5.5K

FR-D720-7.5K

FR-D720S-0.4K-CHT

FR-D720S-0.75K-CHT

FR-D720S-1.5K-CHT

FR-D720S-2.2K-CHT

FR-D740-0.4K-CHT

FR-D740-0.75K-CHT

FR-D740-1.5K-CHT

FR-D740-2.2K-CHT

FR-D740-3.7K-CHT

FR-D740-5.5K-CHT

FR-D740-7.5K-CHT

FR-DU07

FR-E720-0.1K

FR-E720-0.2K

FR-E720-0.4K

FR-E720-0.75K

FR-E720-1.5K

FR-E720-15K-CHT

FR-E720-2.2K

FR-E720-3.7K

FR-E720-5.5K

FR-E720-5.5K

FR-E720-7.5K

FR-E720S-0.2K

FR-E720S-0.4K-CHT

FR-E720S-0.75K-CHT

FR-E720S-1.5K-CHT

FR-E720S-2.2K-CHT

FR-E740-0.4K-CHT

FR-E740-0.75K-CHT

FR-E740-1.5K-CHT

FR-E740-11K-CHT

FR-E740-15K-CHT

FR-E740-2.2K-CHT

FR-E740-3.7K-CHT

FR-E740-5.5K-CHT

FR-E740-7.5K-CHT

FR-F740-0.75K-CHT

FR-F740-1.5K-CHT1

FR-F740-11K-CHT1

FR-F740-15K-CHT1

FR-F740-18.5K-CHT1

FR-F740-2.2K-CHT1

FR-F740-22K-CHT1

FR-F740-3.7K-CHT1

FR-F740-30K-CHT1

FR-F740-37K-CHT1

FR-F740-45K-CHT

FR-F740-5.5K-CHT1

FR-F740-55K-CHT1

FR-F740-7.5K-CHT1

FR-F740-S110K-CHT

FR-F740-S132K-CHT

FR-F740-S160K-CHT

FR-F740-S185K-CHT

FR-F740-S220K-CHT

FR-F740-S250K-CHT

FR-F740-S280K-CHT

FR-F740-S315K-CHT

FR-F740-S355K-CHT

FR-F740-S400K-CHT

FR-F740-S450K-CHT

FR-F740-S500K-CHT

FR-F740-S500K-CHT

FR-F740-S560K-CHT

FR-F740-S630K-CHT

FR-F740-S630K-CHT

FR-F740-S75K-CHT

FR-F740-S90K-CHT

FR-F840-00023-2-60(0.75KW)

FR-F840-00038-2-60(1.5KW)

FR-F840-00052-2-60(2.2KW)

FR-F840-00083-2-60(3.7KW)

FR-F840-00126-2-60(5.5KW)

FR-F840-00170-2-60(7.5KW)

FR-F840-00250-2-60(11KW)

FR-F840-00310-2-60(15KW)

FR-F840-00380-2-60(18.5KW)

FR-F840-00470-2-60(22KW)

FR-F840-00620-2-60(30KW)

FR-F840-00770-2-60(37KW)

FR-F840-00930-2-60(45KW)

FR-F840-01160-2-60(55KW)

FR-F840-01800-2-60(75KW)

FR-F840-02160-2-60(90KW)

FR-F840-02600-2-60(110KW)

FR-F842-10940-2-60

FR-F842-12120-2-60

FR-FD

FR-HAL-H1.5K

FR-HAL-H30K

FR-HAL-H37K

FR-HCC2-H560K

FR-HCC2-H630K

FR-HEL-H0.4K

FR-HEL-H0.75K

FR-HEL-H1.5K

FR-HEL-H132K

FR-HEL-H2.2K

FR-HEL-H220K

FR-HEL-H3.7K

FR-HEL-H30K

FR-HEL-H37K

FR-HEL-H5.5K

FR-HEL-H7.5K

FR-HEL-H75K

FR-PA02-02

FR-PA07

FR-PU07


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