57120001-DZ/4 57120001-DZ/4 

電動機有那幾種常用的起動方式，各有什么特點，軟起動器相對于其他幾種方式有什么優(yōu)點？ ? 電動機常用的起動方式有：直接全壓起動、自耦變壓器減壓起動、Y-△起動和軟起動器起動

等。 

?下表給出各種起動方式起動時電氣參數(shù)： 

起動方式 

電機端電壓% 起動電流為全負載

起動轉(zhuǎn)矩為全負載

轉(zhuǎn)矩Mn% 

電機線電流為全負載線電流IL% 

全壓起動 

100 600 180 600 自耦變壓器抽頭電壓比 

80 

480 115 480 65 390 76 390 50 

300 45 300 Y—△起動 100 198 60 390 軟起動器 

0～100 

0～600 

0～180 

? 軟起動器相對于其他幾種起動方式性能要*得多： 

起動轉(zhuǎn)矩可調(diào)，減小了直接起動時的大轉(zhuǎn)矩對機械的沖擊，能根據(jù)負載的工藝特點優(yōu)

化起動特性，基本上滿足了所有生產(chǎn)機械工藝的要求。----------------------------------------------
【公 司】： 廈門仲鑫航自動化設(shè)備有限公司
【主 營】： AB、GE、施耐德等各類PLC產(chǎn)品
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【電  話】：
【所在地】： 福建 - 廈門
【座 機】：
【來 源】： 供應(yīng)信息 > 電工、電氣 > PLC
【】： 3223786730
-----------------------------------------------

歡迎您來詢價  

在新的一年祝您洋洋得意 三陽開泰  喜氣洋洋  什么壞的都揚長而去

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Siemens(西門子)：Siemens MOORE， Siemens Simatic C1，Siemens數(shù)控系統(tǒng)等。

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電子傳動與控制，I/O模塊,PLC控制器,驅(qū)動器GE IC647/693/697/698系列。

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