英維思3008
英維思3008
【廈門莫格電氣自動化有限公司】
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1、直流伺服電動機的基本結(jié)構(gòu)
圖為直流伺服電動機的結(jié)構(gòu)，主要包括定子、轉(zhuǎn)子、電刷與換向片三個部分
2. 直流伺服電動機的分類
?。?）根據(jù)電動機本身結(jié)構(gòu)的不同，可分為以下幾類：
改進型直流伺服電動機轉(zhuǎn)子的轉(zhuǎn)動慣量較小，過載能力較強，且具有較好的換向性能。
小慣量直流電動機zui大限度地減少了轉(zhuǎn)子的轉(zhuǎn)動慣量，能獲得的快速特性。
永磁直流伺服電動機能在較大過載轉(zhuǎn)矩下*地工作，轉(zhuǎn)動慣量較大，無勵磁回路損耗，可在低速下運轉(zhuǎn)。
無刷直流電動機由同步電動機和逆變器組成，而逆變器是由裝在轉(zhuǎn)子上的轉(zhuǎn)子位置傳感器控制。
?。?）根據(jù)直流電動機對勵磁繞組的勵磁方式不同，可分為他勵式、并勵式、串勵式和復(fù)勵式四種。
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