MVI46-ADM

MVI46-ADM

轉(zhuǎn)子：轉(zhuǎn)子是永磁同步電機(jī)的旋轉(zhuǎn)部件，通常由永磁體和軸承組成。永磁體是由稀土永磁材料制成的磁鐵，固定在轉(zhuǎn)子上，用于產(chǎn)生磁場。軸承是支撐轉(zhuǎn)子的部件，通常分為滾動軸承和滑動軸承兩種類型。

內(nèi)置式轉(zhuǎn)子的磁路結(jié)構(gòu)主要有徑向式、切向式和混合式3種，它們之間的區(qū)別主要在于永磁體磁化方向與轉(zhuǎn)子旋轉(zhuǎn)方向關(guān)系的不同。圖2給出3種不同形式的內(nèi)置式轉(zhuǎn)子的磁路結(jié)構(gòu)。由于永磁體置于轉(zhuǎn)子內(nèi)部，轉(zhuǎn)子表面便可制成極靴，極靴內(nèi)置入銅條或鑄鋁等便可起到啟動和阻尼的作用，穩(wěn)態(tài)和動態(tài)性能都較好。又由于內(nèi)置式轉(zhuǎn)子磁路不對稱，這樣就會在運(yùn)行中產(chǎn)生磁阻轉(zhuǎn)矩，有助于提高電機(jī)本身的功率密度和過載能力，而且這樣的結(jié)構(gòu)更易于實(shí)現(xiàn)弱磁擴(kuò)速。

軛部、齒、槽：定子或者轉(zhuǎn)子上有鐵心或者繞銅線的地方，繞銅線的地方叫槽，而將槽分開的叫齒，將所有的齒連起來的部位較軛部（定子沖片槽底與外圓之間形成的區(qū)域）。

每極每相槽數(shù)：q=Z/（2*Np*m） Np為極對數(shù)，2Np為級數(shù)，Np極對數(shù)，對應(yīng)繞組的兩個線圈邊。

若q比較大，采用雙層短距繞組，（繞組跨距小于一個極距）。

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