同步发电机和其它类型的旋转电机一样，由固定的定子和可旋转的转子两大部分组成。一般分为转场式同步电机和转枢式同步电机。
国常用的是转场式同步发电机，其定子铁心的内圆均匀散布着定子槽，槽内嵌放着按规律排列的三相对称绕组。这种同步电机的定子又称为电枢，定子铁心和绕组又称为电枢铁心和电枢绕组。
转子铁心上装有制成必定形状的成对磁极，磁极上绕有励磁绕组，通以直流电流时，将会在电机的气隙中形成极性相间的散布磁场，称为励磁磁场(也称主磁场、转子磁场)。
MSKO30C-0900-NN-M1-UG-NNNNREXROTH伺服电机型号
R911331139 MSK030B-0900-NN-M1-BG1-NNNN
R911308681 MSK030B-0900-NN-M1-UGO-NNNN
R911316327 MSK030B-0900-NN-M1-UGO-NSNN
R911308682 MSK030B-0900-NN-M1-UG1-NNNN
R911316328 MSK030B-0900-NN-M1-UG1-NSNN
R911308689 MSK030B-0900-NN-M1-UPO-NNNN
R911316329 MSK030B-0900-NN-M1-UPO-NSNN
R911308690 MSK030B-0900-NN-M1-UP1-NNNN
R911316330 MSK030B-0900-NN-M1-UP1-NSNN
R911339998 MSK030B-0900-NN-M3-UGO-NNNN
R911336020 MSK030B-0900-NN-M3-UG1-NNNN
R911346991 MSK030B-0900-NN-S1-AGO-NNNN
R911308677 MSK030B-0900-NN-S1-UGO-NNNN
R911384493 MSK030B-0900-NN-S1-UGO-NSNN
R911308678 MSK030B-0900-NN-S1-UG1-NNNN
R911308685 MSK030B-0900-NN-S1-UPO-NNNN
R911312638 MSK030B-0900-NN-S1-UPO-NSNN
R911308686 MSK030B-0900-NN-S1-UP1-NNNN
R911329166 MSK030B-0900-NN-S1-UP1-NSNN
R911340825 MSK030B-0900-NN-S3-UGO-NNNN
R911340047 MSK030B-0900-NN-S3-UG1-NNNN
R911340056MSK030B-0900-NN-S3-UPO-NNNN
R911329171 MSK030C-0900-NN-S1-UP1-NSNN
R911339991 MSK030C-0900-NN-S3-UGO-NNNN
R911338951MSK030C-0900-NN-S3-UG1-NNNN
R911335296 MSK030C-0900-NN-S3-UPO-NNNN
R911344407 MSK030C-0900-NN-S3-UP-NNNN
R911316887 MSK040B-0450-NN-M1-UGO-NNNN
R911339484 MSK040B-0450-NN-M1-UGO-NSNN
R911321001 MSK040B-0450-NN-M1-UG1-NNNN
R911342687 MSK040B-0450-NN-M1-UG1-NSNN
R911321452 MSK040B-0450-NN-M1-UPO-NNNN
R911346773 MSK040B-0450-NN-M1-UPO-NSNN
R911321668 MSK040B-0450-NN-M1-UP1-NNNN
R911343162 MSK040B-0450-NN-M1-UP1-NSNN
R911328773 MSK040B-0450-NN-M2-UGO-NNNN
R911331295 MSK040B-0450-NN-M2-UG-NNNN
R911335229 MSK040B-0450-NN-M2-UPO-NNNN
R911344768 MSK040B-0450-NN-M2-UP1-NNNN
R911339129 MSK040B-0450-NN-M3-UGO-NNNN
R911339990 MSK040B-0450-NN-M3-UG1-NNNN
R911336004 MSK040B-0450-NN-M3-UPO-NNNN
R911341047 MSK040B-0450-NN-M3-UP1-NNNN
R911316886 MSK040B-0450-NN-S1-UGO-NNNN
R911371662 MSK040B-0450-NN-S1-UGO-NSNN
R911321968 MSK040B-0450-NN-S1-UG1-NNNN
R911321778 MSK040B-0450-NN-S1-UPO-NNNN
