Through cell ammeter and armature magnetomotive force, we qualitativly analyze that harmonic magnetiv field has influence on motor operating performance, it can ensure whether slot coordination suits well or not.

• 通过槽电流表和槽磁动势图定性地分析电机的谐波磁场对电机运行性能的影响，由此确定电机所选槽配合是否合适。