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电机分类

  • 发布日期:2019-03-21 总浏览:

1.按工作电源种类划分:可分为直流电机和交流电机。

1)直流电动机按结构及工作原理可划分:无刷直流电动机和有刷直流电动机。

有刷直流电动机可划分:永磁直流电动机和电磁直流电动机。

电磁直流电动机划分:串励直流电动机、并励直流电动机、他励直流电动机和复励直流电动机。

永磁直流电动机划分:稀土永磁直流电动机、铁氧体永磁直流电动机和铝镍钴永磁直流电动机。

2)其中交流电机还可划分:单相电机和三相电机。

2.按结构和工作原理可划分:可分为直流电动机、异步电动机、同步电动机。

1)同步电机可划分:永磁同步电动机、磁阻同步电动机和磁滞同步电动机。

2)异步电机可划分:感应电动机和交流换向器电动机。

感应电动机可划分:三相异步电动机、单相异步电动机和罩极异步电动机等。

交流换向器电动机可划分:单相串励电动机、交直流两用电动机和推斥电动机。

3.按起动与运行方式可划分:电容起动式单相异步电动机、电容运转式单相异步电动机、电容起动运转式单相异步电动机和分相式单相异步电动机。

4.按用途可划分:驱动用电动机和控制用电动机。

1)驱动用电动机可划分:电动工具(包括钻孔、抛光、磨光、开槽、切割、扩孔等工具)用电动机、家电(包括洗衣机、电风扇、电冰箱、空调器、录音机、录像机、影碟机、吸尘器、照相机、电吹风、电动剃须刀等)用电动机及其他通用小型机械设备(包括各种小型机床、小型机械、医疗器械、电子仪器等)用电动机。

2)控制用电动机又划分:步进电动机和伺服电动机等。

5.按转子的结构可划分:笼型感应电动机(旧标准称为鼠笼型异步电动机)和绕线转子感应电动机(旧标准称为绕线型异步电动机)。

6.按运转速度可划分:高速电动机、低速电动机、恒速电动机、调速电动机。低速电动机又分为齿轮减速电动机、电磁减速电动机、力矩电动机和爪极同步电动机等。

调速电动机除可分为有级恒速电动机、无级恒速电动机、有级变速电动机和无级变速电动机外,还可分为电磁调速电动机、直流调速电动机、PWM变频调速电动机和开关磁阻调速电动机。

异步电动机的转子转速总是略低于旋转磁场的同步转速。

同步电动机的转子转速与负载大小无关而始终保持为同步转速。


1. According to the type of working power supply, it can be divided into DC motor and AC motor.

1) DC motor can be divided into brushless DC motor and brushless DC motor according to its structure and working principle.

Brush DC motor can be divided into permanent magnet DC motor and electromagnetic DC motor.

Electromagnetic DC motor is divided into series DC motor, parallel DC motor, separate DC motor and compound DC motor.

Permanent magnet DC motors are divided into rare earth permanent magnet DC motors, ferrite permanent magnet DC motors and Al-Ni-Co permanent magnet DC motors.

2) Among them, AC motor can also be divided into single-phase motor and three-phase motor.

2. According to the structure and working principle, it can be divided into DC motor, asynchronous motor and synchronous motor.

1) Synchronous motor can be divided into permanent magnet synchronous motor, reluctance synchronous motor and hysteresis synchronous motor.

2) Asynchronous motor can be divided into induction motor and AC commutator motor.

Induction motors can be divided into three-phase asynchronous motor, single-phase asynchronous motor and cover-pole asynchronous motor.

AC commutator motors can be divided into single-phase series motor, AC/DC dual-purpose motor and repulsive motor.

3. According to the starting and operation mode, it can be divided into capacitor-starting single-phase asynchronous motor, capacitor-running single-phase asynchronous motor, capacitor-starting single-phase asynchronous motor and split-phase single-phase asynchronous motor.

4. It can be divided into driving motor and controlling motor.

1) Driving motors can be divided into electric motors for electric tools (including drilling, polishing, polishing, slotting, cutting, reaming, etc.), electric motors for household appliances (including washing machines, fans, refrigerators, air conditioners, tape recorders, video recorders, vacuum cleaners, cameras, hair dryers, electric shavers, etc.) and other general small mechanical equipment (including various types). Electric motors for small machine tools, small machines, medical instruments, electronic instruments, etc.

2) Control motors are divided into stepping motors and servo motors.

5. According to the structure of the rotor, it can be divided into cage induction motor (squirrel cage induction motor) and winding rotor induction motor (winding induction motor).

6. According to the running speed, it can be divided into high-speed motor, low-speed motor, constant-speed motor and speed-regulating motor. Low-speed motors are divided into gear reduction motors, electromagnetic reduction motors, moment motors and claw pole synchronous motors.

Speed-regulating motor can be divided into stepless constant speed motor, stepless constant speed motor, stepless variable speed motor and stepless variable speed motor. It can also be divided into electromagnetic speed-regulating motor, direct current speed-regulating motor, PWM frequency conversion speed-regulating motor and switched reluctance speed-regulating motor.

The rotor speed of asynchronous motor is always slightly lower than the synchronous speed of rotating magnetic field.

The rotor speed of synchronous motor is not related to the load size, but always keeps the synchronous speed.

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