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直流电机的种类辨别有哪些?

来源:http://www.jnmcd.com 发布时间:2019-03-08 浏览:
1.串励直流电机:串励直流电机的励磁绕组与电枢绕组串联后,再接于直流电源,这种直流电机机械特性是励磁电流就是电枢电流,由电枢电流惹起主磁通变化从而驱动电机;
1. Series excitation DC motor: Series excitation winding of series excitation DC motor is connected with armature winding in series, then connected to DC power supply. The mechanical characteristic of this DC motor is that excitation current is armature current, which causes the change of main flux and drives the motor.
2.复励直流电机:复励直流电机的主磁极上有并励和串励两个励磁绕组,若串励绕组产生的磁动势与并励绕组产生的磁动势方向相同称为积复励。若两个磁动势方向相反,则称为差复励。另外,并励绕组与电枢回路并联的办法可按实线接法或虚线接法, 前者称为短复励,后者称为长复励。
2. Complex excitation DC motor: The main pole of the compound excitation DC motor has two excitation windings: parallel excitation and series excitation. If the direction of the magnetomotive force produced by the series excitation winding is the same as that produced by the parallel excitation winding, it is called cumulative excitation. If the direction of two magnetomotive potentials is opposite, it is called differential compound excitation. In addition, the shunt winding and armature circuit can be connected in parallel according to the solid line connection method or the dotted line connection method, the former is called short compound excitation, the latter is called long compound excitation.
3.他励直流电机:励磁绕组与电枢绕组无联接关系,即励磁线圈与转子电枢的电源分开,而由其他直流电源对励磁绕组供电的直流电机称为他励直流电机,永磁直流电机也可看作他励直流电机;
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3. Excitation DC motor: There is no connection between excitation winding and armature winding, that is, the excitation coil is separated from the power supply of the rotor armature, and the DC motor supplied by other DC power sources to the excitation winding is called the other excitation DC motor, and the permanent magnet DC motor can also be regarded as the other excitation DC motor.
4.并励直流电机:并励直流电机的励磁绕组与电枢绕组相并联,作为并励发电机来说,是电机自身发出来的端电压为励磁绕组供电,作为并励电动机来说,励磁绕组与电枢共用同一电源,从性能上讲与他励直流电动机相同。
4. shunt excitation DC motor: The excitation winding of shunt excitation DC motor is parallel to armature winding. As a shunt excitation generator, the terminal voltage from the motor itself supplies power to the excitation winding. As a shunt excitation motor, the excitation winding and armature share the same power supply, and the performance is the same as that of other excitation DC motor.
3.直流减速电机装置前的留意事项
3. Notice before DC deceleration motor installation
直流减速电机由于其简化设计、俭省空间的优点被普遍的应用到了钢铁、机械等行业。那么大家关于这种设备的装置前留意事项理解吗?为了便当大家的操作运用,下面小编就给大家引见一下其装置前的几点留意事项:
DC deceleration motor is widely used in steel, machinery and other industries because of its simplified design and space-saving advantages. So do you understand the precautions before installing this kind of equipment? In order to facilitate your operation and application, the following edition will give you some precautions before the device:
1、机器在运用前应对装置轴停止清洗。并检查装置轴能否有碰伤、污物,若有应全部肃清洁净。
1. The machine should stop cleaning the device shaft before operation. And check whether there are any bruises or dirt on the shaft of the device. If there are any, it should be completely cleaned up.
2、直流减速电机的运用温度为0~40℃。
2. The operating temperature of DC deceleration motor is 0-40 C.
3、检查与直流减速电机衔接的孔(或轴)的配合尺寸能否契合请求,孔的公差应为H7(轴的公差为H6)。
3. Check whether the matching dimensions of the holes (or shafts) connected with the DC deceleration motor meet the requirements. The tolerance of the holes should be H7 (the tolerance of the shaft is H6).
4、运用前应将最高位处的梗塞换上排气螺塞,保证直流减速电机运转时已排尽气体。
4. Before operation, the highest position of the infarction should be replaced by the exhaust screw to ensure that the exhaust gas has been exhausted when the DC deceleration motor is running.
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