Baumuller motor Germany Baumuller model Baumuller price

Baumuller motors have a set of adjustable eccentric weights installed at each end of the rotor shaft, utilizing the centrifugal force generated by the high-speed rotation of the shaft and eccentric weights to obtain excitation force. Vibration motors have a wide vibration frequency range; only when the excitation force and power are properly matched can mechanical noise be reduced. Vibration motors are classified into six categories, such as by starting and operating mode, and by operating speed.

Baumuller motor differences

The main difference between motors lies in whether their rotor speed is consistent with the stator rotating magnetic field. When the motor's rotor speed is the same as the stator rotating magnetic field, it is called a synchronous motor; otherwise, it is called an asynchronous motor. In addition, the stator windings of synchronous and asynchronous motors are the same; the difference lies in the motor's rotor structure. The rotor of an asynchronous motor is a short-circuited winding that generates current through electromagnetic induction. The rotor structure of a synchronous motor is relatively complex, with DC excitation windings, thus requiring an external excitation power source to introduce current through slip rings; therefore, the structure of synchronous motors is relatively complex, and the manufacturing and maintenance costs are also relatively high. Compared to asynchronous motors which can only absorb reactive power, synchronous motors can generate reactive power as well as absorb it! The speed of a synchronous motor is synchronized with the electromagnetic speed, whereas the speed of an asynchronous motor is lower than the electromagnetic speed. For a synchronous motor, regardless of the load size, as long as it does not lose synchronism, the speed will not change; the speed of an asynchronous motor changes constantly following changes in load size. Synchronous motors have high precision but are complex to manufacture, expensive, and relatively difficult to maintain, whereas asynchronous motors, although slower to respond, are easy to install and use, and are inexpensive. Therefore, synchronous motors are not as widely applied as asynchronous motors. Synchronous motors are mostly used in large generators, while asynchronous motors are used in almost all electric motor applications.

Baumuller motor working principle

The motor is evolved from corresponding rotary electric motors, and its working principle is similar to that of ordinary rotary electric motors. The magnetic poles of a linear synchronous motor can be excited by DC excitation windings or by permanent magnets, with the permanent magnet type offering higher reliability and efficiency. When symmetrical three-phase sinusoidal AC current is supplied to the three-phase stator windings, under the combined action of the resulting air gap traveling wave magnetic field and the permanent magnet pole magnetic field, the air gap magnetic field generates electromagnetic thrust on the permanent magnet pole mover. If the primary part is fixed, the magnetic poles move in a straight line in the direction of the traveling wave magnetic field under the action of this electromagnetic thrust, and the speed of the magnetic pole movement is the same as the speed of the traveling wave magnetic field. Compared to linear induction motors, linear synchronous motors have greater driving force, better control performance, and higher position accuracy. Therefore, linear synchronous motors are given more attention in drive systems for high-speed ground transportation and linear lifting devices, and various types of linear synchronous motors are the main choice for linear drives.

Baumuller motor working principle

The motor is evolved from corresponding rotary electric motors, and its working principle is similar to that of ordinary rotary electric motors. The magnetic poles of a linear synchronous motor can be excited by DC excitation windings or by permanent magnets, with the permanent magnet type offering higher reliability and efficiency. When symmetrical three-phase sinusoidal AC current is supplied to the three-phase stator windings, under the combined action of the resulting air gap traveling wave magnetic field and the permanent magnet pole magnetic field, the air gap magnetic field generates electromagnetic thrust on the permanent magnet pole mover. If the primary part is fixed, the magnetic poles move in a straight line in the direction of the traveling wave magnetic field under the action of this electromagnetic thrust, and the speed of the magnetic pole movement is the same as the speed of the traveling wave magnetic field. Compared to linear induction motors, linear synchronous motors have greater driving force, better control performance, and higher position accuracy. Therefore, linear synchronous motors are given more attention in drive systems for high-speed ground transportation and linear lifting devices, and various types of linear synchronous motors are the main choice for linear drives.

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