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A synchronous electric motor is an AC electric motor in which, at steady state, [1] ... There is a large number of control methods for synchronous machines, selected ...
In vector control, an AC induction or synchronous motor is controlled under all operating conditions like a separately excited DC motor. [21] That is, the AC motor behaves like a DC motor in which the field flux linkage and armature flux linkage created by the respective field and armature (or torque component) currents are orthogonally aligned such that, when torque is controlled, the field ...
The two main types of AC motors are induction motors and synchronous motors. The induction motor (or asynchronous motor) always relies on a small difference in speed between the stator rotating magnetic field and the rotor shaft speed called slip to induce rotor current in the rotor AC winding. As a result, the induction motor cannot produce ...
BMW recently bucked this trend by fitting brushed current-excited AC synchronous motors to the new i4 and iX. This type's rotor interacts with the stator's RMF exactly the same as a permanent ...
An AC motor's synchronous speed, , is the rotation rate ... Variable frequency drives implement the scalar or vector control of an induction motor.
The AC electric motor used in a VFD system is usually a three-phase induction motor. Some types of single-phase motors or synchronous motors can be advantageous in some situations, but generally three-phase induction motors are preferred as the most economical. Motors that are designed for fixed-speed operation are often used.
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