Reversible Ac Motor introduction
Reversible synchronous motor, belonging to AC motor, the stator winding is the same as the asynchronous motor, and its rotor rotation speed is the same as that of the rotating magnetic field generated by the stator winding.
Reversible Ac Motor is a kind of synchronous motor. It is widely used in room air conditioners, heaters, microwave ovens and automatic instruments such as system drives and indoor and outdoor monitors, stage lighting, electric advertising stations, medical equipment, laminators and automatic control equipment. .
From the basic electromagnetic situation, a DC motor can work either as a motor or as a generator in principle, but the constraints are different. On the two brush ends of the DC motor, add DC voltage, input electric energy into the armature, mechanical energy output from the motor shaft, drag the production machinery, convert the electric energy into mechanical energy and become the electric motor, such as dragging the DC motor with the prime mover The armature, and no DC voltage is applied to the brush, the brush end can draw the DC electromotive force as a DC power source, which can output electrical energy, and the motor converts the mechanical energy into electrical energy to become a generator. The same motor can be used as a motor or as a generator. It is called the reversible principle in motor theory.
A DC motor can in principle be operated both as a motor and as a generator. This principle is called the reversible principle in motor theory. When the prime mover drives the armature winding to rotate between the main magnetic poles N and S, an electromotive force is induced on the armature winding, and after being rectified into a direct current by a brush and a commutator device, it is led to an external load (or a power grid), and externally supplied with power. At this time, the motor operates as a DC generator. If an external DC power supply is used, the DC current is directed to the armature winding via the brush commutator device, and this current interacts with the magnetic field generated by the main magnetic pole NS to generate torque, which drives the rotor and the mechanical load connected thereto. At this time, the motor is operated as a DC motor.
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