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Motor winding
- Sep 11, 2018 -

The motor winding is a combination of a phase or a whole electromagnetic circuit formed by a coil group; and the coil group is formed by one or more coils being connected in series. Therefore, the coil is the basic component of the motor winding, and is also wound in a certain shape by an insulated wire (a circular or rectangular section wire). The coil can be a turn or can be wound by hundreds of turns. The number of turns depends mainly on the supply voltage and the parameters of the electromagnetic part of the motor and is determined by calculation.


There are many shapes of the motor coil, but the basic structure is composed of three parts, that is, the straight line embedded in the core groove is called the effective side, and one coil has two effective sides, which is an effective part for generating electromagnetic energy conversion; The part of the effective side is outside the slot at the ends of the core after the coil is fitted, and is called the end of the coil. It is an indispensable part of the coil, but it cannot be used for energy conversion; the lead is the head and tail of the coil after winding. It is also the connection point for the coil current.


The winding and embedding of the concentrated winding is relatively simple, but the efficiency is low and the running performance is also poor. Most of the AC motor stators use distributed windings. According to different machine types, models and coil winding process conditions, the motors are designed with different winding types and specifications, so the technical parameters of the windings are also different.



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