How does ac motor winding be classified?
There are many kinds of ac motor winding, which are divided by phase and single phase and three-phase winding. It has a single layer winding and a two-layer winding. The single layer winding is the same type, single chain, cross chain and cross. Double layer winding and wave winding; The number of slots in each phase of each phase is an integer or a fraction, and there are two forms of slot and fraction. But the principles of the winding are consistent.
The 220-volt single-phase machine has no main winding and the starting winding. It is composed of two equal number of turns set of winding, it will be one end of the two windings and leads to a public side, both ends of the rest of the lead after receiving the ends of the capacitor. When the power is delivered to the end of the capacitor and the utility motor spins. To change the switch of the motor, you simply switch the power cord from one end of the capacitor to the other end of the capacitor. So, how do you know that this is a common thread? Method is: will the location of the multimeter to move it to the ohm file, measuring three end resistance, when one end of the multimeter (set it to black pens and) and other basic equal on both ends of the measured value, the black pens and the end is the public side, the rest of the two end is the end of the capacitor.
Concentrated winding Centralized winding used in stator salient pole type, usually made rectangular coil winding, finalize the warp bandaging, again after leaching paint drying treatment, embedded in a convex pole core. General commutator motor (including dc motor) and general motor excitation coil and single phase mask main pole pole salient motor windings are centralized winding. Usually is highly centralized winding a coil, but there are also adopt ordinary extremely (cylindrical) form, such as pole motor frame type cover is to use a coil form the motor poles. Distributed winding Distributed winding of the motor stator without convex palm, each pole consists of one or several coil embedded wiring according to certain rules of coil group, after electrify form different polarity of magnetic pole, so also called non-salient pole type. The distributed winding can be divided into concentric and overlapping classes according to the layout of the layout.
