What are the differences between single-layer winding and double-layer winding of automatic winding machine
Release time:
2023-12-06
The single-layer winding of AC motor is much easier than double-layer winding and single-layer double-layer hybrid winding in the embedded operation, but its winding forms are various.
Characteristics of single layer automatic winding machine winding
The single-layer winding of AC motor is much easier than double-layer winding and single-layer double-layer hybrid winding in the embedded operation, but its winding forms are various.
Single-layer winding, regardless of the type of winding, has the following characteristics:
1. Only one effective side of a coil is embedded in each slot of a single-layer winding. The number of coils of the winding is equal to half of the total number of slots, the number of coils is small, and winding and embedding are convenient and time-saving.
2. Because there is only one effective side in the slot, there is no need for interlayer insulation, which reduces the possibility of interphase short circuit in the slot.
3, the utilization rate of the tank is higher.
4. The two ends of the winding coil are not easy to handle neatly.
5, poor electrical performance.
Characteristics of double-layer automatic winding machine winding
Double-layer windings generally have a true sense of double-layer windings, which is usually referred to as double-layer windings, that is, two coil sides are indeed placed in each slot. However, there is also a single and double-layer winding. From the formal point of view, this winding means that some slots are single-layer and some slots are double-layer. The surface does not look like double-layer winding. However, it is essentially double-layer. It should be seen or understood that the other coil side in the single-layer slot is not absent, but according to the requirements of the electrical performance of the motor, the number of turns on this coil side is very small, which can be negligible, so that the coil of this winding is considered as zero turns; therefore, when dealing with single and double-layer windings, it should still be carried out in accordance with the technical principles of the arrangement of double-layer windings. Its characteristics are as follows:
1. The number of turns is equal to the total number of slots. The upper and lower layers of each slot are respectively embedded with one effective side of two coils, which is time-consuming.
2. Interlayer insulation is required between the upper and lower coils in the slot, and the utilization rate of the slot is relatively low.
3, there may be a phase short circuit fault.
4, can choose a more favorable pitch, can improve the slot potential and magnetic field waveform, improve the electrical performance of the motor.
5. The end of the winding coil is neat and beautiful.
We can according to the automatic winding machine single layer winding and double layer winding difference, to choose suitable for their own automatic winding machine products.
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