CN201122888Y - Three-phase single-layer winding of intermediate frequency permanent magnet motor - Google Patents
Three-phase single-layer winding of intermediate frequency permanent magnet motor Download PDFInfo
- Publication number
- CN201122888Y CN201122888Y CNU200720088083XU CN200720088083U CN201122888Y CN 201122888 Y CN201122888 Y CN 201122888Y CN U200720088083X U CNU200720088083X U CN U200720088083XU CN 200720088083 U CN200720088083 U CN 200720088083U CN 201122888 Y CN201122888 Y CN 201122888Y
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Abstract
The utility model relates to a three-phase single-layer winding for an intermediate frequency permanent magnet motor, which is characterized in that a three-phase symmetrical short pitch single-layer winding is formed after 6 short pitch complete open equal turn coils of each phase are arranged discontinuously and connected in series, the performance is good, the processing is simple, the application is economic and convenient, and the promotion is easy. The three-phase single-layer winding has the advantages that firstly, the three-phase winding is in symmetrical three-phase single-layer structure, the slot fill factor is high, the utilization factor of the electromagnetic material is high, and the economic efficiency is good; secondly, the single-layer winding has short pitch, short end, small leakage reactance, small harmonic wave of magnetic potential, and good sine performance; thirdly, the winding can be used both as an electric generator armature winding and as a motor winding, both Y type connection and triangular connection can be adopted, the harmonic wave is reduced by 68 percent than the traditional full pitch type single-layer winding, and thereby the sine performance of the magnetic potential is good.
Description
Technical field
The utility model relates to a kind of intermediate frequency permanent magnet AC motor winding, especially a kind of intermediate frequency magneto Three-phase Single-layer Windings.
Background technology
The intermediate frequency magneto has become the developing direction of energy-saving electric machine, but the general number of poles of intermediate frequency magneto is many, and the groove number is few.And every extremely every phase groove number mostly is fractional-slot, when the three-phase design of Windings is double-deck short distance winding in this motor, because that the double hyer insulation material accounts for groove area is many, makes the winding copper factor little.Motor is uneconomical, and when being designed to traditional single layer winding because of mostly being the range winding, the harmonic content that contains in the magnetic potential of winding is big, motor performance such as efficient, noise, vibration, waveform etc. all are adversely affected.Seek a kind of novel winding, make the copper factor height, winding overhang is short, mmf wave is tending towards sine-shaped Three-phase Single-layer Windings with short pitch, make it can obtain the good characteristic of double-deck short distance winding, can obtain the high usage of groove volume again, this has very realistic meanings in multipole mid-frequency motor.
Summary of the invention
The purpose of this utility model provides a kind of intermediate frequency magneto Three-phase Single-layer Windings with short pitch.
The utility model is achieved like this is characterized in that working as the groove number is 36 grooves, when number of poles is 14 utmost points, the number of phases is 3 phases, every is that the series connection of 3 circle coils such as standard-sized sheet mouth forms three symmetrical short pitch single layer winding by 6 coil Y=1-4 pitches, and wherein A is arranged in groove 14,17 mutually; 20,23; 24,27; 30,33; 34,1; Spider lable A in 4,7 ten two grooves, X; B is arranged in groove 26,29 mutually; 13,35; 36,3; 6,9; 10,13; Spider lable B in 16,19 ten two grooves, Y, C are arranged in groove 2,5 mutually; 8,11; 12,15; 18,21; 22,25; Spider lable CZ in 28,31 ten two grooves, three phase windings can be connected into Y, △; When the groove number is 36 grooves, when number of poles was 10 utmost points, the number of phases was 3 phases, and every is that 3 circle coils such as standard-sized sheet mouth series connection forms three symmetrical short pitch single layer winding by 6 coil Y=1-4 pitches, and wherein A is arranged in 1,4 mutually; 3,6; 9,12; 17,20; 23,26; Spider lable AX in 31,34 ten two grooves, B is arranged in groove 25,28 mutually; 27,30; 33,36; 5,8; 11,14; Spider lable BY in 19,22 ten two grooves, C is arranged in groove 13,16 mutually; 15,18; 21,24; 19,32; 35,2; Spider lable CZ in 7,10 ten two grooves; Three phase windings can be connected into Y, △.
The utility model has the advantages that: 1, three phase windings are the three-phase single layer structure of symmetry, copper factor height.Electromagnetic material utilance height, good economy performance.2, single layer winding has short pitch, the end is short, leakage reactance is little, few, the sinusoidal property of the harmonics of magnetic force content is good.3, this winding can be done the generator armature winding and also can do the motor winding, and △ connects but can Y connect also, and harmonic ratio tradition range formula single layer winding reduces 68%, so the magnetic potential sine is good.
Description of drawings
Fig. 1: Z=36 2p=10 m=3 y=1-4 intermediate frequency magneto Three-phase Single-layer Windings layout plan.
Fig. 2: Z=36 2p=10 m=3 y=1-4 intermediate frequency magneto Three-phase Single-layer Windings layout plan.
Embodiment
Embodiment 1: as shown in Figure 1, intermediate frequency magneto Three-phase Single-layer Windings layout plan three phase winding AX, the BY of a kind of Z=36 2P=14 m=3 y=1-4, CZ symmetric arrangement, pitch is Y=1-4, A is composed in series by 6 whole openings of coil of AX winding, down at groove 14,17; 20,23; 24,27; 30,33; 34,1; In 4,7 ten two grooves.B is in series by 6 whole openings of coil of BY winding, down at groove 26,29; 13,35; 36,3; 6,9; 10,13; In 16,19 ten two grooves.In like manner C is in series by 6 whole openings of coil of CZ winding, down at groove 2,5; 8,11; 12,15; 18,21; 22,25; In 28,31 ten two grooves.The three symmetrical single layer winding of Xing Chenging have six to draw joint A, X, B, Y, C, Z like this, but Y as required, but also △ of connection provides voltages having different magnitude.
Embodiment 2: the intermediate frequency magneto Three-phase Single-layer Windings layout plan of a kind of as shown in Figure 2 Z=36 2p=10 m=3 y=1-4, three phase winding AX, BY, CZ symmetric arrangement, pitch are Y=1-4, and A is composed in series by 6 whole openings of coil of AX winding, down at groove 1,4; 3,6; 9,12; 17,20; 23,26; In 31,34 ten two grooves.B is composed in series by 6 whole openings of coil of BY winding.Down at groove 25,28; 27,30; 33,36; 5,8; 11,14; In 19,22 ten two grooves.In like manner C is composed in series by 6 whole openings of coil of CZ winding, down at groove 13,16; 15,18; 21,24; 19,32; 35,2; In 7,10 ten two grooves.The three symmetrical single layer winding of Xing Chenging have six to draw joint A, X, B, Y, C, Z like this, but Y as required, but also delta connection of connection provides voltages having different magnitude.Three symmetrical individual layer short distance windings of above-mentioned composition, the Three-phase Single-layer Windings the harmonics of magnetic force that constitutes compared with the well-known range formula of tradition reduces 68%, therefore the premium properties that harmonic wave is few, performance good, the single layer structure performance reaches double-deck short distance winding reaches the purpose of utility model.
Tradition range formula three-phase symmetric winding the harmonics of magnetic force content reaches 4.67%,
The utility model short distance formula three-phase symmetric winding, the harmonics of magnetic force content only 1.5%, harmonic content reduce and reach 68%.The single-phase voltage irregularity of wave form reached 23% when tradition range formula three-phase symmetric winding was unloaded, and sinusoidal sex distortion is serious.The single-phase voltage irregularity of wave form was less than 2% when the utility model short distance formula three-phase symmetric winding was unloaded, and sine is improved greatly.
Claims (1)
1, a kind of intermediate frequency magneto Three-phase Single-layer Windings is characterized in that working as the groove number is 36 grooves, when number of poles is 14 utmost points, the number of phases is 3 phases, every is that the series connection of 3 circle coils such as standard-sized sheet mouth forms three symmetrical short pitch single layer winding by 6 coil Y=1-4 pitches, and wherein A is arranged in groove 14,17 mutually; 20,23; 24,27; 30,33; 34,1; Spider lable AX in 4,7 ten two grooves, B is arranged in groove 26,29 mutually; 13,35; 36,3; 6,9; 10,13; Spider lable BY in 16,19 ten two grooves, C is arranged in groove 2,5 mutually; 8,11; 12,15; 18,21; 22,25; Spider lable CZ in 28,31 ten two grooves, three phase windings can be connected into Y, △; When the groove number is 36 grooves, when number of poles was 10 utmost points, the number of phases was 3 phases, and every is that 3 circle coils such as standard-sized sheet mouth series connection forms three symmetrical short pitch single layer winding by 6 coil Y=1-4 pitches, and wherein A is arranged in 1,4 mutually; 3,6; 9,12; 17,20; 23,26; Spider lable AX in 31,34 ten two grooves, B is arranged in groove 25,28 mutually; 27,30; 33,36; 5,8; 11,14; Spider lable BY in 19,22 ten two grooves, C is arranged in groove 13,16 mutually; 15,18; 21,24; 19,32; 35,2; Spider lable CZ in 7,10 ten two grooves; Three phase windings can be connected into Y, △.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720088083XU CN201122888Y (en) | 2007-11-09 | 2007-11-09 | Three-phase single-layer winding of intermediate frequency permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720088083XU CN201122888Y (en) | 2007-11-09 | 2007-11-09 | Three-phase single-layer winding of intermediate frequency permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122888Y true CN201122888Y (en) | 2008-09-24 |
Family
ID=40010129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720088083XU Expired - Lifetime CN201122888Y (en) | 2007-11-09 | 2007-11-09 | Three-phase single-layer winding of intermediate frequency permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122888Y (en) |
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2007
- 2007-11-09 CN CNU200720088083XU patent/CN201122888Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071109 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |