CN104052227A - Permanent magnet synchronous reluctance motor and compressor with same - Google Patents
Permanent magnet synchronous reluctance motor and compressor with same Download PDFInfo
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- CN104052227A CN104052227A CN201410243253.1A CN201410243253A CN104052227A CN 104052227 A CN104052227 A CN 104052227A CN 201410243253 A CN201410243253 A CN 201410243253A CN 104052227 A CN104052227 A CN 104052227A
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Abstract
The invention discloses a permanent magnet synchronous reluctance motor and a compressor with the same. The permanent magnet synchronous reluctance motor comprises a stator and a rotor, wherein the stator is provided with a stator inner hole and a plurality of stator grooves surrounding the stator inner hole, stator teeth are positioned between two adjacent stator grooves, and stator coils are formed in the stator grooves in a surrounding mode. The rotor is arranged in the stator inner hole rotatably and provided with a rotor inner hole and a plurality of groups of installation grooves formed in the circumferential direction of the rotor inner hole, and each group of installation grooves include a plurality of installation grooves formed at intervals in the radial direction and used for containing permanent magnets. Widths W of the stator teeth and the shortest lengths L between the two adjacent groups of the installation grooves meet the formula of 1<L/W<1.5. According to the permanent magnet synchronous reluctance motor, electromagnetic torque of the motor is increased while reluctance torque is increased, and efficiency of the motor is increased. In addition, the compressor carrying the motor has high APF energy efficiency.
Description
Technical field
The present invention relates to Compressor Manufacturing field, especially relate to a kind of permanent-magnet synchronous reluctance motor and there is its compressor.
Background technology
At present, in the motor of making at high magnetic conductive material, output torque and efficiency for lifting motor, generally there are the many groups of permanent magnets that are embedded in rotor core, every group of permanent magnet trough comprises 2 layers or the 2 layers of above permanent magnet layer of radially arranging, such motor has the feature of the reluctance torque of making full use of, with output torque and the efficiency of lifting motor.
A kind of permanent-magnet synchronous reluctance motor is disclosed in the prospectus of Chinese patent CN1149778A, although the reluctance torque of motor increases to some extent, and represent the Pn* ψ a*Iq of electromagnetic torque, due to the lower inherent characteristic of remanent magnetism Br in Ferrite Material, cause with the magnetic flux ψ a of motor stator interlinkage lower, electromagnetic torque is also lower, and little thereby total torque T increases, the improved efficiency of motor is undesirable.
In addition, a kind of permanent-magnet synchronous reluctance motor is disclosed in the Chinese patent application that is CN102511119A at publication number, though permanent magnet adopts the rare-earth Nd-Fe-B permanent magnet material of high remanent magnetism Br in its rotor, higher with the magnetic flux ψ a of motor stator interlinkage, but it is unreasonable that its rotor is arranged in the axial permanent magnet putting hole of q gap length, cause armature reaction magnetic flux be difficult to by, must could produce enough armature reaction magnetic fluxs with larger armature supply, cause the inductance L q on q direction of principal axis little, be difficult to effectively utilize reluctance torque, cause the improved efficiency of motor also not ideal enough.
And along with the enforcement of the new Energy Efficiency Standard of national convertible frequency air-conditioner, introduced energy-saving index APF standard (Annual Performance Factor: annual energy resource consumption efficiency), consumes power during the summation ÷ of the cooling and warming ability needing in APF=1, in order to improve APF, the electric efficiency in the field that actual operating time ratio also will be grown the specified duration of runs, ability also will be low is improved and produced effect most, therefore, in compressor, the improved efficiency in low speed field becomes most important problem.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.For this reason, one object of the present invention is to propose a kind of permanent-magnet synchronous reluctance motor that can obtain larger output torque.
Another object of the present invention is to propose a kind of compressor with described permanent-magnet synchronous reluctance motor.
According to a kind of permanent-magnet synchronous reluctance motor of first aspect present invention embodiment, comprise: stator, described stator has stator inner hole and around a plurality of stator slots of described stator inner hole, between adjacent two stator slots, has stator tooth, in described stator slot, is wound with stator coil; Rotor, described rotor is rotatably located in described stator inner hole, many groups mounting groove that described rotor has rotor inner hole and circumferentially arranges along described rotor inner hole, described in every group, mounting groove comprises that radially spaced a plurality of mounting grooves are for placing permanent magnet, and wherein described in the width W of stator tooth, two adjacent groups, the relation between the beeline L between mounting groove meets: 1 < L/W < 1.5.
According to the permanent-magnet synchronous reluctance motor of the embodiment of the present invention, can when increasing reluctance torque, also increase the electromagnetic torque of motor, improve the efficiency of motor.In addition, the compressor carrying after this motor has high APF efficiency.
According to one embodiment of present invention, described in each, mounting groove forms U-shaped shape substantially, and comprises: the first magnet slot, and the contiguous described rotor inner hole of described the first magnet slot, arranges the first magnet in described the first magnet slot; Article two, the second magnet slot, described the second magnet slot is all communicated with described the first magnet slot, and extends away from described rotor inner hole from the two ends of described the first magnet slot, in described the second magnet slot, all places the second magnet; Wherein, described in described two adjacent groups, the beeline L between mounting groove is the distance between the second adjacent magnet slot between two adjacent groups.
Thus, by mounting groove being set for cardinal principle U-shaped shape, and arrange distance L between the second adjacent magnet slot between two adjacent groups and stator tooth width W be related to 1 < L/W < 1.5, make when increasing reluctance torque, also increase further the electromagnetic torque of motor, improved further thus the efficiency of motor
Alternatively, described the first magnet is all spaced apart with the second magnet that is positioned at its both sides, so that processing and manufacturing.
Alternatively, described the second magnet slot extends to the outward flange of contiguous described rotor.
According to one embodiment of present invention, in every group of mounting groove, the distance between the first magnet slot of adjacent two mounting grooves is t1, and the distance between the second corresponding magnet slot is t2, wherein, and t1≤t2, t2=W.Thus, not only process simple and conveniently, and can further increase reluctance torque and electromagnetic torque.
According to one embodiment of present invention, described mounting groove comprises four groups that along described rotor inner hole, circumferentially arrange.Easy to process, simple in structure thus.
According to one embodiment of present invention, described permanent magnet is rare-earth Nd-Fe-B permanent magnet.
Alternatively, the cross section of described permanent magnet forms rectangle.
According to one embodiment of present invention, described stator slot is 24, and described stator coil is 24.
According to the permanent-magnet synchronous reluctance motor of the embodiment of the present invention, by effectively utilizing reluctance torque, and make this permanent-magnet synchronous reluctance motor obtain larger output torque, and the efficiency of lifting motor.
According to a kind of compressor of second aspect present invention embodiment, comprise according to the permanent-magnet synchronous reluctance motor described in first aspect present invention embodiment.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the part schematic diagram of the permanent-magnet synchronous reluctance motor of the embodiment of the present invention;
Fig. 2 is according to the schematic diagram of the rotor of the permanent-magnet synchronous reluctance motor of the embodiment of the present invention;
Fig. 3 is the armature reaction magnetic flux schematic diagram according to the permanent-magnet synchronous reluctance motor of the embodiment of the present invention;
Fig. 4 is the schematic diagram that is related to according to the reluctance torque of the permanent-magnet synchronous reluctance motor of the embodiment of the present invention and L/W;
Fig. 5 is the schematic diagram that is related to of reluctance torque, electromagnetic torque, total torque and current phase;
Fig. 6 is according to the longitudinal sectional view of the compressor of the embodiment of the present invention.
Reference numeral:
Permanent-magnet synchronous reluctance motor 100;
Stator 1;
Stator inner hole 11; Stator slot 12; Stator coil 13; Stator tooth 14;
Rotor 2;
Rotor inner hole 21; Mounting groove 22; The first magnet slot 221; The second magnet slot 222; Air vent hole 23;
Permanent magnet 3; The first magnet 31; The second magnet 32;
Rotating shaft 200; The pump housing 300; Closed container 400; Suction pipe 500; Discharge pipe 600;
Cylinder 700; Eccentric shaft 800; Reservoir 900
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " longitudinally ", " laterally ", " on ", D score, " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferentially " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
First with reference to figure 6, describe according to the compressor of the embodiment of the present invention below.
As shown in Figure 6, according to the compressor of the embodiment of the present invention, comprise: the formations such as compressor pump 300, permanent-magnet synchronous reluctance motor 100, reservoir 900.Permanent-magnet synchronous reluctance motor 100 comprises stator 1 and rotor 2, and compressor pump 300 and permanent-magnet synchronous reluctance motor 100 are located in closed container 400.On closed container 400, be provided with suction pipe 500 and discharge pipe 600, the separated coolant of reservoir 900 (for example refrigerant gas) and lubricating oil.By the coolant of reservoir 900 separation, via suction pipe 500, get back to compressor pump 300.
The eccentric rotor 20 that compressor pump 300 has cylinder 19, driven by rotating shaft 21.Compressor pump 300 passes through the rotation of eccentric shaft 800, the coolant sucking from suction pipe 500 in the interior compression of cylinder 19.Through the coolant of compressor pump 300 compression, by the gap between the path (groove, hole, otch) forming on the stator 1 at permanent-magnetic electric machine, the air vent hole 23, stator 1 and the rotor 2 that form on rotor 2 etc., from discharge pipe 600, discharge.
Below with reference to Fig. 1-Fig. 3, describe in detail according to a kind of permanent-magnet synchronous reluctance motor 100 of first aspect present invention embodiment.
Permanent-magnet synchronous reluctance motor 100 according to the embodiment of the present invention, comprising: stator 1 and rotor 2, as shown in Figure 1, stator 1 has stator inner hole 11 and around a plurality of stator slots 12 of stator inner hole 11, in example as shown in Figure 1, stator slot 12 is 24, and stator coil 13 is 24.
Between adjacent two stator slots 12, have stator tooth 14, alternatively, stator tooth 14 is parallel teeth.In stator slot 12, be wound with stator coil 13.Rotor 2 is rotatably located in stator inner hole 11, many groups mounting groove 22 that rotor 2 has rotor inner hole 21 and circumferentially arranges along rotor inner hole 21, and every group of mounting groove 22 comprises that radially spaced a plurality of mounting groove 22 is for placing permanent magnet 3.For example permanent magnet 3 can be rare-earth Nd-Fe-B permanent magnet 3.Alternatively, as shown in Figure 1-Figure 3, the cross section of permanent magnet 3 forms rectangle.
As Figure 1-Figure 2, according in the permanent-magnet synchronous reluctance motor 100 of the embodiment of the present invention, the center of permanent magnet 3 and rotor inner hole 21 center are connected to form to D axle, and from D direction of principal axis, turning 90 degrees electrical degree is Q axle, and wherein the inductance L d of D axle is different with the inductance L q of Q axle.Therefore, therefore except the electromagnetic torque that permanent magnet produces, also produced reluctance torque, total torque T is expressed as:
T＝Pn×[Ψa×lq+(Ld-Lq)×ld×lq] (1)
Wherein, Pn represents number of pole-pairs, and Ψ a represents D axle magnetic flux, and Ld represents D axle inductance, and Lq represents Q axle inductance, and Iq represents Q shaft current, and Id represents D shaft current.Equation (1) is illustrated in the voltage equation after dq conversion, and wherein first is basic electromagnetic torque Pn* ψ a*Iq; Second is reluctance torque Pn* (Ld-Lq) * Id*Iq.
Shown in Fig. 5 is when current phase changes and the relation of current value maintenance one timing electromagnetic torque, reluctance torque and total torque.As seen from Figure 5, when current phase arrives certain value, the total torque of motor output can reach maximum.
Given this, according in the permanent-magnet synchronous reluctance motor 100 of the embodiment of the present invention, the relation between the beeline L between the width W of stator tooth 14, two adjacent groups mounting groove 22 meets:
1＜L/W＜1.5。
Like this, with reference to figure 3, what illustrate is the armature reaction magnetic flux schematic diagram according to the permanent-magnet synchronous reluctance motor 100 of the embodiment of the present invention, by the gap length of reasonable Arrangement q axle side, so that make armature reaction magnetic flux be easy to by, so just, can produce larger armature reaction magnetic flux with less armature supply, by effectively utilizing reluctance torque, can provide a kind of motor that has larger output torque.With reference to figure 4, shown in Fig. 4 is to be related to schematic diagram according to reluctance torque and the L/W of the permanent-magnet synchronous reluctance motor 100 of the embodiment of the present invention, and when 1<L/W<1.5, the reluctance torque of motor is maximum.
Thus, according to the permanent-magnet synchronous reluctance motor 100 of the embodiment of the present invention, can when increasing reluctance torque, also increase the electromagnetic torque of motor, improve the efficiency of motor.In addition, the compressor carrying after this motor has high APF efficiency.
According to one embodiment of present invention, as depicted in figs. 1 and 2, each mounting groove 22 forms U-shaped shape substantially, and comprise the first magnet slot 221 and two the second magnet slot 222, interior first magnet 31, the second magnet slot 222 that arrange of the first magnet slot 221 adjacent rotor endoporus 21, the first magnet slot 221 are all communicated with the first magnet slot 221, and from the two ends of the first magnet slot 221, away from rotor inner hole 21, extend interior second magnet 32 of all placing of the second magnet slot 222.Wherein, the beeline L between two adjacent groups mounting groove 22 is the distance between the second adjacent magnet slot 222 between two adjacent groups.
Thus, by mounting groove 22 being set for cardinal principle U-shaped shape, and arrange distance L between the second adjacent magnet slot 222 between two adjacent groups and stator tooth 14 width W be related to 1 < L/W < 1.5, make when increasing reluctance torque, also increase further the electromagnetic torque of motor, improved further thus the efficiency of motor
Alternatively, the first magnet 31 is all spaced apart with the second magnet 32 that is positioned at its both sides, so that processing and manufacturing.As depicted in figs. 1 and 2, the second magnet slot 222 extends to the outward flange of adjacent rotor 2.
According to one embodiment of present invention, in every group of mounting groove 22, the distance between the first magnet slot 221 of adjacent two mounting grooves 22 is t1, and the distance between the second corresponding magnet slot 222 is t2, wherein, and t1≤t2, t2=W.Thus, not only process simple and conveniently, and can further increase reluctance torque and electromagnetic torque.
In an optional embodiment of the present invention, mounting groove 22 comprises four groups that along rotor inner hole 21, circumferentially arrange.Easy to process, simple in structure thus.
The permanent-magnet synchronous reluctance motor 100 of a specific embodiment according to the present invention is described below with reference to Fig. 1-Fig. 3.
As depicted in figs. 1 and 2, permanent-magnet synchronous reluctance motor 100 according to the embodiment of the present invention, comprising: stator 1 and rotor 2, and stator 1 has stator inner hole 11 and around 24 stator slots 12 of stator inner hole 11, between adjacent two stator slots 12, have stator tooth 14, stator tooth 14 is parallel teeth.
Rotor 2 is rotatably located in stator inner hole 11, four groups of mounting grooves 22 that rotor 2 has rotor inner hole 21 and circumferentially arranges along rotor inner hole 21, every group of mounting groove 22 comprises that radially spaced two mounting grooves 22 are for placing permanent magnet 3, wherein permanent magnet 3 can be rare-earth Nd-Fe-B permanent magnet 3, and the cross section of permanent magnet 3 forms rectangle.
Each mounting groove 22 forms U-shaped shape substantially, and comprise the first magnet slot 221 and two the second magnet slot 222, the first magnet slot 221 adjacent rotor endoporus 21, interior first magnet 31 that arranges of the first magnet slot 221, the second magnet slot 222 is all communicated with the first magnet slot 221, and from the two ends of the first magnet slot 221, away from rotor inner hole 21, extend interior second magnet 32 of all placing of the second magnet slot 222.Wherein, the width W of the distance L between the second adjacent magnet slot 222 between two adjacent groups and stator tooth 14 is related to 1 < L/W < 1.5.
As shown in Figure 2, in every group of mounting groove 22, the distance between the first magnet slot 221 of adjacent two mounting grooves 22 is t1, and the distance between the second corresponding magnet slot 222 is t2, wherein, and t1≤t2, t2=W.
According to the permanent-magnet synchronous reluctance motor of the embodiment of the present invention, by effectively utilizing reluctance torque, and make this permanent-magnet synchronous reluctance motor obtain larger output torque, and the efficiency of lifting motor.
According to a kind of compressor of second aspect present invention embodiment, comprise according to above-mentioned first aspect embodiment permanent-magnet synchronous reluctance motor.According to other formations of the compressor of the embodiment of the present invention and operation, be all known for those of ordinary skills, be not described in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. a permanent-magnet synchronous reluctance motor, is characterized in that, comprising:
Stator, described stator has stator inner hole and around a plurality of stator slots of described stator inner hole, between adjacent two stator slots, has stator tooth, in described stator slot, is wound with stator coil;
Rotor, described rotor is rotatably located in described stator inner hole, many groups mounting groove that described rotor has rotor inner hole and circumferentially arranges along described rotor inner hole, described in every group, mounting groove comprises that radially spaced a plurality of mounting grooves are for placing permanent magnet, and wherein described in the width W of stator tooth, two adjacent groups, the relation between the beeline L between mounting groove meets:
1＜L/W＜1.5。
2. permanent-magnet synchronous reluctance motor according to claim 1, is characterized in that, described in each, mounting groove forms U-shaped shape substantially, and comprises:
The first magnet slot, the contiguous described rotor inner hole of described the first magnet slot, arranges the first magnet in described the first magnet slot;
Article two, the second magnet slot, described the second magnet slot is all communicated with described the first magnet slot, and extends away from described rotor inner hole from the two ends of described the first magnet slot, in described the second magnet slot, all places the second magnet;
Wherein, described in described two adjacent groups, the beeline L between mounting groove is the distance between the second adjacent magnet slot between two adjacent groups.
3. permanent-magnet synchronous reluctance motor according to claim 2, is characterized in that, described the first magnet is all spaced apart with the second magnet that is positioned at its both sides.
4. permanent-magnet synchronous reluctance motor according to claim 2, is characterized in that, described the second magnet slot extends to the outward flange of contiguous described rotor.
5. according to the permanent-magnet synchronous reluctance motor described in any one in claim 2-4, it is characterized in that, in every group of mounting groove, distance between the first magnet slot of adjacent two mounting grooves is t1, and the distance between the second corresponding magnet slot is t2, wherein, t1≤t2, t2=W.
6. permanent-magnet synchronous reluctance motor according to claim 1, is characterized in that, described mounting groove comprises four groups that along described rotor inner hole, circumferentially arrange.
7. permanent-magnet synchronous reluctance motor according to claim 1, is characterized in that, described permanent magnet is rare-earth Nd-Fe-B permanent magnet.
8. permanent-magnet synchronous reluctance motor according to claim 7, is characterized in that, the cross section of described permanent magnet forms rectangle.
9. permanent-magnet synchronous reluctance motor according to claim 1, is characterized in that, described stator slot is 24, and described stator coil is 24.
10. a compressor, is characterized in that, comprises according to the permanent-magnet synchronous reluctance motor described in any one in claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410243253.1A CN104052227B (en) | 2014-06-03 | 2014-06-03 | Permanent magnet synchronous reluctance motor and compressor with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243253.1A CN104052227B (en) | 2014-06-03 | 2014-06-03 | Permanent magnet synchronous reluctance motor and compressor with same |
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| CN104052227A true CN104052227A (en) | 2014-09-17 |
| CN104052227B CN104052227B (en) | 2017-01-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448774A (en) * | 2018-04-27 | 2018-08-24 | 江苏大学 | A kind of permanent magnetism assist in synchronization reluctance motor modularization Winding Design method of high fault tolerance |
| CN108988527A (en) * | 2018-06-27 | 2018-12-11 | 德威(苏州)新能源有限公司 | A kind of composite excitation high power density magnetic resistance permanent magnet machine rotor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523637A (en) * | 1994-04-28 | 1996-06-04 | Ford Motor Company | Permanent magnet electrical machine with low reluctance torque |
| JP2001333553A (en) * | 2000-05-19 | 2001-11-30 | Fujitsu General Ltd | Permanent magnet motor |
| JP2005124281A (en) * | 2003-10-15 | 2005-05-12 | Aichi Elec Co | Permanent magnet embedded type motor |
| CN202513790U (en) * | 2012-03-05 | 2012-10-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet auxiliary synchronous reluctance motor and compressor comprising the same |
| CN102761221A (en) * | 2012-03-05 | 2012-10-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet auxiliary synchronous reluctance motor and mounting method thereof |
| CN203911711U (en) * | 2014-06-03 | 2014-10-29 | 广东美芝制冷设备有限公司 | Permanent magnet synchronous reluctance motor and compressor having same |
-
2014
- 2014-06-03 CN CN201410243253.1A patent/CN104052227B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5523637A (en) * | 1994-04-28 | 1996-06-04 | Ford Motor Company | Permanent magnet electrical machine with low reluctance torque |
| JP2001333553A (en) * | 2000-05-19 | 2001-11-30 | Fujitsu General Ltd | Permanent magnet motor |
| JP2005124281A (en) * | 2003-10-15 | 2005-05-12 | Aichi Elec Co | Permanent magnet embedded type motor |
| CN202513790U (en) * | 2012-03-05 | 2012-10-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet auxiliary synchronous reluctance motor and compressor comprising the same |
| CN102761221A (en) * | 2012-03-05 | 2012-10-31 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent magnet auxiliary synchronous reluctance motor and mounting method thereof |
| CN203911711U (en) * | 2014-06-03 | 2014-10-29 | 广东美芝制冷设备有限公司 | Permanent magnet synchronous reluctance motor and compressor having same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448774A (en) * | 2018-04-27 | 2018-08-24 | 江苏大学 | A kind of permanent magnetism assist in synchronization reluctance motor modularization Winding Design method of high fault tolerance |
| CN108448774B (en) * | 2018-04-27 | 2019-12-03 | 江苏大学 | A kind of permanent magnetism assist in synchronization reluctance motor modularization Winding Design method of high fault tolerance |
| CN108988527A (en) * | 2018-06-27 | 2018-12-11 | 德威(苏州)新能源有限公司 | A kind of composite excitation high power density magnetic resistance permanent magnet machine rotor |
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