CN110221205A - The equivalent overlapping type of magnetic resistance becomes slot large-diameter alternating-current motor stator bar leakage field simulator - Google Patents
The equivalent overlapping type of magnetic resistance becomes slot large-diameter alternating-current motor stator bar leakage field simulator Download PDFInfo
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- CN110221205A CN110221205A CN201910561074.5A CN201910561074A CN110221205A CN 110221205 A CN110221205 A CN 110221205A CN 201910561074 A CN201910561074 A CN 201910561074A CN 110221205 A CN110221205 A CN 110221205A
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- steel sheet
- silicon steel
- leakage field
- driving mechanism
- magnetic resistance
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- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000004088 simulation Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 238000003475 lamination Methods 0.000 abstract description 6
- 238000004080 punching Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005669 field effect Effects 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012942 design verification Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/346—Testing of armature or field windings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of equivalent overlapping types of magnetic resistance to become slot large-diameter alternating-current motor stator bar leakage field simulator, including the driving mechanism set gradually from the bottom to top, the fixed iron core being fixedly connected with the driving mechanism and the movable core being flexibly connected with the driving mechanism, the fixed iron core includes Support bracket and the fixation slotless silicon steel sheet that is fixed on the Support bracket, the fixed slotless silicon steel sheet is along axial parallel, it is vertically arranged into spaced set, the movable core includes slipper bracket and movable fluting silicon steel sheet, the movable fluting silicon steel sheet is along axial parallel, it is vertically arranged into spaced set, the fixed slotless silicon steel sheet activity is inserted into the gap between the movable fluting silicon steel sheet.Present invention saves Lamination mould cost and stator punching cost, different slots high stator core tooth slot structure when simulation groove width is constant realizes the high large ac machines stator bar leakage field simulation of variable slot.
Description
Technical field
The invention belongs to Stator Windings of AC Motor designs and engineering test field, and in particular to a kind of magnetic resistance is equivalent overlapping
Formula becomes slot large-diameter alternating-current motor stator bar leakage field simulator.
Background technique
The engineering test simulation of large ac machines stator bar leakage field effect grasps stator bar leakage field effect to detailed
Actual physical process and design verification play a key effect, be the important engineering verification ring of large ac machines R & D design
Section.Stator bar leakage field effect mainly include and around braiding transposition strand between induction circulation and strand itself induction whirlpool
Stream.Incude circulation and inductive loop is related with bar size, stator slot size and bar position in slot；Bar size master
Have bar insulation it is anti-corona after height, width, for guarantee teeth portion magnetic loading value it is reasonable, bar width is in number of stator slots and volume
Substantially constant after constant voltage is selected, heat-sinking capability is mainly realized by adjusting bar height；Stator grooved size is then by bar ruler
Very little and fixed structure (side filler strip, slot wedge, wedge bar, slot bottom filler strip, interlayer filler strip etc.) size codetermines；Stator bar
Radial direction, lateral position in slot are then mainly by fixed structure (side filler strip, slot wedge, wedge bar, slot bottom filler strip, interlayer pad
Item etc.) size determine, for identical insulation system, the size of fixed structure is usually identical.Therefore, when large size exchanges
When voltage class, number of stator slots, magnetic loading and the insulation system of motor determine, induction circulation and inductive loop are influenced maximum
Be exactly stator bar height.
It is adopted in addition to using electromagnetic field technology of numerical simulation for system research large ac machines stator bar leakage field effect
With experimental study closer to the time of day of motor.Compared with electromagnetic field technology of numerical simulation, experimental study can really reflect
The dispersibility of stator bar inserting-coil process and technique for fixing in slot out, this is that numerical model of electromagnetic fields is irreplaceable.In engineering
In test, it is identical for testing the width of bar, but height is different, to meet test requirements document, it is necessary to the stator of plurality of specifications
Iron core, Lamination mould cost, stator iron-core lamination cost are very high, and can not reuse the design of other slot number motors
In.Therefore, it is large-scale that how to realize reduces test equipment cost in the engineering test of different height stator bar leakage field effect
The problem of alternating current generator enterprise attaches great importance to.
Summary of the invention
It is an object of the invention to: in view of the above-mentioned problems, providing a kind of equivalent overlapping type change slot large-diameter exchange of magnetic resistance
Stator winding conductor bars in electrical machines leakage field simulator, different slots high stator core tooth slot structure when simulation groove width is constant realize variable slot
High large ac machines stator bar leakage field simulation, not only reuses stator core, and can substantially reduce test fee
With.
The technical solution adopted by the invention is as follows:
A kind of equivalent overlapping type change slot large-diameter alternating-current motor stator bar leakage field simulator of magnetic resistance, including from the bottom to top
The driving mechanism that sets gradually, the fixed iron core being fixedly connected with driving mechanism and the movable iron being flexibly connected with driving mechanism
The heart, fixed iron core include Support bracket and the fixation slotless silicon steel sheet that is fixed on Support bracket, fixed slotless silicon steel sheet
Edge is axial in parallel, is vertically arranged into spaced set, and movable core includes slipper bracket and movable silicon steel sheet of slotting, movable fluting
Silicon steel sheet along it is axial parallel, be vertically arranged into spaced set, the fixed movable fluting silicon steel sheet of slotless silicon steel sheet activity insertion it
Between gap in.
Further, driving mechanism includes chassis and the screw-threaded shaft elevator structure that is arranged on chassis, is provided with electricity on chassis
Dynamic servo drive, control device and bearing and lubricating arrangement.
Further, lead screw lifting structure is connect with electrical servo drive system by gear structure, for providing rotation
Support and the bearing and lubricating arrangement of lubrication are arranged in lead screw lifting structure bottom end.
Further, actuator is electrically connected with control device, and actuator includes servo electricity
Machine, governor and position sensor, control device include control panel.
Further, lead screw lifting structure is flexibly connected with movable core by built-in inner thread piece, and movable core is logical
The screw thread pair for crossing lead screw lifting structure is flexibly connected with driving mechanism.
Further, chassis is provided with the boom hoisting for device integral lifting.
Further, fixed iron core is connect by fastener with driving mechanism.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, in the present invention, by the relative movement of movable core and fixed iron core, equal groove width, not equivalent gullet depth can be obtained
Stator core, realize the high controllable variations of stator coring groove；
2, present invention only requires the stator punchings of two kinds of different sizes, i.e., fixed slotless silicon steel sheet and movable fluting silicon steel
Lamination mould cost and stator punching cost is greatly saved in piece；
3, movable core of the invention is driven relative to vertically moving for fixed iron core by electric threaded shaft elevating mechanism, is not necessarily to
Manpower, and the high accurate adjusting of stator slot and Real-time Feedback are realized by governor and position sensor；
4, movable core of the invention and fixed iron core are easy to use detachably with replacement, and maintenance is simple.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Fig. 2 is the structural schematic diagram of movable core；
Fig. 3 is the structural schematic diagram of fixed iron core；
Fig. 4 is the structural schematic diagram of driving mechanism；
Fig. 5 is the magnetic resistance equivalent schematic diagram of apparatus of the present invention；
Marked in the figure: 1- fixed iron core, 2- movable core, 3- driving mechanism, 4- fastener, 5- movably slots silicon steel sheet,
6- slipper bracket, the fixed slotless silicon steel sheet of 7-, 8- Support bracket, 9- chassis, 10- screw-threaded shaft elevator structure, the driving of 11- electrical servo
Device, 12- control device, 13- bearing and lubricating arrangement, 14- boom hoisting, the upper layer 15- winding, 16- lower layer winding, 17- are fixed
Sub- winding leakage field.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is logical
The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of equivalent overlapping type of magnetic resistance that present pre-ferred embodiments provide becomes the leakage of slot large-diameter alternating-current motor stator bar
Magnetic simulator, including the driving mechanism 3 set gradually from the bottom to top, the fixed iron core 1 being fixedly connected with driving mechanism 3 and
The movable core 2 being flexibly connected with driving mechanism 3, fixed iron core 1 include Support bracket 8 and are fixed on Support bracket 8
Fixation slotless silicon steel sheet 7, fixed slotless silicon steel sheet 7 along it is axial it is parallel, be vertically arranged into spaced set, movable core 2 wraps
Include slipper bracket 6 and movable fluting silicon steel sheet 5, it is movable slot silicon steel sheet 5 along it is axial it is parallel, be vertically arranged into spaced set,
In gap between the fixed 7 movable fluting silicon steel sheet 5 of activity insertion of slotless silicon steel sheet.
Movable fluting silicon steel sheet 5 and fixed slotless silicon steel sheet 7 are formed so that certain axial width is overlapping, silicon steel sheet of movably slotting
5 in upper, fixed slotless silicon steel sheet 7；Movable fluting silicon steel sheet 5 is parallel along axial direction after being bonded by one fixed width, is vertically arranged into
Spacing stack of lamination, then fixed and supported by the cured highstrenghtpiston of left and right sides thermoplastic, constitute movable core 2；Fixed slotless
Silicon steel sheet 7 is parallel along axial direction after being bonded by one fixed width, is vertically arranged into equidistant stack of lamination, then is solidified by left and right sides thermoplastic
Highstrenghtpiston fix and support, constitute fixed iron core 1；The relatively fixed iron core 1 of movable core 2 is vertically upper and lower to be moved
It is dynamic, it is high to change stator slot.
Wherein, driving mechanism 3 includes chassis 9 and the screw-threaded shaft elevator structure 10 being arranged on chassis 9, is provided on chassis 9
Actuator 11, control device 12 and bearing and lubricating arrangement 13；
Wherein, lead screw lifting structure 10 is connect with electrical servo drive system 11 by gear structure, for providing rotation
Support and the bearing and lubricating arrangement 13 of lubrication are arranged in 10 bottom end of lead screw lifting structure；Movable core 2 is by screw-threaded shaft elevator structure
Rising, static and decline are realized in 10 drivings.
Wherein, actuator 11 is electrically connected with control device 12, and actuator 11 includes servo
Motor, governor and position sensor, control device 12 include control panel；Screw-threaded shaft elevator structure 10 is driven by servo motor and is filled
11 offer power are provided, and pass through the number of control device 12 equipped with governor, position sensor to control up and down rate
Display feedback realizes the quantitative control to screw-threaded shaft elevator structure 10 with point operation control, movable by the real-time accurate feedback of control panel
The relative displacement of iron core 2 and fixed iron core 1.
Wherein, lead screw lifting structure 10 is flexibly connected with movable core 2 by built-in inner thread piece, and movable core 2 is logical
The internal screw thread metalwork crossed in thermoplastic highstrenghtpiston is connect with screw-threaded shaft elevator structure 10, realizes the rising of movable core 2 under
Drop；Movable core 2 is flexibly connected by the screw thread pair of lead screw lifting structure 10 with driving mechanism 3, and movable core 2 is gone up and down by lead screw
Rising, static and decline are realized in the driving of mechanism 10.
Wherein, chassis 9 is provided with the boom hoisting 14 for device integral lifting；Boom hoisting 14 is welded on chassis 9.
Wherein, fixed iron core 1 is connect by fastener 4 with driving mechanism 3, and fixed iron core 1 is fixed on gold by fastener 4
Belong on chassis 9.
Embodiment 2
Become slot large-diameter alternating-current motor stator bar leakage field simulator using the equivalent overlapping type of magnetic resistance provided by the invention,
During the test, as shown in figure 5, stator lower bar 16 and stator top bar 15 are respectively embedded into test according to testing program
Gap in the slot of iron core, i.e., between the fixation slotless silicon steel sheet 7 of fixed iron core 1 and the movable fluting silicon steel sheet 5 of movable core 2
In, movable core 2 is stator lower bar 16 and stator top bar 15 provides cross-brace, and fixed iron core 1 is under stator
Layer line stick 16 and stator top bar 15 provide radial support, pass through the point operation control of control device 12, electrical servo driving
System 11 drives screw-threaded shaft elevator structure 10 to operate, and moves up and down the relatively fixed iron core 1 of movable core 2 vertically, thus
Change the slot height for fixing notch between slotless silicon steel sheet 7 and movable fluting silicon steel sheet 5, i.e. the slot height and stator of change stator punching
Position of the bar in stator slot, finally changes the distribution of stator bar leakage field 17.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of equivalent overlapping type of magnetic resistance becomes slot large-diameter alternating-current motor stator bar leakage field simulator, it is characterised in that: packet
Include the driving mechanism (3) set gradually from the bottom to top, the fixed iron core (1) that is fixedly connected with the driving mechanism (3) and with
The movable core (2) that the driving mechanism (3) is flexibly connected, the fixed iron core (1) include Support bracket (8) and fixed setting
Fixation slotless silicon steel sheet (7) on the Support bracket (8), the fixed slotless silicon steel sheet (7) is along axial parallel, vertical row
Spaced set is arranged into, the movable core (2) includes slipper bracket (6) and movable fluting silicon steel sheet (5), the movable fluting
Silicon steel sheet (5) is parallel along axial direction, is vertically arranged into spaced set, can described in fixed slotless silicon steel sheet (7) the activity insertion
In gap between dynamic fluting silicon steel sheet (5).
2. the equivalent overlapping type of magnetic resistance according to claim 1 becomes slot large-diameter alternating-current motor stator bar leakage field simulation dress
It sets, it is characterised in that: the driving mechanism (3) includes the screw-threaded shaft elevator structure of chassis (9) and setting on the chassis (9)
(10), actuator (11), control device (12) and bearing and lubricating arrangement are provided on the chassis (9)
(13)。
3. the equivalent overlapping type of magnetic resistance according to claim 2 becomes slot large-diameter alternating-current motor stator bar leakage field simulation dress
It sets, it is characterised in that: the lead screw lifting structure (10) is connect with electrical servo drive system (11) by gear structure, is used for
Rotation support is provided to be arranged with the bearing of lubrication and lubricating arrangement (13) in lead screw lifting structure (10) bottom end.
4. the equivalent overlapping type of magnetic resistance according to claim 2 becomes slot large-diameter alternating-current motor stator bar leakage field simulation dress
It sets, it is characterised in that: the actuator (11) is electrically connected with control device (12), the electrical servo driving dress
Setting (11) includes servo motor, governor and position sensor, and the control device (12) includes control panel.
5. the equivalent overlapping type of magnetic resistance according to claim 2 becomes slot large-diameter alternating-current motor stator bar leakage field simulation dress
It sets, it is characterised in that: the lead screw lifting structure (10) is flexibly connected with movable core (2) by built-in inner thread piece, institute
Movable core (2) is stated to be flexibly connected by the screw thread pair of the lead screw lifting structure (10) with driving mechanism (3).
6. the equivalent overlapping type of magnetic resistance according to claim 2 becomes slot large-diameter alternating-current motor stator bar leakage field simulation dress
It sets, it is characterised in that: the chassis (9) is provided with the boom hoisting (14) for device integral lifting.
7. the equivalent overlapping type of magnetic resistance according to claim 1 becomes slot large-diameter alternating-current motor stator bar leakage field simulation dress
It sets, it is characterised in that: the fixed iron core (1) is connect by fastener (4) with driving mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561074.5A CN110221205B (en) | 2019-06-26 | 2019-06-26 | Magnetic resistance equivalent overlapping type slot-changing high large alternating current motor stator bar magnetic leakage simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910561074.5A CN110221205B (en) | 2019-06-26 | 2019-06-26 | Magnetic resistance equivalent overlapping type slot-changing high large alternating current motor stator bar magnetic leakage simulation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110221205A true CN110221205A (en) | 2019-09-10 |
| CN110221205B CN110221205B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910561074.5A Active CN110221205B (en) | 2019-06-26 | 2019-06-26 | Magnetic resistance equivalent overlapping type slot-changing high large alternating current motor stator bar magnetic leakage simulation device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6603226B1 (en) * | 2000-10-13 | 2003-08-05 | Ford Motor Company | Electric machine drive having sensorless control |
| US20100141080A1 (en) * | 2008-12-29 | 2010-06-10 | Tesla Motors, Inc. | Induction motor with improved torque density |
| EP2262079A1 (en) * | 2009-06-08 | 2010-12-15 | Alstom Technology Ltd | Roebel bar with transposed end windings |
| CN103135040A (en) * | 2012-12-25 | 2013-06-05 | 太原理工大学 | High-voltage motor stator core slot part model device |
| CN105322669A (en) * | 2015-11-17 | 2016-02-10 | 天津市天发重型水电设备制造有限公司 | Improved structure of open tooth groove of end punching sheet of generator stator core |
| CN107632182A (en) * | 2017-09-27 | 2018-01-26 | 哈尔滨理工大学 | Alternator frame bar strand current detecting system and the method for measuring strand electric current |
| CN210427747U (en) * | 2019-06-26 | 2020-04-28 | 哈尔滨理工大学 | Magnetic flux leakage simulation device for stator bar of equivalent overlapping variable-slot-height large alternating-current motor |
-
2019
- 2019-06-26 CN CN201910561074.5A patent/CN110221205B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6603226B1 (en) * | 2000-10-13 | 2003-08-05 | Ford Motor Company | Electric machine drive having sensorless control |
| US20100141080A1 (en) * | 2008-12-29 | 2010-06-10 | Tesla Motors, Inc. | Induction motor with improved torque density |
| EP2262079A1 (en) * | 2009-06-08 | 2010-12-15 | Alstom Technology Ltd | Roebel bar with transposed end windings |
| CN103135040A (en) * | 2012-12-25 | 2013-06-05 | 太原理工大学 | High-voltage motor stator core slot part model device |
| CN105322669A (en) * | 2015-11-17 | 2016-02-10 | 天津市天发重型水电设备制造有限公司 | Improved structure of open tooth groove of end punching sheet of generator stator core |
| CN107632182A (en) * | 2017-09-27 | 2018-01-26 | 哈尔滨理工大学 | Alternator frame bar strand current detecting system and the method for measuring strand electric current |
| CN210427747U (en) * | 2019-06-26 | 2020-04-28 | 哈尔滨理工大学 | Magnetic flux leakage simulation device for stator bar of equivalent overlapping variable-slot-height large alternating-current motor |
Non-Patent Citations (3)
| Title |
|---|
| YANPING LIANG等: "Influence of Void Transposition Structure on the Leakage Magnetic Field and Circulating Current Loss of Stator Bars in Water-Cooled Turbo-Generators", IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS * |
| 乔雪: "大型交流电机定子换位线棒附加损耗的解析计算方法", 中国优秀硕士学位论文全文数据库工程科技Ⅱ辑, no. 01 * |
| 韩力等: "10 MW高速实心转子感应电动机损耗计算与温升分析", 电机与控制学报, no. 12 * |
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| CN110221205B (en) | 2024-05-03 |
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