CN1238730C - Long-stator linear machine electromagnetic performance off-line testing device - Google Patents
Long-stator linear machine electromagnetic performance off-line testing device Download PDFInfo
- Publication number
- CN1238730C CN1238730C CN 03129184 CN03129184A CN1238730C CN 1238730 C CN1238730 C CN 1238730C CN 03129184 CN03129184 CN 03129184 CN 03129184 A CN03129184 A CN 03129184A CN 1238730 C CN1238730 C CN 1238730C
- Authority
- CN
- China
- Prior art keywords
- steel plate
- long
- stator
- pick
- mover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The present invention relates to an electromagnetic property off-line testing device for long stator linear motors, which comprises a testing platform plane, and a guide rail is arranged on the testing platform plane. One end of the testing platform plane is fixedly provided with a fixing supporting frame, and one end of a high precision tension sensor is connected to the fixing supporting frame. The testing platform is also provided with a plurality of fastening bolts, a mover steel plate is connected with the guide rail on the testing platform through a supporting frame, and the front end of the mover steel plate is connected with the other end of the high precision tension sensor. The mover steel plate is uniformly dug with a plurality of holes, each hole is provided with an electromotance induction coil group, wherein each group comprises three electromotance induction coils, and each electromotance induction coil is connected in series with an alternating current meter. A long stator to be tested is fixed on the testing platform through a fastening bolt, three groups of three-phase windings are distributed and wound in a toothed slot of the stator, wherein input ends of the three-phase windings are connected to a transformer and a frequency conversion instrument. Proved by experiments, the present invention is a convenient and effective electromagnetic property off-line testing device for long stator linear motors.
Description
Technical field:
The present invention is relevant with the high-speed magnetic levitation railway, particularly a kind of long-stator linear motor electromagnetic performance off-line test device.
Background technology:
Long-stator linear motor is main carrying and a driver part of high-speed maglev train rail system, for magnetic suspension train provides suspending power and driving force.At present general electric rotating machine, the index of check are its moment of test, and linear electric motors then are to survey thrust.After the long stator of high-speed magnetic levitation rail creates, before using installation, how to judge the quality of its electromagnetic performance, obviously be a very important job, report at the correlation technique of magnetic levitation long-stator linear motor electromagnetic performance off-line test yet there is no both at home and abroad at present specially.
Summary of the invention:
The technical problem to be solved in the present invention just is to provide a kind of easy, effective long-stator linear motor electromagnetic performance off-line test device, the long-stator linear motor assembly that is used for the high-speed magnetic levitation railway is after finishing processing, the electromagnetic performance of reaching the standard grade before installing detects, and guarantees that the electromagnetic performance that back long stator assembly is installed satisfies the requirement of magnetic levitation circuit.
Technical solution of the present invention is as follows:
Foundation: the long stator assembly will provide suspending power and driving force for high-speed maglev train, the size of suspending power and driving force is directly related with the load-carrying of train and travelling speed, therefore the magnetic pull (thrust) of directly measuring the long stator assembly is the most effective and direct, measure long stator surface induction electromotive force by the inductive coil of rationally evenly laying in addition, can test the Distribution of Magnetic Field of long stator, by the electromagnetic performance situation of above-mentioned two parameter measurements with the acquisition long-stator linear motor.
Scheme: a kind of long-stator linear motor electromagnetic performance off-line test device, it is characterized in that it comprises: a test platform, its plane is provided with guide rail, and an end of this test platform is installed with a fixed support, connects an end of a high precision pull sensor on this fixed support;
This test platform also is provided with some fastening bolts, in order to long stator is fixed on this test platform;
One mover steel plate links to each other with guide rail on the test platform by support; The front end of mover steel plate connects this high precision pull sensor other end; This mover steel plate digs equably and is provided with a plurality of holes, pick-up coil group of each hole installing, and every group has three pick-up coils, each inductive coil and an AC ammeter polyphone;
Long stator to be measured is fixed on the test platform by fastening bolt, in the teeth groove of stator cloth around three phase windings, the input termination transformer of this three phase winding and frequency conversion instrument.
Three pick-up coils of described every group of pick-up coil divide three layers of laying: put into ground floor from the mover steel plate lower surface 2mm that makes progress, put the second layer from the ground floor 2mm that makes progress, put the 3rd layer of pick-up coil from the second layer 2mm that makes progress.
The invention will be further described below in conjunction with accompanying drawing.
Description of drawings:
Fig. 1 is the part-structure synoptic diagram of long-stator linear motor electromagnetic performance off-line test device of the present invention preferred embodiment.
Among the figure:
1-long stator, 2-fastening bolt, 3-guide rail, 4-test platform
5-support, 6-fixed support, 7-pulling force sensor
8-inductive coil group, 9-mover steel plate, 10-three phase windings
Embodiment:
See also Fig. 1, Fig. 1 is the part-structure synoptic diagram of long-stator linear motor electromagnetic performance off-line test device of the present invention preferred embodiment.This device comprises tested long stator as stationary part, adopts mover steel plate 9 simulation mover parts.Long stator 1 is fixed on the proving installation platform 4 by fastening bolt 2; Arrange three phase windings 10 in the long stator teeth groove, the number of turn of three phase windings 10 and access size of current are determined by the winding ampere turns of test request, mover steel plate 9 links to each other with guide rail 3 on the test platform 4 by support 5, and mover steel plate 9 and support 5 thereof can be along guide rail 3 slips.By the high precision pull sensor 7 of layout on the mover steel plate 9 and seven groups of inductive coils 8 of the inner diverse location layout of steel plate, insert under different voltages and the frequency operating mode at three phase windings 10, can directly measure the size of the magnetic pull and the induction electromotive force of long stator 1.
Magnetic pull adopts the precision resister strain pulling force sensor 7 that is fixed between fixed support 6 and the mover steel plate 9 to test, when three phase windings 10 in the long stator 1 feed three-phase current, on mover steel plate 9, will produce a magnetic pull, this magnetic pull will act on the pulling force sensor 7, cause the variation of the strain resistor resistance of pulling force sensor 7, can directly read the magnetic pull size by the display (not shown).
Seven groups of pick-up coils 8 that the measurement of induction electromotive force is arranged by mover steel plate 9 inside are measured, and inductive coil 8 is evenly distributed on mover steel plate 9 inside.Every group of different aspects that have three pick-up coils 8 to embed mover steel plates 9 are put into the ground floor pick-up coil at the lower surface of the mover steel plate 9 2mm place that makes progress, and put into second layer electromotive force induction coil from the ground floor 2mm place that makes progress; Put into the 3rd layer of pick-up coil from the second layer 2mm place that makes progress.The AC ammeter (not shown) that passes through to be contacted is measured the details that induction electromotive force that each inductive coil 8 produced can obtain long stator component internal electromagnetic field.
Claims (2)
1, a kind of long-stator linear motor electromagnetic performance off-line test device, it is characterized in that it comprises: a test platform (4) plane is provided with guide rail (3), one end of this test platform (4) is installed with a fixed support (6), and this fixed support (6) is gone up an end that connects a high precision pull sensor (7); This test platform (4) also is provided with some fastening bolts (2);
One mover steel plate (9) links to each other with guide rail (3) on the test platform (4) by another support (5); The front end of mover steel plate (9) connects the other end of this high precision pull sensor (7); This mover steel plate (9) digs equably and is provided with a plurality of holes, each hole installing pick-up coil group (8), and every group comprises three pick-up coils, each inductive coil and an AC ammeter polyphone;
Long stator to be measured (1) is fixed on the test platform (4) by fastening bolt (2), in the teeth groove (11) of this long stator (1) cloth around three phase windings (10), the input termination transformer of this three phase winding (10) and frequency conversion instrument.
2, long-stator linear motor electromagnetic performance off-line test device according to claim 1, three pick-up coils that it is characterized in that said every group of pick-up coil (8) divide three layers of laying: put into ground floor from mover steel plate (9) the lower surface 2mm that makes progress, put the second layer from the ground floor 2mm that makes progress, put the 3rd layer of pick-up coil from the second layer 2mm that makes progress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03129184 CN1238730C (en) | 2003-06-12 | 2003-06-12 | Long-stator linear machine electromagnetic performance off-line testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03129184 CN1238730C (en) | 2003-06-12 | 2003-06-12 | Long-stator linear machine electromagnetic performance off-line testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1460865A CN1460865A (en) | 2003-12-10 |
| CN1238730C true CN1238730C (en) | 2006-01-25 |
Family
ID=29591173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03129184 Expired - Lifetime CN1238730C (en) | 2003-06-12 | 2003-06-12 | Long-stator linear machine electromagnetic performance off-line testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1238730C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE532537C2 (en) * | 2007-06-12 | 2010-02-16 | Subsee Ab | Device and method for off-line testing of an electric motor |
| CN101972933B (en) * | 2010-11-19 | 2012-02-15 | 沈阳工业大学 | Magnetic suspension motion platform of precision heavy machine tool driven by double linear synchronous motors |
| CN102931789B (en) * | 2012-11-23 | 2015-01-07 | 上海电机学院 | Two-speed induction-type linear motor |
| CN103744037A (en) * | 2014-01-10 | 2014-04-23 | 柳州杰诺瑞汽车电器系统制造有限公司 | Error proofing method for stator magnetic field of starter |
| CN109391050B (en) * | 2017-08-03 | 2020-09-15 | 中车株洲电力机车研究所有限公司 | Long stator power supply section for magnetic suspension train and long stator linear motor |
| CN115097362B (en) * | 2022-06-24 | 2024-04-16 | 湖南凌翔磁浮科技有限责任公司 | Device and method for testing driving force of long stator |
-
2003
- 2003-06-12 CN CN 03129184 patent/CN1238730C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1460865A (en) | 2003-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102096042B (en) | System for testing linear motor characteristics | |
| Mirimani et al. | Static eccentricity fault detection in single-stator–single-rotor axial-flux permanent-magnet machines | |
| CN1012286B (en) | Method and apparatus for detecting short-circuit between sheets of pile sheet cores | |
| CN1238730C (en) | Long-stator linear machine electromagnetic performance off-line testing device | |
| CN102323552A (en) | Electromagnetic thrust measuring device for linear motor | |
| CN102375121B (en) | Loading test device for dynamic braking linear motors | |
| CN2718596Y (en) | Apparatus for testing long stator linear electric motor silicon steel laminated iron core magnetic performance | |
| CN203616452U (en) | Detection system of induction motor air gap eccentric faults | |
| de Oliveira et al. | Design and innovative test of a linear induction motor for urban maglev vehicles | |
| CN109342877A (en) | A kind of the winding interturn short-circuit fault detection means and method of fractional-slot concentratred winding magneto | |
| CN102315811B (en) | The system and method for the non-sinusoidal current waveform stimulus of generator | |
| Sobue et al. | Analysis and experimental comparison of acoustic noise of three switched reluctance motors made of conventional steel, high silicon steel, and amorphous iron | |
| CN202256628U (en) | Linear motor thrust testing device | |
| CN209961882U (en) | Special electric dynamometer of new energy automobile and control system | |
| CN107807340B (en) | Silicon steel lamination core performance simulation test platform | |
| Deng et al. | Observation of the current-decay and force-variation of a flux-pumped HTS magnet subjected to traveling magnetic fields | |
| CN1235058C (en) | Long-stator iron core electric performance testing device | |
| Liu et al. | The reduced fluctuation in the electromagnetic forces of a coreless HTS linear synchronous motor | |
| CN1191308A (en) | Method for determining state of strength of winding overhangs of electric machines, and arrangement for carring out the method | |
| CN110767064B (en) | Device for demonstrating and testing magnetic suspension train model | |
| Lu et al. | Analysis of linear induction motor applied in low-speed maglev train | |
| CN2684208Y (en) | An experimental device for implementing genuine idling of asynchronous motor | |
| CN114694468A (en) | Full simulation ground dynamic test device for rotor magnet of superconducting magnetic suspension linear motor | |
| CN116500440B (en) | High-temperature superconductive winding current-carrying characteristic and alternating current loss testing device | |
| Atherton et al. | Design, analysis and test results for a superconducting linear synchronous motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TONGJI UNIVERSITY Free format text: FORMER OWNER: NATIONAL RESEARCH CENTER OF MAGNETIC SUSPENSION TRANSPORTATION ENGINEERING TECHN Effective date: 20150902 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150902 Address after: 200092 Shanghai City, Yangpu District Siping Road No. 1239 Patentee after: TONGJI University Patentee after: BAOSHAN IRON & STEEL Co.,Ltd. Patentee after: SHANGHAI JIAO TONG University Address before: 201204 Pudong New Area, Longyang Road, No. 2520, Patentee before: National Maglev Traffic Engineering Technology Research Center Patentee before: BAOSHAN IRON & STEEL Co.,Ltd. Patentee before: SHANGHAI JIAO TONG University |
|
| CX01 | Expiry of patent term |
Granted publication date: 20060125 |
|
| CX01 | Expiry of patent term |