CN102435947A - Direct current feed type motor testing system - Google Patents
Direct current feed type motor testing system Download PDFInfo
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- CN102435947A CN102435947A CN2011103074751A CN201110307475A CN102435947A CN 102435947 A CN102435947 A CN 102435947A CN 2011103074751 A CN2011103074751 A CN 2011103074751A CN 201110307475 A CN201110307475 A CN 201110307475A CN 102435947 A CN102435947 A CN 102435947A
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- direct current
- transducer
- motor
- feed type
- testing system
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Abstract
The invention relates to a direct current feed type motor testing system, belongs to the technical field of testing of motors and is used for measuring rotational speed, rotational moment, power, efficiency and other parameters of the tested motor. The direct current feed type motor testing system comprises at least two independent AC/DC (alternating current/direct current) converters, a direct current power generator and a rotational speed and rotational moment sensor. The inputs of the two independent AC/DC converters are respectively connected with an alternating current input busbar of a power grid, wherein the direct current side of one AC/DC converter is connected to a direct current busbar of the tested motor; and the direct current side of the other AC/DC converter is connected with the output of the direct current power generator in series and then connected to the direct current busbar of the tested motor, the output of the AC/DC converter is regulated to realize feedback of electric energy and regulation of the rotational moment of the tested motor, the overall power supply capacity of the system is reduced by utilizing the feedback energy and the efficiency of the system is improved.
Description
Technical field
The invention belongs to the Motor Measuring Technology field, particularly efficient, energy-conservation electromechanical testing and control method.
Background technology
Motor driven systems is an application parts very widely, and it is the important means that improves and verify the motor driven systems performance that the technical parameter of motor is tested.Test platform commonly used now all is to adopt from electrical network absorption energy to offer by measured motor basically; Adopt magnetic brake to carry out by the adjusting of the torque of measured motor; This method needs to absorb a large amount of electric energy from electrical network and works with the mode of magnetic brake power consumption again, and control accuracy is low to waste energy simultaneously in a large number.Also some electromechanical testing platform has adopted electric energy feedback mode at present; Promptly offer by measured motor, also can realize simultaneously being fed back to the function of electrical network by the energy of measured motor, but this mode need adopt the synchronized inverter to carry out the energy feedback to electrical network by absorbing energy on the electrical network; Its shortcoming is when electrical network carries out feedback energy, electrical network to be produced harmonic interference; Influence power grid quality, control simultaneously is complicated, and cost is higher.
Summary of the invention
The purpose of this invention is to provide a kind of utilization provides power supply than the electric supply installation of low capacity to motor to be tested, adopts the mode of internal system energy feedback to realize the DC feedback formula Motor Measuring System of electromechanical testing.
The present invention includes an AC/DC transducer and the 2nd AC/DC transducer, a generator, a torque and speed sensors; The input end of a said AC/DC transducer and the 2nd AC/DC transducer is connected electrical network respectively and exchanges on the inlet highway; The dc output end of the one AC/DC transducer is connected by the dc bus input end of measured motor; The dc output end of the 2nd AC/DC transducer be connected by the dc bus input end of measured motor after the output terminal of generator is connected, said torque and speed sensors is connected by between measured motor and the generator through shaft joint is coaxial.
An AC/DC transducer of the present invention is to the startup power supply is provided by measured motor; The one AC/DC transducer dc output end can regulate; Can regulate the direct current of an AC/DC transducer and export according to by the specification of the voltage of measured motor, electric current to adapt to by measured motor.The 2nd AC/DC transducer is used for to by measured motor feedback energy being provided; The dc output end of the 2nd AC/DC transducer also can be regulated; Can be according to being regulated by the parameter of measured motor, the realization electric energy is realized the adjusting of tested motor torque simultaneously to by the dc bus feedback of measured motor.Rotating speed, torque sensor are used for tested rotating speed of motor, torque measurement, and signal is exported.The present invention utilizes feedback energy to reduce the overall system power supply capacity, has improved system effectiveness.
Description of drawings
Fig. 1 is a kind of structure principle chart of the present invention.
Embodiment
As shown in Figure 1, the present invention is to being provided with an AC/DC transducer 2 and the 2nd AC/DC transducer 3, generator 7, a torque and speed sensors 6 less.
The input end of the one AC/DC transducer 2 and the 2nd AC/DC transducer 3 is connected to electrical network and exchanges on the inlet highway 1, and the dc output end of an AC/DC transducer 2 is connected by the dc bus input end 4 of measured motor 5.
The dc output end of the 2nd AC/DC transducer 3 be connected by the dc bus input end 4 of measured motor 5 after the output terminal of generator 7 is connected.
Torque and speed sensors 6 is connected by between measured motor 5 and the generator 7 through shaft joint is coaxial respectively.
The signal output part of torque and speed sensors 6 is connected and is used to show by the instrument of the various parameters of measured motor, instrument and computing machine 8.
Claims (1)
1. DC feedback formula Motor Measuring System; It is characterized in that comprising an AC/DC transducer and the 2nd AC/DC transducer, a generator, a torque and speed sensors; The input end of a said AC/DC transducer and the 2nd AC/DC transducer is connected electrical network respectively and exchanges on the inlet highway; The dc output end of the one AC/DC transducer is connected by the dc bus input end of measured motor; The dc output end of the 2nd AC/DC transducer be connected by the dc bus input end of measured motor after the output terminal of generator is connected, said torque and speed sensors is connected by between measured motor and the generator through shaft joint is coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103074751A CN102435947A (en) | 2011-10-12 | 2011-10-12 | Direct current feed type motor testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103074751A CN102435947A (en) | 2011-10-12 | 2011-10-12 | Direct current feed type motor testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102435947A true CN102435947A (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103074751A Pending CN102435947A (en) | 2011-10-12 | 2011-10-12 | Direct current feed type motor testing system |
Country Status (1)
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| CN (1) | CN102435947A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798525A (en) * | 2012-07-26 | 2012-11-28 | 枣庄新中兴实业有限责任公司 | Parallel-in transferring test platform of generator |
| CN103175685A (en) * | 2013-03-06 | 2013-06-26 | 广州孔辉汽车科技有限公司 | Drive motor and AMT (automated mechanical transmission) integration test platform and method for electric vehicles |
| CN103175686A (en) * | 2013-03-06 | 2013-06-26 | 广州孔辉汽车科技有限公司 | Drive motor and AMT (automated mechanical transmission) test system for electric vehicles |
| CN103983918A (en) * | 2014-04-23 | 2014-08-13 | 清华大学 | Method for physical simulation of transient state and dynamic state of power live load in power system |
| CN104459538A (en) * | 2014-11-26 | 2015-03-25 | 中国北车集团大连机车车辆有限公司 | DC motor load feedback testing device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921850Y (en) * | 2006-06-23 | 2007-07-11 | 上海御能动力科技有限公司 | Double DC bus structural four-quadrant electric machine dynamometer |
| CN201909833U (en) * | 2010-12-14 | 2011-07-27 | 南车南京浦镇车辆有限公司 | Energy feedback asynchronous motor testing device based on Lab VIEW platform |
| CN202256631U (en) * | 2011-10-12 | 2012-05-30 | 扬州华泰电子有限公司 | Direct current (DC) feeding type motor test system |
-
2011
- 2011-10-12 CN CN2011103074751A patent/CN102435947A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921850Y (en) * | 2006-06-23 | 2007-07-11 | 上海御能动力科技有限公司 | Double DC bus structural four-quadrant electric machine dynamometer |
| CN201909833U (en) * | 2010-12-14 | 2011-07-27 | 南车南京浦镇车辆有限公司 | Energy feedback asynchronous motor testing device based on Lab VIEW platform |
| CN202256631U (en) * | 2011-10-12 | 2012-05-30 | 扬州华泰电子有限公司 | Direct current (DC) feeding type motor test system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798525A (en) * | 2012-07-26 | 2012-11-28 | 枣庄新中兴实业有限责任公司 | Parallel-in transferring test platform of generator |
| CN103175685A (en) * | 2013-03-06 | 2013-06-26 | 广州孔辉汽车科技有限公司 | Drive motor and AMT (automated mechanical transmission) integration test platform and method for electric vehicles |
| CN103175686A (en) * | 2013-03-06 | 2013-06-26 | 广州孔辉汽车科技有限公司 | Drive motor and AMT (automated mechanical transmission) test system for electric vehicles |
| CN103175686B (en) * | 2013-03-06 | 2015-11-25 | 广州孔辉汽车科技有限公司 | The drive motor of electric automobile and AMT pilot system |
| CN103175685B (en) * | 2013-03-06 | 2016-09-07 | 广州孔辉汽车科技有限公司 | The driving motor of electric automobile and the integrated test platform of AMT and test method |
| CN103983918A (en) * | 2014-04-23 | 2014-08-13 | 清华大学 | Method for physical simulation of transient state and dynamic state of power live load in power system |
| CN104459538A (en) * | 2014-11-26 | 2015-03-25 | 中国北车集团大连机车车辆有限公司 | DC motor load feedback testing device and method |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120502 |