CN102636711A - Frequency converter testing system - Google Patents
Frequency converter testing system Download PDFInfo
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- CN102636711A CN102636711A CN2012100955761A CN201210095576A CN102636711A CN 102636711 A CN102636711 A CN 102636711A CN 2012100955761 A CN2012100955761 A CN 2012100955761A CN 201210095576 A CN201210095576 A CN 201210095576A CN 102636711 A CN102636711 A CN 102636711A
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- frequency converter
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- load motor
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Abstract
The invention discloses a frequency converter testing system comprising a tested frequency converter, wherein the input end of the tested frequency converter is connected with a variable frequency power supply; the variable frequency power supply is connected with a power grid; the output end of the tested frequency converter is connected with a load motor; the load motor is connected with an excitation device; the excitation device is connected with a direct-current boosting device; and the direct-current boosting device is connected with the input end of the tested frequency converter. By virtue of the manner, the frequency converter testing system is simple in equipment structure, the testing process is easy to control, the testing efficiency is improved and the maintenance cost of the frequency converter leaving factory is reduced, thereby enhancing production grain for enterprises.
Description
Technical field
The present invention relates to the frequency converter field, particularly relate to a kind of transducer testing system.
Background technology
Frequency converter is application of frequency conversion technology and microelectric technique, controls the electric control appliance of AC motor through changing machine operation supply frequency mode.Frequency converter is one of modern electrical machine VSC and energy-conservation indispensable important devices, and is very extensive in the application of industrial circle.
Frequency converter must carry out functional test to it in development process, can normally use after frequency converter dispatches from the factory guaranteeing.
Summary of the invention
The technical matters that the present invention mainly solves provides a kind of transducer testing system, and device structure is simple, and test process is easy to control, can improve the efficient of test, reduces the maintenance cost after frequency converter dispatches from the factory, for Production Gain improves in enterprise.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of transducer testing system is provided, comprises: frequency converter to be tested; The input end of said frequency converter to be tested connects variable-frequency power sources; Said variable-frequency power sources connects electrical network, and the output terminal of said frequency converter to be tested connects load motor, and said load motor connects excitation unit; Said excitation unit connects the DC boosting device, and said DC boosting device is connected with the input end of frequency converter to be tested.
In preferred embodiment of the present invention, also connect a PLC controller on the said frequency converter to be tested, said PLC controller connects a control panel.
In preferred embodiment of the present invention, said electrical network adopts three-phase alternating-current supply.
In preferred embodiment of the present invention, said load motor is a three-phase AC asynchronous motor.
In preferred embodiment of the present invention,, parallelly connected setting between said load motor and the excitation unit.
The invention has the beneficial effects as follows: the device structure of transducer testing system of the present invention is simple, and test process is easy to control, has improved the efficient of test, has reduced the maintenance cost after frequency converter dispatches from the factory, for Production Gain has improved in enterprise.
Description of drawings
Fig. 1 is the structural representation of transducer testing system one preferred embodiment of the present invention;
The mark of each parts is following in the accompanying drawing: 1, electrical network, 2, variable-frequency power sources, 3, frequency converter to be tested, 4, load motor, 5, excitation unit, 6, the DC boosting device, 7, the PLC controller, 8, control panel.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1, the embodiment of the invention comprises:
A kind of transducer testing system comprises: frequency converter 3 to be tested, and the input end of said frequency converter 3 to be tested connects variable-frequency power sources 2, and said variable-frequency power sources 2 connects electrical network 1.
Wherein, electrical network 1 adopts three-phase alternating-current supply.Variable-frequency power sources 2 converts the three-phase alternating voltage of electrical network 1 output to DC voltage, and imports frequency converter 3 to be tested to DC voltage.
The output terminal of said frequency converter to be tested 3 connects load motor 4, and said load motor 4 connects excitation unit 5, and said excitation unit 5 connects DC boosting device 6, and said DC boosting device 6 is connected with frequency converter 3 to be tested.Wherein, load motor 4 is a three-phase AC asynchronous motor.
Frequency converter 3 to be tested drives load motor 4; Load motor 4 rotates and drives excitation unit 5 and rotates under the driving of frequency converter 3 to be tested, the electric energy of excitation unit 5 outputs inputs to frequency converter 3 to be tested simultaneously after DC boosting device 6 boosts with after the DC voltage of variable-frequency power sources 2 outputs is parallelly connected.
Among the present invention, after rotating generator 5 electric energy that produces and the DC voltage of variable-frequency power sources 2 is parallelly connected, DC boosting device 6 imports frequency converter 3 to be tested.
Also connect a PLC controller 7 on the said frequency converter to be tested 3, said PLC controller 7 connects a control panel 8.Operating personnel send the operational testing instruction through control panel 8, and PLC controller 7 receives the work of instruction control frequency converter 3 to be tested.
The connection procedure of transducer testing system of the present invention is:
Detect each connection terminal of frequency converter 3 to be tested earlier; Input end and output terminal at frequency converter 3 to be tested inserts variable-frequency power sources 2 and load motor 4 respectively then; Input end in variable-frequency power sources 2 inserts electrical network 1; Output terminal at load motor 4 inserts excitation unit 5, and the output terminal of excitation unit 5 connects the input end that frequency converter 3 to be tested is inserted in DC boosting device 6 backs, is connected PLC controller 7 and control panel 8 on the frequency converter 3 to be tested at last.
The principle of work of transducer testing system of the present invention is:
Operating personnel send the operational testing instruction through control panel 8; PLC controller 7 receives the work of instruction control frequency converter 3 to be tested; Variable-frequency power sources 2 converts the three-phase alternating voltage of electrical network 1 output to DC voltage; And import frequency converter 3 to be tested to DC voltage, and frequency converter 3 to be tested drives load motors 4, and load motor 4 rotates and drives excitation unit 5 rotations under the driving of frequency converter 3 to be tested; The electric energy of excitation unit 5 outputs is parallelly connected with the DC voltage of variable-frequency power sources 2 outputs after DC boosting device 6 boosts, and inputs to frequency converter 3 to be tested then.
The beneficial effect of transducer testing system of the present invention is:
Device structure in the test macro is simple, and test process is easy to control, has improved the efficient of test, reduces the maintenance cost after frequency converter dispatches from the factory, for Production Gain has improved in enterprise.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (5)
1. a transducer testing system is characterized in that, comprising: frequency converter to be tested; The input end of said frequency converter to be tested connects variable-frequency power sources; Said variable-frequency power sources connects electrical network, and the output terminal of said frequency converter to be tested connects load motor, and said load motor connects excitation unit; Said excitation unit connects the DC boosting device, and said DC boosting device is connected with the input end of frequency converter to be tested.
2. transducer testing system according to claim 1 is characterized in that, also connects a PLC controller on the said frequency converter to be tested, and said PLC controller connects a control panel.
3. transducer testing system according to claim 1 is characterized in that, said electrical network adopts three-phase alternating-current supply.
4. transducer testing system according to claim 1 is characterized in that, said load motor is a three-phase AC asynchronous motor.
5. transducer testing system according to claim 1 is characterized in that, parallelly connected setting between said load motor and the excitation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100955761A CN102636711A (en) | 2012-04-01 | 2012-04-01 | Frequency converter testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100955761A CN102636711A (en) | 2012-04-01 | 2012-04-01 | Frequency converter testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102636711A true CN102636711A (en) | 2012-08-15 |
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ID=46621180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100955761A Pending CN102636711A (en) | 2012-04-01 | 2012-04-01 | Frequency converter testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102636711A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730368A (en) * | 2013-12-20 | 2015-06-24 | 北车大连电力牵引研发中心有限公司 | Frequency converter testing system and method |
| CN104849588A (en) * | 2015-05-05 | 2015-08-19 | 河南职业技术学院 | Test system for frequency converters |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004120930A (en) * | 2002-09-27 | 2004-04-15 | Nishishiba Electric Co Ltd | Fault detection device of power conversion element |
| CN200993666Y (en) * | 2007-01-15 | 2007-12-19 | 宁茂企业股份有限公司 | Frequency converter power load measuring equipment with energy-saving effect |
| CN201383685Y (en) * | 2009-04-28 | 2010-01-13 | 北京中煤电气有限公司 | Multi-power alternating current variable frequency electric energy feedback device |
| CN101943732A (en) * | 2009-11-27 | 2011-01-12 | 深圳市科陆变频器有限公司 | Frequency converter test platform |
| CN201955405U (en) * | 2010-12-14 | 2011-08-31 | 台州富凌电气有限公司 | Frequency converter load testing system |
| CN202631649U (en) * | 2012-04-01 | 2012-12-26 | 江苏迪奥德电气技术有限公司 | Frequency converter test system |
-
2012
- 2012-04-01 CN CN2012100955761A patent/CN102636711A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004120930A (en) * | 2002-09-27 | 2004-04-15 | Nishishiba Electric Co Ltd | Fault detection device of power conversion element |
| CN200993666Y (en) * | 2007-01-15 | 2007-12-19 | 宁茂企业股份有限公司 | Frequency converter power load measuring equipment with energy-saving effect |
| CN201383685Y (en) * | 2009-04-28 | 2010-01-13 | 北京中煤电气有限公司 | Multi-power alternating current variable frequency electric energy feedback device |
| CN101943732A (en) * | 2009-11-27 | 2011-01-12 | 深圳市科陆变频器有限公司 | Frequency converter test platform |
| CN201955405U (en) * | 2010-12-14 | 2011-08-31 | 台州富凌电气有限公司 | Frequency converter load testing system |
| CN202631649U (en) * | 2012-04-01 | 2012-12-26 | 江苏迪奥德电气技术有限公司 | Frequency converter test system |
Non-Patent Citations (1)
| Title |
|---|
| 李云飞等: "变频器故障诊断***", 《微电子学与计算机》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730368A (en) * | 2013-12-20 | 2015-06-24 | 北车大连电力牵引研发中心有限公司 | Frequency converter testing system and method |
| CN104849588A (en) * | 2015-05-05 | 2015-08-19 | 河南职业技术学院 | Test system for frequency converters |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20120815 |