CN104297603B - Three-motor-combined frequency converter full-load aging test device - Google Patents
Three-motor-combined frequency converter full-load aging test device Download PDFInfo
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- CN104297603B CN104297603B CN201410598192.0A CN201410598192A CN104297603B CN 104297603 B CN104297603 B CN 104297603B CN 201410598192 A CN201410598192 A CN 201410598192A CN 104297603 B CN104297603 B CN 104297603B
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Abstract
The invention discloses a three-motor-combined frequency converter full-load aging test device. The three-motor-combined frequency converter full-load aging test device comprises an incoming wire breaker, an energy feedback unit, an industrial computer, tested frequency converters, first tested motors, second tested motors, test-accompanying electric generators and test-accompanying frequency converters. The incoming wire breaker is electrically connected with a mains supply. The incoming wire breaker is electrically connected with the tested frequency converters and the energy feedback unit respectively. The tested frequency converters are electrically connected with the corresponding first tested motors and the corresponding second tested motors respectively. The first tested motors and the second tested motors are connected in the axial direction. The second tested motors are connected with the test-accompanying electric generators in the axial direction. The test-accompanying electric generators are electrically connected with the test-accompanying frequency converters. The test-accompanying frequency converters are electrically connected with the energy feedback unit. The tested frequency converters and the test-accompanying frequency converters are electrically connected with the industrial computer. Since the three-motor-combined frequency converter full-load aging test device is equipped with the motors in different combinations, the three-motor-combined frequency converter full-load aging test device can be used for testing frequency converters at various power sections, thereby saving cost; the device conducts feedback to a power grid through the energy feedback unit, thereby lowering energy consumption.
Description
Technical field
The present invention relates to a kind of converter aging testing apparatus are and in particular to a kind of three horses that can carry out multistation test
Reach and aging testing apparatus are fully loaded with to the converter tied up.
Background technology
On 2 4th, 2009 State Council review and have passed equipment manufacture adjustment in principle and revitalize planning.Premier Wen Jiabao exists
Also specially propose in the government work report, implement independent research Grand Equipments domestic support engineering and system of government perchasing, put forth effort
Develop the required equipment of great complete set of equipments, high tech equipment and high-tech industry, improve equipment manufacture integrated innovation and domestic
Change level.China is built up and weighs in the world by " 12 " national strategies and plans having formulated systematic development equipment manufacture
The equipment manufacturing wanted and supply base.
2011 annual low voltage frequency converter market scales reach 53,600,000,000, increase by 21.6% on a year-on-year basis, 2012 annual high voltage converters
Market scale reaches 24,800,000,000, increases by 45% on a year-on-year basis, industrial upgrading, the advantage policy implication such as energy-saving and emission-reduction it is contemplated that next three years,
Chinese frequency converter markets will break through hundred billion.
Chinese medium-high voltage frequency converter market has wide development space, the expansion with market and user side demand many
Sample, the function of domestic frequency converter product in constantly improve and increase, integrated level and systematization more and more higher.Whole high-pressure frequency-conversion
The growth of lasting explosion type in device market, but China's converter brand is already covered by nearly all field, and
International top-brand relatively has superiority of effectiveness.
Most domestic converter vendor product test at present is tested substantially by hand, and test equipment disunity, during test
Between long, coverage rate is relatively low, there is test leakage, and test data cannot be attached with production management system, is unfavorable for the entirety of enterprise
Manufacture upgrading.There is fraction manufacturer to employ automatic test, but also substantially all do not reach and test at full capacity, and most of test
Mode is converter and drives motor, consumes electric energy produced by motor rotation, waste of resource with Motor flywheel.In addition
Some possess the manufacturer of oneself laboratory, have begun to employ the test platform to the form of tying up for the motor in laboratory, to test
Improve the performance of the product of oneself.But what they were used is all two motors to the mode tied up, a platform corresponding
Plant the product of power, there is certain limitation it is desirable to realize relatively difficult aborning.
Content of the invention
For solving above-mentioned technical problem, we have proposed a kind of three motors and aging testing apparatus be fully loaded with to the converter tied up,
Its purpose: make up the defect that cannot test at full capacity in converter production test, help converter manufacturing enterprise to improve converter
Outgoing quality, realize the multiple station test of platform and cover multiple power section, move towards production line from laboratory, simultaneously
Make use of energy feedback unit, the electric energy feedback electrical network producing in test process, energy saving can be made.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of three motors are fully loaded with aging testing apparatus to the converter tied up, including lead-in circuit breaker, energy feedback unit, work
Industry computer, tested converter, the first tested motor, the second tested motor, accompany survey generator and accompany survey frequency converter；
Lead-in circuit breaker is electrically connected with civil power, and lead-in circuit breaker accesses civil power, gives this three motor to the frequency conversion tied up after voltage stabilizing
Device is fully loaded with aging testing apparatus powers；
Lead-in circuit breaker is electrically connected with tested converter and energy feedback unit respectively, described tested converter respectively with
First tested motor and the electrical connection of the second tested motor, are provided with first between wherein tested converter and the first tested motor electronic
Switch, is provided with the second motor switch, the first motor switch and the second motor switch between tested converter and the second tested motor
All electrically connect with industrial computer, loading level according to needed for tested converter for the industrial computer is controlling the first motor switch and
The switch motion of two motor switches, makes tested converter can electrically connect with the first tested motor and the second tested motor simultaneously,
Can also electrically connect with one of the first tested motor and the second tested motor；
First tested motor is axially connected with the second tested motor, and the second tested motor is axially connected with accompany survey generator,
First tested motor is identical with the function of the second tested motor, the effect main with the second tested motor of the first tested motor
It is to test tested converter, form multiple test station and multiple power section；
Described accompany survey generator is electrically connected with accompany survey frequency converter；Accompany survey frequency converter drags accompany measured motor and runs, and accompanies survey to become
The major function of frequency device and accompany survey generator is to tested converter manufacture load, and generates electricity and be conveyed to energy feedback unit；
Accompany survey frequency converter is electrically connected with energy feedback unit, and energy feedback unit is by the dc bus end of accompany survey frequency converter
Voltage conversion is alternating voltage, feeds back to lead-in circuit breaker, is fully loaded with aging testing apparatus to the converter tied up to this three motor and supplies
Electricity；
Tested converter and accompany survey frequency converter are electrically connected with industrial computer respectively, and industrial computer is used for controlling and detect tested
Converter and the ruuning situation of accompany survey frequency converter.
Preferably, tested converter, the first tested motor, the number of the second tested motor, accompany measured motor and accompany survey frequency converter
Amount is equal, the quantity of tested converter at least one.
Preferably, the power sum of the power of the first tested motor and the second tested motor is equal to the work(of accompany survey generator
Rate.
By technique scheme, three motors that the present invention is announced are fully loaded with aging testing apparatus to the converter tied up, and lead to
Cross the motor being equipped with various combination, form multiple stations, test the first tested motor, the second tested motor and the first quilt
The converter of the power section grade of the power sum of measured motor and the second tested motor；Converter is made to reach peak power long-time
Operating, the drawbacks of improving the do not reached full load operation of conventional test and be unable to long time loading；Energy is make use of to return
Feedback unit, defines the feedback to electrical network, decreases the use of civil power, reduce energy consumption；Therefore by the fully loaded fortune of certain time
Row meets aging purpose before product export, so that the screening rate of defective products is greatly improved, thus improve stablizing of product
Property.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is that a kind of three motors disclosed in this invention are fully loaded with the structural representation of aging testing apparatus to the converter tied up
Figure.
Corresponding component title represented by figure numeral and letter:
1. tested converter 5. first tested motor 6. of lead-in circuit breaker 2. energy feedback unit 3. industrial computer 4.
Second tested motor, 7. accompany survey generator 8. accompany survey frequency converter
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
With reference to schematic diagram, the specific embodiment of the present invention is described in further detail.
As shown in figure 1, a kind of three motors are fully loaded with aging testing apparatus to the converter tied up, including lead-in circuit breaker 1, energy
Feedback unit 2, industrial computer 3, tested converter 4, the first tested motor 5, the second tested motor 6, accompany survey generator 7 and accompany survey
Converter 8.
Lead-in circuit breaker 1 is electrically connected with civil power, and lead-in circuit breaker 1 accesses civil power, gives this three motor to the change tied up after voltage stabilizing
Frequency device is fully loaded with aging testing apparatus powers.
Lead-in circuit breaker 1 is electrically connected with tested converter 4 and energy feedback unit 2 respectively, 4 points of described tested converter
Do not electrically connect with the first tested motor 5 and the second tested motor 6, be provided between wherein tested converter 4 and the first tested motor 5
First motor switch, is provided with the second motor switch, the first motor switch and between tested converter 4 and the second tested motor 6
Two motor switches are all electrically connected with industrial computer 3, and loading level according to needed for tested converter 4 for the industrial computer 3 controls
One motor switch and the switch motion of the second motor switch, make tested converter 4 can simultaneously with the first tested motor 5 and second
Tested motor 6 is electrically connected it is also possible to be electrically connected with one of the first tested motor 5 and the second tested motor 6.
First tested motor 5 is axially connected with the second tested motor 6, and the second tested motor 6 is axially connected with accompany survey generator 7
Connect, the first tested motor 5 is identical with the function of the second tested motor 6, the first tested motor 5 and the second tested motor 6 are main
The effect wanted is to test tested converter 4, forms multiple test station and multiple power section.
Described accompany survey generator 7 is electrically connected with accompany survey frequency converter 8；Accompany survey frequency converter 8 drags accompany measured motor 7 and runs, and accompanies
The major function surveying converter 8 with accompany survey generator 7 is to manufacture load to tested converter 4, and generates electricity and be conveyed to energy feedback
Unit 2.
Accompany survey frequency converter 8 is electrically connected with energy feedback unit 2, and energy feedback unit 2 is by the dc bus of accompany survey frequency converter 8
The voltage conversion at end is alternating voltage, feeds back to lead-in circuit breaker 1, is fully loaded with burn-in test to the converter tied up to this three motor and sets
Available electricity.
Tested converter 4 and accompany survey frequency converter 8 are electrically connected with industrial computer 3 respectively, and industrial computer 3 is used for controlling and detects
Tested converter 4 and the ruuning situation of accompany survey frequency converter 8.
This three motor is fully loaded with the work process of aging testing apparatus to the converter tied up: accesses city by lead-in circuit breaker 1
Electricity, powers to tested converter 4 and energy feedback unit 2, in test process, gives the running frequency of tested converter 4, band
Dynamic first tested motor 5 is operated with the second tested motor 6, adjusts the torque of accompany survey frequency converter 8, and accompany measured motor 7 is generated electricity.
Accompany measured motor 7 electricity, is converted into unidirectional current by accompany survey frequency converter 8, is converted into unidirectional current through energy feedback unit 2
Alternating current, and by filtering, be incorporated to lead-in circuit breaker 1 outfan, be supplied to tested converter 4 and run.
Tested converter 4, the first tested motor 5, the quantity of the second tested motor 6, accompany measured motor 7 and accompany survey frequency converter 8
Equal, the quantity at least one of tested converter 4 is it is ensured that this three motor is fully loaded with aging testing apparatus energy to the converter tied up
Test at least one tested converter 4 simultaneously.
The power sum of the power of the first tested motor 5 and the second tested motor 6 is equal to the power of accompany survey generator 7.
This three motor is fully loaded with aging testing apparatus to the converter tied up, and by being equipped with the motor of various combination, is formed
Multiple stations and containing having covered the first tested motor 5, the second tested motor 6 and the first tested motor 5 and the second tested motor 6
Power sum power section, test the first tested motor 5, the second tested motor 6 and the first tested motor 5 and second tested
The converter of the power section grade of the power sum of motor 6；Make tested converter 4 reach peak power long time running, improve
The drawbacks of full load that conventional test is not reached is run, low frequency cannot fill it up with load and is unable to long time loading；Make use of
Energy feedback unit, defines the feedback to electrical network, decreases the use of civil power, reduces energy consumption, therefore by certain time
Full-load run meets aging purpose before product export, so that the screening rate of defective products is greatly improved, thus improve product
Stability.
It is exactly more than construction featuress and the action effect that a kind of three motors are fully loaded with aging testing apparatus to the converter tied up, its
Advantage: compensate for the defect that cannot test at full capacity in converter production test, help converter manufacturing enterprise to improve converter
Outgoing quality, can feedback grid, energy saving.
Above-described is only the preferred embodiment of the present invention it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, some deformation can also be made and improve, these broadly fall into the present invention
Protection domain.
Claims (3)
1. a kind of three motors are fully loaded with aging testing apparatus to the converter tied up it is characterised in that including lead-in circuit breaker (1), energy
Measure feedback unit (2), industrial computer (3), tested converter (4), the first tested motor (5), the second tested motor (6), accompany survey
Electromotor (7) and accompany survey frequency converter (8)；
Lead-in circuit breaker (1) is electrically connected with civil power, and lead-in circuit breaker (1) accesses civil power, gives this three motor to the change tied up after voltage stabilizing
Frequency device is fully loaded with aging testing apparatus powers；
Lead-in circuit breaker (1) is electrically connected with tested converter (4) and energy feedback unit (2) respectively, described tested converter
(4) electrically connect with the first tested motor (5) and the second tested motor (6) respectively, wherein tested converter (4) and the first tested electricity
It is provided with the first motor switch between machine (5), between tested converter (4) and the second tested motor (6), be provided with the second motor switch,
First motor switch and the second motor switch are all electrically connected with industrial computer (3), and industrial computer (3) is according to tested converter (4)
Required loading level, to control the switch motion of the first motor switch and the second motor switch, makes tested converter (4) permissible
Electrically connect with the first tested motor (5) and the second tested motor (6) simultaneously it is also possible to the first tested motor (5) and the second quilt
One of measured motor (6) electrically connects；
First tested motor (5) and the second tested motor (6) are axially connected, the second tested motor (6) and accompany survey generator (7) axle
To connection, the first tested motor (5) is identical with the function of the second tested motor (6), the first tested motor (5) and the second quilt
The main effect of measured motor (6) is to test tested converter (4), forms multiple test station and multiple power section；
Described accompany survey generator (7) is electrically connected with accompany survey frequency converter (8)；Accompany survey frequency converter (8) drags accompany measured motor (7) fortune
OK, accompany survey frequency converter (8) and the major function of accompany survey generator (7) are to manufacture load to tested converter (4), and the conveying that generates electricity
To energy feedback unit (2)；
Accompany survey frequency converter (8) is electrically connected with energy feedback unit (2), and energy feedback unit (2) is by the direct current of accompany survey frequency converter (8)
The voltage conversion at bus end is alternating voltage, feeds back to lead-in circuit breaker (1), the converter tied up is fully loaded with to this three motor aging
Test equipment is powered；
Tested converter (4) and accompany survey frequency converter (8) are electrically connected with industrial computer (3) respectively, industrial computer (3) be used for control and
Detect tested converter (4) and the ruuning situation of accompany survey frequency converter (8).
2. a kind of three motors according to claim 1 are fully loaded with aging testing apparatus it is characterised in that quilt to the converter tied up
Survey converter (4), the first tested motor (5), the quantity of the second tested motor (6), accompany measured motor (7) and accompany survey frequency converter (8)
Equal, the quantity of tested converter (4) at least one.
3. a kind of three motors according to claim 1 are fully loaded with aging testing apparatus to the converter tied up it is characterised in that the
The power sum of the power of one tested motor (5) and the second tested motor (6) is equal to the power of accompany survey generator (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598192.0A CN104297603B (en) | 2014-10-30 | 2014-10-30 | Three-motor-combined frequency converter full-load aging test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598192.0A CN104297603B (en) | 2014-10-30 | 2014-10-30 | Three-motor-combined frequency converter full-load aging test device |
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| Publication Number | Publication Date |
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| CN104297603A CN104297603A (en) | 2015-01-21 |
| CN104297603B true CN104297603B (en) | 2017-02-01 |
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| CN201410598192.0A Active CN104297603B (en) | 2014-10-30 | 2014-10-30 | Three-motor-combined frequency converter full-load aging test device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105116256B (en) * | 2015-08-27 | 2017-10-20 | 北京利德华福电气技术有限公司 | A kind of new high voltage converter self-loopa test system and its adjustment method |
| CN109470940B (en) * | 2017-09-07 | 2021-03-23 | 株洲变流技术国家工程研究中心有限公司 | Full-power test device and method for converter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779471A (en) * | 2004-11-17 | 2006-05-31 | 上海神源电气有限公司 | Frequency-converter ageing tester |
| CN102539966A (en) * | 2011-12-23 | 2012-07-04 | 台达电子企业管理（上海）有限公司 | Testing system for loads of frequency converters |
| CN102570501A (en) * | 2011-12-28 | 2012-07-11 | 台达电子企业管理（上海）有限公司 | Product quality aging testing system |
| CN103399228A (en) * | 2013-07-30 | 2013-11-20 | 苏州汇川技术有限公司 | Total power aging test circuit for current transformer or frequency transformer |
| CN103683959A (en) * | 2013-12-18 | 2014-03-26 | 焦作市明株自动化工程有限责任公司 | Power unit burn-in method for high-voltage frequency converter |
| CN104034981A (en) * | 2014-06-18 | 2014-09-10 | 上海吉亿电机有限公司 | Self-circulation aging test system and test method for frequency converter |
| CN204129146U (en) * | 2014-10-30 | 2015-01-28 | 苏州苏名自动化设备有限公司 | A kind of three motors are fully loaded with aging testing apparatus to the frequency converter tied up |
-
2014
- 2014-10-30 CN CN201410598192.0A patent/CN104297603B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779471A (en) * | 2004-11-17 | 2006-05-31 | 上海神源电气有限公司 | Frequency-converter ageing tester |
| CN102539966A (en) * | 2011-12-23 | 2012-07-04 | 台达电子企业管理（上海）有限公司 | Testing system for loads of frequency converters |
| CN102570501A (en) * | 2011-12-28 | 2012-07-11 | 台达电子企业管理（上海）有限公司 | Product quality aging testing system |
| CN103399228A (en) * | 2013-07-30 | 2013-11-20 | 苏州汇川技术有限公司 | Total power aging test circuit for current transformer or frequency transformer |
| CN103683959A (en) * | 2013-12-18 | 2014-03-26 | 焦作市明株自动化工程有限责任公司 | Power unit burn-in method for high-voltage frequency converter |
| CN104034981A (en) * | 2014-06-18 | 2014-09-10 | 上海吉亿电机有限公司 | Self-circulation aging test system and test method for frequency converter |
| CN204129146U (en) * | 2014-10-30 | 2015-01-28 | 苏州苏名自动化设备有限公司 | A kind of three motors are fully loaded with aging testing apparatus to the frequency converter tied up |
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| CN104297603A (en) | 2015-01-21 |
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Address after: 215000 Jiangsu city of Suzhou province Wuzhong District town Xu Road No. 199 new industrial district 11 Patentee after: SUZHOU SUMING AUTOMATION EQUIPMENT CO., LTD. Address before: 215164 Xi Cang dock 17, 9 group of Yao Nan community, Wuzhong District, Suzhou, Jiangsu Patentee before: SUZHOU SUMING AUTOMATION EQUIPMENT CO., LTD. |