CN109613369A - A kind of photovoltaic DC-to-AC converter Auto-Test System - Google Patents
A kind of photovoltaic DC-to-AC converter Auto-Test System Download PDFInfo
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- CN109613369A CN109613369A CN201811578612.3A CN201811578612A CN109613369A CN 109613369 A CN109613369 A CN 109613369A CN 201811578612 A CN201811578612 A CN 201811578612A CN 109613369 A CN109613369 A CN 109613369A
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000007639 printing Methods 0.000 claims abstract description 14
- 238000012795 verification Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of photovoltaic DC-to-AC converter Auto-Test Systems of inverter the field of test technology, including being tested photovoltaic DC-to-AC converter, electrically input connects feed-back type grid simulator to tested photovoltaic DC-to-AC converter, electrically input connects power grid to feed-back type grid simulator, electrically group device is shown in output connection to feed-back type grid simulator, show and dials device electrical property O connection system control unit, the tested two-way electric connection power analyzer of photovoltaic DC-to-AC converter, power analyzer electrical property O connection system control unit, electrically output connects solar battery simulator to system control unit, electrically output connects tested photovoltaic DC-to-AC converter to solar battery simulator, the two-way electric connection control terminal of system control unit, electrically output connects printing equipment to control terminal, electrically input connects system control unit to printing equipment, the present invention can be effectively reduced to power grid and test Influence, reinforce the accuracy of test result, make to test more flexible, accelerate the efficiency of test.
Description
Technical field
The present invention relates to inverter the field of test technology, specially a kind of photovoltaic DC-to-AC converter Auto-Test System.
Background technique
With the continuous development of society, demand of the people to the energy is increasing, and the mankind are facing shortage of resources at present
Serious problem, to answer this challenge, people actively research and develop clean energy resource, wherein photovoltaic power generation technology is concerned, make
For the indispensable core component of photovoltaic generating system, the power supply matter of the property relationship of photovoltaic DC-to-AC converter to photovoltaic generating system
Amount, operational reliability etc., so, before its factory, must to photovoltaic DC-to-AC converter include isolated island defencive function, load capacity,
Performance indexes including power factor (PF), overvoltage/undervoltage protection etc. is tested, to guarantee that photovoltaic DC-to-AC converter meets relevant design
Power network current is directly accessed device to test by standard, traditional test macro part, is easy to interfere the electric current of power grid, and
And be easy to interfere test device, influence test data, the single fixation of the test item of traditional test macro, it is difficult to
Test item is preset according to demand, and traditional test macro is not defined permission, no safety guarantee.
Summary of the invention
The purpose of the present invention is to provide a kind of photovoltaic DC-to-AC converter Auto-Test Systems, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of photovoltaic DC-to-AC converter Auto-Test System, including
Tested photovoltaic DC-to-AC converter is tested photovoltaic DC-to-AC converter electrically input connection feed-back type grid simulator, feed-back type grid simulator electricity
Property input connection power grid, electrically output connection is shown and dials device for feed-back type grid simulator, shows and dials the control of device electrical property O connection system
Unit, electrically input connects system control unit, the anti-isolated island of the two-way electric connection of system control unit to feed-back type grid simulator
Test load, electrically output connects anti-isolated island test load to feed-back type grid simulator, and the tested two-way electrical property of photovoltaic DC-to-AC converter connects
Power analyzer is connect, power analyzer electrical property O connection system control unit, electrically output connects the sun to system control unit
Energy battery simulator, electrically output connects tested photovoltaic DC-to-AC converter, the two-way electrical property of system control unit to solar battery simulator
Control terminal is connected, electrically output connects printing equipment, printing equipment electrical property input connection system control unit to control terminal.
Preferably, system control unit includes that user limits module, and user limits module electrically output connection respectively
Instrument controlling module and test editor module, instrument controlling module and test the editor module clean open architecture of electrical output quantity
Platform.
Preferably, electrically output connects anti-isolated island test load, solar battery simulator, feedback to open architecture platform
Formula grid simulator and control terminal, electrically group device and power analyzer are shown in input connection to open architecture platform, and user limits
Electrically input connects control terminal to module.
Preferably, control terminal includes identification module and project limits module, identification module electrically output connection
Project limits module, and project limits module electrically output connection instrument controlling module and test editor module.
Preferably, printing equipment includes report generation module, and electrically editor module is reported in output connection to report generation module,
Report editor module electrically output connection printer.
Preferably, electrically input connection open architecture platform, report editor module electrical property input connect report generation module
Connect control terminal.
Preferably, control terminal includes input unit, and electrically output connectivity verification module, authentication module are electrically defeated for input unit
Link control module out, electrically output connects display screen for input unit, authentication module and control module.
Preferably, electrically input connection report generation module and report editor module, control module electrically export display screen
Connection report editor module and system control unit, electrically output connection user limits module to authentication module.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention simulates the electric current in power grid by the way that by feed-back type grid simulator, electrically input connects power grid, then
Analog current is exported into tested photovoltaic DC-to-AC converter and anti-isolated island test load by feed-back type grid simulator and is tested,
The influence to power grid and test can be effectively reduced, the accuracy of test result is reinforced；
2, the present invention in system control unit by being provided with open architecture platform, and electrically output connects open architecture platform
Connect test software, enhance the flexibility of system, convenient for increasing test item, can by test editor module to test item into
Row is default, makes to test more flexible, and test accelerates the efficiency of test automatically；
3, by the present invention in that user limits module electrically output connection instrument controlling module and test editor module, to different
The permission of personnel is defined, and increases the safety of software.
Detailed description of the invention
Fig. 1 is principle of the invention figure；
Fig. 2 is present system control unit functional block diagram；
Fig. 3 is printing equipment functional block diagram of the present invention；
Fig. 4 is control terminal functional block diagram of the present invention.
In figure: 1, being tested photovoltaic DC-to-AC converter；2, feed-back type grid simulator；3, power grid；4, show and dial device；5, system control is single
Member；51, user limits module；52, instrument controlling module；53, editor module is tested；54, open architecture platform；6, power
Analyzer；7, solar battery simulator；8, control terminal；81, input unit；82, authentication module；83, control module；84, it shows
Display screen；9, printing equipment；91, report generation module；92, editor module is reported；93, printer；10, anti-isolated island test load.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of photovoltaic DC-to-AC converter Auto-Test System, including quilt
Photovoltaic DC-to-AC converter 1 is surveyed, the electrically input connection feed-back type grid simulator 2 of photovoltaic DC-to-AC converter 1, feed-back type grid simulator 2 are tested
Electric current in simulating grid 3 is transmitted in tested photovoltaic DC-to-AC converter 1, and electrically input connects power grid 3 to feed-back type grid simulator 2,
Electrically group device 4 is shown in output connection to feed-back type grid simulator 2, shows and dials the electrical O connection system control unit 5 of device 4, by electric current
Information is transmitted to system control unit 5, then is transmitted to control terminal 8 by system control unit 5, and feed-back type grid simulator 2 is electrically
Input connection system control unit 5, runs, the two-way electric connection of system control unit 5 convenient for control feed-back type grid simulator 2
Anti- isolated island test load 10 controls anti-isolated island test load 10 and operates, while receiving the experiment that anti-isolated island test load 10 is passed back
Data, electrically output connects anti-isolated island test load 10 to feed-back type grid simulator 2, and the tested two-way electrical property of photovoltaic DC-to-AC converter 1 connects
Power analyzer 6 is connect, it is single to be transmitted to system control by the electrical O connection system control unit 5 of power analyzer 6 for experimental data
In member 5, convenient for checking from control terminal 8, electrically output connects solar battery simulator 7 to system control unit 5, controls the sun
Energy 7 simulated experiment data of battery simulator, electrically output connects tested photovoltaic DC-to-AC converter 1, directly survey to solar battery simulator 7
Try the performance of tested photovoltaic DC-to-AC converter 1, the two-way electric connection control terminal 8 of system control unit 5, the electrically output connection of control terminal 8
Printing equipment 9 is convenient for direct printed report, and electrically input connects system control unit 5 to printing equipment 9.
Wherein, system control unit 5 includes that user limits module 51, and user limits module 51, and electrically output connects respectively
Instrument controlling module 52 and test editor module 53 are connect, can identify different personnel, is provided not for different staff
Electrically output connects open architecture platform 54 for same permission, instrument controlling module 52 and test editor module 53, open
Architecture platform 54 is easily installed different software；
Electrically output connects anti-isolated island test load 10, solar battery simulator 7, feed-back type power grid to open architecture platform 54
Simulator 2 and control terminal 8, convenient for connection experimental provision and software, the electrical input connection of open architecture platform 54, which is shown, dials 4 He of device
Power analyzer 6, user limit the electrically input connection control terminal 8 of module 51, convenient for identifying different personnel, not convenient for setting
Same work permission；
Control terminal 8 includes identification module and project limits module, and electrically output interlocking item limits mould to identification module
Block, project limits module electrically output connection instrument controlling module 52 and test editor module 53, for different testers,
Specified permission is set；
Printing equipment 9 includes report generation module 91, and electrically editor module 92, report are reported in output connection to report generation module 91
Electrically output connects printer 93 to editor module 92, convenient for timely printed report；
Electrically input connects open architecture platform 54 to report generation module 91, can automatically generate report, report editor module
92 electrically input connection control terminal 8, convenient for adjusting the template of report at any time；
Control terminal 8 includes input unit 81, and electrically output connectivity verification module 82, authentication module 82 electrically export input unit 81
Link control module 83, input unit 81, authentication module 82 and control module 83 electrically output connection display screen 84, be convenient for and
When display experiment information；
Electrically input connects report generation module 91 and report editor module 92 to display screen 84, convenient for display and changes test report
It accuses, electrically editor module 92 and system control unit 5 are reported in output connection to control module 83, convenient for manually controlling experimental provision,
Electrically output connection user limits module 51 to authentication module 82, convenient for verifying the identity of user.
Working principle: staff carries out authentication by control terminal 8, and verifying is completed in walking system control unit 5
User limits module 51 and identifies to identity, and opens permission corresponding with identity according to the identity of user, passes through
The data of 53 pairs of editor module tests of test are preset, and after the completion of editor, open architecture platform 54 automatically controls test dress
Test is set, feed-back type grid simulator 2 acquires the current information in power grid 3, and the electric current in simulating grid 3, feed-back type power grid
Electric current is transmitted in anti-isolated island test load 10 and carries out anti-isolated island test by simulator 2, and anti-isolated island test load 10 will be surveyed
Test result is transmitted in system control unit 5, shows the current data dialled in the display feed-back type grid simulator 2 of device 4, feed-back type electricity
Net simulator 2 conducts electrical currents to tested photovoltaic DC-to-AC converter 1, and solar battery simulator 7 is according to the setting of system control unit 5
Analog solar power generation, power analyzer 6 analyzes the operating power of tested photovoltaic DC-to-AC converter 1, and passes analysis result back system
In control unit 5, test result reaches in printing equipment 9 through system control unit 5 and generates test report, can pass through control terminal 8
The typesetting of test report is edited, is most printed afterwards through printer 93.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of photovoltaic DC-to-AC converter Auto-Test System, including it is tested photovoltaic DC-to-AC converter (1), it is characterised in that: tested photovoltaic is inverse
Become device (1) electrically input connection feed-back type grid simulator (2), feed-back type grid simulator (2) electrical property input connection power grid
(3), electrically group device (4) are shown in output connection to feed-back type grid simulator (2), show that group device (4) electrical O connection system control is single
First (5), feed-back type grid simulator (2) electrically input connection system control unit (5), system control unit (5) two-way electrical property
Anti- isolated island test load (10) is connected, electrically output connects anti-isolated island test load (10) to feed-back type grid simulator (2), is tested
The two-way electric connection power analyzer (6) of photovoltaic DC-to-AC converter (1), power analyzer (6) electrical property O connection system control unit
(5), system control unit (5) electrically output connection solar battery simulator (7), solar battery simulator (7) are electrically defeated
It connects out tested photovoltaic DC-to-AC converter (1), the two-way electric connection control terminal (8) of system control unit (5), control terminal (8) is electrically defeated
Printing equipment (9) are connected out, printing equipment (9) electrically input connection system control unit (5).
2. a kind of photovoltaic DC-to-AC converter Auto-Test System according to claim 1, it is characterised in that: system control unit
It (5) include that user limits module (51), user limits module (51) electrically output connection instrument controlling module (52) respectively
With test editor module (53), instrument controlling module (52) and test editor module (53) the clean open architecture of electrical output quantity
Platform (54).
3. a kind of photovoltaic DC-to-AC converter Auto-Test System according to claim 2, it is characterised in that: open architecture platform
(54) electrically output connect anti-isolated island test load (10), solar battery simulator (7), feed-back type grid simulator (2) and
Control terminal (8), electrically group device (4) and power analyzer (6) are shown in input connection to open architecture platform (54), and user limits mould
Block (51) electrically input connection control terminal (8).
4. a kind of photovoltaic DC-to-AC converter Auto-Test System according to claim 1, it is characterised in that: control terminal (8) includes
Identification module and project limit module, and electrically output interlocking item limits module to identification module, and project limits module
Electrically output connection instrument controlling module (52) and test editor module (53).
5. a kind of photovoltaic DC-to-AC converter Auto-Test System according to claim 1, it is characterised in that: printing equipment (9) packet
It includes report generation module (91), editor module is reported in report generation module (91) electrically output connection report editor module (92)
(92) electrically output connection printer (93).
6. a kind of photovoltaic DC-to-AC converter Auto-Test System according to claim 5, it is characterised in that:.Report generation module
(91) electrically input connection open architecture platform (54), report editor module (92) electrically input connection control terminal (8).
7. a kind of photovoltaic DC-to-AC converter Auto-Test System according to claim 1, it is characterised in that: control terminal (8) includes
Input unit (81), input unit (81) electrically output connectivity verification module (82), authentication module (82) electrically output connection control
Molding block (83), electrically output connection display screen (84) of input unit (81), authentication module (82) and control module (83).
8. a kind of photovoltaic DC-to-AC converter Auto-Test System according to claim 7, it is characterised in that: display screen (84) is electrically
Input connection report generation module (91) and report editor module (92), control module (83) electrically export connection report editor's mould
Block (92) and system control unit (5), electrically output connection user limits module (51) to authentication module (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578612.3A CN109613369A (en) | 2018-12-24 | 2018-12-24 | A kind of photovoltaic DC-to-AC converter Auto-Test System |
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| CN201811578612.3A CN109613369A (en) | 2018-12-24 | 2018-12-24 | A kind of photovoltaic DC-to-AC converter Auto-Test System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115825633A (en) * | 2023-02-14 | 2023-03-21 | 深圳市首航新能源股份有限公司 | Assessment method and device of photovoltaic inverter complete machine test system and upper computer |
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