CN109541359A - A kind of converter automatic test system and its application method - Google Patents
A kind of converter automatic test system and its application method Download PDFInfo
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- CN109541359A CN109541359A CN201811606698.6A CN201811606698A CN109541359A CN 109541359 A CN109541359 A CN 109541359A CN 201811606698 A CN201811606698 A CN 201811606698A CN 109541359 A CN109541359 A CN 109541359A
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
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Abstract
A kind of converter automatic test system, converter automatic test system of the invention, it is arranged for the power supply module for having tested device offer power supply, testing control module and data acquisition module, testing control module is connect with power supply module, the output end of data acquisition module and the input terminal of testing control module connect, examination control module is arranged according to the test-types of tested device and controls the output parameter of power supply module, power supply corresponding after adjusting is sent to tested device and provides power supply for the tested device by power supply module, data acquisition module collects the exchange end of tested device and the parameter of DC terminal and generates report, the parameter information at the exchange end of the tested device of collection and DC terminal is sent to testing control module by data acquisition module, the converter automatic test system when in use can be to adaptation Different testing requirements, while the cumbersome workflow for passing through manual operation and recording is avoided the need for, so that test is more succinct, reduce cost of labor, reduction operating error.
Description
Technical field
The present invention relates to the field of test technology of electric system, more particularly to a kind of converter automatic test system.
Background technique
When testing energy accumulation current converter and photovoltaic DC-to-AC converter (hereinafter referred to as equipment under test) efficiency stress_responsive genes, need individually to control
Alternating current source processed and DC source, power analyzer.Manually adjusting direct current source power makes equipment under test reach specified power, then controls
Power analysis carries out storing data, and after the completion of waiting storage, export data carry out the secondary treatment analysis of data manually.This process
The very complicated waste of manpower time, and arrange in data procedures that data processing is cumbersome wastes time very much.
Therefore, in view of the shortcomings of the prior art, providing a kind of converter automatic test system to overcome the deficiencies of the prior art very
For necessity.
Summary of the invention
A kind of converter automatic test system is provided it is an object of the invention to avoid the deficiencies in the prior art place, it should
Converter automatic test system can directly generate efficiency test report, save manpower, reduce error.
Above-mentioned purpose of the invention is realized by following technological means.
A kind of converter automatic test system is provided, is provided with tested device, for providing the electricity of power supply to tested device
Source power supply module, testing control module and data acquisition module, testing control module are connect with power supply module, and data are adopted
The input terminal of the output end and testing control module that collect module connects.
Converter automatic test system specific work steps is；
S1: testing control module exports power supply parameter information to power supply module；
S2: power supply module provides power supply to tested device according to power supply parameter information；
S3: the parameter of data collecting module collected tested device exchange end and DC terminal simultaneously generates report；
S4:, collected tested device is exchanged the parameter information of end and DC terminal as feedback letter by data acquisition module
Breath is delivered to testing control module；
S5: the testing control module judges the data acquisition module according to the feedback information of the data acquisition module
It is omitted with the presence or absence of acquisition；It omits if it exists, then enters step S6, omit if it does not exist, then improve step S7；
S6: testing control module output requires supplementation with the power supply parameter information of test to the power supply module；
Return step S2；
S7: test terminates.
Preferably, power supply module is provided with DC power supplier, AC power supply module；DC power supplier respectively with
Testing control module, tested device connection, AC power supply module are connect with testing control module, tested device respectively.
Above-mentioned, corresponding parameter power supply is applied to data according to the control command of testing control module by DC power supplier
Corresponding parameter power supply is applied to tested dress according to the control command of testing control module by acquisition module, AC power supply module
It sets.
Preferably, testing control module is provided with energy accumulation current converter efficiency acquisition control unit and photovoltaic inversion acquisition control
Unit processed；Energy accumulation current converter efficiency acquisition control unit respectively with DC power supplier, AC power supply module, tested device and
Data acquisition module connection, photovoltaic inversion acquisition control unit respectively with DC power supplier, AC power supply module, tested device
And data acquisition module connection；
Preferably, energy accumulation current converter efficiency acquisition control unit control respectively the out-put supply parameter of DC power supplier with
The out-put supply parameter of AC power supply module；
Photovoltaic inversion acquisition control unit controls the out-put supply parameter and AC power supply module of DC power supplier respectively
Out-put supply parameter, the collected information of institute feeds back to energy accumulation current converter efficiency acquisition control list by data acquisition module respectively
Member and photovoltaic inversion acquisition control unit.
Preferably, DC power supplier is provided with CV mode dc power supply, PV mode dc power supply；
CV mode dc power supply is inverse with the tested device, energy accumulation current converter efficiency acquisition control unit and photovoltaic respectively
Become acquisition control unit connection；
PV mode dc power supply is adopted with tested device, energy accumulation current converter efficiency acquisition control unit and photovoltaic inversion respectively
Collect control unit connection；
CV mode dc power supply is according to energy accumulation current converter efficiency acquisition control unit and photovoltaic inversion acquisition control unit
Control command provide power supply for tested device；
PV mode dc power supply is according to energy accumulation current converter efficiency acquisition control unit and photovoltaic inversion acquisition control unit
Control command provide power supply for tested device.
Preferably, the specific rate-determining steps of energy accumulation current converter efficiency acquisition control unit are as follows:
It is CV mode that DC power supply, which is arranged, in step (1-1)；
Step (1-2) sets gradually that the voltage of AC power source is V1, frequency F1, phase are Φ 1；
The voltage that DC power supply is arranged in step (1-3) is V(1-3)；
The power supply X power that tested device is energy accumulation current converter is arranged in step (1-4)；
Step (1-5) carries out delay and waits S1；
The data of T1 period are sent to data acquisition module by step (1-6) control；
Step (1-7) judges whether all power measuring points are completed, if not completing return step (1-4) circulate operation；
Step (1-8) judges whether all voltage measuring points are completed, if not completing return step (1-3) circulate operation；
Preferably, data acquisition module generates data report to step (1-9).
Preferably, energy accumulation current converter efficiency acquisition control unit is for the test of energy accumulation current converter rectification efficiency, energy storage unsteady flow
The test of device inversion efficiency, energy accumulation current converter stress_responsive genes.
Preferably, photovoltaic inversion acquisition control unit specifically controls testing procedure are as follows:
It is PV mode that DC power supply, which is arranged, in step (2-1)；
Step (2-2) sets gradually that the voltage in alternating current source is V2, frequency is F2 and phase is Φ 2；
Step (2-3) carries out film assembly static state MPPT test；
Step (2-4) carries out crystal silicon component static state MPPT test；
Step (2-5) generates A1Report；
Step (2-6) carries out dynamic MPPT test；
Preferably, data acquisition module generates data report to step (2-7).
Preferably, testing control module is additionally provided with film/crystal static state MPPT unit of testing and controlling；
Film/crystal static state MPPT unit of testing and controlling respectively with CV mode dc power supply, PV mode dc power supply, exchange
Power module and the connection of photovoltaic inversion acquisition control unit；
Out-put supply parameter, the PV mode of film/crystal static state MPPT unit of testing and controlling control CV mode dc power supply
Out-put supply parameter, the out-put supply parameter of AC power supply module of DC power supply, and it is sent to photovoltaic inversion acquisition control list
Member executes the operation of step (2-1)-step (2-7).
Preferably, film/crystal static state MPPT unit of testing and controlling testing procedure is；
Step (3-1) be arranged DC power supply be UMPP (MPPT voltage), IMPP, UOC (overvoltage), ISC (short circuit current),
It is tested after setting up, data report could be generated after test.
Step (3-2) carries out third delay and waits；
Step (3-3) is by T3The voltage of period, electric current, power, efficiency are sent to preferably, data acquisition module；
Step (3-4) judges whether all PMPP and UMPP measuring points are completed, if do not complete if return step (3-1) continue into
Row test operation；
Step (3-5) enters step the operation of (2-1)-step (2-7)；
Preferably, testing control module is additionally provided with photovoltaic DC-to-AC converter stress_responsive genes control unit；Photovoltaic inversion acquisition control
Unit processed is connect with DC power supplier, AC power supply module and data acquisition module respectively；
Preferably, the power supply output parameter of photovoltaic DC-to-AC converter stress_responsive genes control unit control DC power supplier and friendship
The output parameter of galvanic electricity source module is simultaneously sent to data acquisition module.
Preferably, the rate-determining steps of photovoltaic DC-to-AC converter stress_responsive genes control unit specifically:
DC power supply CV mode is arranged in step (4-1)；
The voltage of step (4-2) setting AC power source is V4, frequency is F4 and phase is Φ 4；
Step (4-3) judges whether DC power supply is PV mode, is set if PV mode then enters step (4-3-1)
It sets, if not it is that PV mode then enters step (4-3-2)
Step (4-3-1) setting setting DC power supply is UMPP, IMPP, UOC, ISC
It is V that direct current power source voltage, which is arranged, in step (4-3-2)(4-3-2)；
Step (4-4) is arranged energy accumulation current converter and exchanges side power as P friendship；
Step (4-5) carries out S4 delay and waits；
Step (4-6) is by T4The voltage of period, electric current, power, efficiency are sent to data acquisition module；
Step (4-6) judges whether all power measuring points are completed, and enters step (4-4) if not completing；
Preferably, data acquisition module generates data report to step (4-7).
Preferably, when energy accumulation current converter efficiency acquisition control unit is tested for energy accumulation current converter rectification efficiency, step (1-
4) setting tested device is the DC side power of energy accumulation current converter.
Preferably, energy accumulation current converter efficiency acquisition control unit is for the test of energy accumulation current converter inversion efficiency, energy storage unsteady flow
When device stress_responsive genes, the exchange side power that tested device is energy accumulation current converter is arranged in step (1-4).
Preferably, 0V≤V1≤300V；45Hz≤F1≤65Hz；0≤Φ1≤360°；0V≤V(4-3-2)≤360V；0V
≤V(1-3)≤360V。
Preferably, 0min≤S1≤5min.
Preferably, 3min≤T1≤10min.
Preferably, 0V≤V2≤300V；45Hz≤F2≤65Hz；0≤Φ2≤360°.
Preferably, 0≤third delay waiting≤5min.
Preferably, 3min≤T3≤10min。
Preferably, 0V≤V4≤300V；45Hz≤F4≤65Hz；0≤Φ4≤360°.
Preferably, 0min≤S4≤5min；3min≤T4≤10min.
Preferably, the A of step (2-5)1Report includes: static MPPT report, transfer efficiency report, weighting efficiency report one
Kind is or a variety of.
Preferably, data acquisition module is set as WT3000.
Preferably, -1500kW≤P friendship≤1500kW.
Converter automatic test system of the invention is provided with for providing the power supply power supply mould of power supply to tested device
Block, testing control module and data acquisition module, testing control module are connect with power supply module, data acquisition module
Output end and the input terminal of testing control module connect.
Testing control module is arranged according to the test-types of tested device and controls the output parameter of power supply module, electricity
Power supply corresponding after adjusting is applied to tested device and provides power supply, data acquisition module for the tested device by source power supply module
Block collects the exchange end of tested device and the parameter of DC terminal simultaneously generates report, and data acquisition module is by the tested device of collection
The parameter information of exchange end and DC terminal is sent to testing control module.Testing control module is according to the feedback of data acquisition module
Whether infomation detection data acquisition module has acquisition to omit, and continues pair if having and omitting testing control module control power supply module
Tested device applies corresponding power supply, and power supply module is provided with DC power supplier, AC power supply module；Testing and control mould
Block is provided with energy accumulation current converter efficiency acquisition control unit, photovoltaic inversion acquisition control unit, film/crystal static state MPPT test
Control unit and photovoltaic DC-to-AC converter stress_responsive genes control unit, controlling power supply module by different control units will be corresponding
Power data export to tested device, data acquisition module be responsible for acquire tested device exchange end and DC terminal parameter simultaneously
Generate report.The converter automatic test system can avoid the need for simultaneously when in use to different testing requirements is adapted to
Pass through manual operation and the cumbersome workflow recorded reduces cost of labor so that test is more succinct, reduces operating error.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention
System.
Fig. 1 is overall system attachment structure schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 4 is the structural schematic diagram of the embodiment of the present invention 3.
In Fig. 1 to Fig. 4, comprising:
Tested device 100；
Power supply module 200, DC power supplier 201, CV mode dc power supply 2011, PV mode dc power supply
2012, AC power supply module 202；
Testing control module 300, energy accumulation current converter efficiency acquisition control unit 301, photovoltaic inversion acquisition control unit
302, film/crystal static state MPPT unit of testing and controlling 303, photovoltaic DC-to-AC converter stress_responsive genes control unit 304；
Data acquisition module 400.
Specific embodiment
The invention will be further described with the following Examples.
Embodiment 1.
A kind of converter automatic test system is provided with for providing power supply to tested device 100 as shown in Figure 1, 2
Power supply module 200, testing control module 300 and data acquisition module 400.
Testing control module 300 is connect with power supply module 200, and the output end of data acquisition module 400 and test are controlled
The input terminal of molding block 300 connects.
Converter automatic test system specific work steps is；
S1: testing control module 300 exports power supply parameter information to power supply module 200；
S2: power supply module 200 provides power supply to tested device 100 according to power supply parameter information；
S3: data acquisition module 400 acquires tested device 100 and exchanges the parameter at end and DC terminal and generate report；
S4:, data acquisition module 400 using collected tested device 100 exchange the parameter information of end and DC terminal as
Feedback information is delivered to testing control module 300；
S5: testing control module 300 judges that data acquisition module 400 is according to the feedback information of data acquisition module 400
It is no to there is acquisition omission；It omits if it exists, then enters step S6, omit if it does not exist, then improve step S7；
S6: testing control module 300, which exports, requires supplementation with the power supply parameter information of test to power supply module 200；It returns
Return step S2；
S7: test terminates.
Tested device 100 is needed according to test for that can be divided into rectification efficiency test, inversion efficiency is tested, Chinese efficiency is surveyed
Examination.
Data acquisition module 400 is set as WT3000.
Specifically, power supply module 200 is provided with DC power supplier 201, AC power supply module 202；DC power supply
Module 201 is connect with testing control module 300, tested device 100 respectively, AC power supply module 202 respectively with testing and control mould
Block 300, tested device 100 connect, and DC power supplier 201 will join accordingly according to the control command of testing control module 300
For number power delivery to tested device 100, AC power supply module 202 will be corresponding according to the control command of testing control module 300
Parameter power delivery is to tested device 100.
Specifically, testing control module 300 is provided with energy accumulation current converter efficiency acquisition control unit 301 and photovoltaic inversion
Acquisition control unit 302, energy accumulation current converter efficiency acquisition control unit 301 respectively with DC power supplier 201, AC power source mould
Block 202, tested device 100 and data acquisition module 400 connect, photovoltaic inversion acquisition control unit 302 respectively with direct current
Source module 201, AC power supply module 202, tested device 100 and data acquisition module 400 connect, and energy accumulation current converter efficiency is adopted
Collection control unit 301 controls the out-put supply parameter of DC power supplier 201 and the out-put supply of AC power supply module 202 respectively
Parameter, photovoltaic inversion acquisition control unit 302 control the out-put supply parameter and AC power source mould of DC power supplier 201 respectively
The collected information of institute is fed back to energy accumulation current converter efficiency respectively and adopted by the out-put supply parameter of block 202, data acquisition module 400
Collect control unit 301 and photovoltaic inversion acquisition control unit 302.
Specifically, DC power supplier 201 is provided with CV mode dc power supply 2011, PV mode dc power supply 2012, CV
Mode dc power supply 2011 is adopted with tested device 100, energy accumulation current converter efficiency acquisition control unit 301 and photovoltaic inversion respectively
Collect control unit 302 to connect；
PV mode dc power supply 2012 respectively with tested device 100, energy accumulation current converter efficiency acquisition control unit 301 and
Photovoltaic inversion acquisition control unit 302 connects；
CV mode dc power supply 2011 is according to energy accumulation current converter efficiency acquisition control unit 301 and photovoltaic inversion acquisition control
The control command of unit 302 processed is that tested device 100 provides power supply；
PV mode dc power supply 2012 is according to energy accumulation current converter efficiency acquisition control unit 301 and photovoltaic inversion acquisition control
The control command of unit 302 processed is that tested device 100 provides power supply.
Specifically, the specific rate-determining steps of energy accumulation current converter efficiency acquisition control unit 301 are as follows:
It is CV mode that DC power supply, which is arranged, in step (1-1)；
Step (1-2) sets gradually that the voltage of AC power source is V1, frequency F1, phase are Φ 1；
It is above-mentioned specifically, 0V≤V1≤300V；45Hz≤F1≤65Hz；0≤Φ1≤360°.
Practical operation and when V1, F1, Φ 1 is arranged, needs to be configured according to the model of the equipment under test of actual use.
The voltage that DC power supply is arranged in step (1-3) is V(1-3)；；
The power supply X power that tested device 100 is energy accumulation current converter is arranged in step (1-4)；
Step (1-5) carries out delay and waits S1；It is above-mentioned specifically, 0min≤S1≤5min.
Delay waits related with equipment under test, is that waiting equipment under test exports the stable time, such as when equipment under test is defeated
It might have the regular hour when 50kW out for stablizing output, here it is delays to wait, and is 0~5min according to Standard General.
The data of T1 period are sent to specifically, data acquisition module 400 by step (1-6) control；It is above-mentioned specifically,
3min≤T1≤10min。
Step (1-7) judges whether all power measuring points are completed, if not completing return step (1-4) circulate operation；
Step (1-8) judges whether all voltage measuring points are completed, if not completing return step (1-3) circulate operation.
Data acquisition module 400 sends data to the energy accumulation current converter efficiency acquisition control list of testing control module 300
Member 301 carries out data acquisition feedback, in practical operation detection, such as when testing energy accumulation current converter efficiency test, according to
Standard needs to test 3 voltage sections, and each voltage breaks as 10 power points 10%, and 20%, 30%~100%.The method of judgement
It is exactly cyclic query, will continue to run test point if having chosen test point and not passed through circulation.If all test points are all
Being circulated throughout will complete at all power measuring points at this time at report, are illustrated.The detection mode of all voltage measuring points with
The judgment mode of all power points detections is consistent, the common knowledge based on one of ordinary skilled in the art, specific detection step
Suddenly it just repeats no more.
Step (1-9) data acquisition module 400 generates data report.
Specifically, energy accumulation current converter efficiency acquisition control unit 301 becomes for the test of energy accumulation current converter rectification efficiency, energy storage
Flow the test of device inversion efficiency, energy accumulation current converter stress_responsive genes.
Specifically, photovoltaic inversion acquisition control unit 302 specifically controls testing procedure are as follows:
It is PV mode that DC power supply, which is arranged, in step (2-1)；
Step (2-2) sets gradually that the voltage in alternating current source is V2, frequency is F2 and phase is Φ 2.
Specifically, 0V≤V2≤300V；45Hz≤F2≤65Hz；0≤Φ2≤360°.
The voltage that alternating current source is arranged is V2, frequency is F2 and phase is Φ 2 in actual operation according to actual tested
The concrete model of device 100 is set, and the mode of setting is just repeated no more based on the common knowledge of those of ordinary skill in the art.
Step (2-3) carries out film assembly static state MPPT test；
When carrying out film assembly static state MPPT test, the specific device parameter voltage according to photovoltaic DC-to-AC converter is from low to high
It tests, then carries out power and from low to high tested,
Step (2-4) carries out crystal silicon component static state MPPT test；
Step (2-5) generates A1Report；
The A of the step (2-5)1Report includes: static MPPT report, transfer efficiency report, weighting efficiency report.
A1The generation step of report are as follows: 1. collect the data of dependence test, the data of 2. index dependence tests according to mark
The formula that standard provides handled, the data after 3. index process, and addition addition is by the corresponding position, 4. raw into report template
It is reported at word.
Step (2-6) carries out dynamic MPPT test；
Such as: according to " 0002-2014 photovoltaic combining inverter China efficiency techniques condition " standard setting pair in the art
17 curves answered.No. 1-17 is numbered to curve, successively tests and acquire data in order, post-processing data are completed in acquisition
And generate report.
Step (2-7) is specifically, data acquisition module 400 generates data report.
Specifically, report can be automatically generated after the completion of test, by indexing the table filled in corresponding data into report
It is interior.When energy accumulation current converter efficiency acquisition control unit 301 is tested for energy accumulation current converter rectification efficiency, quilt is arranged in step (1-4)
Survey the DC side power that device 100 is energy accumulation current converter.
Specifically, energy accumulation current converter efficiency acquisition control unit 301 becomes for the test of energy accumulation current converter inversion efficiency, energy storage
When flowing device stress_responsive genes, the exchange side power that tested device 100 is energy accumulation current converter is arranged in step (1-4).
Converter automatic test system of the invention is provided with for providing the power supply power supply mould of power supply to tested device
Block, testing control module and data acquisition module, testing control module respectively with power supply module and data acquisition module
Block connection, power supply module are connect with data acquisition module；Testing control module needs to be arranged according to the test of tested device
And the output parameter of power supply module is controlled, power supply module exports voltage, current data to tested device, and data are adopted
The exchange end of collection module acquisition tested device and the parameter of DC terminal simultaneously generate report,.
The converter automatic test system can carry out rectification efficiency test, energy storage unsteady flow to energy accumulation current converter when in use
Device inversion efficiency and photovoltaic DC-to-AC converter China efficiency test, test avoid the need for the cumbersome work for passing through manual operation and recording
Make process, so that test is more succinct, reduces cost of labor, reduce operating error.
Embodiment 2.
A kind of converter automatic test system, other structures are same as Example 1, the difference is that, the current transformer is certainly
Dynamic test macro, specifically, testing control module 300 is additionally provided with film/crystal static state MPPT unit of testing and controlling 303；
Film/crystal static state MPPT unit of testing and controlling 303 respectively with CV mode dc power supply 2011, PV mode dc
Power supply 2012, AC power supply module 202 and photovoltaic inversion acquisition control unit 302 connect；
The out-put supply parameter 2011 of the control CV mode dc power supply of film/crystal static state MPPT unit of testing and controlling 303,
Out-put supply parameter, the out-put supply parameter of AC power supply module 202 of PV mode dc power supply 2012, and it is inverse to be sent to photovoltaic
Become the operation that acquisition control unit 302 executes step (2-1)-step (2-7).
Specifically, 303 testing procedure of film/crystal static state MPPT unit of testing and controlling is；
It is UMPP (MPPT voltage), IMPP (MPPT electric current), UOC (overvoltage), ISC that DC power supply, which is arranged, in step (3-1)
(short circuit current).
Step (3-2) carries out third delay and waits；
It is above-mentioned, specific 0≤third delay waiting≤5min
Step (3-3) is by T3The voltage of period, electric current, power, efficiency are sent to data acquisition module 400；
It is above-mentioned, 3min≤T3≤10min。
Step (3-4) judges whether all PMPP and UMPP measuring points are completed, if do not complete if return step (3-1) continue into
Row test operation；
When judging whether all PMPP and UMPP measuring points are completed, data acquisition module 400 sends data to test control
The film/crystal static state MPPT unit of testing and controlling 303 of molding block 300 is fed back, and is such as needed to carry out film/crystalline substance according to standard
Body static state MPPT test test, when needing to test 3 voltage sections, each voltage breaks as 10 power points 10%, 20%, 30%~
100%.The method of judgement is exactly cyclic query, will continue to run test point if having chosen test point and not passed through circulation.Such as
All test points of fruit, which have all been circulated throughout, have been completed at all power measuring points at this time at report, are illustrated.All voltages
The detection mode of measuring point is consistent with the judgment mode that all power points detect, based on known in one of ordinary skilled in the art
Common sense, specific detecting step just repeat no more.
Step (3-5) enters step the operation of (2-1)-step (2-7).
By be arranged film/crystal static state MPPT unit of testing and controlling be able to carry out film crystal silicon static state MPPT test, into
One step improves the range of test.
Embodiment 3.
A kind of converter automatic test system, other structures are identical as embodiment 1 or 2, the difference is that, testing and control
Module 300 is additionally provided with photovoltaic DC-to-AC converter stress_responsive genes control unit 304；Photovoltaic inversion acquisition control unit 302 is respectively and directly
Galvanic electricity source module 201, AC power supply module 202 and data acquisition module 400 connect；
Specifically, photovoltaic DC-to-AC converter stress_responsive genes control unit 304 controls the power supply output parameter of DC power supplier 201
And AC power supply module 202 output parameter and be sent to data acquisition module 400.
Specifically, the rate-determining steps of photovoltaic DC-to-AC converter stress_responsive genes control unit 304 specifically:
DC power supply CV mode is arranged in step (4-1)；
The voltage of step (4-2) setting AC power source is V4, frequency is F4 and phase is Φ 4；
Specifically, above-mentioned, 0V≤V4≤300V；45Hz≤F4≤65Hz；0≤Φ4≤360°.
Step (4-3) judges whether DC power supply is PV mode, is set if PV mode then enters step (4-3-1)
It sets, if not it is that PV mode then enters step (4-3-2)
Step (4-3-1) setting setting DC power supply is UMPP, IMPP, UOC, ISC
The voltage that DC power supply is arranged in step (4-3-2) is V(4-3-2)；
When practical operation, the direct current power source voltage of setting is configured according to the operating parameter of practical tested device, tool
Common knowledge of the body set-up mode based on those of ordinary skill in the art, particularly as repeating no more.
Step (4-4) is arranged energy accumulation current converter and exchanges side power as P friendship；
Step (4-5) carries out S4 delay and waits；Specifically, 0min≤S4≤5min.
Step (4-6) is by T4The voltage of period, electric current, power, efficiency are sent to specifically, data acquisition module 400；
Specifically, 3min≤T4≤10min.
Step (4-6) judges whether all power measuring points are completed, and enters step (4-4) if not completing；
Step (4-7) is specifically, data acquisition module 400 generates data report.
- 1500kW≤P friendship≤1500kW.
The test that photovoltaic DC-to-AC converter harmonic wave is increased by the way that photovoltaic DC-to-AC converter stress_responsive genes control unit is arranged, further mentions
The efficiency of high test reduces cost of labor, simplifies the cumbersome of test job.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can with modification or equivalent replacement of the technical solution of the present invention are made, without departing from technical solution of the present invention essence and
Range.
Claims (10)
1. a kind of converter automatic test system, it is characterised in that: be provided with testing control module, for providing to tested device
The power supply module and data acquisition module of power supply,
The testing control module is connect with the power supply module, the output end of the data acquisition module and the test
The input terminal of control module connects；
Converter automatic test system specific work steps is；
S1: the testing control module exports power supply parameter information to the power supply module；
S2: the power supply module provides power supply to tested device according to power supply parameter information；
S3: the parameter of the exchange end of tested device described in the data collecting module collected and DC terminal simultaneously generates report；
S4: collected tested device is exchanged the parameter information of end and DC terminal as feedback information by the data acquisition module
It is delivered to the testing control module；
S5: whether the testing control module judges the data acquisition module according to the feedback information of the data acquisition module
It is omitted in the presence of acquisition；It omits if it exists, then enters step S6, omit if it does not exist, then improve step S7；
S6: testing control module output requires supplementation with the power supply parameter information of test to the power supply module；It returns
Step S2；
S7: test terminates.
2. converter automatic test system according to claim 1, it is characterised in that: the power supply module is provided with
DC power supplier, AC power supply module；
The DC power supplier is connect with the testing control module, the tested device respectively, the AC power supply module
It is connect respectively with the testing control module, the testing control module；
Corresponding power supply is applied to described tested by the DC power supplier according to the control command of the testing control module
Corresponding power supply is applied to described tested by device, the AC power supply module according to the control command of the testing control module
Device.
3. converter automatic test system according to claim 2, it is characterised in that:
The testing control module is provided with energy accumulation current converter efficiency acquisition control unit and photovoltaic inversion acquisition control unit；
The energy accumulation current converter efficiency acquisition control unit respectively with the DC power supplier, the AC power supply module, institute
State tested device and the data acquisition module connection, the photovoltaic inversion acquisition control unit respectively with the DC power supply
Module, the AC power supply module, the tested device and data acquisition module connection；
The energy accumulation current converter efficiency acquisition control unit controls out-put supply parameter and the institute of the DC power supplier respectively
State the out-put supply parameter of AC power supply module；
The out-put supply parameter that the photovoltaic inversion acquisition control unit controls the DC power supplier respectively is exchanged with described
The out-put supply parameter of power module；
The collected information of institute is fed back to the energy accumulation current converter efficiency acquisition control unit by the data acquisition module respectively
And the photovoltaic inversion acquisition control unit.
4. converter automatic test system according to claim 3, it is characterised in that:
The DC power supplier is provided with CV mode dc power supply, PV mode dc power supply；
The CV mode dc power supply respectively with the tested device, the energy accumulation current converter efficiency acquisition control unit and institute
State the connection of photovoltaic inversion acquisition control unit；
The PV mode dc power supply respectively with the tested device, the energy accumulation current converter efficiency acquisition control unit and institute
State the connection of photovoltaic inversion acquisition control unit；
The CV mode dc power supply is acquired according to the energy accumulation current converter efficiency acquisition control unit and the photovoltaic inversion
The control command of control unit provides power supply for the tested device；
The PV mode dc power supply is acquired according to the energy accumulation current converter efficiency acquisition control unit and the photovoltaic inversion
The control command of control unit provides power supply for the tested device.
5. converter automatic test system according to claim 4, it is characterised in that:
The specific rate-determining steps of energy accumulation current converter efficiency acquisition control unit are；
It is CV mode that DC power supply, which is arranged, in step (1-1)；
Step (1-2) sets gradually that the voltage of AC power source is V1, frequency F1, phase are Φ 1；
The voltage that DC power supply is arranged in step (1-3) is V(1-3)；
The power supply X power that tested device is energy accumulation current converter is arranged in step (1-4)；
Step (1-5) carries out delay and waits S1；
The data of T1 period are sent to the data acquisition module by step (1-6) control；
Step (1-7) judges whether all power measuring points are completed, if not completing return step (1-4) circulate operation；
Step (1-8) judges whether all voltage measuring points are completed, if not completing return step (1-3) circulate operation；
Step (1-9) data acquisition module generates data report.
6. converter automatic test system according to claim 5, it is characterised in that:
The energy accumulation current converter efficiency acquisition control unit is for the test of energy accumulation current converter rectification efficiency, energy accumulation current converter inversion effect
Rate test, energy accumulation current converter stress_responsive genes.
7. converter automatic test system according to claim 6, it is characterised in that:
The photovoltaic inversion acquisition control unit specifically controls testing procedure；
It is PV mode that DC power supply, which is arranged, in step (2-1)；
Step (2-2) sets gradually that the voltage in alternating current source is V2, frequency is F2 and phase is Φ 2；
Step (2-3) carries out film assembly static state MPPT test；
Step (2-4) carries out crystal silicon component static state MPPT test
Step (2-5) generates A1Report；
Step (2-6) carries out dynamic MPPT test；
Step (2-7) data acquisition module generates data report.
8. converter automatic test system according to claim 7, it is characterised in that:
The testing control module is additionally provided with film/crystal static state MPPT unit of testing and controlling；
The film/crystal static state MPPT unit of testing and controlling respectively with the CV mode dc power supply, the PV mode dc
Power supply, the AC power supply module and photovoltaic inversion acquisition control unit connection；
The film/crystal static state MPPT unit of testing and controlling controls the out-put supply parameter of the CV mode dc power supply, institute
The out-put supply parameter of PV mode dc power supply, the out-put supply parameter of the AC power supply module are stated, and is sent to the light
Lie prostrate the operation that inversion acquisition control unit executes step (2-1)-step (2-7).
9. converter automatic test system according to claim 8, it is characterised in that:
The film/crystal static state MPPT unit of testing and controlling testing procedure is；
It is UMPP, IMPP, UOC, ISC that DC power supply, which is arranged, in step (3-1)；
Step (3-2) carries out third delay and waits；
Step (3-3) is by T3The voltage of period, electric current, power, efficiency are sent to the data acquisition module；
Step (3-4) judges whether all PMPP and UMPP measuring points are completed, and return step (3-1) continues to survey if not completing
Examination operation；
Step (3-5) enters step the operation of (2-1)-step (2-7)；
The testing control module is additionally provided with photovoltaic DC-to-AC converter stress_responsive genes control unit；
The photovoltaic inversion acquisition control unit respectively with the DC power supplier, the AC power supply module and the number
It is connected according to acquisition module；
The photovoltaic DC-to-AC converter stress_responsive genes control unit controls the power supply output parameter of the DC power supplier and described
The output parameter of AC power supply module is simultaneously sent to the data acquisition module.
The rate-determining steps of the photovoltaic DC-to-AC converter stress_responsive genes control unit are specially；
DC power supply CV mode is arranged in step (4-1)；
The voltage of step (4-2) setting AC power source is V4, frequency is F4 and phase is Φ 4；
Step (4-3) judges whether DC power supply is PV mode, is configured if PV mode then enters step (4-3-1), if
Non- is that PV mode then enters step (4-3-2)
Step (4-3-1) setting setting DC power supply is UMPP, IMPP, UOC, ISC
The voltage that DC power supply is arranged in step (4-3-2) is V(4-3-2)；
Step (4-4) is arranged energy accumulation current converter and exchanges the friendship of side power P；
Step (4-5) carries out S4 delay and waits；
Step (4-6) is by T4The voltage of period, electric current, power, efficiency are sent to the data acquisition module；
Step (4-6) judges whether all power measuring points are completed, and enters step (4-4) if not completing；
Step (4-7) data acquisition module generates data report.
10. converter automatic test system according to claim 9, it is characterised in that:
When the energy accumulation current converter efficiency acquisition control unit is tested for energy accumulation current converter rectification efficiency, the step (1-4)
The DC side power that tested device is energy accumulation current converter is set；
The energy accumulation current converter efficiency acquisition control unit is surveyed for the test of energy accumulation current converter inversion efficiency, energy accumulation current converter harmonic wave
When examination, step (1-4) the setting tested device is the exchange side power of energy accumulation current converter；
0V≤V1≤300V；45Hz≤F1≤65Hz；0≤Φ1≤360°；
0V≤V(4-3-2)≤360V；0V≤V(1-3)≤360V；
0min≤S1≤5min；3min≤T1≤10min；
0V≤V2≤300V；45Hz≤F2≤65Hz；0≤Φ2≤360°；
0≤third delay waiting≤5min；
3min≤T3≤10min；
0V≤V4≤300V；45Hz≤F4≤65Hz；0≤Φ4≤360°；
0min≤S4≤5min；3min≤T4≤10min；
The A of the step (2-5)1Report includes: static MPPT report, transfer efficiency report, weighting efficiency report one kind or or more
Kind；
The data acquisition module is set as WT3000, -1500kW≤P friendship≤1500kW.
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| CN111208365A (en) * | 2020-01-06 | 2020-05-29 | 平高集团有限公司 | PCS test system |
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