CN202975289U - Photovoltaic grid connected inverter automatic testing platform - Google Patents
Photovoltaic grid connected inverter automatic testing platform Download PDFInfo
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- CN202975289U CN202975289U CN2012206727088U CN201220672708U CN202975289U CN 202975289 U CN202975289 U CN 202975289U CN 2012206727088 U CN2012206727088 U CN 2012206727088U CN 201220672708 U CN201220672708 U CN 201220672708U CN 202975289 U CN202975289 U CN 202975289U
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000004088 simulation Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 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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Abstract
The utility model relates to a photovoltaic grid connected inverter automatic testing platform. The technical characteristics are that the platform includes two direct current simulation power supplies, two alternating current simulation power supplies, and a photovoltaic grid connected inverter automatic testing host computer. The testing host computer is connected with a direct current switch-gated cabinet via the two direct current simulation power supplies. The direct current switch-gated cabinet is connected with the direct current terminal of a photovoltaic grid connected inverter. The testing host computer is connected with an alternating current switch-gated cabinet via the two alternating current simulation power supplies. The alternating current switch-gated cabinet is connected with the alternating current terminal of the photovoltaic grid connected inverter via two simulation impedance networks. The testing host computer is connected with a power analyzer which is arranged on the two terminals of the photovoltaic grid connected inverter. The testing host computer is connected with a short circuit control cabinet via a simulation load. The two simulation impedance networks are connected with a data recorder. The photovoltaic grid connected inverter automatic testing platform has the advantages of comprehensive function, reasonable device configuration, convenient operation, and high measuring precision, thus having the important significance for the safety of public electrical network and user.
Description
Technical field
The utility model belongs to photovoltaic combining inverter field, the automatic test platform of especially a kind of photovoltaic combining inverter.
Background technology
Sun power is the eternal energy of the earth, along with the appearance of development in science and technology and energy crisis, utilizes the distributed energy resource system of sun power to receive increasing concern.The nice ideal of " sunlight is electric everywhere everywhere " is accompanied by at last people and realizes for the pursuit of green energy resource.Solar energy power generating is to utilize semi-conductive photovoltaic effect that solar radiant energy is directly changed into electric energy.Now, the mainstream applications mode of world's photovoltaic generating system is the parallel network power generation mode, be that photovoltaic system is connected with local electrical network by combining inverter, by electrical network, the photovoltaic system electricity can be reallocated, as supplying local load or carrying out power peak regulation etc.
Photovoltaic combining inverter is the direct current that solar cell is exported to be converted to meet the equipment that alternating current that electrical network requires is inputted electrical network again, is the core of grid-connected type photovoltaic system energy conversion and control.The performance of photovoltaic combining inverter is not only whether the whole photovoltaic parallel in system of impact can be stablized, safe, reliable, efficient the operation, is also to affect the whole system principal element in serviceable life simultaneously.Because photovoltaic generating system need to access electrical network; for guaranteeing utility network and user's safety; photovoltaic parallel in system should possess perfect safeguard measure, and therefore, the safety and stability that photovoltaic combining inverter access electrical network detects for electrical network has key effect.Existing photovoltaic combining inverter test need to manually be carried out the setting of each equipment in system, complicated operation, and have test error, the conclusion (of pressure testing) poor reliability that is caused by maloperation.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of reasonable in design, automatic test platform of photovoltaic combining inverter that test accuracy is high and simple to operation is provided.
The utility model solves its technical matters and takes following technical scheme to realize:
the automatic test platform of a kind of photovoltaic combining inverter, comprise two DC simulation power supplys in primary system, dc switch gating cabinet, two simulated impedance networks, two AC analogue power supplys, alternating-current switch gating cabinet, power analyzer in fictitious load and fault control cabinet and electrical secondary system, power quality analyzer, datalogger and photovoltaic combining inverter are from the dynamic test main frame, photovoltaic combining inverter is connected with dc switch gating cabinet by two DC simulation power supplys from the dynamic test main frame, the other end of this dc switch gating cabinet is connected with photovoltaic combining inverter DC terminal to be tested, should be connected with alternating-current switch gating cabinet by two AC analogue power supplys from the dynamic test main frame, the other end of this alternating-current switch gating cabinet is connected with the end that exchanges of photovoltaic combining inverter to be tested by two simulated impedance networks, this test main frame is connected with power analyzer, this power analyzer is arranged on the two ends of photovoltaic combining inverter, this test main frame is connected with fictitious load, this fictitious load is connected with the fault control cabinet, the two ends of two simulated impedance networks are connected with datalogger.
And, in described dc switch gating cabinet, alternating-current switch gating cabinet, fault control cabinet, two simulated impedance networks, the switching value integrated circuit board is installed.
And described photovoltaic combining inverter is connected with gpib interface by the RS232 interface respectively with two DC simulation power supplys from the dynamic test main frame; Described photovoltaic combining inverter is connected with gpib interface by the RS232 interface respectively with two AC analogue power supplys from the dynamic test main frame.
And described photovoltaic combining inverter is connected by the RS232 interface with power analyzer from the dynamic test main frame; Described photovoltaic combining inverter is connected with fictitious load from the dynamic test main frame and is connected by RS232 interface or RS485 interface.
Advantage of the present utility model and good effect are:
The utility model provides unified experimental enviroment by building the automatic test platform of photovoltaic combining inverter for the photovoltaic DC-to-AC converter that accesses electrical network; carry out photovoltaic combining inverter electric performance test, defencive function test, electromagnetic compatibility test etc.; have that the configuration of perfect in shape and function, equipment is reasonable, easy to operate, measuring accuracy is high and the automaticity advantages of higher, significant for the safety that guarantees utility network and user.
Description of drawings
Fig. 1 is system of the present utility model connection diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
the automatic test platform of a kind of photovoltaic combining inverter, as shown in Figure 1, comprise two DC simulation power supplys in primary system, dc switch gating cabinet, two simulated impedance networks, two AC analogue power supplys, fictitious load, power analyzer in alternating-current switch gating cabinet and fault control cabinet and electrical secondary system, power quality analyzer, datalogger and photovoltaic combining inverter are from the dynamic test main frame, photovoltaic combining inverter is connected with an AC analogue power supply with a DC simulation power supply by the RS232 interface respectively from the dynamic test main frame, photovoltaic combining inverter is connected with another AC analogue power supply with another DC simulation power supply by gpib interface respectively from the dynamic test main frame, two DC simulation power supplys are connected to the dc switch gating cashier's office in a shop, the other end of this dc switch gating cabinet is connected with the DC terminal of photovoltaic combining inverter to be tested, two AC analogue power supplys are connected to the alternating-current switch gating cashier's office in a shop, the other end of this alternating-current switch gating cabinet is connected with the end that exchanges of photovoltaic combining inverter to be tested by two simulated impedance networks, photovoltaic combining inverter is connected with power analyzer by the RS232 interface from the dynamic test main frame, and this power analyzer is arranged on the two ends of photovoltaic combining inverter, photovoltaic combining inverter is connected with fictitious load by RS232 interface or RS485 interface from the dynamic test main frame, and this fictitious load is connected with the fault control cabinet, the two ends of two simulated impedance networks are connected with datalogger.In dc switch gating cabinet, alternating-current switch gating cabinet, fault control cabinet, two simulated impedance networks, the switching value integrated circuit board is installed all, above-mentioned switching value integrated circuit board adopts 32 railway digital I/O mouths (16 tunnel inputs, 16 tunnel outputs) to control respectively inductive switch is controlled and the reading of on off state.
The automatic test platform of this photovoltaic combining inverter and photovoltaic combining inverter to be tested link together, and are used for photovoltaic combining inverter electric performance test, defencive function test, electromagnetic compatibility test etc.Whole test platform can display platform major parameter and equipment working state, comprising: emulation AC power output voltage, electric current, meritorious and reactive power; The voltage that fictitious load consumes, electric current, meritorious and reactive power; The voltage of inverter output, electric current, quality of power supply situation, meritorious and reactive power, the actuation time of the protective devices such as and inverter mistake/under-voltage, overcurrent, anti-isolated island.Can detect the running status of whole test platform in addition, comprise whether circuit has voltage and current existence etc., for the operating personnel at scene provide safety guarantee.In the dynamic test main frame, monitoring software is installed at photovoltaic combining inverter, can carries out according to corresponding test specification the test of disparity items, test result preservation automatically, generating report forms or printing to the photovoltaic generation special inverter.
It is emphasized that; embodiment described in the utility model is illustrative; rather than determinate; therefore the utility model comprises and is not limited to the embodiment described in embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to equally the scope of the utility model protection.
Claims (4)
1. automatic test platform of photovoltaic combining inverter, it is characterized in that: comprise two DC simulation power supplys in primary system, dc switch gating cabinet, two simulated impedance networks, two AC analogue power supplys, alternating-current switch gating cabinet, power analyzer in fictitious load and fault control cabinet and electrical secondary system, power quality analyzer, datalogger and photovoltaic combining inverter are from the dynamic test main frame, photovoltaic combining inverter is connected with dc switch gating cabinet by two DC simulation power supplys from the dynamic test main frame, the other end of this dc switch gating cabinet is connected with photovoltaic combining inverter DC terminal to be tested, should be connected with alternating-current switch gating cabinet by two AC analogue power supplys from the dynamic test main frame, the other end of this alternating-current switch gating cabinet is connected with the end that exchanges of photovoltaic combining inverter to be tested by two simulated impedance networks, this test main frame is connected with power analyzer, this power analyzer is arranged on the two ends of photovoltaic combining inverter, this test main frame is connected with fictitious load, this fictitious load is connected with the fault control cabinet, the two ends of two simulated impedance networks are connected with datalogger.
2. the automatic test platform of photovoltaic combining inverter according to claim 1, is characterized in that: in described dc switch gating cabinet, alternating-current switch gating cabinet, fault control cabinet, two simulated impedance networks, the switching value integrated circuit board is installed.
3. the automatic test platform of photovoltaic combining inverter according to claim 1, it is characterized in that: described photovoltaic combining inverter is connected with gpib interface by the RS232 interface respectively with two DC simulation power supplys from the dynamic test main frame; Described photovoltaic combining inverter is connected with gpib interface by the RS232 interface respectively with two AC analogue power supplys from the dynamic test main frame.
4. the automatic test platform of photovoltaic combining inverter according to claim 1, it is characterized in that: described photovoltaic combining inverter is connected by the RS232 interface with power analyzer from the dynamic test main frame; Described photovoltaic combining inverter is connected with fictitious load from the dynamic test main frame and is connected by RS232 interface or RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012206727088U CN202975289U (en) | 2012-12-06 | 2012-12-06 | Photovoltaic grid connected inverter automatic testing platform |
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| CN2012206727088U CN202975289U (en) | 2012-12-06 | 2012-12-06 | Photovoltaic grid connected inverter automatic testing platform |
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| CN202975289U true CN202975289U (en) | 2013-06-05 |
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| CN2012206727088U Expired - Lifetime CN202975289U (en) | 2012-12-06 | 2012-12-06 | Photovoltaic grid connected inverter automatic testing platform |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427687A (en) * | 2013-08-21 | 2013-12-04 | 西安龙腾新能源科技发展有限公司 | Method for tracking maximum power point of photovoltaic inverter when constant-voltage source inputs voltages |
| CN103472325A (en) * | 2013-08-20 | 2013-12-25 | 国家电网公司 | Detection platform for independent wave energy and tidal current energy power generation system |
| CN103487702A (en) * | 2013-09-30 | 2014-01-01 | 国家电网公司 | Small-power movable micro-grid connection detecting system |
| CN104198954A (en) * | 2014-09-06 | 2014-12-10 | 广州三晶电气有限公司 | Testing communication cabinet for photovoltaic grid-connected inverter |
| CN104267357A (en) * | 2014-09-12 | 2015-01-07 | 中铝宁夏能源集团有限公司 | Movable outdoor inverter detection system |
| CN104849601A (en) * | 2015-06-01 | 2015-08-19 | 黑龙江省计量检定测试院 | Integrated measurement apparatus of photovoltaic power generation system |
| CN104880612A (en) * | 2015-05-28 | 2015-09-02 | 快特电波科技(苏州)有限公司 | Photovoltaic inverter electromagnetic compatibility test system and test method |
| CN106301212A (en) * | 2015-05-21 | 2017-01-04 | 泰通(泰州)工业有限公司 | A kind of exchange component power test apparatus and method |
| CN107037290A (en) * | 2017-05-04 | 2017-08-11 | 北京金风科创风电设备有限公司 | Testing method, device and system of grid-connected converter |
| CN107121591A (en) * | 2017-03-17 | 2017-09-01 | 合肥天舟光伏技术有限公司 | Photovoltaic generation Payload bearing power tester |
| CN108008253A (en) * | 2017-12-11 | 2018-05-08 | 艾乐德电子（南京）有限公司 | Simulating grid and online load testing system and device and its anti-isolated island test method |
| CN113189893A (en) * | 2021-04-09 | 2021-07-30 | 国网上海市电力公司 | Real-time simulation-based controller grid-connected test system and method |
-
2012
- 2012-12-06 CN CN2012206727088U patent/CN202975289U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472325B (en) * | 2013-08-20 | 2016-03-02 | 国家电网公司 | The detection platform of a kind of wave energy and marine tidal-current energy stand alone generating system |
| CN103472325A (en) * | 2013-08-20 | 2013-12-25 | 国家电网公司 | Detection platform for independent wave energy and tidal current energy power generation system |
| CN103427687A (en) * | 2013-08-21 | 2013-12-04 | 西安龙腾新能源科技发展有限公司 | Method for tracking maximum power point of photovoltaic inverter when constant-voltage source inputs voltages |
| CN103427687B (en) * | 2013-08-21 | 2015-08-19 | 西安龙腾新能源科技发展有限公司 | The maximum power tracking method of photovoltaic DC-to-AC converter when constant pressure source inputs |
| CN103487702A (en) * | 2013-09-30 | 2014-01-01 | 国家电网公司 | Small-power movable micro-grid connection detecting system |
| CN104198954A (en) * | 2014-09-06 | 2014-12-10 | 广州三晶电气有限公司 | Testing communication cabinet for photovoltaic grid-connected inverter |
| CN104267357A (en) * | 2014-09-12 | 2015-01-07 | 中铝宁夏能源集团有限公司 | Movable outdoor inverter detection system |
| CN106301212A (en) * | 2015-05-21 | 2017-01-04 | 泰通(泰州)工业有限公司 | A kind of exchange component power test apparatus and method |
| CN104880612A (en) * | 2015-05-28 | 2015-09-02 | 快特电波科技(苏州)有限公司 | Photovoltaic inverter electromagnetic compatibility test system and test method |
| CN104849601A (en) * | 2015-06-01 | 2015-08-19 | 黑龙江省计量检定测试院 | Integrated measurement apparatus of photovoltaic power generation system |
| CN107121591A (en) * | 2017-03-17 | 2017-09-01 | 合肥天舟光伏技术有限公司 | Photovoltaic generation Payload bearing power tester |
| CN107037290A (en) * | 2017-05-04 | 2017-08-11 | 北京金风科创风电设备有限公司 | Testing method, device and system of grid-connected converter |
| CN107037290B (en) * | 2017-05-04 | 2019-10-22 | 北京金风科创风电设备有限公司 | Testing method, device and system of grid-connected converter |
| CN108008253A (en) * | 2017-12-11 | 2018-05-08 | 艾乐德电子（南京）有限公司 | Simulating grid and online load testing system and device and its anti-isolated island test method |
| WO2019114537A1 (en) * | 2017-12-11 | 2019-06-20 | 艾乐德电子（南京）有限公司 | Power grid and grid load simulation testing system apparatus, and anti-islanding testing method thereof |
| CN113189893A (en) * | 2021-04-09 | 2021-07-30 | 国网上海市电力公司 | Real-time simulation-based controller grid-connected test system and method |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
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| CX01 | Expiry of patent term |