CN104020373A - Photovoltaic inverter outdoor test system - Google Patents
Photovoltaic inverter outdoor test system Download PDFInfo
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- CN104020373A CN104020373A CN201410232125.7A CN201410232125A CN104020373A CN 104020373 A CN104020373 A CN 104020373A CN 201410232125 A CN201410232125 A CN 201410232125A CN 104020373 A CN104020373 A CN 104020373A
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Abstract
The invention relates to a photovoltaic inverter outdoor test system, which is characterized by comprising a main transformer and an inverter test analysis unit, wherein the primary winding of the main transformer is connected with an AC bus and the secondary winding is connected with the power grid, the AC bus is connected with a first-section DC bus via a first test position, the first-section DC bus is connected with a first photovoltaic array, the above AC bus is also connected with a second-section DC bus via a second test position, and the second-section DC bus is respectively connected with a second photovoltaic array, a third photovoltaic array, a fourth photovoltaic array and a fifth photovoltaic array; and the data acquisition input end of the inverter test analysis unit is respectively connected with the first test position and the second test position. The photovoltaic inverter outdoor test system has the beneficial effects that outdoor certification test on inverters of different capacity models within the range of 0 to 500kWp can be realized, and outdoor comparison test can be carried out on two inverters of 10kWp capacity at the same time.
Description
Technical field
The present invention relates to a kind of photovoltaic DC-to-AC converter outdoor test system.
Background technology
Along with petering out of global natural resources, photovoltaic generation is of great significance alleviating day by day serious energy crisis and environmental problem tool.Photovoltaic power generation technology is the same with other renewable energy technologies, is one of important means solving energy crisis, is the following clean energy resource having superiority most, has inexhaustible development potentiality.Photovoltaic DC-to-AC converter is that the core power of photovoltaic generating system regulates device, and with high content of technology, request for utilization is also high.Europe and the U.S. are the rise regions in global photovoltaic market, have rich industrial foundation and advanced semiconductor technology, aspect circuit structure design, electric and auto-control Design, have very strong strength, and photovoltaic DC-to-AC converter technology is in rank first.At present, photovoltaic DC-to-AC converter market, the whole world is carved up by several large giants in the world substantially, SMA is that the whole world is also maximum photovoltaic DC-to-AC converter manufacturing enterprise the earliest, in German market occupation rate, reach more than 50%, account for 1/3rd of world market share, second is Fronius, and the first seven manufacturing enterprise of the whole world has captured nearly 70% the market share.
Chinese Enterprise is researched and developed photovoltaic DC-to-AC converter since the eighties in 20th century, has possessed up till now certain production scale and competitive power, but inverter technology quality, scale Shang Yu overseas enterprise still have larger gap.Mainly at the aspects such as conversion efficiency, structural manufacturing process, intelligent degree, stability and American-European advanced level, still have certain gap, especially in urgent need to be improved aspect automatic control algorithm and design technology, equipment stability margin is little.At present, photovoltaic DC-to-AC converter, before coming into the market, generally all needs authentication, and authentication mode generally adopts the method for testing in inside, laboratory, simulates inverter actual operating mode inverter is carried out to testing authentication.The shortcoming of laboratory build-in test is: the condition of laboratory simulation and inverter actual motion environmental difference are larger, even if having passed through laboratory, photovoltaic DC-to-AC converter detects authentication, but in actual moving process, be subject to the combined influence of complicated on-the-spot electromagnetic compatible environment and weather, environmental factor, equipment failure rate is high, to owner, brings certain economic loss.Therefore, photovoltaic industry in the urgent need to a kind of can be out of doors and net state under system and method for testing thereof that photovoltaic DC-to-AC converter is tested.
Summary of the invention
The object of this invention is to provide a kind of photovoltaic DC-to-AC converter outdoor test system, can realize the test to the outdoor performance of photovoltaic DC-to-AC converter.
A kind of photovoltaic DC-to-AC converter outdoor test system, its special feature is: comprise main-transformer, a winding of this main-transformer connects ac bus and its Secondary Winding gets access to grid, and this ac bus connects first paragraph DC bus by the first test bit, and this first paragraph DC bus connects the first photovoltaic array; Above-mentioned ac bus also connects second segment DC bus by the second test bit, and this second segment DC bus connects respectively the second photovoltaic array, the 3rd photovoltaic array, the 4th photovoltaic array and the 5th photovoltaic array; Also comprise inverter test analysis unit, the Data Collection input end of this inverter test analysis unit connects respectively the first test bit and the second test bit; In above-mentioned the first test bit and the second test bit, a photovoltaic DC-to-AC converter to be measured is at least installed;
Wherein the capacity of the first photovoltaic array is 10kWp, and the capacity of the second photovoltaic array is 50kWp, and the capacity of the 3rd photovoltaic array is 100kWp, and the capacity of the 4th photovoltaic array is 200kWp, and the capacity of the 5th photovoltaic array is 200kWp;
Wherein inverter test analysis unit comprises power analyzer and power quality analyzer, the input end of this power analyzer is connected with the output terminal of photovoltaic DC-to-AC converter to be measured respectively with the input end of power quality analyzer, and the output terminal of power analyzer is connected with the network switch by serial server respectively successively with the output terminal with power quality analyzer, and this serial server is also connected with small-sized weather station, printer and inverter detecting and analysing system server respectively.
Wherein the capacity of the first photovoltaic array is 10kWp, and this first photovoltaic array comprises 1 header box, and this header box connects with 2 group series windings respectively, and each group string power is 5kWp; Wherein the capacity of the second photovoltaic array is 50kWp, and this second photovoltaic array comprises 2 header boxs, and this header box connects with 5 group series windings respectively, and each group string power is 5kWp.
Wherein between first paragraph DC bus and the first photovoltaic array, be provided with switch, at second segment DC bus, be also provided with switch respectively and between the second photovoltaic array, the 3rd photovoltaic array, the 4th photovoltaic array and the 5th photovoltaic array.
Beneficial effect of the present invention is as follows: 1, can realize the outdoor authentication test to different capabilities model inverter within the scope of 0～500kWp; 2, can carry out outdoor contrast test to the inverter of two 10kWp capacity simultaneously; 3, can realize the test to photovoltaic DC-to-AC converter function: communication interface, soft start, automatic switching, operation stability etc.; 4, can realize the performance test to inverter: the test of transformation efficiency, the quality of power supply, power factor, generated energy, output voltage stabilization degree etc.; 5, can be in inverter test, realization is generated electricity by way of merging two or more grid systems; 6, can test inverter at actual power station correlated performance in service, for the alternative type of power plant construction and related scientific research, production unit is enhanced product performance that strong foundation is provided; For inverter manufacturer and user provide objective, accurate index.
Accompanying drawing explanation
Fig. 1 is the main wiring diagram of system of the present invention, the equal representation switch of K1, K2, K3, K4, K5, K6, K7, K8 and K9 in figure;
Fig. 2 is the logic theory block diagram of inverter test analysis unit in the present invention;
Fig. 3 is that the second photovoltaic array that in the present invention, capacity is 50kWp is to DC bus wiring diagram.
Embodiment
As shown in Figure 1, 2, 3, the present invention is a kind of photovoltaic DC-to-AC converter outdoor test system, comprise main-transformer, a winding of this main-transformer connects ac bus and its Secondary Winding gets access to grid, this ac bus connects first paragraph DC bus (i.e. 1 section of DC bus) by the first test bit (i.e. the 1st test bit), and this first paragraph DC bus connects the first photovoltaic array; Above-mentioned ac bus also connects second segment DC bus (i.e. 2 sections of DC buss) by the second test bit (i.e. the 2nd test bit), and this second segment DC bus connects respectively the second photovoltaic array, the 3rd photovoltaic array, the 4th photovoltaic array and the 5th photovoltaic array; Also comprise inverter test analysis unit, the Data Collection input end of this inverter test analysis unit connects respectively the first test bit and the second test bit; In above-mentioned the first test bit and the second test bit, a photovoltaic DC-to-AC converter to be measured is at least installed; Wherein the capacity of the first photovoltaic array is 10kWp, and the capacity of the second photovoltaic array is 50kWp, and the capacity of the 3rd photovoltaic array is 100kWp, and the capacity of the 4th photovoltaic array is 200kWp, and the capacity of the 5th photovoltaic array is 200kWp; Wherein inverter test analysis unit comprises power analyzer and power quality analyzer, the input end of this power analyzer is connected with the output terminal of photovoltaic DC-to-AC converter to be measured respectively with the input end of power quality analyzer, and the output terminal of power analyzer is connected with the network switch by serial server respectively successively with the output terminal with power quality analyzer, and this serial server is also connected with small-sized weather station, printer and inverter detecting and analysing system server respectively.
Wherein the capacity of the first photovoltaic array is 10kWp, and this first photovoltaic array comprises 1 header box, and this header box connects with 2 group series windings respectively, and each group string power is 5kWp; Wherein the capacity of the second photovoltaic array is 50kWp, and this second photovoltaic array comprises 2 header boxs, and this header box connects with 5 group series windings respectively, and each group string power is 5kWp.Between first paragraph DC bus and the first photovoltaic array, be provided with switch in addition, at second segment DC bus, be also provided with switch respectively and between the second photovoltaic array, the 3rd photovoltaic array, the 4th photovoltaic array and the 5th photovoltaic array.
Test macro of the present invention is mainly comprised of photovoltaic array unit, test cell net unit, and system main structure figure as shown in Figure 1.Wherein photovoltaic array unit has 5 photovoltaic arrays compositions, and 5 arrays are respectively 10kWp, 50kWp, 100kWp, 200kWp, 200kWp.10kWp array provides DC test power supply for 10kWp and following inverter, other four arrays, the switching by the switch on DC bus realizes and provides testing power supply to the inverter of the capacity such as 20kWp, 30kWp, 40kWp, 50kWp, 100kWp, 250kWp, 500kWp.
Test cell mainly completes the test analysis to inverter to be measured, by inverter to be measured, disconnector and inverter test analysis unit (system), formed, wherein inverter detecting and analysing system comprises weather data, power analyzer, power quality analyzer, serial server, the network switch, server, and system hardware structure schematic diagram as shown in Figure 2.Grid-connected cell mesh is comprised of ac bus, main-transformer and disconnector.Whole test macro, photovoltaic array is connected with inverter direct-flow side to be measured by DC bus side switch, and inverter AC to be measured, by switch incoming transport bus, accesses electrical network and connects after main-transformer boosts, and realizes online generating in test.
The feature of 50kWp array is that the header box of access is 2, and the max cap. of each header box is 25kWp, comprises 5 group strings, and each group string power is 5kWp, between each group string and DC master row, has fuse, and its structural drawing as shown in Figure 3.The feature of 100kWp array is that the header box of access is 4, and the max cap. of each header box is 25kWp; The feature of 200kWp array is that the header box of access is 8, and the max cap. of each header box is 25kWp; The feature of 10kWp array is that the header box of access is 1, and each header box comprises 2 group strings, and each group string power is 5kWp.
The transformation ratio of main-transformer is 0.27/0.38/10kV, and high-pressure side is connected with 10kV electrical network.
Power analyzer in inverter detecting and analysing system is connected with serial server by R232 interface with power quality analyzer, then by the network switch by surveyed data upload to inverter detecting and analysing system server.Small-sized weather station, printer are connected with inverter detecting and analysing system server by the network switch.The local solar irradiance of small-sized weather station Real-time Collection, temperature, humidity, wind speed, wind direction.All test datas all store in inverter detecting and analysing system server.
Inverter detecting and analysing system server is stored, is analyzed the service data of tested inverter.Analysis software is housed in server, the data that collect is unified to process, and can carry out inverter performance judgment.
The present invention can realize different series inverter within the scope of 0～500kWp is carried out to outdoor test, and its method of testing is as follows:
1) capacity is the test of 10kWp photovoltaic DC-to-AC converter: the 1# test bit that inverter access to be measured and 10kWp photovoltaic array are joined.Start weather data, power analyzer, power quality analyzer.Closing Switch K1, K switch 6, K switch 8, K switch 9, start inverter successively, and the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
2) capacity is the test of 20kWp photovoltaic DC-to-AC converter: by inverter access 2# test bit to be measured, keep the interior all switches of this system at open position.Select any four group strings in the header box a in 50kWp photovoltaic array, the insurance of closing, disconnects the insurance of another one group string; Disconnect the outlet switch of header box b, the outlet switch of closed header box a.Start weather data, power analyzer, power quality analyzer.Closing Switch K2, K switch 7, K switch 8, K switch 9, start inverter successively, and the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
3) capacity is the test of 30kWp photovoltaic DC-to-AC converter: by inverter access 2# test bit to be measured, keep the interior all switches of this system at open position.The close fuse of 5 of header box a group strings of 50kWp array and the fuses of any group string of header box b, all the other fuses of header box b all disconnect, the outlet switch of closed header box b.Start weather data, power analyzer, power quality analyzer.Closing Switch K2, K switch 7, K switch 8, K switch 9, start inverter successively, and the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
4) capacity is the test of 40kWp photovoltaic DC-to-AC converter: by inverter access 2# test bit to be measured, keep the interior all switches of this system at open position.The close fuse of 5 of header box a group strings of 50kWp array and the fuses of any three group strings of header box b, all the other group string fuses of header box b disconnect.Start weather data, power analyzer, power quality analyzer.Closing Switch K2, K switch 7, K switch 8, K switch 9, start inverter successively, and the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
5) capacity is the test of 50kWp photovoltaic DC-to-AC converter: by inverter access 2# test bit to be measured, keep the interior all switches of this system at open position.The fuse of 10 group strings in two header boxs that the 50kWp photovoltaic array that closes connects, the outlet switch of closed header box a and header box b.Start weather data, power analyzer, power quality analyzer.Closing Switch K2, K switch 7, K switch 8, K switch 9, start inverter successively, and the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
6) capacity is the test of 100kWp photovoltaic DC-to-AC converter: by inverter access 2# test bit to be measured, keep the interior all switches of this system at open position.The fuse of the header box group string that is connected with 100kWp photovoltaic array closes.Start weather data, power analyzer, power quality analyzer.Closing Switch K3, K switch 7, K switch 8, K switch 9, start inverter successively, and the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
7) capacity is the test of 250kWp photovoltaic DC-to-AC converter: by inverter access 2# test bit to be measured, keep the interior all switches of this system at open position.Start weather data, power analyzer, power quality analyzer.K4, K switch 2, K switch 7, K switch 8, K switch 9 according to this close a switch.Start inverter, the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
8) capacity is the test of 500kWp photovoltaic DC-to-AC converter: by inverter access 2# test bit to be measured, keep the interior all switches of this system at open position.K3, K switch 4, K switch 5, K switch 7, K switch 8, K switch 9 according to this close a switch.Start weather data, power analyzer, power quality analyzer.Start inverter, the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
9) contrast test of two capacity 10kWp inverters: the inverter to be measured of two 10kWp is accessed respectively to 1#, 2# test bit, keep the interior all switches of this system at open position.The insurance of any two group strings of the header box a that 50kWp photovoltaic array is connected is closed, and disconnects the insurance of other three group strings; Disconnect the outlet switch of header box b, the outlet switch of closed header box a.K1, K switch 2, K switch 6, K switch 7, K switch 8, K switch 9 according to this close a switch.Start weather data, power analyzer, power quality analyzer.Start inverter, the collection of inverter detecting and analysing system is also recorded the parameters of inverter under actual operating state.
Claims (3)
1. a photovoltaic DC-to-AC converter outdoor test system, it is characterized in that: comprise main-transformer, a winding of this main-transformer connects ac bus and its Secondary Winding gets access to grid, and this ac bus connects first paragraph DC bus by the first test bit, and this first paragraph DC bus connects the first photovoltaic array; Above-mentioned ac bus also connects second segment DC bus by the second test bit, and this second segment DC bus connects respectively the second photovoltaic array, the 3rd photovoltaic array, the 4th photovoltaic array and the 5th photovoltaic array; Also comprise inverter test analysis unit, the Data Collection input end of this inverter test analysis unit connects respectively the first test bit and the second test bit; In above-mentioned the first test bit and the second test bit, a photovoltaic DC-to-AC converter to be measured is at least installed;
Wherein the capacity of the first photovoltaic array is 10kWp, and the capacity of the second photovoltaic array is 50kWp, and the capacity of the 3rd photovoltaic array is 100kWp, and the capacity of the 4th photovoltaic array is 200kWp, and the capacity of the 5th photovoltaic array is 200kWp;
Wherein inverter test analysis unit comprises power analyzer and power quality analyzer, the input end of this power analyzer is connected with the output terminal of photovoltaic DC-to-AC converter to be measured respectively with the input end of power quality analyzer, and the output terminal of power analyzer is connected with the network switch by serial server respectively successively with the output terminal with power quality analyzer, and this serial server is also connected with small-sized weather station, printer and inverter detecting and analysing system server respectively.
2. a kind of photovoltaic DC-to-AC converter outdoor test system as claimed in claim 1, it is characterized in that: wherein the capacity of the first photovoltaic array is 10kWp, this first photovoltaic array comprises 1 header box, and this header box connects with 2 group series windings respectively, and each group string power is 5kWp; Wherein the capacity of the second photovoltaic array is 50kWp, and this second photovoltaic array comprises 2 header boxs, and this header box connects with 5 group series windings respectively, and each group string power is 5kWp.
3. a kind of photovoltaic DC-to-AC converter outdoor test system as claimed in claim 1 or 2, it is characterized in that: wherein between first paragraph DC bus and the first photovoltaic array, be provided with switch, at second segment DC bus, be also provided with switch respectively and between the second photovoltaic array, the 3rd photovoltaic array, the 4th photovoltaic array and the 5th photovoltaic array.
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| CN201410232125.7A CN104020373A (en) | 2014-05-29 | 2014-05-29 | Photovoltaic inverter outdoor test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104765298A (en) * | 2015-03-30 | 2015-07-08 | 无锡清莲新能源科技有限公司 | Energy forecasting and intelligent maintaining system and maintaining method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752877A (en) * | 2010-01-15 | 2010-06-23 | 合肥工业大学 | Photovoltaic synchronization inverter with photovoltaic array IV test function and test method |
| CN203164330U (en) * | 2013-03-25 | 2013-08-28 | 国家电网公司 | AC-DC flexible configuration megawatt grade modularization inverter outdoor test platform |
| CN103605891A (en) * | 2013-11-25 | 2014-02-26 | 国家电网公司 | Method for evaluating outdoor running overall efficiency of photovoltaic grid-connected inverter |
-
2014
- 2014-05-29 CN CN201410232125.7A patent/CN104020373A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752877A (en) * | 2010-01-15 | 2010-06-23 | 合肥工业大学 | Photovoltaic synchronization inverter with photovoltaic array IV test function and test method |
| CN203164330U (en) * | 2013-03-25 | 2013-08-28 | 国家电网公司 | AC-DC flexible configuration megawatt grade modularization inverter outdoor test platform |
| CN103605891A (en) * | 2013-11-25 | 2014-02-26 | 国家电网公司 | Method for evaluating outdoor running overall efficiency of photovoltaic grid-connected inverter |
Non-Patent Citations (1)
| Title |
|---|
| 郭放 等: "光伏并网逆变器性能检测技术及智能检测平台系统研究", 《电力学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104765298A (en) * | 2015-03-30 | 2015-07-08 | 无锡清莲新能源科技有限公司 | Energy forecasting and intelligent maintaining system and maintaining method |
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Application publication date: 20140903 |