CN105262440A - Mobile distributed photovoltaic power generation integrated test platform - Google Patents
Mobile distributed photovoltaic power generation integrated test platform Download PDFInfo
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- CN105262440A CN105262440A CN201510829138.7A CN201510829138A CN105262440A CN 105262440 A CN105262440 A CN 105262440A CN 201510829138 A CN201510829138 A CN 201510829138A CN 105262440 A CN105262440 A CN 105262440A
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The invention discloses a mobile distributed photovoltaic power generation integrated test platform, including a cabinet body, a photovoltaic battery panel, a simulation platform and a storage battery, wherein the photovoltaic battery panel is arranged over the cabinet body, and converts the light energy into the direct current through the photovoltaic effect so as to provide energy for the simulation platform and the storage battery; the simulation platform is arranged inside the cabinet body, and the storage battery is arranged on the bottom of the cabinet; the simulation platform includes a bidirectional intelligent metering box, a simulation load, an inverter and a switch set, wherein the inverter is connected with the photovoltaic battery panel and converts the direct current to the alternating current for the use of the simulation load and a spot light load, the simulation load is connected to a simulation photovoltaic battery panel, and the inverter is connected to the bidirectional intelligent metering box through an inverter off-grid switch or an inverter on-grid switch so as to realize the private use and common use of the photovoltaic power generation. According to the invention, the accurate measurement of the on-grid and off-grid electric quantity, the prevention of the on-grid inverse power transmission and the clear on-grid breaking point can be realized, voltage-loss tripping during the maintenance and repair of lines is ensured, and the safety of the maintenance staff can be ensured.
Description
Technical field
The present invention relates to a kind of movable distributive photovoltaic generation comprehensive test platform.
Background technology
Along with the dynamics of national energy-saving reduction of discharging and environmental improvement is increasing, country advocates energetically and promotes new forms of energy project, particularly small distributed solar energy project.Start to apply for that the resident of the grid-connected project of distributed photovoltaic and small-sized industry and commerce client also get more and more.Wherein, there is application to generate power for their own use, have application to generate power for their own use remaining electricity online, also to have all personal.According to the grid-connected demand of the difference of client, accelerate distributed photovoltaic power generation project and net spee, actively solve the masses' not understanding and mistaken ideas in distributed photovoltaic power generation.For client completes grid-connected service within the flow process time limit.Become a difficult problem of pendulum in face of electric company customer manager.
1, distributed photovoltaic power generation project has certain requirement to equipment fabricating yard, or ground or roof or the water surface, therefore possess the inhabitant distribution formula photovoltaic generation project polydispersion of mounting condition in the villages and towns in rural areas in each county (district), business area under one's jurisdiction expands to each electric company of county.Solar power generation also belongs to Newly Sprouted Things in rural area, although solar power generation has been extended to vast rural area by solar components enterprise, the demo system that dealer makes is simple, cannot meet the masses and get information about.Vast rural residents also also exists solar power generation not to be understood and various doubt.
2, distributed photovoltaic power generation Mobile exhibiting, test, this project of operating system platform are exactly the difference according to customer selecting distributed photovoltaic power generation network access, existing all patterns are integrated, develop and a set ofly meet each network access style, company's each specialty of marketing can be widely used in and carry out professional training, demonstration displaying, quantitative study, pilot development, research and innovation distributed photovoltaic generation project simulation operating system device.
Based on above-mentioned consideration, exploitation, development distributed photovoltaic power generation Mobile exhibiting operating platform become current urgent problem.
Summary of the invention
The present invention is in order to solve the problem, propose a kind of movable distributive photovoltaic generation comprehensive test platform, this device can realize off line electric quantity metering accurately, prevent grid-connected fall power transmission, to guarantee and there is obvious cut-off point site, accomplish that decompression trips when ensureing line maintenance, ensure the safety of maintainer, and the present invention has been provided with movable pulley can facilitate movement, professional training, demonstration displaying, quantitative study, pilot development and research and innovation thought are conducive to.
To achieve these goals, the present invention adopts following technical scheme:
A kind of movable distributive photovoltaic generation comprehensive test platform, comprise cabinet, photovoltaic battery panel, analog platform and storage battery, wherein, described photovoltaic battery panel is arranged at cabinet top, by photovoltaic effect, transform light energy is become direct current, for analog platform and storage battery provide energy, cabinet inside is provided with analog platform, and storage battery is arranged at cabinet bottom;
Described analog platform comprises Bidirectional intelligent batch meter, simulation load, inverter and switches set, wherein, inverter connects photovoltaic battery panel, direct current is converted to alternating current, for simulation load, shot-light load, simulation load connecting analog photovoltaic battery panel, inverter from net switch or grid-connected inverters switch access Bidirectional intelligent batch meter, realizes photovoltaic generation personal and grid-connected through inverter.
Described Bidirectional intelligent batch meter, comprise energy output metering electric energy meter, concentrator, critical point electric energy meter, load side switch, no-voltage trip switch and civil power side tool lock, wherein, energy output metering electric energy meter is connected inverter from net switch with grid-connected inverters switch by inverter, energy output metering electric energy meter is by load side switch connecting analog load side, energy output metering electric energy meter is all connected concentrator with critical point electric energy meter, and critical point electric energy meter is by the grid-connected switch of no-voltage trip switch, civil power side tool lock connecting valve group.
Described switches set comprises master control switch, the simulation of master control switch control rule load branch circuit, grid-connected branch road and the grid-connected branch road of civil power, and wherein, simulation load branch circuit is provided with analog light source switch, simulation load branch circuit connecting analog light source; Described grid-connected branch road connects critical point electric energy meter, and grid-connected branch road is provided with grid-connected switch; The grid-connected branch road of described civil power connects shot-light load, and the grid-connected branch road of civil power is provided with the grid-connected switch of civil power.
Described inverter connects storage battery by battery switch.
Described shot-light load connects energy output metering electric energy meter by generation load switch.
Further, described displaying experimental system comprises Three models: all personal pattern, generate power for their own use remaining electric online pattern and patterns of all surfing the Net, wherein, all personal pattern is that solar photovoltaic cell panel generating is converted to 220V alternating current for shot-light load by inverter, providing auxiliary power is stored to storage battery, and complete and civil power departs from; Remaining electric online pattern of generating power for their own use is that solar photovoltaic cell panel generating is converted to 220kV alternating current for shot-light load by inverter, providing auxiliary power grid integration civil power 220V system; Whole online pattern is that solar photovoltaic cell panel generating is converted to 220kV alternating current direct grid integration 220V system by inverter.
Described system is that when all using by oneself pattern, photovoltaic cell switching plate closes, and inverter closes from net switch, and Generation Side switch closes, and load side switch merges, and the merging of generation load switch, shot-light load is bright.
Described system for generate power for their own use remaining electric online pattern time, photovoltaic cell switching plate closes, and grid-connected inverters switch closes, Generation Side switch closes, and load side switch closes, and generation load switch closes, shot-light load is bright, and grid-connected switch closes, closed civil power side tool lock and no-voltage trip switch.
When described system is whole online pattern, photovoltaic cell switching plate, grid-connected inverters switch, Generation Side switch, grid-connected switch, civil power side tool lock and no-voltage trip switch are closed.
Described cabinet lower end is provided with movable pulley.This comprehensive test platform can be moved easily, be convenient to teaching and simulated experiment.
Operation principle of the present invention is: as test platform, can carry out the training of photovoltaic generation Business Teaching, or carry out photovoltaic generating system experimental study.
1, teaching, training: all wiring removed, student understands according to oneself and carries out wiring, realizes that photovoltaic generation is generated power for their own use respectively, remaining electricity online of generating power for their own use, all to surf the Net, accomplish accurate-metering energy output, electricity volume simultaneously.Understand inverter operation principle, how to realize from net and grid-connected.
2, experimental study: (1) studies solar irradiance to the impact of photovoltaic battery panel power output, on the impact of inverter efficiency.By changing the mounting inclination angle of photovoltaic module, measuring the power output of photovoltaic module, finding local optimum embedding angle degree; By blocking certain one or a few solar panel, research occlusion effect is on the impact of photovoltaic battery panel.(2) test is launched to inverter, by adopting the inverter of different manufacturers, the conversion efficiency of research different manufacturers inverter when different capacity exports; By at inverter output end access stress_responsive genes instrument, study the harmonic problem in photovoltaic generation.(3) from net test, simulating grid accident, test no-voltage trip switch performance, ensures not occur the phenomenon of falling power transmission.(4) other tests, comprise accumulator cell charging and discharging research, the research of the design of batch meter electric energy meter, wiring and measurement problem.
Beneficial effect of the present invention is:
(1) be arranged in several for existing all elements on a dolly, short and sweet, volume is little, multiple functional, conveniently moving, is conducive to carrying out professional training, demonstration displaying, quantitative study, pilot development, research and innovation;
(2) in realization off line electric quantity metering accurately, prevent grid-connected fall power transmission, to guarantee and there is obvious cut-off point site, accomplish that decompression trip when ensureing line maintenance, the safety of guarantee maintainer;
(3) according to domestic low pressure photovoltaic generating system, various online pattern integrated, realize all surfing the Net, all use by oneself, the random switching of remaining electricity online of generating power for their own use, is conducive to the development promoting photovoltaic generation.
Accompanying drawing explanation
Fig. 1 is batch meter internal mechanism structural representation.
Fig. 2 is system platform complete layout.
Wherein, 1, photovoltaic battery panel; 2, photovoltaic battery panel is simulated; 3, analog light source; 4, civil power master control switch; 5, load is simulated; 6, analog light source switch; 7, grid-connected switch; 8, the grid-connected switch of civil power; 9, photovoltaic cell switching plate; 10, inverter; 11, Bidirectional intelligent batch meter; 12, generation load switch; 13, inverter is from net switch; 14, grid-connected inverters switch; 15, battery switch; 16, batteries; 17, energy output metering electric energy meter; 18, concentrator; 19, critical point electric energy meter; 20, Generation Side switch; 21, load side switch; 22, no-voltage trip switch; 23, civil power side tool lock.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, a kind of low pressure distributed photovoltaic power generation simulated operating system for Mobile exhibiting, test consists of the following components:
1, solar photovoltaic cell panel: comprise the fritter photovoltaic battery panel be installed on outdoor photovoltaic battery panel and analog platform.
2, from grid-connected one inverter: holy Xiang single-phase high frequency from net inverter.
3, batch meter: be provided with energy output electric energy meter and energy metering table in case, and the power information acquisition terminal be all connected with energy output electric energy meter and energy metering table.
4, switching device: comprise inverter from net switch, grid-connected inverters switch, the grid-connected switch of civil power, grid-connected switch, Generation Side switch, load side switch, no-voltage trip switch, civil power side tool lock, battery switch, civil power master switch, photovoltaic switch.
5, other: shot-light load, analog light source, simulation load, storage battery.
Be arranged in all sets of elements on stainless steel iron plate, and Operation system setting is become dolly, storage battery is positioned over trolley base, accomplishes to facilitate Mobile exhibiting.
As operating system platform, transform light energy is become direct current by photovoltaic effect by solar photovoltaic cell panel, interchange is converted to through inverter, through inverter from net switch or grid-connected inverters switch access batch meter, by Generation Side switch in batch meter, load side switch, no-voltage trip switch, civil power side tool lock and generation load side switch, the coordinating of grid-connected switch, realize photovoltaic generation personal and grid-connected.Analog light source switch, analog light source, low profile photovoltaic cell panel, the simplest small photovoltaic power generation system of simulation load structure in addition.
Total Three models implementation:
1, whole personal pattern: solar photovoltaic cell panel generating is converted to 220V alternating current for shot-light load by inverter, and providing auxiliary power is stored to storage battery, and complete and civil power departs from.
Demonstration step is: close 1 photovoltaic cell switching plate, close 13 inverters from net switch, close 20 Generation Side switches, close 21 load side switches, close 12 generation load switches, shot-light load is bright.
2, to generate power for their own use remaining electric online pattern: solar photovoltaic cell panel generating is converted to 220kV alternating current for shot-light load by inverter, providing auxiliary power grid integration civil power 220V system.
Demonstration step is: close 1 photovoltaic cell switching plate, close 13 grid-connected inverters switches, close 20 Generation Side switches, close 21 load side switches, close 12 generation load switches, shot-light load is bright, closes 7 grid-connected switches, closes 23 civil power side tool locks, close 22 no-voltage trip switches.
3, all to surf the Net pattern: solar photovoltaic cell panel generating is converted to 220kV alternating current direct grid integration 220V system by inverter.
Demonstration step: close 1 photovoltaic cell switching plate, close 13 grid-connected inverters switches, close 20 Generation Side switches, closes 7 grid-connected switches, closes 23 civil power side tool locks, close 22 no-voltage trip switches.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. a movable distributive photovoltaic generation comprehensive test platform, it is characterized in that: comprise cabinet, photovoltaic battery panel, analog platform and storage battery, wherein, described photovoltaic battery panel is arranged at cabinet top, by photovoltaic effect, transform light energy is become direct current, for analog platform and storage battery provide energy, cabinet inside is provided with analog platform, and storage battery is arranged at cabinet bottom;
Described analog platform comprises Bidirectional intelligent batch meter, simulation load, inverter and switches set, wherein, inverter connects photovoltaic battery panel, direct current is converted to alternating current, for simulation load, shot-light load, simulation load connecting analog photovoltaic battery panel, inverter from net switch or grid-connected inverters switch access Bidirectional intelligent batch meter, realizes photovoltaic generation personal and grid-connected through inverter.
2. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 1, it is characterized in that: described Bidirectional intelligent batch meter, comprise energy output metering electric energy meter, concentrator, critical point electric energy meter, load side switch, no-voltage trip switch and civil power side tool lock, wherein, energy output metering electric energy meter is connected inverter from net switch with grid-connected inverters switch by inverter, energy output metering electric energy meter is by load side switch connecting analog load side, energy output metering electric energy meter is all connected concentrator with critical point electric energy meter, critical point electric energy meter is by no-voltage trip switch, the grid-connected switch of civil power side tool lock connecting valve group.
3. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 1, it is characterized in that: described switches set comprises master control switch, the simulation of master control switch control rule load branch circuit, grid-connected branch road and the grid-connected branch road of civil power, wherein, simulation load branch circuit is provided with analog light source switch, simulation load branch circuit connecting analog light source; Described grid-connected branch road connects critical point electric energy meter, and grid-connected branch road is provided with grid-connected switch; The grid-connected branch road of described civil power connects shot-light load, and the grid-connected branch road of civil power is provided with the grid-connected switch of civil power.
4. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 1, is characterized in that: described inverter connects storage battery by battery switch.
5. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 1, is characterized in that: described shot-light load connects energy output metering electric energy meter by generation load switch.
6. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 3, it is characterized in that: comprise Three models: all personal pattern, generate power for their own use remaining electric online pattern and patterns of all surfing the Net, wherein, all personal pattern is that solar photovoltaic cell panel generating is converted to 220V alternating current for shot-light load by inverter, providing auxiliary power is stored to storage battery, and complete and civil power departs from; Remaining electric online pattern of generating power for their own use is that solar photovoltaic cell panel generating is converted to 220kV alternating current for shot-light load by inverter, providing auxiliary power grid integration civil power 220V system; Whole online pattern is that solar photovoltaic cell panel generating is converted to 220kV alternating current direct grid integration 220V system by inverter.
7. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 6, it is characterized in that: when described system is for whole personal pattern, photovoltaic cell switching plate closes, inverter closes from net switch, Generation Side switch closes, load side switch merges, and generation load switch merges, and shot-light load is bright.
8. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 6, it is characterized in that: described system for generate power for their own use remaining electric online pattern time, photovoltaic cell switching plate closes, grid-connected inverters switch closes, and Generation Side switch closes, and load side switch closes, generation load switch closes, shot-light load is bright, and grid-connected switch closes, closed civil power side tool lock and no-voltage trip switch.
9. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 6, it is characterized in that: when described system is whole online pattern, photovoltaic cell switching plate, grid-connected inverters switch, Generation Side switch, grid-connected switch, civil power side tool lock and no-voltage trip switch are closed.
10. a kind of movable distributive photovoltaic generation comprehensive test platform as claimed in claim 1, is characterized in that: described cabinet lower end is provided with movable pulley.
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| 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 |
| CN112290589A (en) * | 2020-10-19 | 2021-01-29 | 华翔翔能科技股份有限公司 | Micro-grid simulation platform integrated device |
| CN113437758A (en) * | 2021-06-25 | 2021-09-24 | 安徽海螺建材设计研究院有限责任公司 | Photovoltaic grid-connected system and metering method of cement plant |
| CN114564474A (en) * | 2022-04-28 | 2022-05-31 | 广东电网有限责任公司佛山供电局 | Photovoltaic standing book data automatic verification method and related device |
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| CN105262440B (en) | 2017-06-13 |
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