CN105305959A - Photovoltaic property intelligent detection system - Google Patents
Photovoltaic property intelligent detection system Download PDFInfo
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- CN105305959A CN105305959A CN201510772643.2A CN201510772643A CN105305959A CN 105305959 A CN105305959 A CN 105305959A CN 201510772643 A CN201510772643 A CN 201510772643A CN 105305959 A CN105305959 A CN 105305959A
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Abstract
The invention relates to a photovoltaic property intelligent detection system. At present, a photovoltaic property intelligent detection system capable of comprehensively assessing photovoltaic sites does not exist. The photovoltaic property intelligent detection system has the characteristics that a data processing analysis system is provided with an alternating-current data RS485 communication interface, a meteorological data RS485 communication interface and a direct-current data RS485 communication interface; a variable high-precision irradiation sensor and a fixed type high-precision irradiation sensor are both connected with the meteorological data RS485 communication interface; an alternating-current current intelligent collection unit and an alternating-current voltage intelligent collection unit are both connected with the alternating-current data RS485 communication interface; a module direct-current voltage intelligent collection module, a module direct-current current intelligent collection module, a group string direct-current voltage intelligent collection module, a group string direct-current current intelligent collection module, a combiner box direct-current voltage intelligent collection module and a combiner box direct-current current intelligent collection module are all connected with the direct-current data RS485 data interface. The photovoltaic property intelligent detection system is capable of comprehensively assessing photovoltaic sites.
Description
Technical field
The present invention relates to a kind of photovoltaic performance intelligent checking system, be mainly used in distributed photovoltaic system and power station type photovoltaic system.
Background technology
Flourish along with photovoltaic market, the quick growth of the market demand, a lot of manufacturer is not carried out prepare fully to expand production fast, as the problem of the aspects such as designed capacity, technology, equipment performance, personnel's technical ability, raw material quality, low-quality product will cause equipment operation failure, electric accident will occur, reduce the serious problems such as generating efficiency.Photovoltaic performance test can be carried out detection and analyze, discovering device defect as early as possible photovoltaic module, convergence system, inversion system, booster system, improves photovoltaic system generating efficiency and security reliability.
Photovoltaic performance detects and mainly comprises photovoltaic body power generation performance part and grid-connected performance section.Wherein grid-connected performance section mainly comprises electric energy quality test, power out-put characteristic test, meritorious and idle control performance test, voltage and frequency response performance test, low voltage crossing performance test, anti-island protect performance test etc.Photovoltaic body power generation part is mainly component efficiency test, group string uniformity test, inverter efficiency test, system effectiveness test, Insulation test etc.
The test at present stage photovoltaic scene and detection technique mainly rest on photovoltaic IV curve, electric energy quality test, inverter efficiency test, Insulation test etc., indirect calculation can only be passed through to system effectiveness, accurate site assessment cannot be carried out, if publication date is on 07 29th, 2015, publication number is in the Chinese patent of CN204517756U, disclose a kind of photovoltaic cell and photovoltaic module electric property detection device, this device mainly rests on electric energy quality test.Each part detection technique needs different testing equipments, and test site carries inconvenience, and data inputting workload is huge, is more unfavorable for live data analysis and network analysis.
In sum, also there is no a kind of reasonable in design at present, easy to use, comprehensive assessment can be carried out to photovoltaic scene, be convenient to the photovoltaic performance intelligent checking system of discovering device quality problems as early as possible, design and construction problem, system cloud gray model problem etc.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, easy to use, comprehensive assessment can be carried out to photovoltaic scene, be convenient to discovering device quality problems, design and construction problem, system cloud gray model problem etc. as early as possible, be conducive to the photovoltaic performance intelligent checking system improving photovoltaic project economics and security reliability.
The present invention's adopted technical scheme that solves the problem is: the design feature of this photovoltaic performance intelligent checking system is: comprise variable high accuracy irradiation sensor, fixed high accuracy irradiation sensor, alternating current intelligent data collecting unit, alternating voltage intelligent data collecting unit, Data Management Analysis system, assembly direct voltage intelligent acquisition module, assembly direct current intelligent acquisition module, group string direct voltage intelligent acquisition module, group string direct current intelligent acquisition module, header box direct voltage intelligent acquisition module and header box direct current intelligent acquisition module, described Data Management Analysis Operation system setting has power quality analysis module, power analysis module, exchange data RS485 communication interface, meteorological data RS485 communication interface, photovoltaic meter scale data communication interface and DC data RS485 data-interface, described variable high accuracy irradiation sensor is all connected with meteorological data RS485 communication interface with fixed high accuracy irradiation sensor, described alternating current intelligent data collecting unit and alternating voltage intelligent data collecting unit are all connected with interchange data RS485 communication interface, described assembly direct voltage intelligent acquisition module, assembly direct current intelligent acquisition module, group string direct voltage intelligent acquisition module, group string direct current intelligent acquisition module, header box direct voltage intelligent acquisition module is all connected with DC data RS485 data-interface with header box direct current intelligent acquisition module.
As preferably, photovoltaic performance intelligent checking system of the present invention also comprises photovoltaic measuring equipment, and described photovoltaic measuring equipment is connected with photovoltaic meter scale data communication interface.
As preferably, in assembly direct voltage intelligent acquisition module of the present invention, be provided with 10 road assembly direct voltage input structures, in described assembly direct current intelligent acquisition module, be provided with 10 road assembly direct current input structures.
As preferably, in of the present invention group of string direct voltage intelligent acquisition module, be provided with 2 tunnel group string direct voltage input structures, in described group of string direct current intelligent acquisition module, be provided with 2 tunnel group string direct current input structures.
As preferably, variable high accuracy irradiation sensor of the present invention for adjusting light angle, and by the illumination amplitude of different angles by RS485 twisted-pair communication delivers to meteorological data RS485 communication interface; The data of collection are directly delivered to meteorological data RS485 communication interface by described fixed high accuracy irradiation sensor on communicating, and Data Management Analysis system sends order to variable high accuracy irradiation sensor to adjust angle in time.
As preferably, alternating current intelligent data collecting unit of the present invention connects photovoltaic DC-to-AC converter AC instrument transformer by two groups of three-phase and four-line wires, described alternating voltage intelligent data collecting unit connects photovoltaic DC-to-AC converter AC voltage by two groups of three-phase and four-line wires, and real time data is carried out data processing and storage by RS485 delivering to Data Management Analysis system by described alternating current intelligent data collecting unit and alternating voltage intelligent data collecting unit.
As preferably, the present invention's each assembly direct voltage intelligent acquisition module and assembly direct current intelligent acquisition module all connect 10 road assemblies by 20 line conductors, and data are carried out data processing and storage by RS485 delivering to Data Management Analysis system by assembly direct voltage intelligent acquisition module and assembly direct current intelligent acquisition module.
As preferably, the present invention's each group of string direct voltage intelligent acquisition module and group string direct current intelligent acquisition module all connect 2 tunnels by 4 wires and to conflux group string, and data are carried out data reason and storage by RS485 delivering to Data Management Analysis system by group string direct voltage intelligent acquisition module and group string direct current intelligent acquisition module.
As preferably, the present invention's each header box direct voltage intelligent acquisition module and header box direct current intelligent acquisition module all by 2 wires connect 1 tunnel conflux group string, data are carried out data reason and storage by RS485 delivering to Data Management Analysis system by header box direct voltage intelligent acquisition module and header box direct current intelligent acquisition module.
As preferably, photovoltaic performance intelligent checking system of the present invention can input different project information, component parameter, inverter parameters and electric parameter, complete different angles irradiance Real-time Collection and accumulation calculating, assembly direct voltage and current parameters collection, group string direct voltage and current parameters collection, alternating voltage and current parameters collection, through calculating, obtain photovoltaic system power quality parameter, photovoltaic module IV curve, the current electric parameter of assembly and STC conversion parameter, inverter efficiency, photovoltaic system equivalence is actual utilizes hourage, photovoltaic system peak value actual hourage at sunshine, photovoltaic system Performance Ratio, the real-time generating efficiency important parameter of system, for carrying out comprehensive assessment to photovoltaic scene.
The present invention compared with prior art, has the following advantages and effect: (1) system both can realize the data acquisition of AC system, can complete direct current system data acquisition; (2) system can gather multi-channel DC data, comprises assembly, group string and convergence system; (3) structure is simple, reasonable in design, easy to use; (4) to calculate in real time and on-the-spot solar irradiance under accumulative different angle, and carry out data Storage and Processing, assess the light resources of project, the performance for photovoltaic system calculates and provides condition; (5) system has power quality analysis module, and function comprises the collection of electric current and voltage data precision, harmonic analysis, DC component, degree of unbalance, voltage fluctuation etc.; (6) system according to photovoltaic amplitude, photovoltaic DC system and inverter ac system, can calculate performance parameter and the efficiency of whole project; (7) system can according to inverter direct current collecting unit with exchange collecting unit calculate inverter efficiency; (8) system has senior application function, comprises project data typing, data preparation, data analysis, report generation, efficiency comparative and the function such as alarm, data remote.
Accompanying drawing explanation
Fig. 1 is the structural representation of photovoltaic performance intelligent checking system in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment.
See Fig. 1, the photovoltaic performance intelligent checking system in the present embodiment comprises variable high accuracy irradiation sensor 1, fixed high accuracy irradiation sensor 2, alternating current intelligent data collecting unit 3, alternating voltage intelligent data collecting unit 4, Data Management Analysis system 5, assembly direct voltage intelligent acquisition module 6, assembly direct current intelligent acquisition module 7, group string direct voltage intelligent acquisition module 8, group string direct current intelligent acquisition module 9, header box direct voltage intelligent acquisition module 10, header box direct current intelligent acquisition module 11 and photovoltaic measuring equipment 12.
Data Management Analysis system 5 in the present embodiment is provided with power quality analysis module 51, power analysis module 52, exchanges data RS485 communication interface 53, meteorological data RS485 communication interface 54, photovoltaic meter scale data communication interface 55 and DC data RS485 data-interface 56, variable high accuracy irradiation sensor 1 is all connected with meteorological data RS485 communication interface 54 with fixed high accuracy irradiation sensor 2, and alternating current intelligent data collecting unit 3 and alternating voltage intelligent data collecting unit 4 are all connected with interchange data RS485 communication interface 53.
Assembly direct voltage intelligent acquisition module 6 in the present embodiment, assembly direct current intelligent acquisition module 7, group string direct voltage intelligent acquisition module 8, group string direct current intelligent acquisition module 9, header box direct voltage intelligent acquisition module 10 are all connected with DC data RS485 data-interface 56 with header box direct current intelligent acquisition module 11, and photovoltaic measuring equipment 12 is connected with photovoltaic meter scale data communication interface 55.
Be provided with 10 road assembly direct voltage input structures in assembly direct voltage intelligent acquisition module 6 in the present embodiment, in assembly direct current intelligent acquisition module 7, be provided with 10 road assembly direct current input structures.
Be provided with 2 tunnel group string direct voltage input structures in group string direct voltage intelligent acquisition module 8 in the present embodiment, in group string direct current intelligent acquisition module 9, be provided with 2 tunnel group string direct current input structures.
Variable high accuracy irradiation sensor 1 in the present embodiment for adjusting light angle, and by the illumination amplitude of different angles by RS485 twisted-pair communication delivers to meteorological data RS485 communication interface 54; The data of collection are directly delivered to meteorological data RS485 communication interface 54 by fixed high accuracy irradiation sensor 2 on communicating, and Data Management Analysis system 5 sends order to variable high accuracy irradiation sensor 1 to adjust angle in time.
Alternating current intelligent data collecting unit 3 in the present embodiment connects photovoltaic DC-to-AC converter AC instrument transformer by two groups of three-phase and four-line wires, alternating voltage intelligent data collecting unit 4 connects photovoltaic DC-to-AC converter AC voltage by two groups of three-phase and four-line wires, and real time data is carried out data processing and storage by RS485 delivering to Data Management Analysis system 5 by alternating current intelligent data collecting unit 3 and alternating voltage intelligent data collecting unit 4.
Each assembly direct voltage intelligent acquisition module 6 in the present embodiment and assembly direct current intelligent acquisition module 7 all connect 10 road assemblies by 20 line conductors, and data are carried out data processing and storage by RS485 delivering to Data Management Analysis system 5 by assembly direct voltage intelligent acquisition module 6 and assembly direct current intelligent acquisition module 7.
Each group of string direct voltage intelligent acquisition module in the present embodiment 8 and group string direct current intelligent acquisition module 9 all connect 2 tunnels by 4 wires and to conflux group string, and data are carried out data reason and storage by RS485 delivering to Data Management Analysis system 5 by group string direct voltage intelligent acquisition module 8 and group string direct current intelligent acquisition module 9.
Each header box direct voltage intelligent acquisition module 10 in the present embodiment and header box direct current intelligent acquisition module 11 all by 2 wires connect 1 tunnel conflux group string, data are carried out data reason and storage by RS485 delivering to Data Management Analysis system 5 by header box direct voltage intelligent acquisition module 10 and header box direct current intelligent acquisition module 11.
Photometric data in the present embodiment is by twisted pair line connection, and direct voltage is connected by single core special purpose copper flexible conductor with current parameters, alternating voltage and current parameters, and acquisition module passes through private mask twisted pair line connection to Data Management Analysis system 5.
Photovoltaic performance intelligent checking system in the present embodiment can input different project information, component parameter, inverter parameters and electric parameter, complete different angles irradiance Real-time Collection and accumulation calculating, assembly direct voltage and current parameters collection, group string direct voltage and current parameters collection, alternating voltage and current parameters collection, through calculating, obtain photovoltaic system power quality parameter, photovoltaic module IV curve, the current electric parameter of assembly and STC conversion parameter, inverter efficiency, photovoltaic system equivalence is actual utilizes hourage, photovoltaic system peak value actual hourage at sunshine, photovoltaic system Performance Ratio, the real-time generating efficiency important parameter of system, for carrying out comprehensive assessment to photovoltaic scene.
Photovoltaic performance intelligent checking system in the present embodiment can input different project information, component parameter, inverter parameters and electric parameter etc., complete different angles irradiance Real-time Collection and accumulation calculating, assembly direct voltage and current parameters collection, group string direct voltage and current parameters collection, alternating voltage and current parameters collection, through calculating, obtain photovoltaic system power quality parameter, photovoltaic module IV curve, the current electric parameter of assembly and STC conversion parameter, inverter efficiency, photovoltaic system equivalence is actual utilizes hourage, photovoltaic system peak value actual hourage at sunshine, photovoltaic system Performance Ratio, the important parameters such as the real-time generating efficiency of system, comprehensive assessment can be carried out to system, discovering device quality problems as early as possible, design and construction problem, system cloud gray model problem etc., improve photovoltaic project economics and security reliability.
Photovoltaic performance intelligent checking system in the present embodiment can be calculated in real time by irradiation sensor and add up and add up intensity of illumination, the data acquisition also that direct voltage and current intelligent collecting unit form photovoltaic module electric parameter respectively, group goes here and there electric parameter and header box electric parameter is sent, exchange intelligent data collecting unit by the voltage and current of AC system is carried out to data acquisition and on deliver to processing center, processing center analysis quality of power supply situation goes forward side by side line number according to statistics and report generation.The equal configuration communication interface of each intelligent data collecting unit of system, can realize data multiplex send function.
In addition, it should be noted that, the specific embodiment described in this specification, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this specification is only to structure example of the present invention explanation.The equivalence change that structure, feature and the principle of all foundations described in inventional idea of the present invention are done or simple change, be included in the protection range of patent of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (10)
1. a photovoltaic performance intelligent checking system, is characterized in that: comprise variable high accuracy irradiation sensor (1), fixed high accuracy irradiation sensor (2), alternating current intelligent data collecting unit (3), alternating voltage intelligent data collecting unit (4), Data Management Analysis system (5), assembly direct voltage intelligent acquisition module (6), assembly direct current intelligent acquisition module (7), group string direct voltage intelligent acquisition module (8), group string direct current intelligent acquisition module (9), header box direct voltage intelligent acquisition module (10) and header box direct current intelligent acquisition module (11), described Data Management Analysis system (5) is provided with power quality analysis module (51), power analysis module (52), exchange data RS485 communication interface (53), meteorological data RS485 communication interface (54), photovoltaic meter scale data communication interface (55) and DC data RS485 data-interface (56), described variable high accuracy irradiation sensor (1) is all connected with meteorological data RS485 communication interface (54) with fixed high accuracy irradiation sensor (2), described alternating current intelligent data collecting unit (3) and alternating voltage intelligent data collecting unit (4) are all connected with interchange data RS485 communication interface (53), described assembly direct voltage intelligent acquisition module (6), assembly direct current intelligent acquisition module (7), group string direct voltage intelligent acquisition module (8), group string direct current intelligent acquisition module (9), header box direct voltage intelligent acquisition module (10) is all connected with DC data RS485 data-interface (56) with header box direct current intelligent acquisition module (11).
2. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: described photovoltaic performance intelligent checking system also comprises photovoltaic measuring equipment (12), described photovoltaic measuring equipment (12) is connected with photovoltaic meter scale data communication interface (55).
3. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: in described assembly direct voltage intelligent acquisition module (6), be provided with 10 road assembly direct voltage input structures, in described assembly direct current intelligent acquisition module (7), be provided with 10 road assembly direct current input structures.
4. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: in described group of string direct voltage intelligent acquisition module (8), be provided with 2 tunnel group string direct voltage input structures, in described group of string direct current intelligent acquisition module (9), be provided with 2 tunnel group string direct current input structures.
5. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: described variable high accuracy irradiation sensor (1) for adjusting light angle, and by the illumination amplitude of different angles by RS485 twisted-pair communication being delivered to meteorological data RS485 communication interface (54); The data of collection are directly delivered to meteorological data RS485 communication interface (54) by described fixed high accuracy irradiation sensor (2) on communicating, and Data Management Analysis system (5) sends order to variable high accuracy irradiation sensor (1) to adjust angle in time.
6. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: described alternating current intelligent data collecting unit (3) connects photovoltaic DC-to-AC converter AC instrument transformer by two groups of three-phase and four-line wires, described alternating voltage intelligent data collecting unit (4) connects photovoltaic DC-to-AC converter AC voltage by two groups of three-phase and four-line wires, and real time data is carried out data processing and storage by RS485 delivering to Data Management Analysis system (5) by described alternating current intelligent data collecting unit (3) and alternating voltage intelligent data collecting unit (4).
7. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: each assembly direct voltage intelligent acquisition module (6) and assembly direct current intelligent acquisition module (7) all connect 10 road assemblies by 20 line conductors, data are carried out data processing and storage by RS485 delivering to Data Management Analysis system (5) by assembly direct voltage intelligent acquisition module (6) and assembly direct current intelligent acquisition module (7).
8. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: each group of string direct voltage intelligent acquisition module (8) and group string direct current intelligent acquisition module (9) all by 4 wires connect 2 tunnels conflux group string, group string direct voltage intelligent acquisition module (8) and group go here and there direct current intelligent acquisition module (9) data are carried out data reason and storage by RS485 delivering to Data Management Analysis system (5).
9. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: each header box direct voltage intelligent acquisition module (10) and header box direct current intelligent acquisition module (11) all by 2 wires connect 1 tunnel conflux group string, data are carried out data reason and storage by RS485 delivering to Data Management Analysis system (5) by header box direct voltage intelligent acquisition module (10) and header box direct current intelligent acquisition module (11).
10. photovoltaic performance intelligent checking system according to claim 1, it is characterized in that: described photovoltaic performance intelligent checking system can input different project information, component parameter, inverter parameters and electric parameter, complete different angles irradiance Real-time Collection and accumulation calculating, assembly direct voltage and current parameters collection, group string direct voltage and current parameters collection, alternating voltage and current parameters collection, through calculating, obtain photovoltaic system power quality parameter, photovoltaic module IV curve, the current electric parameter of assembly and STC conversion parameter, inverter efficiency, photovoltaic system equivalence is actual utilizes hourage, photovoltaic system peak value actual hourage at sunshine, photovoltaic system Performance Ratio, the real-time generating efficiency important parameter of system, for carrying out comprehensive assessment to photovoltaic scene.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086856A (en) * | 2017-04-20 | 2017-08-22 | 华电电力科学研究院 | Experimental provision and computational methods that dust fall influences on generating efficiency |
| CN107765115A (en) * | 2017-09-15 | 2018-03-06 | 西藏自治区能源研究示范中心 | A kind of multi-functional photovoltaic platform data acquisition system |
| WO2023284290A1 (en) * | 2021-07-12 | 2023-01-19 | 中国华能集团清洁能源技术研究院有限公司 | Multi-dimensional tandem photovoltaic string data acquisition system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103997298A (en) * | 2014-05-28 | 2014-08-20 | 广州邦讯信息系统有限公司 | Monitoring data collecting terminal of photovoltaic power station and monitoring data system |
| CN104579166A (en) * | 2015-02-10 | 2015-04-29 | 河海大学常州校区 | Distributed photovoltaic power station monitoring system and fault diagnosis method thereof |
| US20150311862A1 (en) * | 2014-04-28 | 2015-10-29 | Lsis Co., Ltd. | Apparatus for monitoring leakage current of transformer-less photovoltaic inverter |
| CN205178980U (en) * | 2015-11-12 | 2016-04-20 | 华电电力科学研究院 | Photovoltaic performance intellectual detection system system |
-
2015
- 2015-11-12 CN CN201510772643.2A patent/CN105305959B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150311862A1 (en) * | 2014-04-28 | 2015-10-29 | Lsis Co., Ltd. | Apparatus for monitoring leakage current of transformer-less photovoltaic inverter |
| CN103997298A (en) * | 2014-05-28 | 2014-08-20 | 广州邦讯信息系统有限公司 | Monitoring data collecting terminal of photovoltaic power station and monitoring data system |
| CN104579166A (en) * | 2015-02-10 | 2015-04-29 | 河海大学常州校区 | Distributed photovoltaic power station monitoring system and fault diagnosis method thereof |
| CN205178980U (en) * | 2015-11-12 | 2016-04-20 | 华电电力科学研究院 | Photovoltaic performance intellectual detection system system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086856A (en) * | 2017-04-20 | 2017-08-22 | 华电电力科学研究院 | Experimental provision and computational methods that dust fall influences on generating efficiency |
| CN107086856B (en) * | 2017-04-20 | 2023-06-16 | 华电电力科学研究院有限公司 | Experimental device and calculation method for influence of dust fall on power generation efficiency |
| CN107765115A (en) * | 2017-09-15 | 2018-03-06 | 西藏自治区能源研究示范中心 | A kind of multi-functional photovoltaic platform data acquisition system |
| WO2023284290A1 (en) * | 2021-07-12 | 2023-01-19 | 中国华能集团清洁能源技术研究院有限公司 | Multi-dimensional tandem photovoltaic string data acquisition system and method |
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