CN104967405A - New energy power generation equipment testing system - Google Patents
New energy power generation equipment testing system Download PDFInfo
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- CN104967405A CN104967405A CN201510353578.XA CN201510353578A CN104967405A CN 104967405 A CN104967405 A CN 104967405A CN 201510353578 A CN201510353578 A CN 201510353578A CN 104967405 A CN104967405 A CN 104967405A
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- photovoltaic
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000010248 power generation Methods 0.000 title claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000011156 evaluation Methods 0.000 claims abstract description 8
- 230000002159 abnormal effect Effects 0.000 claims abstract description 5
- 238000004171 remote diagnosis Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 16
- 238000004146 energy storage Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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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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- Photovoltaic Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a new energy power generation equipment testing system, which comprises a photovoltaic power station monitoring system, a photovoltaic power station energy management system, a switch, and an electric energy quality analyzer connected in sequence via an Ethernet cable, and a power analyzer connected with a photovoltaic inverter detection working station via a serial port data line. Data related to the inverter can be transmitted to the photovoltaic inverter detection working station at a high speed and in real time, thereby realizing online inverter efficiency calculation and online maximal power tracking ability evaluation. The electric energy quality analyzer and the photovoltaic inverter detection working station are provided with interfaces into which a storage medium can be inserted, electric energy quality data recorded by the electric energy quality analyzer can be imported to the photovoltaic inverter detection working station for analysis by the means of a storage card, and guarantee is provided for electric energy quality analysis. The system is provided with a wireless remote debugging terminal in wireless communication with the photovoltaic inverter detection working station, and remote diagnosis and fault location can be carried out when the testing system is abnormal.
Description
Technical field
The present invention relates to a kind of generation of electricity by new energy equipment test system, belong to independent generation of electricity by new energy equipment and power station total quality, technical performance, Indexs measure and authentication means.
Background technology
Energy scarcity, ecological deterioration are day by day serious global problems.The mankind are for pursuing sustainable development, positive develop actively renewable energy technologies.Flourish new product needs to retrain to some extent quality, and the direct result that product certification omission causes occurs the product of inferior quality.While this photovoltaic industry accelerated development in several years, the phenomenon that photovoltaic products inferior is mixed the genuine with the fictitious has started to threaten industry reputation.The enterprise that part does not satisfy the requirements borrows theCourse of PV Industry opportunity, when consumer also do not possess distinguish product quality, by providing low price, inferior product, disrupt the market, consumer's interests are suffered damage, has had a strong impact on the sound development of industry.
Photovoltaic detects, certification depends on Artificial Control all the time, detects and reports and write length consuming time, and precision is difficult to ensure.Particularly owing to needing the product of test numerous, producer's queue time is longer, often misses business opportunity.The whole detection of photovoltaic plant, often need to use moving testing vehicle, trudge, the input of manpower and materials is very high, and testing cost is expensive.Applied Computer Techniques detects automatically, and particularly remote computer Automatic Measurement Technique becomes problem demanding prompt solution.
Summary of the invention
The present invention wants technical solution problem to be: overcome prior art shortcoming, propose a kind of generation of electricity by new energy equipment test system.
In order to solve the problems of the technologies described above, the technical scheme that the present invention proposes is:
A kind of generation of electricity by new energy equipment test system, is characterized in that comprising:
Photovoltaic power station monitoring system, gathers environment weather data, inverter electrical signal data;
Photovoltaic plant EMS, for managing the photovoltaic power generation equipment in power station and energy storage device, gathering the Monitoring Data of photovoltaic power station monitoring system and passing to photovoltaic DC-to-AC converter testing station by switch;
Power analyzer, for measuring alternating current, the alternating voltage of the direct current of inverter input side, direct voltage and outlet side, and sends to photovoltaic DC-to-AC converter testing station;
Power quality analyzer, for gathering alternating current and the alternating voltage of inverter outlet side, calculate power quality data and write readable media, so that by this readable media by data importing photovoltaic DC-to-AC converter testing station, power quality data at least includes: 2-25 subharmonic content, voltage flicker data, voltage collapse data;
Photovoltaic DC-to-AC converter testing station, for carrying out inverter efficiency at line computation, maximum power on-line tracing capability evaluation, power quality analysis.
The present invention also has following further feature:
1, environment weather data comprise: wind speed, wind direction, temperature, humidity, air pressure, irradiance; Inverter electrical signal data comprises: three-phase voltage, electric current, meritorious, idle, frequency, power factor.
2, this generation of electricity by new energy equipment test system also has the wireless remote debug terminal with photovoltaic DC-to-AC converter testing station wireless telecommunications, remote diagnosis when described wireless remote debug terminal is abnormal for pilot system and fault location.
3, described photovoltaic power station monitoring system, photovoltaic plant EMS, switch, power quality analyzer are linked in sequence by Ethernet netting twine successively.
4, photovoltaic DC-to-AC converter testing station, netting twine two ends between photovoltaic plant EMS and switch are the RJ-45 port of T568B line sequence connection, and between photovoltaic power station monitoring system and photovoltaic plant EMS, the two ends of netting twine are respectively the RJ-45 port adopting T568A line sequence connection and T568B line sequence connection.
5, be connected by serial ports RS-232 data wire between power analyzer with photovoltaic DC-to-AC converter testing station, serial ports RS-232 data wire adopts side DB9 needle-like port, opposite side DB9 pass port, wherein both sides port 2,3, No. 5 pin one_to_one corresponding.
6, described inverter efficiency calculates acquisition in line computation in real time by the data gathered in power analyzer; Described maximum power on-line tracing capability evaluation calculates acquisition in real time by collection environment weather data and inverter electrical signal data; Described power quality analysis is obtained by the power quality data calculated off-line imported.
Photovoltaic power station monitoring system, photovoltaic plant EMS, switch, power quality analyzer are linked in sequence by Ethernet netting twine by this pilot system successively, be connected by serial port data line between power analyzer with photovoltaic DC-to-AC converter testing station, the high speed realizing inverter related data is transmitted in real time, for inverter efficiency has laid hardware foundation in the realization of line computation, maximum power on-line tracing capability evaluation; Power quality analyzer and photovoltaic DC-to-AC converter testing station have the interface that can insert storage medium, the power quality data of power quality analyzer record can be imported photovoltaic DC-to-AC converter testing station by storage card to analyze, ensure for power quality analysis provides hardware; Native system is provided with the wireless remote debug terminal with photovoltaic DC-to-AC converter testing station wireless telecommunications, can carry out remote diagnosis and fault location when pilot system is abnormal.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is generation of electricity by new energy equipment test system block diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
The present embodiment generation of electricity by new energy equipment test system, composition comprises: photovoltaic power station monitoring system, photovoltaic plant EMS, power analyzer, power quality analyzer, switch and photovoltaic DC-to-AC converter testing station.Wherein, photovoltaic power station monitoring system, photovoltaic plant EMS, switch, power quality analyzer are linked in sequence by Ethernet netting twine successively, as shown in Figure 1, be numbered 1,2,3 for ethernet line, wherein numbering 1,2 adopts both sides to be the RJ-45 port of T568B line sequence connection, and numbering 3 adopts the RJ-45 port of side T568A line sequence connection, opposite side T568B line sequence connection.Be connected by RS-232 serial port data line between power analyzer with photovoltaic DC-to-AC converter testing station, serial ports RS-232 data wire adopts side DB9 needle-like port, opposite side DB9 pass port, wherein both sides port 2,3, No. 5 pin one_to_one corresponding.Physical connection is not had between power quality analyzer and photovoltaic DC-to-AC converter testing station, power quality analyzer and photovoltaic DC-to-AC converter testing station all have the interface that can insert storage card, power quality analyzer is to insertion storage card write power quality data, during Water demand, storage card is extracted rear insertion photovoltaic DC-to-AC converter testing station, the data in storage card are read at photovoltaic DC-to-AC converter testing station, carry out power quality analysis.As shown in Figure 1, the present embodiment generation of electricity by new energy equipment test system also has the wireless remote debug terminal with photovoltaic DC-to-AC converter testing station wireless telecommunications.Connected by Wi-Fi in this example.
Brief description is carried out to each part in native system below:
Photovoltaic power station monitoring system, gathers environment weather data, inverter electrical signal data; Environment weather data comprise: wind speed, wind direction, temperature, humidity, air pressure, irradiance; Inverter electrical signal data comprises: three-phase voltage, electric current, meritorious, idle, frequency, power factor.
Photovoltaic plant EMS, for managing the photovoltaic power generation equipment in power station and energy storage device, gathering the Monitoring Data of photovoltaic power station monitoring system and passing to photovoltaic DC-to-AC converter testing station by switch;
Power analyzer, for measuring alternating current, the alternating voltage of the direct current of inverter input side, direct voltage and outlet side, and sends to photovoltaic DC-to-AC converter testing station;
Power quality analyzer, for gathering alternating current and the alternating voltage of inverter outlet side, calculate power quality data and write readable media, so that by this readable media by data importing photovoltaic DC-to-AC converter testing station, power quality data at least includes: 2-25 subharmonic content, voltage flicker data, voltage collapse data;
Photovoltaic DC-to-AC converter testing station, for carrying out inverter efficiency at line computation, maximum power on-line tracing capability evaluation, power quality analysis;
Wireless remote debug terminal, remote diagnosis time abnormal for pilot system and fault location.
Inverter efficiency calculates acquisition in line computation in real time by the data gathered in power analyzer; Described maximum power on-line tracing capability evaluation calculates acquisition in real time by collection environment weather data and inverter electrical signal data; Described power quality analysis is obtained by the power quality data calculated off-line imported.
In addition to the implementation, the present invention can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of application claims.
Claims (7)
1. a generation of electricity by new energy equipment test system, is characterized in that comprising:
Photovoltaic power station monitoring system, gathers environment weather data, inverter electrical signal data;
Photovoltaic plant EMS, for managing the photovoltaic power generation equipment in power station and energy storage device, gathering the Monitoring Data of photovoltaic power station monitoring system and passing to photovoltaic DC-to-AC converter testing station by switch;
Power analyzer, for measuring alternating current, the alternating voltage of the direct current of inverter input side, direct voltage and outlet side, and sends to photovoltaic DC-to-AC converter testing station;
Power quality analyzer, for gathering alternating current and the alternating voltage of inverter outlet side, calculate power quality data and write readable media, so that by this readable media by data importing photovoltaic DC-to-AC converter testing station, power quality data at least includes: 2-25 subharmonic content, voltage flicker data, voltage collapse data;
Photovoltaic DC-to-AC converter testing station, for carrying out inverter efficiency at line computation, maximum power on-line tracing capability evaluation, power quality analysis.
2. generation of electricity by new energy equipment test system according to claim 1, is characterized in that: environment weather data comprise: wind speed, wind direction, temperature, humidity, air pressure, irradiance; Inverter electrical signal data comprises: three-phase voltage, electric current, meritorious, idle, frequency, power factor.
3. generation of electricity by new energy equipment test system according to claim 1, it is characterized in that: also there is the wireless remote debug terminal with photovoltaic DC-to-AC converter testing station wireless telecommunications, remote diagnosis when described wireless remote debug terminal is abnormal for pilot system and fault location.
4. generation of electricity by new energy equipment test system according to claim 1, is characterized in that: described photovoltaic power station monitoring system, photovoltaic plant EMS, switch, power quality analyzer are linked in sequence by Ethernet netting twine successively.
5. generation of electricity by new energy equipment test system according to claim 4, it is characterized in that: photovoltaic DC-to-AC converter testing station, netting twine two ends between photovoltaic plant EMS and switch are the RJ-45 port of T568B line sequence connection, and between photovoltaic power station monitoring system and photovoltaic plant EMS, the two ends of netting twine are respectively the RJ-45 port adopting T568A line sequence connection and T568B line sequence connection.
6. generation of electricity by new energy equipment test system according to claim 1, it is characterized in that: be connected by serial ports RS-232 data wire between power analyzer with photovoltaic DC-to-AC converter testing station, serial ports RS-232 data wire adopts side DB9 needle-like port, opposite side DB9 pass port, wherein both sides port 2,3, No. 5 pin one_to_one corresponding.
7. generation of electricity by new energy equipment test system according to claim 1, is characterized in that: described inverter efficiency calculates acquisition in line computation in real time by the data gathered in power analyzer; Described maximum power on-line tracing capability evaluation calculates acquisition in real time by collection environment weather data and inverter electrical signal data; Described power quality analysis is obtained by the power quality data calculated off-line imported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510353578.XA CN104967405A (en) | 2015-06-24 | 2015-06-24 | New energy power generation equipment testing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510353578.XA CN104967405A (en) | 2015-06-24 | 2015-06-24 | New energy power generation equipment testing system |
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| CN201510353578.XA Pending CN104967405A (en) | 2015-06-24 | 2015-06-24 | New energy power generation equipment testing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509728A (en) * | 2015-11-02 | 2016-04-20 | 湖南红太阳新能源科技有限公司 | Photovoltaic power station failure equipment navigation method and system |
| CN111463830A (en) * | 2020-05-11 | 2020-07-28 | 阳光电源股份有限公司 | Local area power grid networking method and application system thereof |
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| US20090242011A1 (en) * | 2008-02-19 | 2009-10-01 | Photowatt International | Installation of telecontrolled photovoltaic modules |
| CN103166240A (en) * | 2011-12-15 | 2013-06-19 | 中国科学院电工研究所 | Grid-connected solar photovoltaic power station monitoring system |
| CN203324398U (en) * | 2013-05-29 | 2013-12-04 | 东润环能(北京)科技有限公司 | Distributed photovoltaic inverter testing system |
| CN103543355A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | System of measuring solar photovoltaic generating efficiency |
| CN203896306U (en) * | 2014-06-18 | 2014-10-22 | 国网上海市电力公司 | Engineering quality acceptance data collector of integrated photovoltaic power generation system |
-
2015
- 2015-06-24 CN CN201510353578.XA patent/CN104967405A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090242011A1 (en) * | 2008-02-19 | 2009-10-01 | Photowatt International | Installation of telecontrolled photovoltaic modules |
| CN103166240A (en) * | 2011-12-15 | 2013-06-19 | 中国科学院电工研究所 | Grid-connected solar photovoltaic power station monitoring system |
| CN203324398U (en) * | 2013-05-29 | 2013-12-04 | 东润环能(北京)科技有限公司 | Distributed photovoltaic inverter testing system |
| CN103543355A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | System of measuring solar photovoltaic generating efficiency |
| CN203896306U (en) * | 2014-06-18 | 2014-10-22 | 国网上海市电力公司 | Engineering quality acceptance data collector of integrated photovoltaic power generation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509728A (en) * | 2015-11-02 | 2016-04-20 | 湖南红太阳新能源科技有限公司 | Photovoltaic power station failure equipment navigation method and system |
| CN111463830A (en) * | 2020-05-11 | 2020-07-28 | 阳光电源股份有限公司 | Local area power grid networking method and application system thereof |
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Address after: 210019 Jiangsu Province, Nanjing high tech Development Zone, Lijing Road No. 20 building No. 2 room C110 D Applicant after: NANJING GWDR RELAYS TECHNOLOGY CO., LTD. Address before: 03, 6 storey West elevator, Metro Science Park, No. 69 Olympic Sports Avenue, Jiangsu, Nanjing 210019, China Applicant before: Nanjing GWDR Relays Technology Co., Ltd. |
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Application publication date: 20151007 |