CN107204628A - A kind of photovoltaic plant optimizes system and method - Google Patents
A kind of photovoltaic plant optimizes system and method Download PDFInfo
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- CN107204628A CN107204628A CN201610151406.9A CN201610151406A CN107204628A CN 107204628 A CN107204628 A CN 107204628A CN 201610151406 A CN201610151406 A CN 201610151406A CN 107204628 A CN107204628 A CN 107204628A
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- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000005457 optimization Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 12
- 238000005286 illumination Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
Classifications
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- H02J3/383—
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The present invention relates to a kind of novel photovoltaic power optimization system and method.The present invention includes multiple photovoltaic voltage collectors, and the collector is arranged on every piece of photovoltaic module；Multiple current collectors, gather each group string branch current；Multiple repeaters, complete the amplification and forwarding of wireless signal；Multiple data concentrators, data concentrator fixes the data of collection assembly, is transferred to monitor client；Monitor client can propose intelligent prompt to component；Cloud Server, the server is cloud storage and the infrastructure of cloud computing, and photovoltaic module is calculated and matched again, reaches maximum generating watt.The purpose of the present invention provides a kind of lean management system for photovoltaic plant, and the present invention has a clear understanding of power station traffic-operating period, quick and precisely finds faulty components, and cost is low, and income is high.
Description
Technical field
The present invention relates to a kind of operation management system in novel photovoltaic power station.
Background technology
The problem of energy shortage and environmental pollution, is on the rise, and solar energy is used as a kind of inexhaustible, nexhaustible cleaning energy
Source, is increasingly valued by people, and wherein photovoltaic generation attracts most attention.Therefore in order to improve power station O＆M efficiency, electricity is improved
Stand generated energy, photovoltaic plant monitoring is an essential part.Conventional photovoltaic monitoring power station be exactly by the inverter of photovoltaic plant,
The equipment such as header box, irradiation instrument, atmospherium, ammeter are connected by data wire, and computer or interconnection are connected to by data wire
Net；The real-time monitoring to single component can not be realized, component is damaged and can not found in time.Change.
Because photovoltaic plant floor space is big, there is problems with using data wire connected mode in traditional monitoring scheme：Wiring is numerous
Trivial, difficulty of construction is big；Autgmentability is weaker, newly increases monitoring complicated；Maintenance cost is high；Coverage rate is narrow can not cover list for monitoring
Individual component.The present invention can solve problem above, and component is monitored in real time, and failure Realtime Alerts are accurately positioned；
Cloud service system is analyzed component I-V characteristic optimizes the arrangement of scheme there is provided photovoltaic plant, improves generated energy.
The content of the invention
The purpose of the present invention is to design the photovoltaic plant optimization system of a set of intelligent and high-efficiency, and cost is low, and reliability is high, and operation is simple,
It is easy to maintenance, with the generated energy for reducing manpower O＆M cost, improving photovoltaic plant.
A kind of novel photovoltaic power optimization system designed by the present invention, it is characterized in that it includes：
Multiple voltage collectors 1, voltage collector is arranged on photovoltaic module, collection battery component voltage, temperature, and possesses wireless
Signal receives sending function；
Multiple current collectors 2, each battery pack string installs a current collector 2, gathers the electric current of the group string, and with the group string
The voltage collector 1 on battery component is wirelessly communicated, the data that receiving voltage collector 1 is transmitted, and simultaneously will
The string battery component data are wirelessly uploaded to repeater 3；
Multiple repeaters 3, the repeater 3 is communicated wirelessly with current collector 2, and data are uploaded and issued；
One or more data concentrators 4, are communicated with above-mentioned repeater 3, and are communicated with monitor client 5, by repeater 3
The incoming monitor client 5 of data, and the instruction of monitor client 5 is sent to repeater 3；
One monitor client 5 for being made up of computer and monitoring software, is connected with above-mentioned data concentrator 4, for monitoring electricity in real time
The running situation of pond component；
One group by computer or server group into Cloud Server 6, with above-mentioned monitor client 5 by network connection, for storing light
Overhead utility battery component data, operation photovoltaic plant Optimal scheduling program；
A kind of novel photovoltaic power optimization system designed by the present invention, is further characterized in that：Described voltage collector 1 is included
One MCU controller, voltage and temperature data for gathering battery component, and with current collector 2 wirelessly
Communication.
A kind of novel photovoltaic power optimization system designed by the present invention, it is characterised in that：Described current collector 2 includes MCU
Controller, the wireless transceiver A of connection voltage collector 1, the wireless transceiver B of connection repeater 3, it is described
MCU controller coordinates control wireless transceiver A and wireless transceiver B work, enter with voltage collector 1 and repeater 3
Row communication.
A kind of novel photovoltaic power optimization system designed by the present invention, it is characterised in that：Voltage collector 1 and current collector 2
Communicate as short-distance wireless communication, be the 2.4GHz communications or 433MHz communications of low-power consumption.
A kind of novel photovoltaic power optimization system designed by the present invention, it is characterised in that：Described repeater 3 further comprises
MCU control module, wireless data receipt modules, wireless data forwarding module.
A kind of novel photovoltaic power optimization system designed by the present invention, it is characterised in that：The data concentrator 4 is by serial
Communication interface is connected with LAN, realizes data transfer.
A kind of photovoltaic plant optimization method designed by the present invention, it is characterised in that comprise the following steps：
By each photovoltaic module intensity of illumination, temperature, voltage, electric current storage in the server；
By the data of each photovoltaic module, it is divided into n grade, each grade intensity of illumination from low to high according to intensity of illumination
Under, it is divided into m grade from low to high according still further to temperature, under each intensity of illumination grade and temperature grade, formation component voltage,
The I-V curve of electric current, each n*m I-V curve of component；
According to above-mentioned I-V curve, in intensity of illumination niLux, temperature mjUnder degree Celsius, by whole photovoltaic module MPPT
The electric current of point is divided into K grade from small to large, and the component of each current class is divided into N row, each column common M；
In N*K row components, the MPPT voltages of M battery component in each column are added, N*K total voltage value is obtained；
By N*K magnitude of voltage by being divided into W grades from small to large, according to the size of power station photovoltaic matrix, from voltage class identical
Component selects corresponding battery component row, so that a photovoltaic generation matrix after compositional optimization.
Brief description of the drawings
Fig. 1 is novel photovoltaic power optimization system construction drawing.
Embodiment
Below in conjunction with accompanying drawing, optimization system of the present invention is discussed in detail and implements and the course of work.
As shown in figure 1, novel photovoltaic power optimization system construction drawing, altogether most of including six, voltage collector 1, current acquisition
Device 2, repeater 3, data concentrator 4, monitor client 5, Cloud Server 6.
Wherein each battery component installs a voltage collector 1, and each battery pack string installs a current collector 2, current acquisition
Device 2 is communicated with the voltage with group string, and receives voltage and temperature data that voltage collector 1 is gathered.Each photovoltaic permutation is total to
With a repeater 3, the repeater 3 and each current collector of the permutation are communicated, so as to receive its data.Repeater 3
Data exchange is carried out with data concentrator 4, and data concentrator 4 is connected with monitor client 5, completes repeater 3 and monitoring
The communication of client 5.
Cloud Server 6 is long-range or founded a room in the strange land, is communicated, received on monitor client 5 with monitor client 5 by computer network
The data of every piece of cell panel in the photovoltaic plant of biography, and the photovoltaic plant optimization method designed using the present invention, calculate photovoltaic electric
Station battery module arrangement prioritization scheme.
Claims (7)
1. a kind of novel photovoltaic power optimization system, it is characterised in that：It includes：
Multiple voltage collectors, voltage collector is arranged on photovoltaic module, collection battery component voltage, temperature, and possesses reception of wireless signals sending function；
Multiple current collectors, each battery pack string installs a current collector, gather the electric current of the group string, and wirelessly communicated with the voltage collector on the group string battery component, the data that receiving voltage collector is transmitted, while the string battery component data are wirelessly uploaded into repeater；
Multiple repeaters, the repeater is communicated wirelessly with current collector, and data are uploaded and issued；
One or more data concentrators, are communicated with above-mentioned repeater, and are communicated with monitor client, by the incoming monitor client of REPEATER DATA, and monitor client instruction is sent into repeater；
One monitor client for being made up of computer and monitoring software, is connected with above-mentioned data concentrator, the running situation for monitoring battery component in real time；
One group by computer or server group into Cloud Server, with above-mentioned monitor client by network connection, for storing photovoltaic plant battery component data, operation photovoltaic plant Optimal scheduling program.
2. a kind of novel photovoltaic power optimization system according to claim 1, it is characterised in that：Described voltage collector is comprising a MCU controller, voltage and temperature data for gathering battery component, and is wirelessly communicated with current collector.
3. a kind of novel photovoltaic power optimization system according to claim 1, it is characterised in that：Described current collector comprising MCU controllers, the wireless transceiver A of connection voltage collector, connection repeater wireless transceiver B, the MCU controller coordinates control wireless transceiver A and wireless transceiver B work, are communicated with voltage collector and repeater.
4. a kind of novel photovoltaic power optimization system according to claim 2,3, it is characterised in that：Voltage collector is short-distance wireless communication with current collector communication, is the 2.4GHz communications or 433MHz communications of low-power consumption.
5. a kind of novel photovoltaic power optimization system according to claim 1, it is characterised in that：Described repeater further comprises MCU control module, wireless data receipt modules, wireless data forwarding module.
6. a kind of novel photovoltaic power optimization system according to claim 1, it is characterised in that：The data concentrator is connected by serial communication interface with LAN, realizes data transfer.
7. a kind of photovoltaic plant optimization method, it is characterised in that comprise the following steps：
By each photovoltaic module intensity of illumination, temperature, voltage, electric current storage in the server；
By the data of each photovoltaic module, it is divided into n grade from low to high according to intensity of illumination, under each grade intensity of illumination, it is divided into m grade from low to high according still further to temperature, under each intensity of illumination grade and temperature grade, the I-V curve of formation component voltage, electric current, each n*m I-V curve of component；
According to above-mentioned I-V curve, in intensity of illumination niLux, temperature mjUnder degree Celsius, the electric current of whole photovoltaic module MPPT points is divided into K grade from small to large, the component of each current class is divided into N row, each column common M；
In N*K row components, the MPPT voltages of M battery component in each column are added, N*K total voltage value is obtained；
By N*K magnitude of voltage by being divided into W grades from small to large, according to the size of power station photovoltaic matrix, corresponding battery component row are selected from voltage class identical component, so that a photovoltaic generation matrix after compositional optimization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610151406.9A CN107204628A (en) | 2016-03-17 | 2016-03-17 | A kind of photovoltaic plant optimizes system and method |
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| CN201610151406.9A CN107204628A (en) | 2016-03-17 | 2016-03-17 | A kind of photovoltaic plant optimizes system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659265A (en) * | 2017-11-09 | 2018-02-02 | 陆刚 | Photovoltaic panel failure detector and system |
| CN107819439A (en) * | 2017-11-09 | 2018-03-20 | 陆刚 | Photovoltaic panel on-line fault monitoring apparatus and system |
| CN108768295A (en) * | 2018-06-15 | 2018-11-06 | 北京成文琪信科技有限公司 | A kind of photovoltaic module hot spot monitoring method |
| CN108768296A (en) * | 2018-06-15 | 2018-11-06 | 北京成文琪信科技有限公司 | A kind of photovoltaic module monitoring method |
| CN109462361A (en) * | 2018-10-09 | 2019-03-12 | 安徽大恒能源科技有限公司 | A kind of method for arranging of residents photovoltaic plant |
| CN112862423A (en) * | 2021-04-22 | 2021-05-28 | 成都协能共创科技有限公司 | Distributed new energy power station management method and system, terminal device and computer readable storage medium |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112862423A (en) * | 2021-04-22 | 2021-05-28 | 成都协能共创科技有限公司 | Distributed new energy power station management method and system, terminal device and computer readable storage medium |
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