CN109301859A - Distributed photovoltaic power generation station generating efficiency monitoring method and system - Google Patents
Distributed photovoltaic power generation station generating efficiency monitoring method and system Download PDFInfo
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- 238000010248 power generation Methods 0.000 title claims abstract description 27
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- 238000004891 communication Methods 0.000 claims abstract description 53
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- 238000013480 data collection Methods 0.000 claims abstract description 27
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- H02J3/383—
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- H02J13/0075—
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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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- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The present invention relates to distributed photovoltaic power generation station generating efficiency monitoring method and systems, system includes data collection station, communication module, Centralizing inspection and operation management platform, by the generating efficiency for monitoring photovoltaic plant, and it is compared with the average efficiency of photovoltaic plant, to the evaluation that the efficiency of each photovoltaic plant carries out, efficiency is less than to the N of average efficiency1Photovoltaic plant again, is determined as the low photovoltaic plant of generating efficiency, realizes the real-time evaluation of the photovoltaic plant of inefficiency, help that maintenance personal is notified to carry out maintenance investigation to the photovoltaic plant of inefficiency in time.
Description
Technical field
The invention belongs to intelligent power grid technology fields, and in particular to distributed photovoltaic power generation station generating efficiency monitoring method
With system.
Background technique
With coming into operation for photovoltaic power station, a large amount of photo-voltaic power supplies access power distribution network, bring distributed photovoltaic electric
A series of difficulties such as difficult, long-range monitoring operation and maintenance difficulty that access geographic range of standing is wide, operation data magnanimity, valid data excavate
Topic.In rural area, photovoltaic poverty alleviation area, does not have the condition of the wired networking of each photovoltaic power station, such as fiber optic communication face
Face the problems such as investment is very big, later maintenance is difficult, is not suitable for the networking of photovoltaic power station.
And photovoltaic power station is large number of, position dispersion, generating equipment is numerous in each station, and each generating equipment supplies
It answers quotient to be also not quite similar, brings very big difficulty to the operation and maintenance of photovoltaic power station, and consider photovoltaic power station
Investment situation, does not often configure local monitoring system, and administrative staff can not grasp the operating condition, no of each generating equipment at any time
Equipment fault and early warning can be monitored at any time, causes quickly to repair or more exchange device, increase photovoltaic power station
Threat and negative effect of the irregular operating to power grid, while reducing photovoltaic power station income.Establish distributed photovoltaic
The remote centralized in power station monitors and operational system, realizes the unified monitoring operation management of remote centralized operation in trans-regional more power stations,
The problem of as urgent need to resolve.
In the prior art, notification number CN206060359U, a kind of entitled " Centralized Monitoring of photovoltaic power station
Operational system " Chinese patent disclose a kind of operational system including monitoring system, data collection system and client, it is real
Show the long-range monitoring of photovoltaic plant, but the system does not have the efficiency assessment function of photovoltaic plant, it cannot be to each photovoltaic plant
Efficiency monitored in real time, quickly find inefficiency photovoltaic plant, lead to not the efficiency feelings according to photovoltaic plant
Condition carries out formulating reasonable maintenance arrangement.
Summary of the invention
The object of the present invention is to provide distributed photovoltaic power generation station generating efficiency monitoring method and systems, existing for solving
There is the problem of technology can not quickly find photovoltaic plant inefficiency.
In order to solve the above technical problems, the present invention proposes a kind of distributed photovoltaic power generation station generating efficiency monitoring method, packet
Include following steps:
1) generated output and the installed capacity of all photovoltaic plants being currently running, all light that will be currently running are obtained
The generated output summation and installed capacity summation of overhead utility make quotient, and the average efficiency of photovoltaic plant is calculated；According to transporting
The generated output of capable each photovoltaic plant and installed capacity, are calculated the efficiency of each photovoltaic plant；
2) by the efficiency of each photovoltaic plant respectively compared with the average efficiency of photovoltaic plant, when the efficiency of photovoltaic plant is small
In the N of the average efficiency of photovoltaic plant1Times when, 0 < N1< 1, determine that the photovoltaic power station power generation efficiency is low, and alarm.
Further, in step 2) according to the efficiency of each photovoltaic plant respectively compared with the average efficiency of photovoltaic plant, by light
The efficiency of overhead utility is divided into three-level, and respectively generating efficiency is low, generating efficiency is medium, generating efficiency is good；
The low discriminate of generating efficiency is En<N1* E, the medium discriminate of generating efficiency are N1*E≤En≤N2* E, hair
The good discriminate of electrical efficiency is En>N2* E, wherein EnFor the efficiency of each photovoltaic plant, E is the average efficiency of photovoltaic plant,
N1、N2For coefficient, N2>1；After the efficiency of photovoltaic plant is that generating efficiency is medium, within the set time, if the photovoltaic plant
Efficiency be always that generating efficiency is medium, then alarm the photovoltaic plant.
In order to solve the above technical problems, the present invention also proposes that a kind of distributed photovoltaic power generation station generating efficiency monitors system,
Including photovoltaic power station data collection station, first communication module, Centralizing inspection and operation management platform, distributed light
Overhead utility data collection station connects Centralizing inspection and operation management platform by first communication module；
Wherein, photovoltaic power station data collection station is used to obtain the power generation for all photovoltaic plants being currently running
Power and installed capacity；First communication module is for being responsible for photovoltaic power station data collection station, Centralizing inspection and O&M
Manage the information exchange between platform；
The generated output summation and dress for all photovoltaic plants that Centralizing inspection and operation management platform are used to be currently running
Machine capacity summation makees quotient, and the average efficiency of photovoltaic plant is calculated；According to the generated output for each photovoltaic plant being currently running
And installed capacity, the efficiency of each photovoltaic plant is calculated；By the efficiency of each photovoltaic plant respectively with the average effect of photovoltaic plant
Rate compares, when the efficiency of photovoltaic plant is less than the N of the average efficiency of photovoltaic plant1Times when, 0 < N1< 1, determine the photovoltaic plant
Generating efficiency is low, and alarms.
Further, Centralizing inspection and operation management platform are also used to the efficiency of photovoltaic plant being divided into three-level, respectively send out
Poor electrical efficiency, generating efficiency are medium, generating efficiency is good；
The low discriminate of generating efficiency is En<N1* E, the medium discriminate of generating efficiency are N1*E≤En≤N2* E, hair
The good discriminate of electrical efficiency is En>N2* E, wherein EnFor the efficiency of each photovoltaic plant, E is the average efficiency of photovoltaic plant,
N1、N2For coefficient, N2>1；After the efficiency of photovoltaic plant is that generating efficiency is medium, within the set time, if the photovoltaic plant
Efficiency be always that generating efficiency is medium, then alarm the photovoltaic plant.
Further, further include the second communication module for connecting Centralizing inspection and operation management platform, for by wired or
The generating efficiency situation of each photovoltaic plant is sent to handheld terminal and/or computer to access terminal by wireless network.
Further, the first communication module is GPRS wireless communication module, the parameter of GPRS wireless communication module according to
The fixation public network IP and port numbers of Centralizing inspection and operation management platform are configured.
Further, the communication process of photovoltaic power station data collection station and GPRS wireless communication module are as follows: distribution
Formula photovoltaic plant data collection station is communicated by serial ports with GPRS wireless communication module, and GPRS wireless communication module obtains IP,
And communicated with Centralizing inspection with operation management platform, after establishing communication, Centralizing inspection and operation management platform issue instruction
GPRS wireless communication module, GPRS wireless communication module are transmitted to photovoltaic power station data collection station, distributed light
Overhead utility data collection station is again by data backtracking to Centralizing inspection and operation management platform.
Further, Centralizing inspection and operation management platform include interchanger, and the communication service connecting respectively with interchanger
Device, real time data server, historic data server, application server, WEB server；Wherein, the communication server is for leading to
Believe the parsing of specification, real time data server is used for store historical data for handling real time data, historic data server,
Application server is used to calculate and determine that the efficiency of photo-voltaic power generation station, WEB server to be used to pass through Homepage Publishing photovoltaic plant
Efficiency determine information.
Further, Centralizing inspection and operation management platform further include GPS positioning module, for positioning each photovoltaic plant
Geographical location information.
The beneficial effects of the present invention are:
The invention proposes the method and systems that the generating efficiency of a kind of pair of photovoltaic plant is monitored, by monitoring light
The generating efficiency of overhead utility, and be compared with the average efficiency of photovoltaic plant, it comments what the efficiency of each photovoltaic plant carried out
It is fixed, efficiency is less than to the N of average efficiency1Photovoltaic plant again, is determined as the low photovoltaic plant of generating efficiency, realizes effect
The real-time evaluation and alarm of the low photovoltaic plant of rate, facilitate the photovoltaic plant for notifying maintenance personal in time to inefficiency
Carry out maintenance investigation.
Further, by according to the different generating efficiencies of photovoltaic plant, photovoltaic plant is divided into three grades, to each light
The generating efficiency of overhead utility is evaluated, and evaluation generating efficiency is low, generating efficiency is medium or generating efficiency is good, to being chosen as
The medium photovoltaic plant of generating efficiency, by the way that the monitoring of a period is arranged, if being determined as always, generating efficiency is medium,
It alarms the photovoltaic plant, realizes the real-time monitoring of the generating efficiency of photovoltaic plant, guarantee photovoltaic plant stablizes fortune
Row.
Detailed description of the invention
Fig. 1 is a kind of distributed photovoltaic power generation station generating efficiency monitoring system schematic；
Fig. 2 is GPRS wireless communication module and Centralizing inspection and operation management platform Principle of Communication figure；
Fig. 3 is Centralizing inspection and operation management platform structural schematic diagram；
Fig. 4 is the flow chart of photovoltaic power station generating efficiency grading determination method.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing.
Embodiment one:
A kind of distributed photovoltaic power generation station generating efficiency monitoring method of the invention, comprising the following steps:
1) generated output and the installed capacity of all photovoltaic plants being currently running, all light that will be currently running are obtained
The generated output summation and installed capacity summation of overhead utility make quotient, and the average efficiency of photovoltaic plant is calculated；
2) according to the generated output for each photovoltaic plant being currently running and installed capacity, each photovoltaic plant is calculated
Efficiency；
3) by the efficiency of each photovoltaic plant respectively compared with the average efficiency of photovoltaic plant, when the efficiency of photovoltaic plant is small
In the N of the average efficiency of photovoltaic plant1Times when, 0 < N1< 1, determine that the photovoltaic power station power generation efficiency is low, and alarm.
It by monitoring the generating efficiency of photovoltaic plant, and is compared with the average efficiency of photovoltaic plant, to each photovoltaic electric
Efficiency is less than the N of average efficiency by the evaluation that the efficiency stood carries out1Photovoltaic plant again, is determined as the low light of generating efficiency
Overhead utility realizes the real-time evaluation and alarm of the photovoltaic plant of inefficiency, helps to notify maintenance personal to efficiency in time
Low photovoltaic plant carries out maintenance investigation.
In order to which the generating efficiency to each photovoltaic plant is monitored in real time, according to the efficiency of each photovoltaic plant respectively with light
The average efficiency of overhead utility compares, and the efficiency of photovoltaic plant is divided into three-level, and respectively generating efficiency is low, in generating efficiency
It is good Deng, generating efficiency.Wherein, the low discriminate of generating efficiency is En<N1* E, the medium discriminate of generating efficiency are N1*E
≤En≤N2* E, the good discriminate of generating efficiency are En>N2* E, wherein EnFor the efficiency of each photovoltaic plant, E is photovoltaic plant
Average efficiency, N1、N2For coefficient, N2>1.For being determined as the efficiency of the medium photovoltaic plant of generating efficiency, in setting time
It is interior, if the efficiency of the photovoltaic plant is that generating efficiency is medium always, alarm the photovoltaic plant, arranges maintenance personal
It is overhauled, realizes the real-time monitoring of the generating efficiency of photovoltaic plant, guarantee the stable operation of photovoltaic plant.
Embodiment two:
A kind of distributed photovoltaic power generation station generating efficiency of the invention monitors system, as shown in Figure 1, including distributed light
Overhead utility data collection station, first communication module, Centralizing inspection and operation management platform and data transmission blocks, it is distributed
Photovoltaic plant data collection station connects Centralizing inspection and operation management platform, Centralizing inspection and fortune by first communication module
Dimension management platform connects data transmission blocks.Wherein, photovoltaic power station data collection station is currently running for obtaining
All photovoltaic plants generated output and installed capacity；First communication module is GPRS wireless communication module, for that will be distributed
The data of formula photovoltaic plant data collection station are transferred to Centralizing inspection and operation management platform.
The generated output summation and dress for all photovoltaic plants that Centralizing inspection and operation management platform are used to be currently running
Machine capacity summation makees quotient, and the average efficiency of photovoltaic plant is calculated；According to the generated output for each photovoltaic plant being currently running
And installed capacity, the efficiency of each photovoltaic plant is calculated；By the efficiency of each photovoltaic plant respectively with the average effect of photovoltaic plant
Rate compares, and the efficiency of photovoltaic plant is divided into three-level, and respectively generating efficiency is low, generating efficiency is medium, generating efficiency is good
It is good.Wherein, the low discriminate of generating efficiency is En<N1* E, the medium discriminate of generating efficiency are N1*E≤En≤N2* E, hair
The good discriminate of electrical efficiency is En>N2* E, wherein EnFor the efficiency of each photovoltaic plant, E is the average efficiency of photovoltaic plant,
N1、N2For coefficient, N2>1.When photovoltaic plant is determined as that generating efficiency is low, alarm, arrange maintenance personal and
When overhaul；After the efficiency of photovoltaic plant is that generating efficiency is medium, within the set time, if the efficiency of the photovoltaic plant is always
It is medium for generating efficiency, then it alarms the photovoltaic plant, arranges maintenance personal's maintenance.
Data transmission blocks by wired or wireless network, by the generating efficiency situation of each photovoltaic plant for being sent to
Handheld terminal and/or computer to access terminal.
As shown in Figure 1, each photovoltaic power station data collection station is by GPRS wireless communication module and has solid
The Centralizing inspection for determining public network IP address is communicated with operation management platform, completes photovoltaic power station mechanical floor key equipment letter
It is sent on breath.Handheld terminal and computer to access terminal are by second communication module connection Centralizing inspection and operation management platform, i.e.,
Centralizing inspection and operation management platform are accessed by WIFI, GPRS or cable network, obtains all power stations in oneself permission
The operation informations such as related operation information, including generated output, generated energy, gene-ration revenue, failure, early warning work ticket are received and are concentrated
The fault warning information of monitoring and operation management platform push.
The communication process of photovoltaic power station data collection station and GPRS wireless communication module is as shown in Fig. 2, concentrate
Monitoring is each photovoltaic power station data collection station distributor address, Centralizing inspection and fortune with operation management platform
Dimension management platform distinguishes each photovoltaic power station according to unit address, and the parameter of GPRS wireless communication module is according to concentration
Monitor the fixation public network IP and port numbers setting of operation management platform.Communication process is the acquisition of photovoltaic power station data
Terminal is communicated with GPRS wireless communication module by serial ports, GPRS wireless communication module acquisition IP, and with Centralizing inspection and O&M
Platform communication is managed, after establishing communication, instruction is issued GPRS wireless communication module by Centralizing inspection and operation management platform,
GPRS wireless communication module is transmitted to photovoltaic power station data collection station, photovoltaic power station data collection station
Again by data backtracking to Centralizing inspection and operation management platform.By the way of GPRS wireless transmission, its advantage is that having
High reliability, the stability of data transmission, and invest small, operating cost is low.
Above-mentioned Centralizing inspection and operation management platform are as shown in figure 3, using the dual framework of C/S, B/S, including interchanger,
And the communication server, real time data server, historic data server, application server, the WEB being connect respectively with interchanger
Server；Wherein, the communication server is used for the parsing of modbus communication protocol, and real time data server is for handling real-time number
According to historic data server is used for store historical data, and application server is the carrier of big data and cloud computing platform, is used for
The efficiency for calculating and determining photo-voltaic power generation station is completed at the same time operation information statistical analysis, the income meter of photovoltaic power station
Calculation, environmental benefit, fault pre-alarming, fault diagnosis etc..WEB server is used to determine by the efficiency of Homepage Publishing photovoltaic plant
Information.In order to position the position of photovoltaic plant, Centralizing inspection and operation management platform further include GPS positioning module, GPS positioning
The GPRS wireless communication module being arranged in module cooperation photovoltaic power station uses, and is passed through according to each photovoltaic power station
Latitude information shows the geographical location in each power station, realizes the location information and operation information of each photovoltaic power station
Visualization.
Centralizing inspection and operation management platform of the invention realizes the distribution of a large amount of access power grids, geographical location dispersion
Formula photovoltaic plant information is uniformly accessed into, Centralizing inspection operation and maintenance, unified management；It can show each telemetering amount and carry out
The Threshold Crossing Alert of telemetering amount can show power transmission current voltage associated harmonic content, to the related harmonic wave beyond critical field into
Row alarm prompt carries out early warning to the harmonic wave that will exceed critical field.
Fig. 4 is a kind of specific photovoltaic power station power generation efficiency classification decision procedure, for a photovoltaic plant, when the station
When stopping transport in off-network state or failure, operational system determines that the station is stopped transport, generating efficiency 0, carries out red announcement to the station
It is alert.For each photovoltaic power station in being currently running, the average efficiency E, E of all photovoltaic plants in addition to stoppage in transit are found out
=(P1+P2+ ...+Pn+ ...)/(W1+W2+ ...+Wn+ ...), Pn are the generated output of n-th of photovoltaic plant, and Wn is n-th of light
Each photovoltaic plant efficiency En (En=Pn/Wn) is compared by the installed capacity of overhead utility with average efficiency E, when En <
0.8E determines the photovoltaic plant inefficiency, and operational system carries out orange alarm to the station, as 0.8E≤En≤1.2E, determines
The photovoltaic plant efficiency is medium, and operational system carries out yellow to the station and shows, works as En > 1.2E, determines that the photovoltaic plant efficiency is good
Good, operational system carries out green display to the station.
Data collection station of the invention, the generating efficiency in addition to acquiring photovoltaic plant, also progress photovoltaic power station
The comprehensive data acquisition of key equipment operation information in standing, including photovoltaic power station A, B, C phase active power, three-phase
Active power, A, B, C phase reactive power, three phase reactive power, three-phase voltage, three-phase line voltage, three-phase current, zero-sequence current,
Bus frequency, generated energy today, the accumulative total of generating electricity, A, B, C phase voltage total harmonic distortion, A, B, C phase current harmonic wave resultant distortion
The telemeterings amounts such as rate, A, B, C phase voltage 2-31 subharmonic, A, B, C phase current 2-31 subharmonic and photovoltaic power station are grid-connected disconnected
Road device position, I sections of pressing plates of protective device electric current, II sections of pressing plates of electric current, overload pressing plate, overvoltage pressing plate, low-voltage pressing plate,
Residual current pressing plate has pressure closing pressing plate, automatic paralleling closing pressing plate, active isolated island protection pressing plate, the protection of passive isolated island automatically
The alarm signals such as the functions pressing plate states such as pressing plate, reverse-power protection pressing plate and overload alarm, inverse probability alarm.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within scope of the presently claimed invention.
Claims (9)
1. a kind of distributed photovoltaic power generation station generating efficiency monitoring method, which comprises the following steps:
1) generated output and the installed capacity of all photovoltaic plants being currently running, all photovoltaic plants that will be currently running are obtained
Generated output summation and installed capacity summation make quotient, the average efficiency of photovoltaic plant is calculated according to each light being currently running
The efficiency of each photovoltaic plant is calculated in the generated output of overhead utility and installed capacity；
2) by the efficiency of each photovoltaic plant respectively compared with the average efficiency of photovoltaic plant, when the efficiency of photovoltaic plant is less than photovoltaic
The N of the average efficiency in power station1Times when, 0 < N1< 1, determine that the photovoltaic power station power generation efficiency is low, and alarm.
2. distributed photovoltaic power generation station generating efficiency monitoring method according to claim 1, which is characterized in that in step 2)
According to the efficiency of each photovoltaic plant respectively compared with the average efficiency of photovoltaic plant, the efficiency of photovoltaic plant is divided into three-level, point
It Wei generating efficiency be low, generating efficiency is medium, generating efficiency is good；
The low discriminate of generating efficiency is En<N1* E, the medium discriminate of generating efficiency are N1*E≤En≤N2* E, generating efficiency
Good discriminate is En>N2* E, wherein EnFor the efficiency of each photovoltaic plant, E is the average efficiency of photovoltaic plant, N1、N2To be
Number, N2>1；After the efficiency of photovoltaic plant is that generating efficiency is medium, within the set time, if the efficiency of the photovoltaic plant is always
It is medium for generating efficiency, then it alarms the photovoltaic plant.
3. a kind of distributed photovoltaic power generation station generating efficiency monitors system, which is characterized in that including photovoltaic power station data
Acquisition terminal, first communication module, Centralizing inspection and operation management platform, photovoltaic power station data collection station pass through the
One communication module connects Centralizing inspection and operation management platform；
Wherein, photovoltaic power station data collection station be used for obtain all photovoltaic plants being currently running generated output and
Installed capacity；First communication module is flat for being responsible for photovoltaic power station data collection station, Centralizing inspection and operation management
Information exchange between platform；
The generated output summation for all photovoltaic plants that Centralizing inspection and operation management platform are used to be currently running and installation are held
Amount summation makees quotient, and the average efficiency of photovoltaic plant is calculated；According to the generated output and dress of each photovoltaic plant being currently running
The efficiency of each photovoltaic plant is calculated in machine capacity；By the efficiency of each photovoltaic plant respectively with the average efficiency of photovoltaic plant ratio
Compared with when the efficiency of photovoltaic plant is less than the N of the average efficiency of photovoltaic plant1Times when, 0 < N1< 1, determine that the photovoltaic power station power generation is imitated
Rate is low, and alarms.
4. distributed photovoltaic power generation station according to claim 3 generating efficiency monitors system, which is characterized in that Centralizing inspection
It is also used to for the efficiency of photovoltaic plant to be divided into three-level with operation management platform, respectively generating efficiency is low, generating efficiency is medium,
Generating efficiency is good；
The low discriminate of generating efficiency is En<N1* E, the medium discriminate of generating efficiency are N1*E≤En≤N2* E, generating efficiency
Good discriminate is En>N2* E, wherein EnFor the efficiency of each photovoltaic plant, E is the average efficiency of photovoltaic plant, N1、N2To be
Number, N2>1；After the efficiency of photovoltaic plant is that generating efficiency is medium, within the set time, if the efficiency of the photovoltaic plant is always
It is medium for generating efficiency, then it alarms the photovoltaic plant.
5. distributed photovoltaic power generation station according to claim 3 or 4 generating efficiency monitors system, which is characterized in that also wrap
The second communication module for including connection Centralizing inspection and operation management platform, for passing through wired or wireless network, by each photovoltaic electric
The generating efficiency situation stood is sent to handheld terminal and/or computer to access terminal.
6. distributed photovoltaic power generation station according to claim 3 generating efficiency monitors system, which is characterized in that described first
Communication module is GPRS wireless communication module, and the parameter of GPRS wireless communication module is according to Centralizing inspection and operation management platform
Fixed public network IP and port numbers are configured.
7. distributed photovoltaic power generation station according to claim 6 generating efficiency monitors system, which is characterized in that distributed light
The communication process of overhead utility data collection station and GPRS wireless communication module are as follows: photovoltaic power station data collection station is logical
It crosses serial ports to communicate with GPRS wireless communication module, GPRS wireless communication module obtains IP, and flat with Centralizing inspection and operation management
Platform communication, after establishing communication, instruction is issued GPRS wireless communication module, GPRS channel radio by Centralizing inspection and operation management platform
Letter module forwards give photovoltaic power station data collection station, and photovoltaic power station data collection station is again by data original road
Back to Centralizing inspection and operation management platform.
8. distributed photovoltaic power generation station according to claim 3 generating efficiency monitors system, which is characterized in that Centralizing inspection
It include interchanger with operation management platform, and the communication server, real time data server, the history number that are connect respectively with interchanger
According to server, application server, WEB server；Wherein, the communication server is used for the parsing of communication protocol, Real-time Data Service
Device is used for store historical data for handling real time data, historic data server, and application server is for calculating and determining light
The efficiency in power station is lied prostrate, WEB server is used to determine information by the efficiency of Homepage Publishing photovoltaic plant.
9. distributed photovoltaic power generation station according to claim 8 generating efficiency monitors system, which is characterized in that Centralizing inspection
It further include GPS positioning module with operation management platform, for positioning the geographical location information of each photovoltaic plant.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080056A (en) * | 2019-11-07 | 2020-04-28 | 国网河北省电力有限公司电力科学研究院 | Single-point detection mechanism capacity improving method and system based on dynamic and static detection capacity analysis |
| CN112260309A (en) * | 2020-09-29 | 2021-01-22 | 青海大学 | Method and device for calculating credible capacity of photovoltaic power station |
| CN112884360A (en) * | 2021-03-18 | 2021-06-01 | 国家电网有限公司 | Distributed photovoltaic power station comprehensive effect evaluation method, system, equipment and medium |
| CN116307915A (en) * | 2023-03-28 | 2023-06-23 | 青海德坤电力集团有限公司 | Remote photovoltaic power generation operation and maintenance management and control system based on cloud technology |
| CN116757681A (en) * | 2023-08-16 | 2023-09-15 | 武汉联动设计股份有限公司 | Real-time monitoring and diagnosing method and system for generating efficiency of wind turbine generator |
| CN117113267A (en) * | 2023-10-25 | 2023-11-24 | 杭州海兴泽科信息技术有限公司 | Prediction model training method based on big data and photovoltaic power generation performance detection method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543356A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | Method and equipment for measuring power generation efficiency of photovoltaic power generation system |
| CN103576036A (en) * | 2013-11-22 | 2014-02-12 | 海南天能电力有限公司 | Comprehensive quality evaluation technology for grid-connected photovoltaic (PV) power generation system |
| CN104167988A (en) * | 2014-09-09 | 2014-11-26 | 河海大学常州校区 | Method for judging efficiency anomaly alarms of photovoltaic system |
| CN105373970A (en) * | 2015-12-02 | 2016-03-02 | 国家电网公司 | Method of overall performance evaluation of photovoltaic power station |
| CN105634405A (en) * | 2014-12-01 | 2016-06-01 | 国家电网公司 | Method and device for detecting generation performance of photovoltaic power generation system |
| JP2016208567A (en) * | 2015-04-15 | 2016-12-08 | 中国電力株式会社 | Photovoltaic power generation system |
| CN106301213A (en) * | 2015-06-11 | 2017-01-04 | 天泰管理顾问股份有限公司 | Solar energy equipment diagnostic method |
| CN106411257A (en) * | 2016-11-03 | 2017-02-15 | 许继集团有限公司 | Photovoltaic power station state diagnosis method and device |
| CN206060359U (en) * | 2016-09-28 | 2017-03-29 | 石家庄科林电气股份有限公司 | A kind of Centralized Monitoring operational system of photovoltaic power station |
-
2018
- 2018-09-10 CN CN201811051233.9A patent/CN109301859A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543356A (en) * | 2013-10-18 | 2014-01-29 | 国家电网公司 | Method and equipment for measuring power generation efficiency of photovoltaic power generation system |
| CN103576036A (en) * | 2013-11-22 | 2014-02-12 | 海南天能电力有限公司 | Comprehensive quality evaluation technology for grid-connected photovoltaic (PV) power generation system |
| CN104167988A (en) * | 2014-09-09 | 2014-11-26 | 河海大学常州校区 | Method for judging efficiency anomaly alarms of photovoltaic system |
| CN105634405A (en) * | 2014-12-01 | 2016-06-01 | 国家电网公司 | Method and device for detecting generation performance of photovoltaic power generation system |
| JP2016208567A (en) * | 2015-04-15 | 2016-12-08 | 中国電力株式会社 | Photovoltaic power generation system |
| CN106301213A (en) * | 2015-06-11 | 2017-01-04 | 天泰管理顾问股份有限公司 | Solar energy equipment diagnostic method |
| CN105373970A (en) * | 2015-12-02 | 2016-03-02 | 国家电网公司 | Method of overall performance evaluation of photovoltaic power station |
| CN206060359U (en) * | 2016-09-28 | 2017-03-29 | 石家庄科林电气股份有限公司 | A kind of Centralized Monitoring operational system of photovoltaic power station |
| CN106411257A (en) * | 2016-11-03 | 2017-02-15 | 许继集团有限公司 | Photovoltaic power station state diagnosis method and device |
Non-Patent Citations (1)
| Title |
|---|
| 郭家宝，汪毅: "《光伏发电站设计关键技术》", 31 March 2014 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111080056A (en) * | 2019-11-07 | 2020-04-28 | 国网河北省电力有限公司电力科学研究院 | Single-point detection mechanism capacity improving method and system based on dynamic and static detection capacity analysis |
| CN111080056B (en) * | 2019-11-07 | 2023-10-24 | 国网河北省电力有限公司电力科学研究院 | Single-point detection mechanism capability lifting system based on dynamic and static detection capability analysis |
| CN112260309A (en) * | 2020-09-29 | 2021-01-22 | 青海大学 | Method and device for calculating credible capacity of photovoltaic power station |
| CN112884360A (en) * | 2021-03-18 | 2021-06-01 | 国家电网有限公司 | Distributed photovoltaic power station comprehensive effect evaluation method, system, equipment and medium |
| CN116307915A (en) * | 2023-03-28 | 2023-06-23 | 青海德坤电力集团有限公司 | Remote photovoltaic power generation operation and maintenance management and control system based on cloud technology |
| CN116307915B (en) * | 2023-03-28 | 2024-04-02 | 青海德坤电力集团有限公司 | Remote photovoltaic power generation operation and maintenance management and control system based on cloud technology |
| CN116757681A (en) * | 2023-08-16 | 2023-09-15 | 武汉联动设计股份有限公司 | Real-time monitoring and diagnosing method and system for generating efficiency of wind turbine generator |
| CN116757681B (en) * | 2023-08-16 | 2023-11-28 | 武汉联动设计股份有限公司 | Real-time monitoring and diagnosing method and system for generating efficiency of wind turbine generator |
| CN117113267A (en) * | 2023-10-25 | 2023-11-24 | 杭州海兴泽科信息技术有限公司 | Prediction model training method based on big data and photovoltaic power generation performance detection method |
| CN117113267B (en) * | 2023-10-25 | 2024-02-09 | 杭州海兴泽科信息技术有限公司 | Prediction model training method based on big data and photovoltaic power generation performance detection method |
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