CN105337308B - A kind of grid side area distribution formula photovoltaic operation management system and management method - Google Patents
A kind of grid side area distribution formula photovoltaic operation management system and management method Download PDFInfo
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- CN105337308B CN105337308B CN201510698845.7A CN201510698845A CN105337308B CN 105337308 B CN105337308 B CN 105337308B CN 201510698845 A CN201510698845 A CN 201510698845A CN 105337308 B CN105337308 B CN 105337308B
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- 238000007726 management method Methods 0.000 title claims abstract description 94
- 238000009826 distribution Methods 0.000 title claims abstract description 68
- 238000012544 monitoring process Methods 0.000 claims abstract description 133
- 238000007689 inspection Methods 0.000 claims abstract description 24
- 238000004458 analytical method Methods 0.000 claims abstract description 20
- 238000010248 power generation Methods 0.000 claims description 55
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- 238000004134 energy conservation Methods 0.000 claims description 6
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- H02J3/383—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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
- 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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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention provides a kind of grid side area distribution formula photovoltaic operation management system and management method, towards province, the monitoring grid-connected to area distribution formula of city-level Utilities Electric Co. and operational management demand, realize the data acquisition of area distribution formula photovoltaic, area monitoring, grid-connected management, charging is supervised, fortune inspection safety, solves current province, data fusion after the large-scale distributed photovoltaic access of city-level, the technical barrier such as operational monitoring and data analysis, distributed photovoltaic management integrated system is perfected, improve distributed photovoltaic integrated management level, OA operation analysis is horizontal and operation service is horizontal, improve distributed power source access efficiency, ensure power grid security economical operation.
Description
Technical field
The present invention relates to a kind of grid side area distribution formula photovoltaic operation management system and management method, belong to electric power network
Technical field.
Background technology
National Development and Reform Committee《Distributed power generation manages provisional administrative method》, National Energy Board《Distributed photovoltaic power generation project
Manage Tentative Measures》Etc. policy propose to support energetically the new energy such as distributed photovoltaic power generation exhibition, improve it is grid-connected management and
Service, establish simple and direct efficient grid-connected service system.State Grid Corporation of China also formulates《Distributed power source access power distribution network is related
Technical specification》、《Distributed photovoltaic power generation access power distribution network correlation technique regulation（It is provisional）》Etc. specification, required from operation maintenance,
The quality of power supply, Power Control and voltage-regulation, voltage x current and frequency response characteristic, relay protection and automatic safety device, lead to
Letter, grid-connected detection etc. specify that the technical requirements that distributed photovoltaic power generation access power network should meet, to solve distributed light
The problems such as lying prostrate administration of power networks, operation caused by system scaleization development, safeguarding provides theoretical foundation.
As power network is applied to install and accessed successively to each department distributed photovoltaic project, the existing management mode of power network is proposed and chosen
War.Power network access system portfolio and data volume rise rapidly along with the increase of distributed photovoltaic quantity, still, distribution at present
Formula photovoltaic lack of control unified information support platform, it is difficult to support carrying for the service management such as Electric Power Network Planning, scheduling, O＆M, marketing
Rise；Distributed photovoltaic project construction lacks overall planning, it is difficult to on-site elimination；Power network lacks to distributed photovoltaic project operation
Effective management and control, the safe operation to power network, which respectively manages, brings very big influence.Therefore, it is necessary to which development special is directed to area distribution formula
The operation management system of photovoltaic, it is managed collectively region within the jurisdiction distributed photovoltaic, each level of the grid-connected management of support distribution formula
Flow of power, information flow, the height fusion of Business Stream and interactive, sound and network service mechanism of control, lifting electrical network business service are whole
Body is horizontal.
Although existing distributed photovoltaic centralized monitoring system can be effectively managed photovoltaic plant, monitoring in real time
The operation maintenance state of photovoltaic power station, but its scope of application has certain limitation：On the one hand traditional distribution
Photovoltaic plant centralized monitoring system is monitored just for single power station, but as grid-connected distributed photovoltaic gradually increases, is passed
The centralized monitoring system of system can not meet the operation management demand to large number of distributed photovoltaic power generation system in region；Separately
On the one hand, traditional monitoring management system carries out data acquisition, condition monitoring etc. just for distributed power station, and function is single, but
Regulation according to State Grid Corporation of China to the grid-connected management of distributed photovoltaic power generation, conventional monitoring systems can not meet grid company
All departments are to distributed photovoltaic business handling demand.
Therefore the demand is directed to, the present invention combines the industry of the departments such as grid company marketing, fortune inspection, production, scheduling, planning
Business management needs, and develops and possesses data acquisition, area monitoring, grid-connected management, charging supervision, the region of fortune inspection peace congruous function
Distributed photovoltaic operation management system, the system accurate and effective, the area distribution formula photovoltaic of quick management access power network, realization pair
The multi-level of photovoltaic power station, the monitoring of various dimensions operation information and grid-connected management, solve extensive distribution conscientiously in region
The technology and service problem that the access of formula photovoltaic is faced below, promote the scale of area distribution formula photovoltaic generation, standardization cooperative development.
The content of the invention
The present invention is in order to solve drawbacks described above present in prior art and deficiency, there is provided a kind of grid side area distribution
Formula photovoltaic operation management system and management method, towards province, the monitoring grid-connected to area distribution formula of city-level Utilities Electric Co. and fortune
Row regulatory requirement, data acquisition, area monitoring, grid-connected management, charging supervision, the fortune inspection for realizing area distribution formula photovoltaic are pacified
Entirely, it is difficult to solve the technology such as data fusion, operational monitoring and data analysis after current province, the large-scale distributed photovoltaic access of city-level
Topic, has perfected distributed photovoltaic management integrated system, improves horizontal distributed photovoltaic integrated management, OA operation analysis level and fortune
Row service level, improve distributed power source access efficiency, it is ensured that power grid security economical operation.
In order to solve the above technical problems, the present invention provides a kind of grid side area distribution formula photovoltaic operation management system, bag
Include data acquisition module, database, support platform and function application module；
Data acquisition module, for gathering power information, schedule information, real time information and electric power weather information, in fact
Now the data interaction with electrical network business system and mutually support provide data-interface；The data-interface on the one hand with including battalion
Sell, dispatch, operating in interior built-in system and the external system progress data interchange including weather monitoring system, to ensure
The data source of the operation management system；On the other hand realized by function application module to marketing, dispatching, runtime
Supporting role；
Database, the Various types of data information obtained for aggregated data acquisition module, establishes area distribution formula photovoltaic plant
Public database and GIS database, for the function of support platform and function application module realize data supporting is provided；
Support platform, for providing resource management platform, including internal, external network data sharing platform for operation management system,
Software building, model and data service platform, compressive classification is carried out for the Various types of data that database collects based on support platform
Management and signal filtering, and different time scales induction-arrangement is used according to different classifications, complete the storage of data and intersect inspection
Rope；
Function application module, including grid-connected management module, fortune inspection security module, metrological supervision module and area monitoring mould
Block, for realizing grid-connected management, fortune inspection safety, metrological supervision and area monitoring to area distribution formula photovoltaic, and pass through number
Shown according to the form of, chart.
Further, the grid-connected management module includes grid connection security evaluation module, electric energy quality monitoring module and grid-connected
Operational monitoring module, by carrying out grid connection security evaluation, electric energy quality monitoring to distributed photovoltaic, monitoring foundation of being incorporated into the power networks is matched somebody with somebody
Network between power network and distributed photovoltaic, and then grasp the operation conditions of distributed photovoltaic；
The grid connection security evaluation module, for the evaluation to grid connection security, lookup, prediction distributed power generation, simultaneously
The unsafe factor occurred in network process, some period is set according to customer requirement, within this time, from including electric energy matter
Evaluation index including amount, harmonic distortion, power supply and energy-conservation, generating and frequency is entered to pushing the security monitoring data to come immediately
Row collect, defect elimination, classification, security model check and correction, security model monitoring, safe result generation, ultimately generate safety evaluation report,
Evaluation for reference；
The electric energy quality monitoring module, mains frequency and quality of voltage are monitored according to national standard, monitoring refers to
Mark includes frequency departure, voltage deviation, harmonic wave, non-equilibrium among three phase voltages and voltage fluctuation and flicker；
The monitoring modular that is incorporated into the power networks, by power information acquisition terminal gather grid-connection device state, grid entry point voltage,
Electric current, active power, reactive power, generated energy and up/down net electricity, realize grid-connection device status monitoring, grid entry point voltage/frequency
Rate/power monitoring, voltage/frequency/power transfinite alarm.
Further, the fortune inspection security module includes monitoring running state module, unplanned isolated island identification module, failure point
Analyse module and fault history information inquiry module；
The monitoring running state module, generating state and distribution network line for monitor area distributed photovoltaic
Electric current, voltage, power, switch/circuit breaker state, Reflector；
The unplanned isolated island identification module, for gathering line information, detect distributed photovoltaic power generation system grid connection point
The state of higher level's breaker/switch, the unplanned isolated island of automatic identification；Isolated island regional location is automatically positioned, and is alerted in time；
The failure analysis module, for gathering fault information data, position occurs for positioning failure, trouble-shooting reason,
Nature of trouble and degree are determined, divides fault level, dynamic order is carried out to failure, so as to the higher ranked event of priority treatment
Barrier；When monitoring that photovoltaic power station breaks down, fault warning information is ejected, illustrates to include abort situation, failure original
Fault message including cause, fault level；
The fault history information inquiry module, for alarm failure and record historical events, by fault message and write
Historical data base.
Further, the metrological supervision module includes generated energy monitoring modular, stealing suspicion determination module and stealing knowledge
Other module；
The generated energy monitoring modular, for estimating the theoretical power generation of distributed photovoltaic power generation system, pass through
Data collection station collection photovoltaic generating system data carry out transfinite alarm, generated energy statistics, up/down net electricity of active power and united
Meter, photovoltaic generating system data include rated output power, DC current, DC voltage, total run time, gross generation, day
Generated energy, total dc power, total active power；
The stealing suspicion determination module, the real-time generated energy of photovoltaic plant is contrasted with theoretical power generation, if photovoltaic
The real-time generated energy in power station is more than the photovoltaic plant theoretical power generation confidential interval upper limit, according to the difference of confidential interval upper limit amount, gives
Go out different stealing suspicion coefficients, judge that power station has serious stealing suspicion, general stealing suspicion and slight stealing suspicion；When point
When cloth photovoltaic plant actual power generation is less than theoretical calculation generated energy lower limit of confidence interval, distributed photovoltaic power generation system is provided
Generating abnormality alarming is prompted；For being stored in historical data base in the absence of stealing suspicion and the abnormal data that generate electricity；
The stealing identification module, first, the electricity metering form of analysis distribution formula photovoltaic generating system, and judge photovoltaic
The stealing mode in power station, stealing mode include commercial power rectification inversion method, civil power reconfiguration method, photovoltaic gauge table boosting method, photovoltaic meter
Scale flows up method；Then, critical alarm, significant alarm and minor alarm is provided according to the different stealing suspicion of photovoltaic plant to carry
Show, and photovoltaic power station number is counted.
A kind of grid side area distribution formula photovoltaic operation management method, comprises the following steps：
Step 1, utilize the meteorological letter of data collecting module collected power information, schedule information, real time information and electric power
Breath, data-interface is provided to realize the data interaction with electrical network business system and mutually supporting；The data-interface on the one hand with
Including market, dispatch, operate in built-in system and external system including weather monitoring system carry out data interchange,
To ensure the data source of the operation management system；On the other hand realized by function application module to marketing, dispatching, running
The supporting role of system；
Step 2, the Various types of data information obtained using database aggregated data acquisition module, establishes area distribution formula light
The public database and GIS database of overhead utility, realized for the function of support platform and function application module and data supporting is provided；
Step 3, resource management platform, including internal, external network data sharing are provided for operation management system using support platform
Platform, software building, model and data service platform, integrated based on support platform for the Various types of data that database collects
Classification Management and signal filtering, and different time scales induction-arrangement is used according to different classifications, complete the storage and friendship of data
Fork retrieval；
Step 4, using function application module, grid-connected management is carried out to area distribution formula photovoltaic, fortune examines safety, metering is supervised
Superintend and direct and area monitoring, and shown by data, the form of chart, function application module includes grid-connected management module, fortune inspection peace
Full module, metrological supervision module and area monitoring module.
Further, the grid-connected management module includes grid connection security evaluation module, electric energy quality monitoring module and grid-connected
Operational monitoring module, by carrying out grid connection security evaluation, electric energy quality monitoring to distributed photovoltaic, monitoring foundation of being incorporated into the power networks is matched somebody with somebody
Network between power network and distributed photovoltaic, and then grasp the operation conditions of distributed photovoltaic；
The grid connection security evaluation module, for the evaluation to grid connection security, lookup, prediction distributed power generation, simultaneously
The unsafe factor occurred in network process, some period is set according to customer requirement, within this time, from including electric energy matter
Evaluation index including amount, harmonic distortion, power supply and energy-conservation, generating and frequency is entered to pushing the security monitoring data to come immediately
Row collect, defect elimination, classification, security model check and correction, security model monitoring, safe result generation, ultimately generate safety evaluation report,
Evaluation for reference；
The electric energy quality monitoring module, mains frequency and quality of voltage are monitored according to national standard, monitoring refers to
Mark includes frequency departure, voltage deviation, harmonic wave, non-equilibrium among three phase voltages and voltage fluctuation and flicker；
The monitoring modular that is incorporated into the power networks, by power information acquisition terminal gather grid-connection device state, grid entry point voltage,
Electric current, active power, reactive power, generated energy and up/down net electricity, realize grid-connection device status monitoring, grid entry point voltage/frequency
Rate/power monitoring, voltage/frequency/power transfinite alarm.
Further, the fortune inspection security module includes monitoring running state module, unplanned isolated island identification module, failure point
Analyse module and fault history information inquiry module；
The monitoring running state module, generating state and distribution network line for monitor area distributed photovoltaic
Electric current, voltage, power, switch/circuit breaker state, Reflector；
The unplanned isolated island identification module, for gathering line information, detect distributed photovoltaic power generation system grid connection point
The state of higher level's breaker/switch, the unplanned isolated island of automatic identification；Isolated island regional location is automatically positioned, and is alerted in time；
The failure analysis module, for gathering fault information data, position occurs for positioning failure, trouble-shooting reason,
Nature of trouble and degree are determined, divides fault level, dynamic order is carried out to failure, so as to the higher ranked event of priority treatment
Barrier；When monitoring that photovoltaic power station breaks down, fault warning information is ejected, illustrates to include abort situation, failure original
Fault message including cause, fault level；
The fault history information inquiry module, for alarm failure and record historical events, by fault message and write
Historical data base.
Further, the metrological supervision module includes generated energy monitoring modular, stealing suspicion determination module and stealing knowledge
Other module；
The generated energy monitoring modular, for estimating the theoretical power generation of distributed photovoltaic power generation system, pass through
Data collection station collection photovoltaic generating system data carry out transfinite alarm, generated energy statistics, up/down net electricity of active power and united
Meter, photovoltaic generating system data include rated output power, DC current, DC voltage, total run time, gross generation, day
Generated energy, total dc power, total active power；
The stealing suspicion determination module, the real-time generated energy of photovoltaic plant is contrasted with theoretical power generation, if photovoltaic
The real-time generated energy in power station is more than the photovoltaic plant theoretical power generation confidential interval upper limit, according to the difference of confidential interval upper limit amount, gives
Go out different stealing suspicion coefficients, judge that power station has serious stealing suspicion, general stealing suspicion and slight stealing suspicion；When point
When cloth photovoltaic plant actual power generation is less than theoretical calculation generated energy lower limit of confidence interval, distributed photovoltaic power generation system is provided
Generating abnormality alarming is prompted；For being stored in historical data base in the absence of stealing suspicion and the abnormal data that generate electricity；
The stealing identification module, first, the electricity metering form of analysis distribution formula photovoltaic generating system, and judge photovoltaic
The stealing mode in power station, stealing mode include commercial power rectification inversion method, civil power reconfiguration method, photovoltaic gauge table boosting method, photovoltaic meter
Scale flows up method；Then, critical alarm, significant alarm and minor alarm is provided according to the different stealing suspicion of photovoltaic plant to carry
Show, and photovoltaic power station number is counted.
The advantageous effects that the present invention is reached：
（1）The area distribution formula photovoltaic operation management system of grid side, towards province, city-level Utilities Electric Co. to area distribution formula
Grid-connected monitoring and operational management demand, using data acquisition and system platform as support, realize large-scale distributed photovoltaic
Grid-connected management, fortune inspection safety, metrological supervision, the function such as area monitoring, perfected management means of the power network to distributed photovoltaic,
Improve power network and integrated management level is transported to distributed photovoltaic, it is ensured that power grid security economical operation.
（2）The area distribution formula photovoltaic operation management system of grid side, can be effectively to the area distribution formula of access power network
Photovoltaic safe operation carries out classified estimation, for instructing power grid operation personnel to regulate and control power station.
（3）The area distribution formula photovoltaic operation management system of grid side, carry out distributed photovoltaic electric quantity monitoring and estimation, energy
It is enough that stealing suspicion and electricity stealing are effectively assessed and identified, provide reference frame for grid company electricity metering, inspection.
（4）The area distribution formula photovoltaic operation management system of grid side, the distributed photovoltaic in whole region can be transported
Row failure is analyzed, and the distributed photovoltaic overall operation situation of company of monitoring prefectures and cities, protects power network and personal security.
（5）The area distribution formula photovoltaic operation management system of grid side, can effectively integrate the distributed light between each system
Service data information is lied prostrate, accurately and reliably data source is provided for follow-up function exploitation.
Brief description of the drawings
The area distribution formula photovoltaic operation management system structured flowchart of Fig. 1 present invention；
The grid-connected management module comprising modules schematic diagram of Fig. 2 present invention；
The fortune inspection security module comprising modules schematic diagram of Fig. 3 present invention；
The metrological supervision module comprising modules schematic diagram of Fig. 4 present invention.
Embodiment
In order to be better understood by technical characteristic, technology contents and its technique effect reached of the present invention, now this is sent out
Bright accompanying drawing is described in detail in conjunction with the embodiments.
Patent of the present invention is further illustrated with reference to the accompanying drawings and examples.
As Figure 1-4, the present invention provides a kind of grid side area distribution formula photovoltaic operation management system, including data are adopted
Collect module, database, support platform and function application module；
Data acquisition module, for gathering power information, schedule information, real time information and electric power weather information, in fact
Now the data interaction with electrical network business system and mutually support provide data-interface；The data-interface on the one hand with including battalion
Sell, dispatch, operating in interior built-in system and the external system progress data interchange including weather monitoring system, to ensure
The data source of the operation management system；On the other hand realized by function application module to marketing, dispatching, runtime
Supporting role；
Database, the Various types of data information obtained for aggregated data acquisition module, establishes area distribution formula photovoltaic plant
Public database and GIS database, for the function of support platform and function application module realize data supporting is provided；
Support platform, for providing resource management platform, including internal, external network data sharing platform for operation management system,
Software building, model and data service platform, compressive classification is carried out for the Various types of data that database collects based on support platform
Management and signal filtering, and different time scales induction-arrangement is used according to different classifications, complete the storage of data and intersect inspection
Rope；
Function application module, including grid-connected management module, fortune inspection security module, metrological supervision module and area monitoring mould
Block, for realizing grid-connected management, fortune inspection safety, metrological supervision and area monitoring to area distribution formula photovoltaic, and pass through number
Shown according to the form of, chart.
The grid-connected management module includes grid connection security evaluation module, electric energy quality monitoring module and monitoring of being incorporated into the power networks
Module, by establishing power distribution network with dividing to the evaluation of distributed photovoltaic progress grid connection security, electric energy quality monitoring, monitoring of being incorporated into the power networks
Network between cloth photovoltaic, and then grasp the operation conditions of distributed photovoltaic；
The grid connection security evaluation module, for the evaluation to grid connection security, lookup, prediction distributed power generation, simultaneously
The unsafe factor occurred in network process, some period is set according to customer requirement, within this time, from including electric energy matter
Evaluation index including amount, harmonic distortion, power supply and energy-conservation, generating and frequency is entered to pushing the security monitoring data to come immediately
Row collect, defect elimination, classification, security model check and correction, security model monitoring, safe result generation, ultimately generate safety evaluation report,
Evaluation for reference；
The electric energy quality monitoring module, mains frequency and quality of voltage are monitored according to national standard, monitoring refers to
Mark includes frequency departure, voltage deviation, harmonic wave, non-equilibrium among three phase voltages and voltage fluctuation and flicker；
The monitoring modular that is incorporated into the power networks, by power information acquisition terminal gather grid-connection device state, grid entry point voltage,
Electric current, active power, reactive power, generated energy and up/down net electricity, realize grid-connection device status monitoring, grid entry point voltage/frequency
Rate/power monitoring, voltage/frequency/power transfinite alarm.
The fortune inspection security module includes monitoring running state module, unplanned isolated island identification module, failure analysis module
And fault history information inquiry module；
The monitoring running state module, generating state and distribution network line for monitor area distributed photovoltaic
Electric current, voltage, power, switch/circuit breaker state, Reflector；
The unplanned isolated island identification module, for gathering line information, detect distributed photovoltaic power generation system grid connection point
The state of higher level's breaker/switch, the unplanned isolated island of automatic identification；Isolated island regional location is automatically positioned, and is alerted in time；
The failure analysis module, for gathering fault information data, position occurs for positioning failure, trouble-shooting reason,
Nature of trouble and degree are determined, divides fault level, dynamic order is carried out to failure, so as to the higher ranked event of priority treatment
Barrier；When monitoring that photovoltaic power station breaks down, fault warning information is ejected, illustrates to include abort situation, failure original
Fault message including cause, fault level；
The fault history information inquiry module, for alarm failure and record historical events, by fault message and write
Historical data base.
The metrological supervision module includes generated energy monitoring modular, stealing suspicion determination module and stealing identification module；
The generated energy monitoring modular, for estimating the theoretical power generation of distributed photovoltaic power generation system, pass through
Data collection station collection photovoltaic generating system data carry out transfinite alarm, generated energy statistics, up/down net electricity of active power and united
Meter, photovoltaic generating system data include rated output power, DC current, DC voltage, total run time, gross generation, day
Generated energy, total dc power, total active power；
The stealing suspicion determination module, the real-time generated energy of photovoltaic plant is contrasted with theoretical power generation, if photovoltaic
The real-time generated energy in power station is more than the photovoltaic plant theoretical power generation confidential interval upper limit, according to the difference of confidential interval upper limit amount, gives
Go out different stealing suspicion coefficients, judge that power station has serious stealing suspicion, general stealing suspicion and slight stealing suspicion；When point
When cloth photovoltaic plant actual power generation is less than theoretical calculation generated energy lower limit of confidence interval, distributed photovoltaic power generation system is provided
Generating abnormality alarming is prompted；For being stored in historical data base in the absence of stealing suspicion and the abnormal data that generate electricity；
The stealing identification module, first, the electricity metering form of analysis distribution formula photovoltaic generating system, and judge photovoltaic
The stealing mode in power station, stealing mode include commercial power rectification inversion method, civil power reconfiguration method, photovoltaic gauge table boosting method, photovoltaic meter
Scale flows up method；Then, critical alarm, significant alarm and minor alarm is provided according to the different stealing suspicion of photovoltaic plant to carry
Show, and photovoltaic power station number is counted.
A kind of grid side area distribution formula photovoltaic operation management method, comprises the following steps：
Step 1, utilize the meteorological letter of data collecting module collected power information, schedule information, real time information and electric power
Breath, data-interface is provided to realize the data interaction with electrical network business system and mutually supporting；The data-interface on the one hand with
Including market, dispatch, operate in built-in system and external system including weather monitoring system carry out data interchange,
To ensure the data source of the operation management system；On the other hand realized by function application module to marketing, dispatching, running
The supporting role of system；
Step 2, the Various types of data information obtained using database aggregated data acquisition module, establishes area distribution formula light
The public database and GIS database of overhead utility, realized for the function of support platform and function application module and data supporting is provided；
Step 3, resource management platform, including internal, external network data sharing are provided for operation management system using support platform
Platform, software building, model and data service platform, integrated based on support platform for the Various types of data that database collects
Classification Management and signal filtering, and different time scales induction-arrangement is used according to different classifications, complete the storage and friendship of data
Fork retrieval；
Step 4, using function application module, grid-connected management is carried out to area distribution formula photovoltaic, fortune examines safety, metering is supervised
Superintend and direct and area monitoring, and shown by data, the form of chart, function application module includes grid-connected management module, fortune inspection peace
Full module, metrological supervision module and area monitoring module.
Wherein, in step 4, the grid-connected management module include grid connection security evaluation module, electric energy quality monitoring module with
And the monitoring modular that is incorporated into the power networks, by carrying out grid connection security evaluation, electric energy quality monitoring, monitoring of being incorporated into the power networks to distributed photovoltaic
The network established between power distribution network and distributed photovoltaic, and then grasp the operation conditions of distributed photovoltaic；
The grid connection security evaluation module, for the evaluation to grid connection security, lookup, prediction distributed power generation, simultaneously
The unsafe factor occurred in network process, some period is set according to customer requirement, within this time, from including electric energy matter
Evaluation index including amount, harmonic distortion, power supply and energy-conservation, generating and frequency is entered to pushing the security monitoring data to come immediately
Row collect, defect elimination, classification, security model check and correction, security model monitoring, safe result generation, ultimately generate safety evaluation report,
Evaluation for reference；
The electric energy quality monitoring module, mains frequency and quality of voltage are monitored according to national standard, monitoring refers to
Mark includes frequency departure, voltage deviation, harmonic wave, non-equilibrium among three phase voltages and voltage fluctuation and flicker；
The monitoring modular that is incorporated into the power networks, by power information acquisition terminal gather grid-connection device state, grid entry point voltage,
Electric current, active power, reactive power, generated energy and up/down net electricity, realize grid-connection device status monitoring, grid entry point voltage/frequency
Rate/power monitoring, voltage/frequency/power transfinite alarm.
The fortune inspection security module includes monitoring running state module, unplanned isolated island identification module, failure analysis module
And fault history information inquiry module；
The monitoring running state module, generating state and distribution network line for monitor area distributed photovoltaic
Electric current, voltage, power, switch/circuit breaker state, Reflector；
The unplanned isolated island identification module, for gathering line information, detect distributed photovoltaic power generation system grid connection point
The state of higher level's breaker/switch, the unplanned isolated island of automatic identification；Isolated island regional location is automatically positioned, and is alerted in time；
The failure analysis module, for gathering fault information data, position occurs for positioning failure, trouble-shooting reason,
Nature of trouble and degree are determined, divides fault level, dynamic order is carried out to failure, so as to the higher ranked event of priority treatment
Barrier；When monitoring that photovoltaic power station breaks down, fault warning information is ejected, illustrates to include abort situation, failure original
Fault message including cause, fault level；
The fault history information inquiry module, for alarm failure and record historical events, by fault message and write
Historical data base.
The metrological supervision module includes generated energy monitoring modular, stealing suspicion determination module and stealing identification module；
The generated energy monitoring modular, for estimating the theoretical power generation of distributed photovoltaic power generation system, pass through
Data collection station collection photovoltaic generating system data carry out transfinite alarm, generated energy statistics, up/down net electricity of active power and united
Meter, photovoltaic generating system data include rated output power, DC current, DC voltage, total run time, gross generation, day
Generated energy, total dc power, total active power；
The stealing suspicion determination module, the real-time generated energy of photovoltaic plant is contrasted with theoretical power generation, if photovoltaic
The real-time generated energy in power station is more than the photovoltaic plant theoretical power generation confidential interval upper limit, according to the difference of confidential interval upper limit amount, gives
Go out different stealing suspicion coefficients, judge that power station has serious stealing suspicion, general stealing suspicion and slight stealing suspicion；When point
When cloth photovoltaic plant actual power generation is less than theoretical calculation generated energy lower limit of confidence interval, distributed photovoltaic power generation system is provided
Generating abnormality alarming is prompted；For being stored in historical data base in the absence of stealing suspicion and the abnormal data that generate electricity；
The stealing identification module, first, the electricity metering form of analysis distribution formula photovoltaic generating system, and judge photovoltaic
The stealing mode in power station, stealing mode include commercial power rectification inversion method, civil power reconfiguration method, photovoltaic gauge table boosting method, photovoltaic meter
Scale flows up method；Then, critical alarm, significant alarm and minor alarm is provided according to the different stealing suspicion of photovoltaic plant to carry
Show, and photovoltaic power station number is counted.
The present invention is disclosed with preferred embodiment above, so it is not intended to limiting the invention, all to take equivalent substitution
Or the technical scheme that the scheme of equivalent transformation is obtained, all fall within protection scope of the present invention.
Claims (6)
- A kind of 1. grid side area distribution formula photovoltaic operation management system, it is characterised in that：Including data acquisition module, data Storehouse, support platform and function application module；Data acquisition module, for gathering power information, schedule information, real time information and electric power weather information, for realize with The data interaction of electrical network business system and mutually support provide data-interface；The data-interface on the one hand with including marketing, adjusting Spend, operate in interior built-in system and the external system progress data interchange including weather monitoring system, with described in guarantee The data source of operation management system；On the other hand realized by function application module to marketing, dispatching, the support of runtime Effect；Database, the Various types of data information obtained for aggregated data acquisition module, establish the public affairs of area distribution formula photovoltaic plant Database and GIS database altogether, realized for the function of support platform and function application module and data supporting is provided；Support platform, for providing resource management platform, including internal, external network data sharing platform, software for operation management system Structure, model and data service platform, compressive classification management is carried out for the Various types of data that database collects based on support platform Filtered with signal, and different time scales induction-arrangement is used according to different classifications, complete storage and the cross-searching of data；Function application module, including grid-connected management module, fortune inspection security module, metrological supervision module and area monitoring module, For realizing grid-connected management to area distribution formula photovoltaic, fortune inspection safety, metrological supervision and area monitoring, and by data, The form displaying of chart；The grid-connected management module includes grid connection security evaluation module, electric energy quality monitoring module and the monitoring mould that is incorporated into the power networks Block, by establishing power distribution network and distribution to the evaluation of distributed photovoltaic progress grid connection security, electric energy quality monitoring, monitoring of being incorporated into the power networks Network between formula photovoltaic, and then grasp the operation conditions of distributed photovoltaic；The grid connection security evaluation module, for the evaluation to grid connection security, lookup, prediction distributed power generation, grid-connected mistake The unsafe factor occurred in journey, some period is set according to customer requirement, within this time, from including the quality of power supply, Evaluation index including harmonic distortion, power supply and energy-conservation, generating and frequency is carried out to pushing the security monitoring data to come immediately Collect, defect elimination, classification, security model check and correction, security model monitoring, safe result generation, ultimately generate safety evaluation report, supply User is with reference to evaluation；The electric energy quality monitoring module, mains frequency and quality of voltage are monitored according to national standard, monitoring index bag Include frequency departure, voltage deviation, harmonic wave, non-equilibrium among three phase voltages and voltage fluctuation and flicker；The monitoring modular that is incorporated into the power networks, grid-connection device state, grid entry point voltage, electricity are gathered by power information acquisition terminal Stream, active power, reactive power, generated energy and up/down net electricity, realize grid-connection device status monitoring, grid entry point voltage/frequency Rate/power monitoring, voltage/frequency/power transfinite alarm.
- 2. grid side area distribution formula photovoltaic operation management system according to claim 1, it is characterised in that：The fortune inspection Security module includes monitoring running state module, unplanned isolated island identification module, failure analysis module and fault history information Enquiry module；The monitoring running state module, for the generating state of monitor area distributed photovoltaic and the electricity of distribution network line Stream, voltage, power, switch/circuit breaker state, Reflector；The unplanned isolated island identification module, for gathering line information, detect distributed photovoltaic power generation system grid connection point higher level The state of breaker/switch, the unplanned isolated island of automatic identification；Isolated island regional location is automatically positioned, and is alerted in time；The failure analysis module, for gathering fault information data, position occurs for positioning failure, trouble-shooting reason, it is determined that Nature of trouble and degree, fault level is divided, dynamic order is carried out to failure, so as to the higher ranked failure of priority treatment； When monitoring that photovoltaic power station breaks down, fault warning information is ejected, illustrates to include abort situation, failure cause, event Hinder the fault message including grade；The fault history information inquiry module, for alarm failure and record historical events, by fault message and write history Database.
- 3. grid side area distribution formula photovoltaic operation management system according to claim 1, it is characterised in that：The metering Supervision module includes generated energy monitoring modular, stealing suspicion determination module and stealing identification module；The generated energy monitoring modular, for estimating the theoretical power generation of distributed photovoltaic power generation system, pass through data Acquisition terminal collection photovoltaic generating system data carry out transfinite alarm, generated energy statistics, up/down net electricity of active power and counted, Photovoltaic generating system data include rated output power, DC current, DC voltage, total run time, gross generation, day generating Amount, total dc power, total active power；The stealing suspicion determination module, the real-time generated energy of photovoltaic plant is contrasted with theoretical power generation, if photovoltaic plant Real-time generated energy is more than the photovoltaic plant theoretical power generation confidential interval upper limit, according to the difference of confidential interval upper limit amount, provides not Same stealing suspicion coefficient, judge that power station has serious stealing suspicion, general stealing suspicion and slight stealing suspicion；Work as distribution When photovoltaic plant actual power generation is less than theoretical calculation generated energy lower limit of confidence interval, the generating of distributed photovoltaic power generation system is provided Abnormality alarming is prompted；For being stored in historical data base in the absence of stealing suspicion and the abnormal data that generate electricity；The stealing identification module, first, the electricity metering form of analysis distribution formula photovoltaic generating system, and judge photovoltaic plant Stealing mode, stealing mode include commercial power rectification inversion method, civil power reconfiguration method, photovoltaic gauge table boosting method, photovoltaic gauge table Up-flow method；Then, critical alarm, significant alarm and minor alarm is provided according to the different stealing suspicion of photovoltaic plant to prompt, and Photovoltaic power station number is counted.
- A kind of 4. grid side area distribution formula photovoltaic operation management method, it is characterised in that：Comprise the following steps：Step 1, using data collecting module collected power information, schedule information, real time information and electric power weather information, it is Realize that the data interaction with electrical network business system and mutually support provide data-interface；The data-interface on the one hand with including battalion Sell, dispatch, operating in interior built-in system and the external system progress data interchange including weather monitoring system, to ensure The data source of the operation management system；On the other hand realized by function application module to marketing, dispatching, runtime Supporting role；Step 2, the Various types of data information obtained using database aggregated data acquisition module, establishes area distribution formula photovoltaic electric The public database and GIS database stood, realized for the function of support platform and function application module and data supporting is provided；Step 3, resource management platform is provided for operation management system using support platform, including internal, external network data sharing is put down Platform, software building, model and data service platform, total score is carried out for the Various types of data that database collects based on support platform Class management and signal filtering, and different time scales induction-arrangement is used according to different classifications, complete storage and the intersection of data Retrieval；Step 4, using function application module, area distribution formula photovoltaic is carried out grid-connected management, fortune inspection safety, metrological supervision with And area monitoring, and shown by data, the form of chart, function application module includes grid-connected management module, fortune examines safe mould Block, metrological supervision module and area monitoring module；The grid-connected management module includes grid connection security evaluation module, electric energy quality monitoring module and the monitoring mould that is incorporated into the power networks Block, by establishing power distribution network and distribution to the evaluation of distributed photovoltaic progress grid connection security, electric energy quality monitoring, monitoring of being incorporated into the power networks Network between formula photovoltaic, and then grasp the operation conditions of distributed photovoltaic；The grid connection security evaluation module, for the evaluation to grid connection security, lookup, prediction distributed power generation, grid-connected mistake The unsafe factor occurred in journey, some period is set according to customer requirement, within this time, from including the quality of power supply, Evaluation index including harmonic distortion, power supply and energy-conservation, generating and frequency is carried out to pushing the security monitoring data to come immediately Collect, defect elimination, classification, security model check and correction, security model monitoring, safe result generation, ultimately generate safety evaluation report, supply User is with reference to evaluation；The electric energy quality monitoring module, mains frequency and quality of voltage are monitored according to national standard, monitoring index bag Include frequency departure, voltage deviation, harmonic wave, non-equilibrium among three phase voltages and voltage fluctuation and flicker；The monitoring modular that is incorporated into the power networks, grid-connection device state, grid entry point voltage, electricity are gathered by power information acquisition terminal Stream, active power, reactive power, generated energy and up/down net electricity, realize grid-connection device status monitoring, grid entry point voltage/frequency Rate/power monitoring, voltage/frequency/power transfinite alarm.
- 5. grid side area distribution formula photovoltaic operation management method according to claim 4, it is characterised in that：The fortune inspection Security module includes monitoring running state module, unplanned isolated island identification module, failure analysis module and fault history information Enquiry module；The monitoring running state module, for the generating state of monitor area distributed photovoltaic and the electricity of distribution network line Stream, voltage, power, switch/circuit breaker state, Reflector；The unplanned isolated island identification module, for gathering line information, detect distributed photovoltaic power generation system grid connection point higher level The state of breaker/switch, the unplanned isolated island of automatic identification；Isolated island regional location is automatically positioned, and is alerted in time；The failure analysis module, for gathering fault information data, position occurs for positioning failure, trouble-shooting reason, it is determined that Nature of trouble and degree, fault level is divided, dynamic order is carried out to failure, so as to the higher ranked failure of priority treatment； When monitoring that photovoltaic power station breaks down, fault warning information is ejected, illustrates to include abort situation, failure cause, event Hinder the fault message including grade；The fault history information inquiry module, for alarm failure and record historical events, by fault message and write history Database.
- 6. grid side area distribution formula photovoltaic operation management method according to claim 4, it is characterised in that：The metering Supervision module includes generated energy monitoring modular, stealing suspicion determination module and stealing identification module；The generated energy monitoring modular, for estimating the theoretical power generation of distributed photovoltaic power generation system, pass through data Acquisition terminal collection photovoltaic generating system data carry out transfinite alarm, generated energy statistics, up/down net electricity of active power and counted, Photovoltaic generating system data include rated output power, DC current, DC voltage, total run time, gross generation, day generating Amount, total dc power, total active power；The stealing suspicion determination module, the real-time generated energy of photovoltaic plant is contrasted with theoretical power generation, if photovoltaic plant Real-time generated energy is more than the photovoltaic plant theoretical power generation confidential interval upper limit, according to the difference of confidential interval upper limit amount, provides not Same stealing suspicion coefficient, judge that power station has serious stealing suspicion, general stealing suspicion and slight stealing suspicion；Work as distribution When photovoltaic plant actual power generation is less than theoretical calculation generated energy lower limit of confidence interval, the generating of distributed photovoltaic power generation system is provided Abnormality alarming is prompted；For being stored in historical data base in the absence of stealing suspicion and the abnormal data that generate electricity；The stealing identification module, first, the electricity metering form of analysis distribution formula photovoltaic generating system, and judge photovoltaic plant Stealing mode, stealing mode include commercial power rectification inversion method, civil power reconfiguration method, photovoltaic gauge table boosting method, photovoltaic gauge table Up-flow method；Then, critical alarm, significant alarm and minor alarm is provided according to the different stealing suspicion of photovoltaic plant to prompt, and Photovoltaic power station number is counted.
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