CN109412200A - A kind of access control system of renewable energy power generation - Google Patents
A kind of access control system of renewable energy power generation Download PDFInfo
- Publication number
- CN109412200A CN109412200A CN201811243432.XA CN201811243432A CN109412200A CN 109412200 A CN109412200 A CN 109412200A CN 201811243432 A CN201811243432 A CN 201811243432A CN 109412200 A CN109412200 A CN 109412200A
- Authority
- CN
- China
- Prior art keywords
- data
- module
- unit
- power generation
- generation unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 188
- 230000005611 electricity Effects 0.000 claims abstract description 95
- 238000007405 data analysis Methods 0.000 claims abstract description 24
- 238000004088 simulation Methods 0.000 claims description 43
- 238000012545 processing Methods 0.000 claims description 30
- 238000004458 analytical method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H02J3/383—
-
- H02J3/386—
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
-
- 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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of access control systems of renewable energy power generation, including controller, data cache module, data analysis module, display module, data acquisition module, PLC control unit, electricity generation system and data analog system；Wherein, the controller communicates to connect data cache module, the data cache module communicates to connect data analysis module, the data analysis module communicates to connect controller, and the controller communicates to connect display module, and the controller communicates to connect data analog system, the controller communicates to connect PLC control unit, the PLC control unit communicates to connect electricity generation system, and the electricity generation system communicates to connect data acquisition module, and the data acquisition module communicates to connect controller.The invention is adequately utilized wind-power electricity generation and photovoltaic power generation, and daily electricity consumption is avoided all to rely on the state of thermal power generation, saves the consumption of the energy, is reduced the cost of power generation, is protected the environment from pollution, more environmentally-friendly.
Description
Technical field
The invention belongs to electricity generation system fields, are related to a kind of access control system of renewable energy power generation, specifically one
The access control system of kind renewable energy power generation.
Background technique
Photovoltaic power generation is the photovoltaic effect using interface and luminous energy is directly translated into a kind of skill of electric energy
Art.It is mainly made of solar panel (component), controller and inverter three parts, main component is by electronic component structure
At.Solar battery carries out packaging protection after series connection can form the solar module of large area, then matches and close power control
The components such as device processed are formed photovoltaic power generation apparatus.The kinetic energy that wind-power electricity generation is kept watch is transformed into mechanical kinetic energy, then mechanical energy is turned
Turn to electric power kinetic energy.The principle of wind-power electricity generation is to drive air vane to rotate using wind-force, then penetrate booster engine for the speed of rotation
Degree is promoted, to promote electrical power generators.According to current windmill technology, three meters about per second of the gentle breeze speed (journey of gentle breeze
Degree), it can start to generate electricity.Wind-power electricity generation just forms one upsurge in the world, because wind-power electricity generation is not needed using fuel,
Radiation or air pollution will not be generated.Existing power grid power supply is most of to use thermal power generation, consumes a large amount of fossil energy,
It pollutes the environment.
Existing grid control system cannot freely be switched thermal power generation and photovoltaic power generation and wind-power electricity generation,
The start and stop that thermal power generation cannot be controlled according to the generated energy of thermal power generation and photovoltaic power generation and wind power generation plant, cannot be real-time
Control power grid electricity consumption it is normal, the continual use of thermal power generation installation causes the consumption of the energy, the pollution of environment, power generation
It is at high cost.
Summary of the invention
The purpose of the present invention is to provide a kind of access control systems of renewable energy power generation.
The technical problems to be solved by the invention are as follows:
(1) wind power generation unit and photovoltaic generation unit are linked into network system at what point in time；
(2) how to judge the accuracy of turn-on time point, stop the work of thermal power generation unit at what point in time, save
The consumption of the energy；
(3) need that can meet power grid electricity consumption of wind power generation unit and photovoltaic generation unit how are determined in real time
It asks.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of access control system of renewable energy power generation, including controller, data cache module, data analyze mould
Block, display module, data acquisition module, PLC control unit, electricity generation system and data analog system；
Wherein, the controller communicates to connect data cache module, the data cache module communication connection data analysis
Module, the data analysis module communicate to connect controller, and the controller communicates to connect display module, the controller communication
Data analog system is connected, the controller communicates to connect PLC control unit, the PLC control unit communication connection power generation system
System, the electricity generation system communicate to connect data acquisition module, and the data acquisition module communicates to connect controller；
The controller, the data that acquisition module, data analog system and data analysis module issue for receiving data,
And judgement is compared with preset value for data, it receives three kinds of generator units and issues the data of electricity greater than preset value, starting number
It is run according to simulation system, and transmits data to data cache module, data analog system, PLC control unit and display module；
The data cache module for receiving the data-signal of controller sending, and data is stored, and finally will
Data-signal is sent to data analysis module；
The data analysis module, the data that cache module issues for receiving data, and analysis conversion is carried out to data,
Data result after analysis conversion is transported to controller；
The data acquisition module, for acquiring wind power generation unit, thermal power generation unit and photovoltaic inside electricity generation system
The electricity issued in the unit time in generator unit three kinds of generator units work, and by the generated energy data transmission of acquisition to controlling
Device；
The PLC control unit changes wind power generation unit, fire according to instruction for receiving the instruction of controller sending
The working condition of power generator unit and the access of photovoltaic generation unit and power grid；
The electricity generation system is generated electricity for daily power generation using wind-force, firepower and photovoltaic, by the electricity of sending
It is transported to power grid, the electricity generation system includes wind power generation unit, thermal power generation unit, photovoltaic generation unit and backup power source list
Member；
Wherein, the wind power generation unit and photovoltaic generation unit are generated electricity using reproducible wind-force and luminous energy, fire
Power generator unit is generated electricity using firepower, by the power Transmission of sending into power grid, the standby power unit, for being electric
During net provides spare electric power, wind power generation unit and photovoltaic generation unit and thermal power generation cell translation, backup power source
Unit transmits electric power for power grid；
The data analog system, for simulate photovoltaic generation unit and wind power generation unit under various circumstances unit when
The electricity of sending is acquired and is transported to controller and is compared with preset value by the electricity of interior sending, the digital simulation
System includes auxiliary PLC control unit, simulating wind power generation module, simulation photovoltaic generating module, electricity statistic unit, data
Processing module, weather acquisition module and generating dutation estimate module；
Wherein, the auxiliary PLC control unit, for receiving the data-signal of controller sending, according to signal enabling mould
Quasi- wind power generation module and simulation photovoltaic generating module；
The simulating wind power generation module and simulation photovoltaic generating module and wind power generation unit and photovoltaic generation unit are pacified
It is fitted together, simulates varying environment apparatus for lower wind generator unit and photovoltaic generation unit generating state；
The electricity statistic unit, for detecting in simulating wind power generation module and simulation photovoltaic generating module unit time
The electricity of sending, and the data that will test are transported to data processing module, the data processing module will convey after Data Integration
To controller；
The weather acquisition module, for acquiring actual wind in wind power generation unit and photovoltaic generation unit operational process
Power and intensity of illumination, and the data transmission of acquisition to generating dutation is estimated into module, generating dutation estimates module based on the received
Data estimate out wind power generation unit and photovoltaic generation unit can reach the duration of power demands, and the time that will be estimated out
Data transmission is to data processing module；
The specific steps of the data collecting module collected data and controller control log-on data simulation system are as follows:
Step 1: the data acquisition module by the electricity W1 issued in the collected wind power generation unit unit time and
The electricity W2 that issues in the photovoltaic generation unit unit time and both the aggregate data W3 that generates electricity in the unit time, by data W1,
W2 and W3 are transmitted to controller；
Step 2: the controller compares data W1, W2 and W3 of acquisition and preset electricity data value P, and P is
Power grid is able to satisfy the numerical value of normal power supply demand, when any one in W1, W2, W3 is more than or equal to P, controller log-on data mould
Quasi- system；
Step 3: the controller is stored data by data cache module, and data cache module will count
According to data analysis module is transmitted to, data analysis module carries out analysis to data and is converted into control signal, by control signal transmission
To controller；
The specific steps of the data analog system work are as follows:
Step 1: received control signal is transmitted to auxiliary PLC control unit, the auxiliary PLC control by the controller
Unit processed starts simulation wind according to control signal enabling simulating wind power generation module or simulation photovoltaic generating module or simultaneously
Power electricity generation module and simulation photovoltaic generating module work；
Step 2: the simulating wind power generation module and simulation photovoltaic generating module are in wind power generation unit and photovoltaic power generation
Power generation operation, unit in setting simulating wind power generation module and simulation photovoltaic generating module work are carried out under the identical environment of unit
The charge value generated in time is respectively X1 and X2, and the summation of generated energy is X3 in the two unit time；
Step 3: generated energy X1, X2 and X3 in the electricity statistic unit statistical unit time, and by X1, X2 and X3
It is transmitted to data processing module；
Step 4: X1, X2 and X3 are compared processing by the data processing module, and the result of processing is transmitted to control
The process of device processed, processing is as follows:
S1: by simulating wind power generation module and simulation photovoltaic generating module generating efficiency be set as wind power generation unit and
The 1/n of photovoltaic generation unit generating efficiency；
S2: P/n and X1, X2 and X3 are compared；
S3: when P/n be less than or equal to X1, X2, X3 in any one when, show that the data of data collecting module collected are accurate,
Wind power generation unit and photovoltaic generation unit any one or both the generated energy of summation can satisfy the demand of power grid electricity consumption,
Transfer data to controller；
The generating dutation estimates the specific steps of module estimated time are as follows:
Step 1: weather acquisition module acquires actual wind-force in wind power generation unit and photovoltaic generation unit operational process
Y, intensity of illumination Z and weather conditions duration T；
Step 2: weather acquisition module is defeated by wind-force wind-force Y, the intensity of illumination Z and weather conditions duration T of acquisition
It is sent to generating dutation and estimates module；
S1: setting the generating capacity of simulation photovoltaic generating module as A, set the generating capacity of simulating wind power generation module as
B, X1=B*Z*t, X2=A*Y*t, X3=B*Z*t+A*Y*t, t are the unit time of setting；
S2: generating dutation estimates module and compares P/n and X1, X2 and X3, when P/n is less than or equal to appoint in X1, X2, X3
Anticipate one when, wind power generation unit and photovoltaic generation unit and can be the when a length of T that power grid is powered, when X1, X2 and X3 are all small
When P/n, wind power generation unit and photovoltaic generation unit cannot power for power grid, be the T of power grid powers duration be 0；
S3: generating dutation estimates module and the time T estimated is transmitted to data processing module, and then is transmitted to controller.
Preferably, the controller is issued to PLC control unit according to the analog result that data analog system obtains and is instructed,
When result meets power grid power demand, PLC control unit controls thermal power generation unit and stops power generation, by wind power generation unit and
Photovoltaic generation unit and power grid access；When result is unsatisfactory for power grid demand, PLC control unit controls thermal power generation unit and carries out
Wind power generation unit and photovoltaic generation unit and power grid are detached from by power generation, and PLC control unit is according to the time T and power supply estimated
Duration it is equal when, wind power generation unit and photovoltaic generation unit and power grid are detached from.
Preferably, the display module utilizes display screen for receiving the data issued in controller work, and by data
It shows.
Preferably, the data acquisition module can also be used to acquire power generation in different time periods in thermal power generation cell operation
Amount, is transmitted to controller for generated energy in different time periods, controller sets different P values according to different time sections.
Preferably, when the wind power generation unit and photovoltaic generation unit access network operation, data analog system is followed
Synchronous working, simulates the generated energy of wind power generation unit and photovoltaic generation unit in real time, is compared with preset value, will count
It is believed that number passing to controller, when being unsatisfactory for power grid power demand, controller controls wind power generation unit and photovoltaic power generation list
Member is detached from power grid, and the work of thermal power generation unit starting when wind power generation unit and photovoltaic generation unit and power grid access, simultaneously will
Backup power source and power grid access, and when wind power generation unit and photovoltaic generation unit and Fire Unit switch over, backup power source is
Power grid power supply.
Beneficial effects of the present invention:
(1) present invention can collect wind power generation unit and photovoltaic generation unit by data acquisition module first in real time
Generated energy within the unit time, and generated energy is transported in controller, controller are expired with setting according to the collected data
The numerical value that sufficient power grid uses is compared, and then wind power generation unit and photovoltaic generation unit and power grid are accessed, and is controlled by PLC
Unit processed closes thermal power generation unit.Wind-power electricity generation and photovoltaic power generation are adequately utilized, avoid daily electricity consumption all according to
By the state of thermal power generation, the consumption of the energy is saved, the cost of power generation is reduced, protects the environment from pollution, it is more environmentally-friendly.
(2) present invention is detected by data of the data analog system to data collecting module collected simultaneously, utilizes mould
Quasi- wind power generation module is placed in work identical with wind power generation unit and photovoltaic generation unit with simulation photovoltaic generating module
In environment, recalculate whether the generated energy of wind power generation unit and photovoltaic generation unit within the unit time is able to satisfy power grid use
The demand of electricity can be used normally after guaranteeing wind power generation unit and photovoltaic generation unit access power grid, and power grid electricity consumption situation is not
It will appear exception；
(3) present invention is able to achieve the free switching of thermal power generation and renewable energy power generation, and the degree of automation is higher, can be most
The consumption of the saving energy of big degree.In wind power generation unit and the access work of photovoltaic generation unit and power grid, while can lead to
It crosses data analog system and judges that can generated energy meet the needs of power grid, when occurring ungratified, controller is controlled by PLC
Unit processed can control thermal power generation unit starting, guarantee the normal use of power grid.And standby power unit when generator unit switching
It can be that power grid is powered, the use for keeping power grid that can continue, is not in multiplexing electric abnormality.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is system block diagram of the invention.
Specific embodiment
As shown in Figure 1, a kind of access control system of renewable energy power generation, including controller, data cache module, number
According to analysis module, display module, data acquisition module, PLC control unit, electricity generation system and data analog system；
Wherein, the controller communicates to connect data cache module, the data cache module communication connection data analysis
Module, the data analysis module communicate to connect controller, and the controller communicates to connect display module, the controller communication
Data analog system is connected, the controller communicates to connect PLC control unit, the PLC control unit communication connection power generation system
System, the electricity generation system communicate to connect data acquisition module, and the data acquisition module communicates to connect controller；
The controller, the data that acquisition module, data analog system and data analysis module issue for receiving data,
And judgement is compared with preset value for data, it receives three kinds of generator units and issues the data of electricity greater than preset value, starting number
It is run according to simulation system, and transmits data to data cache module, data analog system, PLC control unit and display module；
The data cache module for receiving the data-signal of controller sending, and data is stored, and finally will
Data-signal is sent to data analysis module；
The data analysis module, the data that cache module issues for receiving data, and analysis conversion is carried out to data,
Data result after analysis conversion is transported to controller；
The data acquisition module, for acquiring wind power generation unit, thermal power generation unit and photovoltaic inside electricity generation system
The electricity issued in the unit time in generator unit three kinds of generator units work, and by the generated energy data transmission of acquisition to controlling
Device；
The PLC control unit changes wind power generation unit, fire according to instruction for receiving the instruction of controller sending
The working condition of power generator unit and the access of photovoltaic generation unit and power grid；
The electricity generation system is generated electricity for daily power generation using wind-force, firepower and photovoltaic, by the electricity of sending
It is transported to power grid, the electricity generation system includes wind power generation unit, thermal power generation unit, photovoltaic generation unit and backup power source list
Member；
Wherein, the wind power generation unit and photovoltaic generation unit are generated electricity using reproducible wind-force and luminous energy, fire
Power generator unit is generated electricity using firepower, by the power Transmission of sending into power grid, the standby power unit, for being electric
During net provides spare electric power, wind power generation unit and photovoltaic generation unit and thermal power generation cell translation, backup power source
Unit transmits electric power for power grid；
The data analog system, for simulate photovoltaic generation unit and wind power generation unit under various circumstances unit when
The electricity of sending is acquired and is transported to controller and is compared with preset value by the electricity of interior sending, the digital simulation
System includes auxiliary PLC control unit, simulating wind power generation module, simulation photovoltaic generating module, electricity statistic unit, data
Processing module, weather acquisition module and generating dutation estimate module；
Wherein, the auxiliary PLC control unit, for receiving the data-signal of controller sending, according to signal enabling mould
Quasi- wind power generation module and simulation photovoltaic generating module；
The simulating wind power generation module and simulation photovoltaic generating module and wind power generation unit and photovoltaic generation unit are pacified
It is fitted together, simulates varying environment apparatus for lower wind generator unit and photovoltaic generation unit generating state；
The electricity statistic unit, for detecting in simulating wind power generation module and simulation photovoltaic generating module unit time
The electricity of sending, and the data that will test are transported to data processing module, the data processing module will convey after Data Integration
To controller；
The weather acquisition module, for acquiring actual wind in wind power generation unit and photovoltaic generation unit operational process
Power and intensity of illumination, and the data transmission of acquisition to generating dutation is estimated into module, generating dutation estimates module based on the received
Data estimate out wind power generation unit and photovoltaic generation unit can reach the duration of power demands, and the time that will be estimated out
Data transmission is to data processing module；
The specific steps of the data collecting module collected data and controller control log-on data simulation system are as follows:
Step 1: the data acquisition module by the electricity W1 issued in the collected wind power generation unit unit time and
The electricity W2 that issues in the photovoltaic generation unit unit time and both the aggregate data W3 that generates electricity in the unit time, by data W1,
W2 and W3 are transmitted to controller；
Step 2: the controller compares data W1, W2 and W3 of acquisition and preset electricity data value P, and P is
Power grid is able to satisfy the numerical value of normal power supply demand, when any one in W1, W2, W3 is more than or equal to P, controller log-on data mould
Quasi- system；
Step 3: the controller is stored data by data cache module, and data cache module will count
According to data analysis module is transmitted to, data analysis module carries out analysis to data and is converted into control signal, by control signal transmission
To controller；
The specific steps of the data analog system work are as follows:
Step 1: received control signal is transmitted to auxiliary PLC control unit, the auxiliary PLC control by the controller
Unit processed starts simulation wind according to control signal enabling simulating wind power generation module or simulation photovoltaic generating module or simultaneously
Power electricity generation module and simulation photovoltaic generating module work；
Step 2: the simulating wind power generation module and simulation photovoltaic generating module are in wind power generation unit and photovoltaic power generation
Power generation operation, unit in setting simulating wind power generation module and simulation photovoltaic generating module work are carried out under the identical environment of unit
The charge value generated in time is respectively X1 and X2, and the summation of generated energy is X3 in the two unit time；
Step 3: generated energy X1, X2 and X3 in the electricity statistic unit statistical unit time, and by X1, X2 and X3
It is transmitted to data processing module；
Step 4: X1, X2 and X3 are compared processing by the data processing module, and the result of processing is transmitted to control
The process of device processed, processing is as follows:
S1: by simulating wind power generation module and simulation photovoltaic generating module generating efficiency be set as wind power generation unit and
The 1/n of photovoltaic generation unit generating efficiency；
S2: P/n and X1, X2 and X3 are compared；
S3: when P/n be less than or equal to X1, X2, X3 in any one when, show that the data of data collecting module collected are accurate,
Wind power generation unit and photovoltaic generation unit any one or both the generated energy of summation can satisfy the demand of power grid electricity consumption,
Transfer data to controller；
The generating dutation estimates the specific steps of module estimated time are as follows:
Step 1: weather acquisition module acquires actual wind-force in wind power generation unit and photovoltaic generation unit operational process
Y, intensity of illumination Z and weather conditions duration T；
Step 2: weather acquisition module is defeated by wind-force wind-force Y, the intensity of illumination Z and weather conditions duration T of acquisition
It is sent to generating dutation and estimates module；
S1: setting the generating capacity of simulation photovoltaic generating module as A, set the generating capacity of simulating wind power generation module as
B, X1=B*Z*t, X2=A*Y*t, X3=B*Z*t+A*Y*t, t are the unit time of setting；
S2: generating dutation estimates module and compares P/n and X1, X2 and X3, when P/n is less than or equal to appoint in X1, X2, X3
Anticipate one when, wind power generation unit and photovoltaic generation unit and can be the when a length of T that power grid is powered, when X1, X2 and X3 are all small
When P/n, wind power generation unit and photovoltaic generation unit cannot power for power grid, be the T of power grid powers duration be 0；
S3: generating dutation estimates module and the time T estimated is transmitted to data processing module, and then is transmitted to controller.
As a kind of technical optimization scheme of the invention, the analog result that the controller is obtained according to data analog system
It issues and instructs to PLC control unit, when result meets power grid power demand, PLC control unit control thermal power generation unit stops
It only generates electricity, wind power generation unit and photovoltaic generation unit and power grid is accessed；When result is unsatisfactory for power grid demand, PLC control
Unit control thermal power generation unit generates electricity, and wind power generation unit and photovoltaic generation unit and power grid are detached from, and PLC control is single
When member is equal with the duration of power supply according to the time T estimated, wind power generation unit and photovoltaic generation unit and power grid are detached from.
As a kind of technical optimization scheme of the invention, the display module issues in controller work for receiving
Data, and data are shown using display screen.
As a kind of technical optimization scheme of the invention, the data acquisition module can also be used to acquire thermal power generation unit
Generated energy in different time periods is transmitted to controller by generated energy in different time periods in work, and controller is according to different time
Section sets different P values.
As a kind of technical optimization scheme of the invention, the wind power generation unit and photovoltaic generation unit access power grid work
When making, data analog system follows synchronous working, simulates the generated energy of wind power generation unit and photovoltaic generation unit in real time,
It is compared with preset value, data-signal is passed into controller, when being unsatisfactory for power grid power demand, controller controls wind-force
Generator unit and photovoltaic generation unit are detached from power grid, the work of thermal power generation unit starting, wind power generation unit and photovoltaic power generation list
When member is accessed with power grid, while backup power source and power grid being accessed, wind power generation unit and photovoltaic generation unit and Fire Unit
When switching over, backup power source is power grid power supply.
Beneficial effects of the present invention are as follows:
(1) present invention can collect wind power generation unit and photovoltaic generation unit by data acquisition module first in real time
Generated energy within the unit time, and generated energy is transported in controller, controller are expired with setting according to the collected data
The numerical value that sufficient power grid uses is compared, and then wind power generation unit and photovoltaic generation unit and power grid are accessed, and is controlled by PLC
Unit processed closes thermal power generation unit.Wind-power electricity generation and photovoltaic power generation are adequately utilized, avoid daily electricity consumption all according to
By the state of thermal power generation, the consumption of the energy is saved, the cost of power generation is reduced, protects the environment from pollution, it is more environmentally-friendly.
(2) present invention is detected by data of the data analog system to data collecting module collected simultaneously, utilizes mould
Quasi- wind power generation module is placed in work identical with wind power generation unit and photovoltaic generation unit with simulation photovoltaic generating module
In environment, recalculate whether the generated energy of wind power generation unit and photovoltaic generation unit within the unit time is able to satisfy power grid use
The demand of electricity can be used normally after guaranteeing wind power generation unit and photovoltaic generation unit access power grid, and power grid electricity consumption situation is not
It will appear exception；
(3) present invention is able to achieve the free switching of thermal power generation and renewable energy power generation, and the degree of automation is higher, can be most
The consumption of the saving energy of big degree.In wind power generation unit and the access work of photovoltaic generation unit and power grid, while can lead to
It crosses data analog system and judges that can generated energy meet the needs of power grid, when occurring ungratified, controller is controlled by PLC
Unit processed can control thermal power generation unit starting, guarantee the normal use of power grid.And standby power unit when generator unit switching
It can be that power grid is powered, the use for keeping power grid that can continue, is not in multiplexing electric abnormality.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (5)
1. a kind of access control system of renewable energy power generation, which is characterized in that including controller, data cache module, number
According to analysis module, display module, data acquisition module, PLC control unit, electricity generation system and data analog system；
Wherein, the controller communicates to connect data cache module, and the data cache module communicates to connect data analysis module,
The data analysis module communicates to connect controller, and the controller communicates to connect display module, the controller communication connection
Data analog system, the controller communicate to connect PLC control unit, and the PLC control unit communicates to connect electricity generation system, institute
Electricity generation system communication connection data acquisition module is stated, the data acquisition module communicates to connect controller；
The controller, the data that acquisition module, data analog system and data analysis module issue for receiving data, and will
Judgement is compared with preset value for data, receives three kinds of generator units and issues the data of electricity greater than preset value, log-on data mould
Quasi- system operation, and data are transmitted to data cache module, data analog system, PLC control unit and display module；
The data cache module for receiving the data-signal of controller sending, and data is stored, finally by data
Signal is sent to data analysis module；
The data analysis module, the data that cache module issues for receiving data, and analysis conversion is carried out to data, it will divide
Data result after analysis conversion is transported to controller；
The data acquisition module, for acquiring wind power generation unit, thermal power generation unit and photovoltaic power generation inside electricity generation system
The electricity issued in the unit time in unit three kinds of generator units work, and by the generated energy data transmission of acquisition to controller；
The PLC control unit changes wind power generation unit according to instruction, firepower is sent out for receiving the instruction of controller sending
The working condition of electric unit and the access of photovoltaic generation unit and power grid；
The electricity generation system is generated electricity for daily power generation using wind-force, firepower and photovoltaic, and the electricity of sending is conveyed
To power grid, the electricity generation system includes wind power generation unit, thermal power generation unit, photovoltaic generation unit and standby power unit；
Wherein, the wind power generation unit and photovoltaic generation unit are generated electricity using reproducible wind-force and luminous energy, firepower hair
Electric unit is generated electricity using firepower, by the power Transmission of sending into power grid, the standby power unit, for being mentioned for power grid
For spare electric power, during wind power generation unit and photovoltaic generation unit and thermal power generation cell translation, standby power unit
It transmits electric power for power grid；
The data analog system, for simulating photovoltaic generation unit and wind power generation unit under various circumstances in the unit time
The electricity of sending is acquired and is transported to controller and is compared with preset value by the electricity of sending, the data analog system
It include auxiliary PLC control unit, simulating wind power generation module, simulation photovoltaic generating module, electricity statistic unit, data processing
Module, weather acquisition module and generating dutation estimate module；
Wherein, the auxiliary PLC control unit simulates wind according to signal enabling for receiving the data-signal of controller sending
Power electricity generation module and simulation photovoltaic generating module；
The simulating wind power generation module and simulation photovoltaic generating module are mounted on wind power generation unit and photovoltaic generation unit
Together, varying environment apparatus for lower wind generator unit and photovoltaic generation unit generating state are simulated；
The electricity statistic unit, for detecting simulating wind power generation module and being issued in the simulation photovoltaic generating module unit time
Electricity, and the data that will test are transported to data processing module, and the data processing module will be transported to control after Data Integration
Device processed；
The weather acquisition module, for acquire in wind power generation unit and photovoltaic generation unit operational process actual wind-force and
Intensity of illumination, and the data transmission of acquisition to generating dutation is estimated into module, generating dutation estimates module data based on the received
The duration of power demands, and the time data that will be estimated out can be reached by estimating out wind power generation unit and photovoltaic generation unit
It is transmitted to data processing module；
The specific steps of the data collecting module collected data and controller control log-on data simulation system are as follows:
Step 1: the electricity W1 and photovoltaic that the data acquisition module will issue in the collected wind power generation unit unit time
The electricity W2 that issues in the generator unit unit time and both the aggregate data W3 that generates electricity in the unit time, by data W1, W2 and
W3 is transmitted to controller；
Step 2: the controller compares data W1, W2 and W3 of acquisition and preset electricity data value P, and P is power grid
It is able to satisfy the numerical value of normal power supply demand, when any one in W1, W2, W3 is more than or equal to P, controller log-on data simulation system
System；
Step 3: the controller is stored data by data cache module, and data cache module passes data
It is sent to data analysis module, data analysis module carries out analysis to data and is converted into control signal, transmits control signals to control
Device processed；
The specific steps of the data analog system work are as follows:
Step 1: received control signal is transmitted to auxiliary PLC control unit by the controller, and the auxiliary PLC control is single
Member starts simulation wind-force hair according to control signal enabling simulating wind power generation module or simulation photovoltaic generating module or simultaneously
Electric module and simulation photovoltaic generating module work；
Step 2: the simulating wind power generation module and simulation photovoltaic generating module are in wind power generation unit and photovoltaic generation unit
Power generation operation, unit time in setting simulating wind power generation module and simulation photovoltaic generating module work are carried out under identical environment
The charge value of interior generation is respectively X1 and X2, and the summation of generated energy is X3 in the two unit time；
Step 3: generated energy X1, X2 and X3 in the electricity statistic unit statistical unit time, and X1, X2 and X3 are transmitted
To data processing module；
Step 4: X1, X2 and X3 are compared processing by the data processing module, and the result of processing is transmitted to control
The process of device, processing is as follows:
S1: the generating efficiency of simulating wind power generation module and simulation photovoltaic generating module is set as wind power generation unit and photovoltaic
The 1/n of generator unit generating efficiency；
S2: P/n and X1, X2 and X3 are compared；
S3: when P/n be less than or equal to X1, X2, X3 in any one when, show that the data of data collecting module collected are accurate, wind-force
Generator unit and photovoltaic generation unit any one or both the generated energy of summation can satisfy the demand of power grid electricity consumption, will count
According to being transmitted to controller；
The generating dutation estimates the specific steps of module estimated time are as follows:
Step 1: weather acquisition module acquires actual wind-force Y, light in wind power generation unit and photovoltaic generation unit operational process
According to intensity Z and weather conditions duration T；
Step 2: wind-force wind-force Y, the intensity of illumination Z of acquisition and weather conditions duration T are transported to by weather acquisition module
Generating dutation estimates module；
S1: the generating capacity of simulation photovoltaic generating module is set as A, sets the generating capacity of simulating wind power generation module as B, X1
=B*Z*t, X2=A*Y*t, X3=B*Z*t+A*Y*t, t are the unit time of setting；
S2: generating dutation estimates module and compares P/n and X1, X2 and X3, when P/n is any one less than or equal in X1, X2, X3
When a, wind power generation unit and photovoltaic generation unit and can be the when a length of T that power grid is powered, when X1, X2 and X3 are all less than P/n
When, wind power generation unit and photovoltaic generation unit cannot power for power grid, be the T of power grid powers duration be 0；
S3: generating dutation estimates module and the time T estimated is transmitted to data processing module, and then is transmitted to controller.
2. a kind of access control system of renewable energy power generation according to claim 1, which is characterized in that the control
Device is issued to PLC control unit according to the analog result that data analog system obtains and is instructed, when result meets power grid power demand
When, PLC control unit controls thermal power generation unit and stops power generation, and wind power generation unit and photovoltaic generation unit are connect with power grid
Enter；When result is unsatisfactory for power grid demand, PLC control unit control thermal power generation unit generates electricity, by wind power generation unit
It is detached from photovoltaic generation unit and power grid, when PLC control unit is equal with the duration of power supply according to the time T estimated, by wind-force
Generator unit and photovoltaic generation unit and power grid are detached from.
3. a kind of access control system of renewable energy power generation according to claim 1, which is characterized in that the display
Module for receiving the data issued in controller work, and data is shown using display screen.
4. a kind of access control system of renewable energy power generation according to claim 1, which is characterized in that the data
Acquisition module can also be used to acquire generated energy in different time periods in thermal power generation cell operation, by generated energy in different time periods
It is transmitted to controller, controller sets different P values according to different time sections.
5. a kind of access control system of renewable energy power generation according to claim 1, which is characterized in that the wind-force
When generator unit and photovoltaic generation unit access network operation, data analog system follows synchronous working, simulates outlet air in real time
The generated energy of power generator unit and photovoltaic generation unit, is compared with preset value, data-signal is passed to controller, when not
When meeting power grid power demand, controller controls wind power generation unit and photovoltaic generation unit is detached from power grid, thermal power generation unit
When starting work, wind power generation unit and photovoltaic generation unit and power grid access, while backup power source and power grid being accessed, wind-force
When generator unit and photovoltaic generation unit and Fire Unit switch over, backup power source is power grid power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243432.XA CN109412200B (en) | 2018-10-24 | 2018-10-24 | Access control system for renewable energy power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811243432.XA CN109412200B (en) | 2018-10-24 | 2018-10-24 | Access control system for renewable energy power generation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109412200A true CN109412200A (en) | 2019-03-01 |
| CN109412200B CN109412200B (en) | 2021-12-10 |
Family
ID=65469100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811243432.XA Active CN109412200B (en) | 2018-10-24 | 2018-10-24 | Access control system for renewable energy power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109412200B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012085459A (en) * | 2010-10-13 | 2012-04-26 | Field Logic Inc | Power generation simulation device, power generation simulation method, and program |
| CN102792542A (en) * | 2010-03-19 | 2012-11-21 | 株式会社东芝 | Device for prediction of electricity generation amount, method for same, and program for same |
| CN104659804A (en) * | 2013-11-20 | 2015-05-27 | 沈阳工业大学 | Micro power grid with hybrid energy storage, and control method of micro power grid |
| CN106156455A (en) * | 2015-03-26 | 2016-11-23 | 中国能源建设集团新疆电力设计院有限公司 | A kind of photovoltaic generating system generated energy computational methods based on all the period of time analog integration |
| CN106786789A (en) * | 2016-11-18 | 2017-05-31 | 国网江苏省电力公司涟水县供电公司 | Microgrid generated energy real-time control system and method |
| CN108536881A (en) * | 2017-03-06 | 2018-09-14 | 新疆金风科技股份有限公司 | Method and apparatus for calculating wind power plant generated energy |
-
2018
- 2018-10-24 CN CN201811243432.XA patent/CN109412200B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102792542A (en) * | 2010-03-19 | 2012-11-21 | 株式会社东芝 | Device for prediction of electricity generation amount, method for same, and program for same |
| JP2012085459A (en) * | 2010-10-13 | 2012-04-26 | Field Logic Inc | Power generation simulation device, power generation simulation method, and program |
| CN104659804A (en) * | 2013-11-20 | 2015-05-27 | 沈阳工业大学 | Micro power grid with hybrid energy storage, and control method of micro power grid |
| CN106156455A (en) * | 2015-03-26 | 2016-11-23 | 中国能源建设集团新疆电力设计院有限公司 | A kind of photovoltaic generating system generated energy computational methods based on all the period of time analog integration |
| CN106786789A (en) * | 2016-11-18 | 2017-05-31 | 国网江苏省电力公司涟水县供电公司 | Microgrid generated energy real-time control system and method |
| CN108536881A (en) * | 2017-03-06 | 2018-09-14 | 新疆金风科技股份有限公司 | Method and apparatus for calculating wind power plant generated energy |
Non-Patent Citations (3)
| Title |
|---|
| W. GAO 等: ""PV - wind - fuel cell - electrolyzer micro-grid modeling and control in Real Time Digital Simulator"", 《2009 INTERNATIONAL CONFERENCE ON CLEAN ELECTRICAL POWER》 * |
| 唐芬 等: "" 分布式多变流器型微电网无互联线潮流控制"", 《电网技术》 * |
| 汪海瑛: ""含大规模可再生能源的电力***可靠性问题研究"", 《中国优秀博硕士学位论文全文数据库(博士)工程科技Ⅱ辑》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109412200B (en) | 2021-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205945246U (en) | Little electric wire netting power management system of intelligence | |
| Bayrak et al. | Monitoring a grid connected PV power generation system with labview | |
| CN113098056B (en) | Photovoltaic converter system for new energy grid connection | |
| CN101752877B (en) | Photovoltaic synchronization inverter with photovoltaic array IV test function and test method | |
| CN202602375U (en) | Wind power generation box type transformer cloud terminal | |
| KR20130067678A (en) | Micro-grid simulation apparatus and power management system | |
| CN103399219A (en) | Method for monitoring performance of photovoltaic power station in real time | |
| CN105048505B (en) | A kind of wind-solar complementary type micro-grid system for intelligent residential district | |
| CN204243785U (en) | A kind of distributed photovoltaic power generation micro-grid system | |
| CN203632302U (en) | Mobile emergency power supply system | |
| CN105207263A (en) | Photovoltaic power generation system of waste incineration power plant and grid-connection control method | |
| CN205070454U (en) | Waste incineration power plant's photovoltaic power generation system | |
| CN103490437A (en) | Distributed wind-light pumped-storage supplementary electricity generation control system and method | |
| CN109412200A (en) | A kind of access control system of renewable energy power generation | |
| CN206370692U (en) | The distributed energy micro-grid system of internal combustion engine alliance | |
| CN206820478U (en) | Based on the uncertain wind-powered electricity generation regulator control system contributed of wind-powered electricity generation | |
| CN109756187A (en) | A kind of monitoring system of steam-electric power plant | |
| CN105846462B (en) | A kind of the black starting-up conditioning unit and method of wind power plant | |
| CN210927564U (en) | Data acquisition system for photovoltaic power station | |
| CN203643857U (en) | Solar energy tracking management control system | |
| CN204272019U (en) | A kind of multiuser distributed photovoltaic generation Intelligent remote monitoring system | |
| CN105974947A (en) | IoT-based intelligent solar power generation system | |
| CN106933116A (en) | Micro-capacitance sensor emulation debugging method with MATLB interfaces | |
| CN106681364A (en) | Tracking system for monitoring power station | |
| CN204424929U (en) | The control device of grid-connected power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 243000 555 north section of Ling Xiao Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee after: Anhui Keda Smart Energy Technology Co.,Ltd. Address before: 243000 555 north section of Ling Xiao Road, Ma'anshan economic and Technological Development Zone, Anhui Patentee before: ANHUI KEDA ELECTRICTITY Co.,Ltd. |