CN206697107U - A kind of photovoltaic plant simulation religion instrument runtime - Google Patents
A kind of photovoltaic plant simulation religion instrument runtime Download PDFInfo
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- CN206697107U CN206697107U CN201620915256.XU CN201620915256U CN206697107U CN 206697107 U CN206697107 U CN 206697107U CN 201620915256 U CN201620915256 U CN 201620915256U CN 206697107 U CN206697107 U CN 206697107U
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Abstract
The utility model discloses a kind of photovoltaic plant simulation religion instrument runtime.The utility model includes environmental simulation layer, photovoltaic plant simulation layer, photovoltaic plant detection layers, photovoltaic plant Communication Layer, photovoltaic plant supervisory layers, photovoltaic plant key-course, environmental Kuznets Curves layer.Tthe utility model system is simple in construction, and diversified function test is carried out according to user study purpose.
Description
Technical field
The utility model belongs to solar photovoltaic industry field, and in particular to a kind of photovoltaic plant simulation religion instrument operation system
System.
Background technology
Solar energy is the regenerative resource that the mankind are inexhaustible, nexhaustible, has sufficient spatter property, absolute safety
The advantages that property, relative popularity, certain long-life and maintenance-free, the adequate of resource and potential economy, in length
There is critical role in the energy strategy of phase.Therefore, with other new-generation technologies (wind-power electricity generation and biomass power generation etc.)
Compare, solar energy power generating is a kind of tool sustainable development desired characteristics (most abundant resource and most clean power generation process)
Renewable energy power generation technology.
Traditional large-sized photovoltaic power plant construction is costly, and is truly to produce at large scale industry scene, to related electric energy matter
Amount has strict requirements, so even if there are related cooperation in colleges and universities, it is also difficult to carry out scientific research simulated experiment.There is no the branch of related experiment
Support, the research to solar power station are not just known where to begin yet.With continuing to increase for the input of teaching facilities in recent years, some colleges and universities
There is the large-scale experiment room of solar photovoltaic power plant, the experiment porch for having a set of more complete solar photovoltaic power plant.No
The foundation for crossing these laboratories be all a huge sum of money input on the basis of, a laboratory get off easily will million, even
Ten million rank.And large-scale power station is simulated in the design in such laboratory completely, to some, profound research still has very big
Limitation, such as the use of large-scale finished product inverter cabinet, switch board so that the running status in power station can not be stored up directly in the form of data
Deposit, very big inconvenience is brought to subsequent analysis, research.
Conventional photovoltaic instruments used for education are simple in construction, and achievable related experiment is limited, mostly the demonstration as student, real training
Platform, its related experiment is also simply design basis experiment mostly, such as solar power generation principle, inverter etc.；Due to design
Function unicity and be related to the basic of experiment, use as scientific research apparatus be much deficiency.
In view of the foregoing, the utility model proposes a kind of photovoltaic plant to simulate religion instrument runtime.The utility model energy
The basic operation in the true power station of solar energy is enough realized, and completes the photovoltaic array energy conversion technology of traditional solar energy instruments used for education
Experiment, the experiment of photovoltaic system DC/DC controller technologies, simulate the basic function such as the running status in power station reality under various complex environments
Test, additionally it is possible to some expansion experiments are completed, according to user study purpose come self-defined various control algolithms, to provide higher level
Solar energy correlative study, such as one key switching photovoltaic array, on-site supervision solar power generation situation, shadow occlusion phenomenon is simulated, it is inverse
Become device control algolithm and battery control algolithm etc..
The content of the invention
The purpose of the utility model is to be difficult to test for existing large-sized photovoltaic power station, and conventional photovoltaic power station instruments used for education are difficult
To simulate the situation of true power station operation, there is provided a kind of photovoltaic plant simulation religion instrument runtime.
Tthe utility model system includes environmental simulation layer, photovoltaic plant simulation layer, photovoltaic plant detection layers, photovoltaic plant and led to
Interrogate layer, photovoltaic plant supervisory layers, photovoltaic plant key-course, environmental Kuznets Curves layer；A signal output part and light for environmental simulation layer
The signal input part signal connection of overhead utility simulation layer, another signal output part and a letter of photovoltaic plant detection layers
The connection of number input end signal, the signal output part of photovoltaic plant simulation layer and another signal input part of photovoltaic plant detection layers
Signal is connected, and the signal output part of photovoltaic plant detection layers is connected with a signal input part signal of photovoltaic plant Communication Layer,
One signal output part of photovoltaic plant Communication Layer is connected with the signal input part signal of photovoltaic plant supervisory layers, photovoltaic plant prison
Control layer signal output part be connected with another signal input part signal of photovoltaic plant Communication Layer, photovoltaic plant Communication Layer it is another
One signal output part is connected with the signal input part signal of photovoltaic plant key-course, the signal output part of photovoltaic plant key-course
Be connected with another signal input part signal of photovoltaic plant simulation layer, another signal output part of photovoltaic plant Communication Layer with
The signal input part signal connection of environmental Kuznets Curves layer, the signal output part of environmental Kuznets Curves layer and the signal input part of environmental simulation layer
Signal connects.
Described environmental simulation layer is used for the simulated environment variable for obtaining whole system, then by environmental variance information transmission
To photovoltaic plant simulation layer, photovoltaic plant detection layers, described environmental variance includes irradiation level, temperature, humidity, longitude and latitude, height
Angle, azimuth etc. are spent, elevation angle and azimuth refer to two of solar photovoltaic assembly with horizontal plane in two-dimensional space respectively
Angle.Wherein irradiation level, temperature, humidity, longitude and latitude, elevation angle, azimuth can pass through irradiatometer, temperature and humidity sensing respectively
Device, GPS and angular transducer are obtained, and acquisition modes here are existing mature technology.
The environmental variance that described photovoltaic plant simulation layer transmits according to environmental simulation layer first controls the fortune of photovoltaic plant
Make, while the power station Variable Control signal transmitted according to photovoltaic plant key-course is adjusted to photovoltaic plant internal operation, so
Simulation power station variable is sent to photovoltaic plant detection layers afterwards.Photovoltaic group string is mainly provided with described photovoltaic plant simulation layer to open up
Flutter structure, header box, DC/DC controllers, battery, inverter, AC load, DC load.Photovoltaic group string topological structure
Photogenerated current flows to DC/DC controllers after header box collects；Storage is partly into from the electric current of DC/DC controllers outflow
Battery, charge a battery and powered to DC load, the unnecessary electric energy of another part becomes alternating current by inverter, is incorporated to
Power network is powered to AC load.Described output simulation power station variable i.e. the primary operating parameter in power station, can include
Component and group string or square formation electric current, component and group string or square formation voltage, the tank current that confluxes, header box voltage, DC/DC controllers electricity
Stream, DC/DC controllers voltage, battery current, battery tension, inverter current, contravarianter voltage, AC load electric current,
DC/DC AC loads voltage, DC load current, DC load voltage etc..Here component and group string or square formation electric current, component
It is to be directed to photovoltaic group string topological structure with group string or square formation voltage.
The acquisition of above-mentioned each simulation power station variable can be obtained by existing mature technology.
The simulated environment variable received and simulation power station variable are converted into accordingly by described photovoltaic plant detection layers
Data signal is respectively sent to environmental Kuznets Curves layer by photovoltaic plant Communication Layer.Photovoltaic plant detection layers pass through sensor and change
Send device that simulated environment variable is converted to data signal, specific device is as follows：FZD-A1 types irradiance sensor, loose electronics difficult to understand
AW1485A types humiture transducer, NEO-6M UBLOX series GPS module, DWQY series of angles sensors.Photovoltaic plant detects
Layer uses STM32F103VCT6 series monolithics and MAX4080 potline current voltage detecting circuits, is obtained by existing mature technology
Take variable.
Described photovoltaic plant Communication Layer receives the data signal that is transmitted by photovoltaic plant detection layers and by photovoltaic plant
The human-computer interactive control signal of supervisory layers transmission.The communication signal of photovoltaic plant Communication Layer output is divided into wireless signal and wired
Signal.
Described photovoltaic plant supervisory layers are liquid crystal display, and the screen can be by field data information that photovoltaic plant Communication Layer transmits
It has been shown that, while also human-computer interactive control signal of the operator on screen can be fed back to photovoltaic plant Communication Layer, then pass respectively
Deliver to overhead utility key-course, environmental Kuznets Curves layer.From 800*600 industry control screen, equipped with the insertion designed exclusively for this analog meter
Formula man-machine interface.
Described photovoltaic plant key-course converts thereof into according to the photovoltaic plant Communication Layer send instructions signal received
Required controlled quentity controlled variable is sent to photovoltaic plant simulation layer；Photovoltaic plant simulation layer changes photovoltaic plant according to controlled quentity controlled variable
Internal operation etc..The controlled quentity controlled variable of photovoltaic plant key-course output includes component and organizes topological relation, the DC/DC controllers of serializer circuit
Control algolithm, the algorithm of accumulator cell charging and discharging controller, the control algolithm of inverter, the control of AC load, DC load
Control etc..Described photovoltaic plant key-course uses specific device as STM32F103VCT6 series monolithics.
Described luminous environment key-course converts thereof into institute according to the photovoltaic plant Communication Layer send instructions signal received
The controlled quentity controlled variable needed is sent to environmental simulation layer.Environmental Kuznets Curves layer output controlled quentity controlled variable include irradiation level, temperature, humidity, longitude and latitude,
Elevation angle, azimuth etc..Described photovoltaic plant key-course uses specific device as STM32F103VCT6 series monolithics.
The beneficial effects of the utility model are：
Tthe utility model system can either complete the function of existing large-scale power station, and and can is enough to meet that system architecture is simple
Under the premise of, consult instrument relative to traditional section so that function is more diversified, the R＆D institutions such as colleges and universities is disclosure satisfy that, as various
The experiment of the demonstration of experiment, training platform, such as shadow occlusion, DC/DC controller algorithms and photovoltaic module topology experiment, it is abundant
Experiment species brings great convenience to scientific research personnel and colleges and universities.
Brief description of the drawings
Fig. 1 is the utility model control block diagram；
Fig. 2 is the utility model environmental simulation layer input and output figure；
Fig. 3 is the utility model photovoltaic plant simulation layer input and output figure；
Fig. 4 is the utility model photovoltaic plant detection layers input and output figure；
Fig. 5 is the utility model photovoltaic plant Communication Layer input and output figure；
Fig. 6 is the utility model photovoltaic plant supervisory layers input and output figure；
Fig. 7 is the utility model photovoltaic plant key-course input and output figure；
Fig. 8 is the utility model environmental Kuznets Curves layer input and output figure；
Fig. 9 is the utility model photovoltaic plant simulation layer schematic internal view；
Figure 10 is photovoltaic module topology schematic diagram inside the utility model photovoltaic plant simulation layer.
Embodiment
The utility model is further analyzed below in conjunction with the accompanying drawings.
Shown in Fig. 1 the utility model portable light overhead utility analog meter system control block figure include environmental simulation layer,
Photovoltaic plant simulation layer, photovoltaic plant detection layers, photovoltaic plant Communication Layer, photovoltaic plant supervisory layers, photovoltaic plant key-course, ring
Border key-course；
Directly incoming photovoltaic plant simulation layer and the photovoltaic plant detection respectively of the environmental data information of environmental simulation layer output
Layer, while some places of photovoltaic plant simulation layer can carry out sample conversion by photovoltaic plant detection layers.Photovoltaic plant Communication Layer
The data of photovoltaic plant detection layers outflow can be received, while will also receive photovoltaic plant supervisory layers and pass through control caused by man-machine interaction
Command information processed.The output of photovoltaic plant Communication Layer is roughly divided into control instruction and field data, and corresponding control instruction can be anti-
Photovoltaic plant key-course or environmental Kuznets Curves layer are fed to, corresponding field data feeds back to photovoltaic plant supervisory layers.Photovoltaic plant control
Preparative layer can control the detection data that photovoltaic plant simulation layer exports according to corresponding control instruction, and similar environmental Kuznets Curves layer can root
According to the environmental data of corresponding control instruction control environment simulation layer output.
The input and output of environmental simulation layer are shown in Fig. 2.The simulated environment variable of output includes irradiation level, temperature, wet
Degree, longitude and latitude, elevation angle, azimuth etc..Wherein described elevation angle and azimuth are solar photovoltaic assembly respectively in two dimension
In space with two angles of horizontal plane.On the one hand simulated environment variable is influenceed by true environment variable, another aspect environment
Simulation layer can make corresponding compensation according to the environmental variance control signal that environmental Kuznets Curves layer transmits.
The input and output of photovoltaic plant simulation layer are shown in Fig. 3.The simulated environment variable of input can directly influence light
The running of overhead utility simulation layer, while the power station Variable Control signal inputted can produce to photovoltaic plant simulation layer internal structure etc.
Influence.Its export simulation power station variable i.e. power station primary operating parameter, can include component and group string or square formation electric current,
Component and group string or square formation voltage, the tank current that confluxes, header box voltage, DC/DC controllers electric current, DC/DC controllers voltage, storage
Battery current, battery tension, inverter current, contravarianter voltage, AC load electric current, AC load voltage, DC load
Electric current, DC load voltage etc..
The input and output of photovoltaic plant detection layers are shown in Fig. 4.The analog signal of input include simulated environment variable and
Simulate power station variable.The analog signal received is converted into accordingly by photovoltaic plant detection layers by sensor, transmitter etc.
Data signal exports.
The input and output of photovoltaic plant Communication Layer are shown in Fig. 5.Input is data signal and man-machine interaction control respectively
Signal processed.And the communication signal of photovoltaic plant Communication Layer output can be roughly divided into two kinds of wireless signal and wire signal.Two kinds of letters
Number data can be transmitted, wire signal can also transmit control instruction signal.Communication Layer data input supervisory layers, control instruction pass
Transport to Control of Power Plant layer and environmental Kuznets Curves layer.
The input and output of photovoltaic plant supervisory layers are shown in Fig. 6.The field data exported by wired or wireless way
Information, it can be shown by photovoltaic plant supervisory layers.According to the information of display, operator has corresponding operation, namely described
Man-machine interaction.Photovoltaic plant supervisory layers have the output of human-computer interactive control signal in interactive process, this signal
Photovoltaic plant Communication Layer will be fed back to.
The input and output of photovoltaic plant key-course are shown in Fig. 7.Photovoltaic plant key-course receives photovoltaic plant Communication Layer
The command signal of input, output are directed to the controlled quentity controlled variable of photovoltaic plant simulation layer, and then change structure of photovoltaic plant etc..Photovoltaic electric
The controlled quentity controlled variable of stand control layer output includes component and the group topological relation of serializer circuit, the control algolithm of DC/DC controllers, battery
The algorithm of charging-discharging controller, the control algolithm of inverter, the control of AC load, control of DC load etc..
The input and output of environmental Kuznets Curves layer are shown in Fig. 8.Environmental Kuznets Curves layer receives the finger of photovoltaic plant Communication Layer input
Signal is made, a series of reaction can be made, output is directed to the controlled quentity controlled variable of environmental simulation layer, and then influences experimental situation.Environment control
The controlled quentity controlled variable of preparative layer output includes irradiation level, temperature, humidity, longitude and latitude, elevation angle, azimuth etc..
Fig. 9 shows that photovoltaic group string topological structure 1, header box 2, dc-dc 3, battery 4, inverter 5, exchange are negative
Carry 6, DC load switch 7, DC load 8, header box switch 9, dc-dc switch 10, battery switch 11, inverter
Switch 12, AC load switch 13, monitoring system 14 (STM32F103VCT6 series monolithics are controller).
Sunshine is radiated in photovoltaic group string 1, because photovoltaic effect produces direct current, into direct current conflux case 2.Confluxing
Conflux in case 2, electric energy enters dc-dc 3, enters back into energy storage in battery 4.Inverter 5, inversion can also be directly entered
Into alternating current, there is provided used to AC load 6.Battery 4 can be that DC load 8 is powered.Monitoring system 14 is to this system
Header box 2, dc-dc 3, battery 4, inverter 5, AC load 6, the electrical performance of DC load 8 are monitored.
Figure 10 shows photovoltaic group string topological interior detailed construction, including photovoltaic group string switch Q1~Q33.
The photovoltaic module topological diagram of the present embodiment power station simulation layer is connected as example using 8 pieces of battery plate serioparallels, No. 1-No. 4
Cell panel is a line, and No. 5-No. 8 cell panels are another row, and the topological structure can simulate four kinds of courses of work：1*8 array combinations,
8*1 array combinations, 2*4 array combinations and 4*2 array combinations.Four kinds of integrated modes can be cut by outside industry control screen or the key of computer one
Change, without change electrical combination manually.
1*8 array combinations are expressed as 8 pieces of cell panel tandem compounds, in use, system close automatically Q1, Q2, Q3, Q4, Q5,
Q6, Q7, Q9, Q11, Q13, Q16, Q18, Q21, Q24, Q26, Q27, Q28, rest switch are all opened.
8*1 array combinations are expressed as 8 pieces of cell panel parallel combinations, in use, system close automatically Q1, Q2, Q3, Q4, Q8,
Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q17, Q18, Q20, Q21, Q23, Q24, Q29, Q30, Q31, Q32, rest switch is all
Open.
2*4 array combinations are expressed as after two groups of four pieces of cell panel tandem compounds parallel connection again, in use, system closes automatically
Q5, Q6, Q7, Q8, Q10, Q12, Q14, Q15, Q18, Q21, Q24, Q26, Q27, Q28, Q29, Q33, rest switch are all opened.
4*2 array combinations are expressed as after four groups of two pieces of cell panel tandem compounds parallel connection again, in use, system closes automatically
Q1, Q2, Q3, Q4, Q16, Q19, Q22, Q25, Q30, Q31, Q32, rest switch are all opened.
The course of work of the system：
Embodiment 1, shadow occlusion experiment
(1) start the light source of simulation power station both sides, light shine solar panel；
(2) on simulation Control of Power Plant panel, the master switch and inverter switching device in simulation power station are opened；
(3) observe whether power station is normal operating conditions, i.e., whether every Current Voltage value is in normal range (NR)；If no
It is to adjust to normal operating conditions；
(4) component of observation simulation power station normal condition (not blocked), group string or square formation Current Voltage, DC/DC controls
Device Current Voltage, inverter current voltage etc., adjustment time interval and record button is pressed on the control panel, various output electricity
Stream voltage is recorded and is shown on panel automatically；
(5) it is placed on a shelter (such as blank sheet of paper, cloth) on solar panel, the corresponding output electricity in observation simulation power station
Magnitude of voltage is flowed, identical time interval is adjusted on the control panel and presses record button, various output current voltages are remembered automatically
Record and be shown on panel；
(6) in the case of other conditions identical, the area of shelter is constantly adjusted, the corresponding defeated of power station is simulated in observation
Go out Current Voltage value, and recorded by above-mentioned same steps.
The light source irradiation environmental simulation such as solar panel, irradiation level, the humiture and longitude and latitude signal of true environment becomes
Amount is converted to data signal by irradiatometer, Temperature Humidity Sensor and GPS and enters photovoltaic plant simulation layer, by luminous energy to electric energy
Conversion, output simulation power station signal (component, group string or square formation Current Voltage, header box Current Voltage, DC/DC controllers
Current Voltage, battery current voltage, inverter current voltage etc.) photovoltaic plant detection layers are input to, the biography of layer can be detected
Sensor, transmitter etc. are converted into corresponding data signal output, data signal input power station Communication Layer, are converted to communication signal,
Communication signal is passed to photovoltaic plant supervisory layers as current and voltage data, is shown to user data.User wants retention data, presses
Control panel button, signal are passed to supervisory layers, and the data of needs can be retained in supervisory layers.
In the running of power station, it may be blocked by building or assembly surface dirt is influenceed, under generating efficiency
Drop.Tested by shadow occlusion, life shadow can be simulated and block environment, by the Analysis and summary to power station running situation,
To reduce influence of the shade to photovoltaic power station system.
Embodiment 2, the experiment of the control algolithm of DC/DC controllers
(1) start the light source of simulation power station both sides, light shine solar panel；
(2) on simulation Control of Power Plant panel, the master switch in simulation power station is opened；
(3) observe whether power station is normal operating conditions, i.e., whether every Current Voltage value is in normal range (NR)；If no
It is to adjust to normal operating conditions；
(4) in control panel, algorithm (such as disturbance observation algorithm, conductance increment algorithm, the neutral net for selecting power station to carry
Control algolithm)
(5) after pressing selection key, observation assembly, group string or square formation Current Voltage, header box Current Voltage, DC/DC controls
Device Current Voltage, battery current voltage；
(6) in the case of other conditions identical, control algolithm species, more above-mentioned Current Voltage are only changed；Can also
User-defined DC/DC controller algorithms can be inputted by peripheral hardware through human-computer interaction interface；
(7) on the control panel, adjustment time interval, i-v curve figure, curve caused by many algorithms are shown
Scheme stackable comparison.
The light source irradiation environmental simulation such as solar panel, irradiation level, the humiture and longitude and latitude signal of true environment becomes
Amount is converted to data signal by irradiatometer, Temperature Humidity Sensor and GPS and enters photovoltaic plant simulation layer, by luminous energy to electric energy
Conversion, output simulation power station signal (component, group string or square formation Current Voltage, header box Current Voltage, DC/DC controllers
Current Voltage, battery current voltage) photovoltaic plant detection layers are input to, the conversion such as sensor, transmitter of layer can be detected
Exported into corresponding data signal, data signal input power station Communication Layer, be converted to communication signal, communication signal is as electric current electricity
Press data to be passed to photovoltaic plant supervisory layers, be shown to user data.User selects DC/DC controllers to calculate in human-computer interaction interface
Method, supervisory layers being fed back to, human-computer interactive control signal is input to power station Communication Layer, produces the control instruction of corresponding control algolithm,
The algorithm of notice Control of Power Plant layer performs in the simulation layer of power station, and DC/DC controllers perform corresponding algorithm.User wants encumbrance
According to pressing control panel button, signal is passed to supervisory layers, and the data of needs can be retained in supervisory layers.
The output voltage of solar battery array is adjusted by DC/DC controller algorithms, reaches MPPT maximum power point tracking
Purpose.This experiment can carry out Integrated comparative to various control algolithms, and this has of crucial importance for raising system whole efficiency
Effect.
Embodiment 3：Component, the topological relation experiment for organizing serializer circuit
(1) start the light source of simulation power station both sides, light shine solar panel；
(2) on simulation Control of Power Plant panel, the master switch in simulation power station is opened, then opens inverter switching device and alternating current-direct current
Load switch；
(3) observe whether power station is normal operating conditions, i.e., whether every Current Voltage value is in normal range (NR)；If no
It is to adjust to normal operating conditions；
(4) in control panel, circuit topological structure option, respectively 1*8 array combinations (8 pieces of cell panel tandem compounds),
8*1 array combinations (8 pieces of cell panel parallel combinations), 2*4 array combinations (after two groups of four pieces of cell panel tandem compounds again in parallel) and
4*2 array combinations (in parallel again after four groups of two pieces of cell panel tandem compounds)；
(5) after pressing General Cell combination button, observation assembly, group string or square formation Current Voltage, header box Current Voltage,
DC/DC controllers Current Voltage, battery current voltage, inverter current voltage and alternating current-direct current load current voltage change；
(6) in the case of other conditions identical, array combination, relatively observation and a Current Voltage change are only switched；
(7) on the control panel, adjustment time interval, i-v curve figure is shown, four kinds of array combination curve maps can
It is superimposed Integrated comparative.
The light source irradiation environmental simulation such as solar panel, irradiation level, the humiture and longitude and latitude signal of true environment becomes
Amount is converted to data signal by irradiatometer, Temperature Humidity Sensor and GPS and enters photovoltaic plant simulation layer, by luminous energy to electric energy
Conversion, output simulation power station signal (component, group string or square formation Current Voltage, header box Current Voltage, DC/DC controllers
Current Voltage, battery current voltage, inverter current voltage and alternating current-direct current load current voltage) it is input to photovoltaic plant detection
Layer, sensor, transmitter of layer etc. can be detected and be converted into corresponding data signal output, data signal input power station communication
Layer, is converted to communication signal, and communication signal is passed to photovoltaic plant supervisory layers as current and voltage data, is shown to user data.
User switches array combination, the man-machine interaction signal incoming traffic layer of monitoring power station layer, produces response in human-computer interaction interface
Control instruction, control instruction is transferred to Control of Power Plant layer, and key-course calls corresponding circuit topology control signal to be input to electricity
Stand simulation layer, the topological circuit of simulation layer receives signal, switching circuit to corresponding array structure.User wants retention data,
Control panel button is pressed, signal is passed to supervisory layers, and the data of needs can be retained in supervisory layers.
This experiment studies the influence to power station generating efficiency by converting cell plate group string topological structure.One key switching, behaviour
Make it is convenient and swift, save researcher oneself connect cell panel trouble.To cell panel installation, also there is certain reference in producer.
Embodiment 4：The algorithm experimental of accumulator cell charging and discharging controller
(1) start the light source of simulation power station both sides, light shine solar panel；
(2) on simulation Control of Power Plant panel, the master switch and DC load switch in simulation power station are opened；
(3) observe whether power station is normal operating conditions, i.e., whether every Current Voltage value is in normal range (NR)；If no
It is to adjust to normal operating conditions；
(4) in control panel, accumulator cell charging and discharging controller algorithm species (such as classical PID control for selecting power station to carry
Algorithm, DSP pulses precision control algorithm)；
(5) after pressing selection key, observation assembly, group string or square formation Current Voltage, header box Current Voltage, DC/DC controls
Device Current Voltage, battery current voltage and DC load current voltage；
(6) in the case of other conditions identical, accumulator cell charging and discharging controller control algolithm species is only changed, in comparison
State Current Voltage and DC load power；User-defined battery can also can be inputted by peripheral hardware through human-computer interaction interface
Charge and discharge control algorithm；
(7) on the control panel, adjustment time interval, i-v curve figure, curve caused by many algorithms are shown
Scheme stackable comparison.Observe the watt level that each algorithm exports to DC load.
The light source irradiation environmental simulation such as solar panel, irradiation level, the humiture and longitude and latitude signal of true environment becomes
Amount is converted to data signal by irradiatometer, Temperature Humidity Sensor and GPS and enters photovoltaic plant simulation layer, by luminous energy to electric energy
Conversion, output simulation power station signal (component, group string or square formation Current Voltage, header box Current Voltage, DC/DC controllers
Current Voltage, battery current voltage and DC load current voltage) photovoltaic plant detection layers are input to, the biography of layer can be detected
Sensor, transmitter etc. are converted into corresponding data signal output, data signal input power station Communication Layer, are converted to communication signal,
Communication signal is passed to photovoltaic plant supervisory layers as current and voltage data, is shown to user data.User is in human-computer interaction interface
Middle selection accumulator cell charging and discharging controller algorithm, feeds back to supervisory layers, and human-computer interactive control signal is input to power station Communication Layer, production
The control instruction of raw corresponding control algolithm, the algorithm of notice Control of Power Plant layer perform in the simulation layer of power station, accumulator cell charging and discharging
Controller performs corresponding algorithm.User wants retention data, presses control panel button, and signal is passed to supervisory layers, in supervisory layers
The data of needs can be retained.
The state-of-charge of battery is improved while making full use of solar energy by battery controller algorithm, so as to prolong
The service life of long battery, improve the operating efficiency of load and inverter.This experiment can be carried out to various control algolithms
Integrated comparative, this has extremely important effect for improving system whole efficiency.
Embodiment 5：The control algolithm experiment of inverter
(1) start the light source of simulation power station both sides, light shine solar panel；
(2) simulation Control of Power Plant panel on, open simulation power station master switch, then open inverter switching device and exchange bear
Load switch；
(3) observe whether power station is normal operating conditions, i.e., whether every Current Voltage value is in normal range (NR)；If no
It is to adjust to normal operating conditions；
(4) in control panel, inverter control algorithm species (such as Digital PID Algorithm, state for selecting power station to carry
Feedback control)；
(5) after pressing selection key, observation assembly, group string or square formation Current Voltage, header box Current Voltage, DC/DC controls
Device Current Voltage, battery current voltage, inverter current voltage and AC load Current Voltage；
(6) in the case of other conditions identical, inverter control algorithm species, more above-mentioned Current Voltage are only changed；
User-defined inverter control algorithm can also can be inputted by peripheral hardware through human-computer interaction interface；
(7) on the control panel, adjustment time interval, i-v curve figure, curve caused by many algorithms are shown
Scheme stackable comparison.
The light source irradiation environmental simulation such as solar panel, irradiation level, the humiture and longitude and latitude signal of true environment becomes
Amount is converted to data signal by irradiatometer, Temperature Humidity Sensor and GPS and enters photovoltaic plant simulation layer, by luminous energy to electric energy
Conversion, output simulation power station signal (component, group string or square formation Current Voltage, header box Current Voltage, DC/DC controllers
Current Voltage, battery current voltage, inverter current voltage and AC load Current Voltage) it is input to photovoltaic plant detection
Layer, sensor, transmitter of layer etc. can be detected and be converted into corresponding data signal output, data signal input power station communication
Layer, is converted to communication signal, and communication signal is passed to photovoltaic plant supervisory layers as current and voltage data, is shown to user data.
User selects inverter control algorithm in human-computer interaction interface, feeds back to supervisory layers, and human-computer interactive control signal is input to electricity
Stand Communication Layer, produce the control instruction of corresponding control algolithm, the algorithm of notice Control of Power Plant layer performs in the simulation layer of power station, inverse
The control circuit for becoming device performs corresponding algorithm.User wants retention data, presses control panel button, and signal is passed to supervisory layers,
The data of needs can be retained in supervisory layers.
Photovoltaic electric station grid connection generating efficiency is improved by inverter control algorithm.This experiment can select various control to calculate
Method, checking is compared to power station inversion conversion efficiency, imitated so as to improve system generating with control method to research inverter structure
Rate, reduce cost and be extremely important.
It is to be not limited only to above-described embodiment for limitation of the present utility model, the utility model that above-described embodiment, which is not,
As long as meeting the requires of the utility model, the scope of protection of the utility model is belonged to.
Claims (7)
1. a kind of photovoltaic plant simulation religion instrument runtime, it is characterised in that including environmental simulation layer, photovoltaic plant simulation layer, light
Overhead utility detection layers, photovoltaic plant Communication Layer, photovoltaic plant supervisory layers, photovoltaic plant key-course, environmental Kuznets Curves layer；Environmental simulation
Layer a signal output part be connected with a signal input part signal of photovoltaic plant simulation layer, another signal output part and
The signal input part signal connection of photovoltaic plant detection layers, signal output part and the photovoltaic plant of photovoltaic plant simulation layer are examined
Survey another signal input part signal connection of layer, the signal output part of photovoltaic plant detection layers and the one of photovoltaic plant Communication Layer
Individual signal input part signal connection, a signal output part of photovoltaic plant Communication Layer input with the signal of photovoltaic plant supervisory layers
End signal connects, and the signal output part of photovoltaic plant supervisory layers connects with another signal input part signal of photovoltaic plant Communication Layer
Connect, another signal output part of photovoltaic plant Communication Layer is connected with the signal input part signal of photovoltaic plant key-course, photovoltaic
The signal output part of Control of Power Plant layer is connected with another signal input part signal of photovoltaic plant simulation layer, photovoltaic plant communication
Layer another signal output part be connected with the signal input part signal of environmental Kuznets Curves layer, the signal output part of environmental Kuznets Curves layer and
The signal input part signal connection of environmental simulation layer；
Described environmental simulation layer is used for the simulated environment variable for obtaining whole system, then by environmental variance information transmission to light
Overhead utility simulation layer, photovoltaic plant detection layers；
The environmental variance that described photovoltaic plant simulation layer transmits according to environmental simulation layer first controls photovoltaic plant simulation layer
Running, while photovoltaic plant simulation layer internal operation is entered also according to the power station Variable Control signal of photovoltaic plant key-course transmission
Row adjustment, simulation power station variable is then sent to photovoltaic plant detection layers；
The simulated environment variable received and simulation power station variable are converted into corresponding numeral by described photovoltaic plant detection layers
Signal is respectively sent to environmental Kuznets Curves layer by photovoltaic plant Communication Layer；
Described photovoltaic plant supervisory layers are liquid crystal display, and the screen can show the field data information that photovoltaic plant Communication Layer transmits
Show, while human-computer interactive control signal of the operator on screen is also fed back into photovoltaic plant Communication Layer, be then respectively sent to
Overhead utility key-course, environmental Kuznets Curves layer；
Described photovoltaic plant key-course converts thereof into required according to the photovoltaic plant Communication Layer send instructions signal received
Controlled quentity controlled variable be sent to photovoltaic plant simulation layer；Photovoltaic plant simulation layer changes the inside of photovoltaic plant according to controlled quentity controlled variable
Operation；
Described environmental Kuznets Curves layer converts thereof into required according to the photovoltaic plant Communication Layer send instructions signal received
Controlled quentity controlled variable is sent to environmental simulation layer.
A kind of 2. photovoltaic plant simulation religion instrument runtime as claimed in claim 1, it is characterised in that described environmental simulation
The environmental variance that layer obtains includes irradiation level, temperature, humidity, longitude and latitude, elevation angle, orientation, and these variables can pass through respectively
Irradiatometer, Temperature Humidity Sensor, GPS, angular transducer are obtained.
A kind of 3. photovoltaic plant simulation religion instrument runtime as claimed in claim 1, it is characterised in that described photovoltaic plant
Photovoltaic group string topological structure, header box, DC/DC controllers, battery, inverter, AC load, straight is mainly provided with simulation layer
Current load；The photogenerated current of photovoltaic group string topological structure flows to DC/DC controllers after header box collects；Controlled from DC/DC
The electric current of device outflow is partly into battery, charges a battery or DC load power supply, the unnecessary electric energy of another part lead to
Cross inverter and be converted into alternating current, be connected to the grid or powered to AC load.
A kind of 4. photovoltaic plant simulation religion instrument runtime as claimed in claim 1, it is characterised in that described photovoltaic plant
The simulation power station variable of simulation layer output mainly includes component and group string or square formation electric current, component and group string or square formation voltage, converged
Flow tank current, header box voltage, DC/DC controllers electric current, DC/DC controllers voltage, battery current, battery tension, inverse
Become device electric current, contravarianter voltage, AC load electric current, DC/DC AC loads voltage, DC load current, DC load voltage.
A kind of 5. photovoltaic plant simulation religion instrument runtime as claimed in claim 1, it is characterised in that described photovoltaic plant
The controlled quentity controlled variable of key-course output includes component and the group topological relation of serializer circuit, the control algolithm of DC/DC controllers, battery fill
The algorithm of discharge controller, the control algolithm of inverter, the control of AC load, the control of DC load.
A kind of 6. photovoltaic plant simulation religion instrument runtime as claimed in claim 1, it is characterised in that described environmental Kuznets Curves
The controlled quentity controlled variable of layer output includes irradiation level, temperature, humidity, longitude and latitude, elevation angle, azimuth.
A kind of 7. photovoltaic plant simulation religion instrument runtime as claimed in claim 1, it is characterised in that photovoltaic group string topology knot
Structure is some cell panel difference series parallel structures, is entered by the one key switching function of human-computer interaction interface in photovoltaic plant supervisory layers
Row switching.
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| CN112185221A (en) * | 2020-09-03 | 2021-01-05 | 郑州万特电气股份有限公司 | Hybrid wind-solar hybrid power generation operation and maintenance simulation method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112185221A (en) * | 2020-09-03 | 2021-01-05 | 郑州万特电气股份有限公司 | Hybrid wind-solar hybrid power generation operation and maintenance simulation method and device |
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