CN116961119A - Photovoltaic power generation control method and device - Google Patents
Photovoltaic power generation control method and device Download PDFInfo
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- CN116961119A CN116961119A CN202210388074.1A CN202210388074A CN116961119A CN 116961119 A CN116961119 A CN 116961119A CN 202210388074 A CN202210388074 A CN 202210388074A CN 116961119 A CN116961119 A CN 116961119A
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- 238000010248 power generation Methods 0.000 title claims abstract description 232
- 238000000034 method Methods 0.000 title claims abstract description 58
- 230000005611 electricity Effects 0.000 claims abstract description 222
- 238000005286 illumination Methods 0.000 claims abstract description 115
- 238000005070 sampling Methods 0.000 claims abstract description 53
- 238000004590 computer program Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 description 18
- 238000012544 monitoring process Methods 0.000 description 10
- 238000004146 energy storage Methods 0.000 description 8
- 238000002955 isolation Methods 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000010223 real-time analysis Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
Abstract
The invention provides a photovoltaic power generation control method and device, comprising the following steps: receiving electricity consumption of an electricity consumption end, electricity storage capacity of an electricity storage system, photovoltaic sampling data and illumination environment data; and controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data. According to the photovoltaic power generation control method and device, the power consumption, the power storage capacity and the illumination environment data are analyzed, so that the starting or stopping of the photovoltaic power generation system and the power storage system is controlled, the problems of power generation and transmission in remote areas and difficult power consumption of residents are solved with low cost and low noise, and meanwhile, the power generation and power consumption in the remote areas are effectively and intelligently controlled.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a photovoltaic power generation control method.
Background
The shortage of power resources in remote areas around the world and the imperfect power supply system lead to series of problems such as difficulty and tension of domestic electricity.
The clean green energy power generation such as wind power, photovoltaic power generation and tidal power generation is raised, so that the influence of the traditional power generation on the environment can be solved, the requirements of independent power generation from the grid in island/remote areas can be met, the difficulty of power generation networking and power grid coverage is reduced, the flexibility is improved, and the power utilization requirement of special areas and the use requirement of electric appliances can be met;
however, in islanding or remote areas, the management of power generation and electricity usage is very difficult.
Disclosure of Invention
The invention provides a photovoltaic power generation control method and device, which are used for solving the defect that power generation and power utilization control are difficult in remote areas in the prior art and realizing effective control of power generation and power utilization in the remote areas.
The invention provides a photovoltaic power generation control method, which comprises the following steps: receiving electricity consumption of an electricity consumption end, electricity storage capacity of an electricity storage system, photovoltaic sampling data and illumination environment data;
and controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data.
According to the photovoltaic power generation control method provided by the invention, the starting or stopping of a photovoltaic power generation system and the power storage system is controlled according to the power consumption, the power storage quantity, the photovoltaic sampling data and the illumination environment data, and the method comprises the following steps:
judging the connection condition of the electricity utilization end and an external power grid;
judging the electricity consumption and the electricity storage under the condition that the electricity consumption end is not connected with the external power grid;
judging illumination intensity according to the illumination environment data under the condition that the electricity consumption is smaller than the electricity storage quantity;
judging the condition of the photovoltaic power generation system according to the photovoltaic sampling data under the condition that the illumination intensity in the illumination environment data is larger than an illumination threshold value;
under the condition that the photovoltaic power generation system is judged to be fault-free, generating a power generation instruction, and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction until the power storage system is fully loaded.
According to the photovoltaic power generation control method provided by the invention, after the power consumption and the power storage are judged, the method further comprises the following steps:
generating the power generation instruction under the condition that the power consumption is not less than the power storage quantity;
the power generation instruction is sent to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction;
receiving new electricity storage quantity sent by the electricity storage system;
and under the condition that the new electricity storage quantity is determined to be smaller than the electricity storage threshold value, the photovoltaic power generation system continuously operates until the new electricity storage quantity is not smaller than the electricity storage threshold value.
According to the photovoltaic power generation control method provided by the invention, after judging the connection condition of the power utilization end and an external power grid, the method further comprises the following steps:
receiving the power supply quantity of the external power grid to the power utilization end under the condition that the power utilization end is connected with the external power grid;
judging the electricity consumption and the power supply quantity;
judging the illumination intensity according to the illumination environment data under the condition that the electricity consumption is smaller than the power supply quantity;
generating a power generation instruction under the condition that the illumination intensity in the illumination environment data is larger than an illumination threshold value;
and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction.
According to the photovoltaic power generation control method provided by the invention, after judging the power consumption and the power supply quantity, the method further comprises the following steps:
generating a power supply instruction under the condition that the power consumption is not smaller than the power supply quantity;
the power supply instruction is sent to the power storage system so that the power storage system can supply power to the power utilization end according to the power supply instruction;
receiving new electricity storage quantity sent by the electricity storage system;
generating the power generation instruction under the condition that the power storage quantity is determined to be smaller than a power storage threshold value;
and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction.
According to the photovoltaic power generation control method provided by the invention, the power consumption of the receiving power utilization end, the power storage capacity of the power storage system, the photovoltaic sampling data and the illumination environment data comprise the following steps:
in the process of the operation of the electricity utilization end, the electricity utilization amount sent by the electricity utilization end is received, the electricity storage amount sent by the electricity storage system is received, photovoltaic sampling data sent by an illumination sampling system is received, and the illumination environment data sent by the photovoltaic power generation system is received.
The invention also provides a photovoltaic power generation control device, which comprises:
the receiving module is used for receiving the electricity consumption of the electricity consumption end, the electricity storage capacity of the electricity storage system, the photovoltaic sampling data and the illumination environment data;
and the control module is used for controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor implements the photovoltaic power generation control method as described above when executing the program.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a photovoltaic power generation control method as described in any of the above.
The invention also provides a computer program product comprising a computer program which when executed by a processor implements a photovoltaic power generation control method as described in any one of the above.
According to the photovoltaic power generation control method and device, the power consumption, the power storage capacity and the illumination environment data are analyzed, so that the starting or stopping of the photovoltaic power generation system and the power storage system is controlled, the problems of power generation and transmission in remote areas and difficult power consumption of residents are solved with low cost and low noise, and meanwhile, the power generation and power consumption in the remote areas are effectively and intelligently controlled.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a photovoltaic power generation control method provided by the invention;
fig. 2 is a schematic structural diagram of the photovoltaic power generation control system provided by the invention;
FIG. 3 is a second schematic flow chart of the photovoltaic power generation control method according to the present invention;
fig. 4 is a schematic structural diagram of the photovoltaic power generation control device provided by the invention;
fig. 5 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The domestic electricity is mainly used in electric appliances, and an unstable power supply not only can cause inconvenient living of residents, but also can cause excessive loss and even damage of the electric appliances.
The following describes a photovoltaic power generation control method and apparatus provided in an embodiment of the present invention with reference to fig. 1 to 5.
According to the photovoltaic power generation control method provided by the embodiment of the invention, the execution main body can be electronic equipment or software or a functional module or a functional entity capable of realizing the photovoltaic power generation control method in the electronic equipment, and the electronic equipment comprises but is not limited to a data processing center. The execution body is not limited to the present invention.
Fig. 1 is a schematic flow chart of the photovoltaic power generation control method provided by the invention, as shown in fig. 1, including but not limited to the following steps:
first, in step S1, the power consumption of the power consumption terminal, the power storage capacity of the power storage system, the photovoltaic sampling data, and the illumination environment data are received.
The electricity consumption of the electric terminal, the electricity storage of the electricity storage system and the illumination environment data are received in real time.
Fig. 2 is a schematic structural diagram of a photovoltaic power generation control system provided by the present invention, as shown in fig. 2, including: the power utilization end, an external power grid, an inversion and filtering system, a data processing center, a photovoltaic power generation system, a filtering and isolation system, an illumination sampling system and a power storage system, wherein the whole set of photovoltaic power generation control system can be applied to island areas with remote areas and suitable for photovoltaic power generation, such as islands or deserts.
The data 1 is the electricity storage amount of the electricity storage system, the data 2 is illumination environment data, the data 3 is monitoring data for the electricity storage system to transmit electric energy to an external power grid, the data 4 is the electricity consumption amount of the electricity utilization end, the data 5 is the electricity consumption amount provided by the external power grid to the electricity utilization end, and the data 6 is photovoltaic sampling data. The data 2 is collected by a photovoltaic power generation system and sent to a data processing center; the data 6 are obtained by sampling data of a photovoltaic matrix of the photovoltaic power generation system by the photovoltaic sampling system.
The instruction 1 is a power supply instruction and is used for starting the power storage system; the instruction 2 is a power generation instruction and is used for starting the photovoltaic power generation system; and the command 3 is a monitoring command and is used for starting the monitoring system so as to monitor the electric quantity and the electric energy quality of the electric energy transmitted by the external power grid by the monitoring electric storage system.
The data processing center can send an instruction 1 to the energy storage system and receive data 1 returned by the energy storage system; the data 2 sent by the photovoltaic power generation system can be received, and the instruction 2 can be sent to the photovoltaic power generation system; the method can also send an instruction 3 to a monitoring device for monitoring the power storage system to transmit electric energy to an external power grid, and receive data 3 returned by the monitoring device according to the instruction 3; the method comprises the steps of receiving data 4 sent by an electricity utilization end and receiving data 5 for an external power grid to transmit electric energy to the electricity utilization end; the data 6 collected by the photovoltaic sampling system for the photovoltaic matrix of the photovoltaic power generation system may also be received.
Direct Current (DC) output by the photovoltaic power generation system can be stored into the power storage system through the filtering and isolating system; the power storage system can transmit electric energy to an external power grid through the boost filtering and isolation system; the direct current in the electricity storage system can be converted into alternating current through the inversion and filtering system, and then electric energy is provided for the electricity utilization end.
Further, in step S2, starting or stopping of the photovoltaic power generation system and the power storage system is controlled according to the electricity consumption amount, the electricity storage amount, the photovoltaic sampling data and the illumination environment data.
Under the condition that the energy storage system supplies power for a user at the power utilization end, the power consumption and the power storage amount are compared, under the condition that the power storage amount is not smaller than the power consumption, the illumination environment is judged according to illumination environment data, under the condition that the illumination intensity in the illumination environment data is larger than an illumination threshold value, the current illumination environment is judged to be suitable for power generation, an instruction 2 is generated and sent to the photovoltaic power generation system, the photovoltaic power generation system continuously generates power, the power is stored to the power storage system through the filtering and isolating system until the power storage amount of the energy storage system is full, power generation is stopped, the power consumption, the power storage amount and the illumination environment data are repeatedly received, and real-time analysis and judgment are carried out on the latest received data.
According to the photovoltaic power generation control method, the power consumption, the power storage capacity and the illumination environment data are analyzed, so that the starting or stopping of the photovoltaic power generation system and the power storage system is controlled, the problems of power generation and transmission in remote areas and difficulty in power consumption of residents are solved with low cost and low noise, and meanwhile, the power generation and the power consumption in the remote areas are effectively and intelligently controlled.
Optionally, the receiving the electricity consumption of the electricity consumption end, the electricity storage of the electricity storage system, the photovoltaic sampling data and the illumination environment data includes:
in the process of the operation of the electricity utilization end, the electricity utilization amount sent by the electricity utilization end is received, the electricity storage amount sent by the electricity storage system is received, photovoltaic sampling data sent by an illumination sampling system is received, and the illumination environment data sent by the photovoltaic power generation system is received.
Optionally, the controlling the start or stop of the photovoltaic power generation system and the power storage system according to the electricity consumption amount, the electricity storage amount, the photovoltaic sampling data and the illumination environment data includes:
judging the connection condition of the electricity utilization end and an external power grid;
judging the electricity consumption and the electricity storage under the condition that the electricity consumption end is not connected with the external power grid;
judging illumination intensity according to the illumination environment data under the condition that the electricity consumption is smaller than the electricity storage quantity;
judging the condition of the photovoltaic power generation system according to the photovoltaic sampling data under the condition that the illumination intensity in the illumination environment data is larger than an illumination threshold value;
under the condition that the photovoltaic power generation system is judged to be fault-free, generating a power generation instruction, and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction until the power storage system is fully loaded.
The external power grid may be an extra high voltage direct current power grid.
Judging the connection condition of the power utilization end and an external power grid; judging the power consumption and the power storage under the condition that the power consumption end is not connected with an external power grid; and under the condition that the electricity consumption is smaller than the electricity storage quantity, the electricity storage system is not required to supply power to the electricity consumption end, and the illumination intensity is judged according to the illumination environment data.
The illumination environment data comprise illumination intensity, on the one hand, the illumination sampling system is used for collecting data 6 and sending the data 6 to the data processing center, fault analysis is carried out on the photovoltaic power generation system according to the data 6, an instruction 2 is generated and sent to the photovoltaic power generation system under the condition that the photovoltaic power generation system is determined to be fault-free, and the photovoltaic power generation system is started under the condition that the instruction 2 is received under the condition that the illumination intensity Lux (1 Lux=1 Lm/square meter) is not smaller than an illumination threshold value C; and generating a fault alarm under the condition that the photovoltaic power generation system is determined to have faults. The illumination threshold C can be flexibly adjusted according to practical application.
On the other hand, the electricity storage system sends the data 1 to the data processing center in real time, the data processing center analyzes the data 1, generates an instruction 1 to send to the electricity storage system under the condition that the electricity storage quantity Sc is not smaller than the electricity storage threshold value, and starts the electricity storage system under the condition that the instruction 1 is received, and provides the electric energy stored in the electricity storage system to a user through the inversion and filtering system. The electricity storage threshold is the capacity of the electricity storage system A%, and the value of A can be flexibly adjusted according to practical application.
Under the condition that the illumination intensity Lux is smaller than the illumination threshold C, continuously acquiring data 6 by using an illumination sampling system, sending the data 6 to a data processing center, performing fault analysis on a photovoltaic matrix of the photovoltaic power generation system according to the data 6, and generating fault alarm under the condition that the photovoltaic power generation system is determined to have faults.
Optionally, after the determining the electricity consumption amount and the electricity storage amount, the method further includes:
generating the power generation instruction under the condition that the power consumption is not less than the power storage quantity;
the power generation instruction is sent to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction;
receiving new electricity storage quantity sent by the electricity storage system;
and under the condition that the new electricity storage quantity is determined to be smaller than the electricity storage threshold value, the photovoltaic power generation system continuously operates until the new electricity storage quantity is not smaller than the electricity storage threshold value.
Under the condition that the electricity consumption is not less than the electricity storage quantity, the electricity storage system is required to supply power to the electricity consumption end in a supplementing manner, an instruction 2 is generated, and the instruction 2 is sent to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the instruction 2; and receiving the new electricity storage quantity sent by the electricity storage system in real time, and under the condition that the new electricity storage quantity is smaller than the electricity storage threshold value, determining that the electricity storage quantity of the electricity storage system is insufficient, continuously operating the photovoltaic power generation system until the new electricity storage quantity is not smaller than the electricity storage threshold value, and continuously acquiring the new electricity consumption quantity and the new electricity storage quantity.
Optionally, after the judging the connection condition of the electricity consumption end and the external power grid, the method further includes:
receiving the power supply quantity of the external power grid to the power utilization end under the condition that the power utilization end is connected with the external power grid;
judging the electricity consumption and the power supply quantity;
judging the illumination intensity according to the illumination environment data under the condition that the electricity consumption is smaller than the power supply quantity;
generating a power generation instruction under the condition that the illumination intensity in the illumination environment data is judged to be larger than the illumination threshold value;
and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction.
Judging the connection condition of the electricity utilization end and an external power grid, and judging the electricity utilization amount and the power supply amount under the condition that the electricity utilization end is determined to be connected with the external power grid; and under the condition that the electricity consumption is smaller than the power supply quantity, the electricity storage system is not required to supply power to the electricity consumption end, and the illumination intensity is judged according to the illumination environment data.
The illumination environment data comprise illumination intensity, on the one hand, the illumination sampling system is used for collecting data 6 and sending the data 6 to the data processing center under the condition that the illumination intensity Lux (1 Lux=1 Lm/square meter) is not smaller than an illumination threshold value C, the photovoltaic matrix of the photovoltaic power generation system is subjected to fault analysis according to the data 6, an instruction 2 is generated and sent to the photovoltaic power generation system under the condition that the photovoltaic power generation system is determined to be fault-free, the photovoltaic power generation system is started under the condition that the instruction 2 is received, and electric energy generated by photovoltaic power generation is stored to the power storage system through the filtering isolation system until the power storage system is fully loaded, and power generation is stopped; and generating a fault alarm under the condition that the photovoltaic power generation system is determined to have faults.
On the other hand, the electricity storage system sends the data 1 to the data processing center in real time, the data processing center analyzes the data 1, generates an instruction 1 to send to the electricity storage system under the condition that the electricity storage capacity is smaller than the electricity storage threshold value, and starts under the condition that the instruction 1 is received, so that the electric energy stored in the electricity storage system is provided for a user through an inversion and filtering system or provided for a power grid through a boosting and filtering and isolation system, and the income of a local user is increased.
Under the condition that the illumination intensity Lux is smaller than the illumination threshold C, continuously acquiring data 6 by using an illumination sampling system, sending the data 6 to a data processing center, performing fault analysis on a photovoltaic matrix of the photovoltaic power generation system according to the data 6, and generating fault alarm under the condition that the photovoltaic power generation system is determined to have faults.
Optionally, after the determination of the power consumption amount and the power supply amount, the method further includes:
generating a power supply instruction under the condition that the power consumption is not smaller than the power supply quantity;
the power supply instruction is sent to the power storage system so that the power storage system can supply power to the power utilization end according to the power supply instruction;
receiving new electricity storage quantity sent by the electricity storage system;
generating the power generation instruction under the condition that the power storage quantity is determined to be smaller than a power storage threshold value;
and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction.
Under the condition that the electricity consumption is not less than the electricity supply quantity, the electricity storage system is required to supply power to the electricity consumption end in a supplementing mode, an instruction 1 is generated, and the instruction 1 is sent to the electricity storage system so that the electricity storage system can supply power to the electricity consumption end according to the power supply instruction.
And receiving the new electricity storage quantity sent by the electricity storage system in real time, under the condition that the electricity storage quantity is determined to be smaller than the electricity storage threshold value, determining that the electricity storage quantity of the electricity storage system is insufficient, generating an instruction 2, sending the instruction 2 to the photovoltaic power generation system, so that the photovoltaic power generation system starts power generation according to the power generation instruction until the electricity storage quantity of the electricity storage system is not smaller than the electricity storage threshold value, and continuously acquiring the new electricity storage quantity.
Fig. 3 is a second flow chart of the photovoltaic power generation control method provided by the present invention, as shown in fig. 3, including:
firstly, receiving the electricity consumption of an electricity consumption end and the electricity storage capacity of an electricity storage system;
further, judging whether the photovoltaic power generation control system is connected with an external power grid or not;
on the one hand, under the condition that the photovoltaic power generation control system is connected with an external power grid, receiving the power supply quantity of the external power grid;
generating an instruction 1 to start the power storage system and receive new power storage in real time under the condition that the power consumption is not less than the power supply, and generating an instruction 2 to start the photovoltaic power generation system under the condition that the new power storage is less than a preset threshold until the received new power storage is not less than the power storage threshold;
and under the condition that the electricity consumption is smaller than the electricity supply quantity, judging the electricity storage quantity, under the condition that the electricity storage quantity is smaller than the electricity storage threshold value, determining that the electricity storage quantity of the electricity storage system is insufficient, receiving illumination environment data, under the condition that the illumination environment is determined to be suitable for generating electricity according to the illumination environment data, generating an instruction 2 to start the photovoltaic power generation system, and after the electricity storage system is fully loaded, transmitting energy to a power grid.
On the other hand, under the condition that the photovoltaic power generation control system is not connected with an external power grid, judging the power consumption and the power storage;
generating an instruction 2 to start the photovoltaic power generation system and start the filtering + isolation system, the power storage system and the inversion + filtering system under the condition that the power consumption is not less than the power storage and power storage; receiving new electricity storage quantity, and generating an instruction 2 under the condition that the new electricity storage quantity is smaller than a preset threshold value, so as to start the photovoltaic power generation system until the received new electricity storage quantity is not smaller than the electricity storage threshold value;
under the condition that the electricity consumption is smaller than the electricity storage and electricity storage quantity, receiving photovoltaic sampling data and illumination environment data, judging whether the photovoltaic power generation system fails according to the photovoltaic sampling data under the condition that the illumination environment is determined to be suitable for power generation according to the illumination environment data, and generating an instruction 2 under the condition that the photovoltaic power generation system fails, so as to start the photovoltaic power generation system until the electricity storage system is fully loaded.
According to the photovoltaic power generation control method provided by the invention, the intelligent management and control scheme of photovoltaic power generation electricity utilization and electricity storage systems in the island region is utilized, so that the sufficient electricity utilization of users in the island or remote environment is ensured, and the photovoltaic power generation maximum power and the electricity storage systems are effectively connected.
The photovoltaic power generation control device provided by the invention is described below, and the photovoltaic power generation control device described below and the photovoltaic power generation control method described above can be referred to correspondingly.
Fig. 4 is a schematic structural diagram of a photovoltaic power generation control device provided by the present invention, as shown in fig. 4, including:
the receiving module 401 is configured to receive power consumption of the power consumption terminal, power storage of the power storage system, photovoltaic sampling data, and illumination environment data;
and the control module 402 is used for controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data.
First, the receiving module 401 receives the power consumption of the power consumption terminal, the power storage of the power storage system, the photovoltaic sampling data and the illumination environment data
The electricity consumption of the electric terminal, the electricity storage of the electricity storage system and the illumination environment data are received in real time.
As shown in fig. 2, includes: the power utilization end, an external power grid, an inversion and filtering system, a data processing center, a photovoltaic power generation system, a filtering and isolation system, an illumination sampling system and a power storage system, wherein the whole set of photovoltaic power generation control system can be applied to island areas with remote areas and suitable for photovoltaic power generation, such as islands or deserts.
The data 1 is the electricity storage amount of the electricity storage system, the data 2 is illumination environment data, the data 3 is monitoring data for the electricity storage system to transmit electric energy to an external power grid, the data 4 is the electricity consumption amount of the electricity utilization end, the data 5 is the electricity consumption amount provided by the external power grid to the electricity utilization end, and the data 6 is photovoltaic sampling data. The data 2 is collected by a photovoltaic power generation system and sent to a data processing center; the data 6 are obtained by sampling data of a photovoltaic matrix of the photovoltaic power generation system by the photovoltaic sampling system.
The instruction 1 is a power supply instruction and is used for starting the power storage system; the instruction 2 is a power generation instruction and is used for starting the photovoltaic power generation system; and the command 3 is a monitoring command and is used for starting the monitoring system so as to monitor the electric quantity and the electric energy quality of the electric energy transmitted by the external power grid by the monitoring electric storage system.
The data processing center can send an instruction 1 to the energy storage system and receive data 1 returned by the energy storage system; the data 2 sent by the photovoltaic power generation system can be received, and the instruction 2 can be sent to the photovoltaic power generation system; the method can also send an instruction 3 to a monitoring device for monitoring the power storage system to transmit electric energy to an external power grid, and receive data 3 returned by the monitoring device according to the instruction 3; the method comprises the steps of receiving data 4 sent by an electricity utilization end and receiving data 5 for an external power grid to transmit electric energy to the electricity utilization end; the data 6 collected by the photovoltaic sampling system for the photovoltaic matrix of the photovoltaic power generation system may also be received.
Direct Current (DC) output by the photovoltaic power generation system can be stored into the power storage system through the filtering and isolating system; the power storage system can transmit electric energy to an external power grid through the boost filtering and isolation system; the direct current in the electricity storage system can be converted into alternating current through the inversion and filtering system, and then electric energy is provided for the electricity utilization end.
Further, the control module 402 controls the start or stop of the photovoltaic power generation system and the electricity storage system according to the electricity consumption amount, the electricity storage amount, the photovoltaic sampling data and the illumination environment data.
Under the condition that the energy storage system supplies power for a user at the power utilization end, the power consumption and the power storage amount are compared, under the condition that the power storage amount is not smaller than the power consumption, the illumination environment is judged according to illumination environment data, under the condition that the illumination intensity in the illumination environment data is larger than an illumination threshold value, the current illumination environment is judged to be suitable for power generation, an instruction 2 is generated and sent to the photovoltaic power generation system, the photovoltaic power generation system continuously generates power, the power is stored to the power storage system through the filtering and isolating system until the power storage amount of the energy storage system is full, power generation is stopped, the power consumption, the power storage amount and the illumination environment data are repeatedly received, and real-time analysis and judgment are carried out on the latest received data.
The photovoltaic power generation control device provided by the invention analyzes the power consumption, the power storage capacity and the illumination environment data, so that the starting or stopping of the photovoltaic power generation system and the power storage system is controlled, the problems of power generation and transmission in remote areas and difficult power consumption of residents are solved with low cost and low noise, and meanwhile, the power generation and power consumption in remote areas are effectively and intelligently controlled.
Fig. 5 is a schematic structural diagram of an electronic device according to the present invention, and as shown in fig. 5, the electronic device may include: processor 510, communication interface (Communications Interface) 520, memory 530, and communication bus 540, wherein processor 510, communication interface 520, memory 530 complete communication with each other through communication bus 540. The processor 510 may invoke logic instructions in the memory 530 to perform a photovoltaic power generation control method comprising: receiving electricity consumption of an electricity consumption end, electricity storage capacity of an electricity storage system, photovoltaic sampling data and illumination environment data; and controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data.
Further, the logic instructions in the memory 530 described above may be implemented in the form of software functional units and may be stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, the computer program product including a computer program, the computer program being storable on a non-transitory computer readable storage medium, the computer program, when executed by a processor, being capable of executing the photovoltaic power generation control method provided by the above methods, the method comprising: receiving electricity consumption of an electricity consumption end, electricity storage capacity of an electricity storage system, photovoltaic sampling data and illumination environment data; and controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data.
In yet another aspect, the present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the photovoltaic power generation control method provided by the above methods, the method comprising: receiving electricity consumption of an electricity consumption end, electricity storage capacity of an electricity storage system, photovoltaic sampling data and illumination environment data; and controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A photovoltaic power generation control method, characterized by comprising:
receiving electricity consumption of an electricity consumption end, electricity storage capacity of an electricity storage system, photovoltaic sampling data and illumination environment data;
and controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data.
2. The method according to claim 1, wherein the controlling the start or stop of the photovoltaic power generation system and the electricity storage system according to the electricity consumption amount, the electricity storage amount, the photovoltaic sampling data, and the illumination environment data comprises:
judging the connection condition of the electricity utilization end and an external power grid;
judging the electricity consumption and the electricity storage under the condition that the electricity consumption end is not connected with the external power grid;
judging illumination intensity according to the illumination environment data under the condition that the electricity consumption is smaller than the electricity storage quantity;
judging the condition of the photovoltaic power generation system according to the photovoltaic sampling data under the condition that the illumination intensity in the illumination environment data is larger than an illumination threshold value;
and under the condition that the photovoltaic power generation system is judged to be fault-free, generating a power generation instruction, and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction until the power storage system is fully loaded.
3. The photovoltaic power generation control method according to claim 2, characterized by further comprising, after the determination of the power consumption amount and the power storage amount:
generating the power generation instruction under the condition that the power consumption is not less than the power storage quantity;
the power generation instruction is sent to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction;
receiving new electricity storage quantity sent by the electricity storage system;
and under the condition that the new electricity storage quantity is determined to be smaller than the electricity storage threshold value, the photovoltaic power generation system continuously operates until the new electricity storage quantity is not smaller than the electricity storage threshold value.
4. The photovoltaic power generation control method according to claim 2, further comprising, after the determining of the connection condition of the power end to an external power grid:
receiving the power supply quantity of the external power grid to the power utilization end under the condition that the power utilization end is connected with the external power grid;
judging the electricity consumption and the power supply quantity;
judging the illumination intensity according to the illumination environment data under the condition that the electricity consumption is smaller than the power supply quantity;
generating a power generation instruction under the condition that the illumination intensity in the illumination environment data is larger than an illumination threshold value;
and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction.
5. The photovoltaic power generation control method according to claim 4, characterized by further comprising, after determining the power consumption amount and the power supply amount:
generating a power supply instruction under the condition that the power consumption is not smaller than the power supply quantity;
the power supply instruction is sent to the power storage system so that the power storage system can supply power to the power utilization end according to the power supply instruction;
receiving new electricity storage quantity sent by the electricity storage system;
generating the power generation instruction under the condition that the power storage quantity is determined to be smaller than a power storage threshold value;
and sending the power generation instruction to the photovoltaic power generation system so that the photovoltaic power generation system can start power generation according to the power generation instruction.
6. The photovoltaic power generation control method according to any one of claims 1 to 5, characterized in that the receiving power consumption amount of the power consumption end, the power storage amount of the power storage system, the photovoltaic sampling data, and the illumination environment data include:
in the process of the operation of the electricity utilization end, the electricity utilization amount sent by the electricity utilization end is received, the electricity storage amount sent by the electricity storage system is received, photovoltaic sampling data sent by an illumination sampling system is received, and the illumination environment data sent by the photovoltaic power generation system is received.
7. A photovoltaic power generation control device, characterized by comprising:
the receiving module is used for receiving the electricity consumption of the electricity consumption end, the electricity storage capacity of the electricity storage system, the photovoltaic sampling data and the illumination environment data;
and the control module is used for controlling the start or stop of the photovoltaic power generation system and the power storage system according to the power consumption, the power storage capacity, the photovoltaic sampling data and the illumination environment data.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the photovoltaic power generation control method of any of claims 1 to 6 when the program is executed by the processor.
9. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the photovoltaic power generation control method according to any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the photovoltaic power generation control method according to any one of claims 1 to 6.
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| CN202210388074.1A CN116961119A (en) | 2022-04-13 | 2022-04-13 | Photovoltaic power generation control method and device |
| PCT/CN2022/137522 WO2023197634A1 (en) | 2022-04-13 | 2022-12-08 | Photovoltaic power generation control method, and apparatus |
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| CN107040034A (en) * | 2016-02-03 | 2017-08-11 | 珠海格力电器股份有限公司 | A kind of photovoltaic energy storage air-conditioning device and control method |
| CN110350573B (en) * | 2018-04-03 | 2021-12-07 | 中国石油化工股份有限公司 | Self-healing power supply system and control method |
| CN109713712B (en) * | 2018-10-10 | 2023-08-29 | 国电投天启(广东)智慧能源科技有限责任公司 | Optical storage intelligent management integrated machine and optical storage intelligent management method |
| CN110460105B (en) * | 2019-09-26 | 2021-02-23 | 珠海格力电器股份有限公司 | Starting method and controller of photovoltaic air conditioning system and photovoltaic air conditioning system |
| CN111600330A (en) * | 2019-11-20 | 2020-08-28 | 中国节能减排有限公司 | Micro-grid system |
| CN112737078A (en) * | 2020-12-21 | 2021-04-30 | 珠海格力电器股份有限公司 | Control device and method of direct-current power supply system and direct-current power supply system |
| CN114336753A (en) * | 2022-01-05 | 2022-04-12 | 北京京运通科技股份有限公司 | Photovoltaic power generation and wind power generation integrated management system |
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