CN115566679B - Micro-grid energy control method and system based on energy router - Google Patents
Micro-grid energy control method and system based on energy router Download PDFInfo
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- CN115566679B CN115566679B CN202211420156.6A CN202211420156A CN115566679B CN 115566679 B CN115566679 B CN 115566679B CN 202211420156 A CN202211420156 A CN 202211420156A CN 115566679 B CN115566679 B CN 115566679B
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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
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
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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
- H02J3/02—Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power
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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
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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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
- H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
Abstract
The invention provides a micro-grid energy control method and system based on an energy router, which are applied to the technical field of data processing control, and the method comprises the following steps: by obtaining energy source attributes. And acquiring terminal load data, acquiring supply information of the micro-grid, analyzing current attributes, and establishing an energy supply current list. And acquiring port connection information and establishing an energy source relation list. Matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, determining the attribute relation of supply and demand matching current, matching the current demand of the supply and demand matching current attribute relation, and establishing direct supply connection according to the matching result. And determining a supply-demand corresponding relation based on the direct supply connection and the supply information of the microgrid, and further determining supply control information. The technical problem that electric energy is wasted due to frequent conversion because an intelligent energy router energy control method is lacked in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of data processing control, in particular to a micro-grid energy control method and system based on an energy router.
Background
The micro-grid is a small-sized power generation and distribution system composed of a distributed power supply, an energy storage device, a power generation device, a load device and the like. The most important part of the micro-grid is to achieve coordinated distribution of energy between each power generation device and the load. In the prior art, due to the diversification of power generation forms in a microgrid, an energy router needs to perform conversion of energy specification parameters when performing energy distribution, such as converting a direct current power generation device into alternating current used by a load, and the like.
Therefore, an intelligent energy router energy control method is lacked in the prior art, so that the technical problem of electric energy waste caused by frequent conversion of electric energy is caused.
Disclosure of Invention
The application provides a microgrid energy control method and system based on an energy router, which are used for solving the technical problem that electric energy is wasted due to frequent conversion because an intelligent energy router energy control method is lacked in the prior art.
In view of the above problems, the present application provides a microgrid energy control method and system based on an energy router.
In a first aspect of the present application, there is provided a microgrid energy control method based on an energy router, the method including: obtaining energy supply source information, and performing current attribute analysis on the energy supply source information to determine energy source attributes; acquiring terminal load data of the micro-grid to obtain micro-grid supply information; analyzing the current attribute of the supply information of the microgrid, and establishing an energy supply current list, wherein the energy supply current list comprises a load end current attribute, a current demand, a flow transmission attribute and a mapping relation of the flow transmission attribute; acquiring connection information of ports of an energy router, acquiring supply source information connected with each port of the energy router, and establishing an energy source relation list, wherein the energy source relation list comprises the port information of the energy router, the energy supply source information, energy source attributes and mapping relations thereof; matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, determining the attribute relation of supply and demand matching current, matching the current demand of the supply and demand matching current attribute relation, and establishing direct supply connection between the energy source meeting the supply and demand matching requirement and the energy supply end; determining a supply-demand corresponding relation based on the direct supply connection and the supply information of the microgrid; and determining supply control information according to the supply-demand correspondence and the energy router port connection information.
In a second aspect of the present application, there is provided an energy router-based microgrid energy control system, comprising: the energy source attribute determining module is used for acquiring energy supply source information, carrying out current attribute analysis on the energy supply source information and determining an energy source attribute; the micro-grid supply information acquisition module is used for acquiring terminal load data of the micro-grid to acquire micro-grid supply information; the energy supply current list establishing module is used for analyzing the current attribute of the supply information of the micro-grid and establishing an energy supply current list, wherein the energy supply current list comprises a load end current attribute, a current demand, a flow transmission attribute and a mapping relation of the flow transmission attribute; the energy source relation list establishing module is used for obtaining the connection information of the ports of the energy router, obtaining the supply source information connected with the ports of the energy router, and establishing an energy source relation list, wherein the energy source relation list comprises the port information of the router, the energy supply source information, the attribute of the energy source and the mapping relation of the attribute of the energy source; the supply and demand matching module is used for matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, determining the attribute relation of the supply and demand matching current, matching the current demand of the supply and demand matching current attribute relation, and establishing direct supply connection between the energy source meeting the supply and demand matching requirement and the energy supply end; the supply and demand corresponding relation determining module is used for determining the supply and demand corresponding relation based on the direct supply connection and microgrid supply information; and the supply control information determining module is used for determining supply control information according to the supply-demand corresponding relation and the energy router port connection information.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the method provided by the embodiment of the application obtains the energy supply source information, and performs current attribute analysis on the energy supply source information to determine the energy source attribute. And acquiring terminal load data of the micro-grid to obtain supply information of the micro-grid. And analyzing the current attribute of the supply information of the micro-grid, and establishing an energy supply current list, wherein the energy supply current list comprises the current attribute of a load end, the current demand, the flow transmission attribute and the mapping relation thereof. The method comprises the steps of obtaining port connection information of the energy router, obtaining supply source information connected with each port of the energy router, and establishing an energy source relation list, wherein the energy source relation list comprises the port information of the energy router, the energy supply source information, energy source attributes and mapping relations of the energy source attributes. And matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, determining the attribute relation of supply and demand matching current, matching the current demand of the supply and demand matching current attribute relation, and establishing direct supply connection between the energy source meeting the supply and demand matching requirement and the energy supply end. And determining a supply-demand corresponding relation based on the direct supply connection and the microgrid supply information. And determining supply control information according to the supply-demand correspondence and the energy router port connection information, thereby completing intelligent control of the energy router microgrid, further reducing the electric energy loss caused by the direct current and alternating current electric energy conversion process, and reducing the technical effect of electric energy waste. The technical problem that electric energy is wasted due to frequent conversion because an intelligent energy router energy control method is lacked in the prior art is solved.
The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.
Drawings
Fig. 1 is a schematic flowchart of a microgrid energy control method based on an energy router provided in the present application;
fig. 2 is a schematic flowchart illustrating a process of acquiring connection information of an energy router port in a microgrid energy control method based on an energy router according to the present application;
fig. 3 is a schematic flow chart illustrating the determination of supply control information in a microgrid energy control method based on an energy router according to the present application;
fig. 4 is a schematic structural diagram of a microgrid energy control system based on an energy router.
Description of reference numerals: the system comprises an energy source attribute determining module 11, a microgrid supply information acquiring module 12, an energy supply current list establishing module 13, an energy source relation list establishing module 14, a supply and demand matching module 15, a supply and demand corresponding relation determining module 16 and a supply control information determining module 17.
Detailed Description
The application provides a microgrid energy control method and system based on an energy router, which are used for solving the technical problem that electric energy is wasted due to frequent conversion because an intelligent energy router energy control method is lacked in the prior art.
The technical solution in the present application will be described clearly and completely with reference to the accompanying drawings. The embodiments described are only a part of the disclosure that can be realized by the present application, and not the entire disclosure of the present application.
Example one
As shown in fig. 1, the present application provides a microgrid energy control method based on an energy router, the method including:
step 100: obtaining energy supply source information, and performing current attribute analysis on the energy supply source information to determine energy source attributes;
step 200: acquiring terminal load data of the microgrid to obtain microgrid supply information;
step 300: analyzing current attributes of the supply information of the microgrid, and establishing an energy supply current list, wherein the energy supply current list comprises current attributes of a load end, current demand, flow transmission attributes and mapping relations of the attributes;
specifically, the microgrid is a small-sized power generation and distribution system composed of a distributed power supply, an energy storage device, an energy conversion device, a load, a monitoring and protecting device and the like. The energy conversion device is used for converting energy in other forms into electric energy, such as photovoltaic power generation, wind power generation and other power generation forms. Acquiring energy supply source information, performing current attribute analysis on the energy supply source information, acquiring the attribute of direct current or alternating current as current, and acquiring the attribute of an energy source. And then, carrying out terminal load data acquisition on the micro-grid, acquiring a power supply object of a load end, and acquiring micro-grid supply information. And analyzing the current attribute of the supply information of the micro-grid, and analyzing the current attribute requirements of the power supply object. And establishing a supply current list, wherein the energy supply current list comprises load end current attributes, current demands, flow transmission attributes and mapping relations thereof. That is, the energy supply current list includes the load-side current attribute, the current demand, and the flow transmission attribute of the load, that is, whether the load can perform bidirectional current flow, that is, the load can be used as a power supply device to supply power and a device corresponding to the above data.
Step 400: acquiring connection information of ports of an energy router, acquiring supply source information connected with each port of the energy router, and establishing an energy source relation list, wherein the energy source relation list comprises the port information of the energy router, the energy supply source information, energy source attributes and mapping relations thereof;
step 500: matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, determining the attribute relation of supply and demand matching current, matching the current demand of the supply and demand matching current attribute relation, and establishing direct supply connection between the energy source meeting the supply and demand matching requirement and the energy supply end;
specifically, connection information of a port of the energy router is obtained, the port connection information is connection information of an energy input port of the energy router, connection supply source information of the port of the energy router is obtained, and an energy source relation list is established, wherein the energy source relation list comprises the port information of the energy router, the energy supply source information, energy source attributes and mapping relations of the energy source attributes. The energy supply source information is the supply source of energy such as photovoltaic power generation, wind power generation, and other forms of power generation or power storage. The energy source property is a current property of the energy source. And then, matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, and determining the current attribute relation between the electric energy supply end and the electric energy consumption end. And matching the current demand quantity of the supply and demand matching current attribute relation, establishing direct supply connection between the energy source meeting the supply and demand matching requirement and the energy supply end, namely establishing direct supply connection between the equipment with the current attributes of the electric energy supply end and the electric energy consumption end consistent, namely directly connecting the energy supply end and the load end to avoid conversion of the electric energy form.
As shown in fig. 2, the method steps 400 provided in the embodiment of the present application further include:
step 410: determining port supply connection information according to the microgrid supply information;
step 420: acquiring energy router port parameter information;
step 430: performing supply source-port parameter matching according to the energy supply source information and the energy router port parameter information, and determining port connectable source information;
step 440: determining an energy source selectable port according to the port supply connection information and the energy router port parameter information;
step 450: optimizing the energy supply source information according to the selectable energy source port and the connectable port source information and the microgrid supply information to determine the energy supply source connection information;
step 460: and acquiring the port connection information of the energy router according to the port supply connection information and the energy supply source connection information.
Specifically, port supply connection information is determined according to the microgrid supply information, wherein the port supply connection information is connection information of loads of the microgrid and comprises power information such as load connection positions, required current magnitude and current attributes and the like. And then, acquiring parameter information of an energy router port, wherein the energy router port comprises an energy source port and a supply port, the port parameter information is an electrical parameter for connecting the ports, and the port parameter information comprises electrical parameter information such as current size, attribute and the like. And performing supply source-port parameter matching according to the energy supply source information and the energy router port parameter information, and further determining power supply source information which can be connected by the port. Namely, the power supply source which can be connected by the port is determined according to the energy source and the port parameter. And determining the selectable port of the load energy source according to port supply connection information, namely load end connection information and energy router port parameter information, namely acquiring the selectable port capable of supporting load operation. Further, optimizing the energy supply source information according to the optional port of the energy source and the connectable source information of the port and the supply information of the microgrid, and determining the connection information of the energy supply source. The method comprises the steps of conducting optimization matching of a load end and an energy supply end according to an energy source selectable port and port connectable source information, and further determining energy supply source connection information, wherein the energy supply source connection information is connection information of energy supply in a micro-grid router. And finally, acquiring the port connection information of the energy router according to the port supply connection information and the energy supply source connection information, namely acquiring the connection information of the input and output ports of the energy router.
The method steps 450 provided by the embodiment of the present application further include:
step 451: establishing a connection strategy set according to the port connectable source information and the energy source selectable port;
step 452: analyzing the current attribute and the current demand characteristic of the load end according to the microgrid supply information to construct constraint conditions;
step 453: and based on the constraint conditions, performing global optimization on the connection strategy set through an annealing algorithm to obtain an optimal connection strategy, and taking the optimal connection strategy as the connection information of the energy supply source.
Specifically, a connection policy set is established according to port connectable source information and the energy source selectable port, that is, the connection policy set is established according to the port connectable source and the load energy source selectable port. And then, carrying out characteristic analysis on the current attribute and the current demand of the load end according to the supply information of the microgrid, and constructing constraint conditions. According to the current attribute and the current demand of the load end, a constraint condition is constructed, and the port energy source which does not meet the current attribute and the current demand in the constraint condition is constrained. And finally, performing global optimization of the connection strategy in the connection strategy set through an annealing algorithm based on the constraint conditions to obtain an optimal connection strategy, and taking the optimal connection strategy as the connection information of the energy supply source.
The method steps 453 provided by the embodiments of the present application further include:
step 453-1: randomly selecting a first connection strategy from the connection strategy set, and calculating the fitness of the first connection strategy to obtain first fitness;
step 453-2: randomly selecting a second connection strategy from the connection strategy set, and calculating the fitness of the second connection strategy to obtain a second fitness;
step 453-3: judging whether the second fitness exceeds the first fitness, if so, taking the first connection strategy as the current optimal strategy, and if not, passing a probability discrimination formula:
obtaining a judgment probability, wherein e is a natural logarithm, n1 is a first fitness, n2 is a second fitness, and k is an optimization rate factor;
step 453-4: when P is larger than the random number in the interval of [0,1), taking the second connection strategy as the current optimal strategy, and if not, taking the first connection strategy as the current optimal strategy;
step 453-5: and repeating iteration until the optimization stopping condition is reached, and taking the current optimal strategy as the optimal connection strategy.
Specifically, a first connection strategy is randomly selected from the connection strategy set, and fitness calculation is performed on the first connection strategy to obtain first fitness. When the fitness is calculated, the weight of the electrical parameters such as the supply current and the voltage of the connection strategy is set, wherein the weight of each electrical parameter can be set according to the demand bias of the load equipment. And then, calculating the product of each supply current, voltage and other electrical parameters and the corresponding weight, and accumulating to obtain a fitness calculation result. Further, a second connection strategy randomly selected from the connection strategy set is obtained, and fitness calculation is carried out on the second connection strategy to obtain second fitness. Judging whether the second fitness exceeds the first fitness, if so, taking the first connection strategy as the current optimal strategy, and if not, passing a probability discrimination formula:
and obtaining a judgment probability, wherein e is a natural logarithm, n1 is a first fitness, n2 is a second fitness, and k is an optimizing rate factor. And when P is larger than the random number in the interval of [0,1), taking the second connection strategy as the current optimal strategy, and if not, taking the first connection strategy as the current optimal strategy. And repeating iteration until the optimization stopping condition is reached, and taking the current optimal strategy as the optimal connection strategy.
Step 600: determining a supply-demand corresponding relation based on the direct supply connection and the microgrid supply information;
step 700: and determining supply control information according to the supply-demand correspondence and the energy router port connection information.
Specifically, the supply-demand correspondence is determined based on the direct supply connection and the microgrid supply information, that is, the supply-demand correspondence in the microgrid is determined by determining the direct supply connection and the microgrid supply information. And finally, determining the supply control information of the energy router, namely the energy control method of the energy router, according to the supply-demand correspondence and the port connection information of the energy router. The intelligent control of the energy router microgrid is completed, and the electric energy loss caused by the direct current and alternating current electric energy conversion process is further reduced.
As shown in fig. 3, the method steps 700 provided by the embodiment of the present application further include:
step 710: determining the energy characteristics of each supply load port according to the supply and demand correspondence and the energy router port connection information;
step 720: determining load supply demand changes based on the supply load port energy characteristics;
step 730: determining the supply control information according to the load supply demand change.
Specifically, since the load is not fixed, the energy router is required to adjust, and the energy characteristics of each supply load port are determined according to the supply-demand correspondence and the connection information of the energy router ports. The energy characteristics of the corresponding load port are required energy change characteristics of each load port, such as required power change, current change characteristics and other electric energy characteristics. And determining load supply demand change, namely acquiring the demand change of the load based on the energy characteristics of each supply load port. And determining the supply control information according to the load supply demand change, performing distribution control on the electric energy supply end through the supply control information, and reasonably distributing the electric energy supply end to each load end.
The method steps 700 provided by the embodiment of the present application further include:
step 740: performing load port supply importance analysis based on the energy characteristics of each supply load port, and determining the load supply importance of each load port;
step 750: determining load demand gap time based on load supply demand change and supply demand corresponding relation of each load port;
step 760: and when the time of the load demand gap is reached, carrying out weight distribution according to the load supply importance, and carrying out energy distribution on the demand gap according to a weight distribution result.
Specifically, based on the energy characteristics of each supply load port, load port supply importance analysis is performed to determine the load supply importance of each load port. And then determining the time of the gap of the load demand based on the load supply demand change and the supply and demand corresponding relation of each load port, namely determining the time of the gap of the electric energy demand of the load according to the load supply demand change and the supply and demand corresponding relation. And when the time of the load demand gap is reached, carrying out weight distribution according to the load supply importance, and carrying out energy distribution on the demand gap according to a weight distribution result.
The method steps 700 provided by the embodiment of the present application further include:
step 800: analyzing energy characteristics of each port according to the port connection information of the energy router, and determining the energy characteristics of the ports, wherein the energy characteristics of the ports comprise the current amount of energy and the energy change trend;
step 810: generating port energy labels and trend labels according to the current energy quantity and the energy change trend, and marking each port according to the port energy labels and the trend labels;
step 820: acquiring the current quantity of port energy and an energy change trend based on the port mark, performing current quantity matching on the load port and the supply port to generate current supply control information, performing energy change trend matching on the load port and the supply port, and determining and adjusting the supply control information;
step 830: and combining the current supply control information and the adjusted supply control information to form the supply control information.
Specifically, according to the port connection information of the energy router, port energy characteristic analysis is performed to determine the port energy characteristics. The port energy characteristics comprise the current amount of energy and the energy change trend. The quantity is the quantity of energy supply or consumption of the supply port and the load port, and the energy change trend is the change trend of the supply or consumption energy of each port. And generating a port energy label and a trend label according to the current energy quantity and the energy change trend. The port energy label is the current energy supply or consumption quantity, and the trend label is the label corresponding to the energy change trend of the port. Energy trends such as specific times of increase or decrease. Subsequently, each port is marked according to the port energy label and the trend label. And acquiring the current quantity of port energy and the energy change trend based on the port marks. And matching the current quantity of the load ports with the current quantity of the supply ports to generate current supply control information, matching the energy change trend of the load ports with the energy change trend of the supply ports, and determining and adjusting the supply control information. And finally, combining the current supply control information and the adjusted supply control information to form supply control information, finishing intelligent control on the energy of the energy router microgrid, and further reducing the electric energy loss caused by the direct current and alternating current electric energy conversion process.
In summary, the method provided by the embodiment of the present application obtains the energy source attribute. And acquiring terminal load data, acquiring micro-grid supply information, analyzing current attributes, and establishing an energy supply current list. And acquiring port connection information and establishing an energy source relation list. Matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, determining the attribute relation of supply and demand matching current, matching the current demand of the supply and demand matching current attribute relation, and establishing direct supply connection according to the matching result. And determining a supply-demand corresponding relation based on the direct supply connection and the supply information of the microgrid, and further determining supply control information. The connection mode of the energy is determined according to the relation between the power supply attribute and the power utilization attribute, so that the intelligent control of the energy router microgrid is completed, the electric energy loss caused by the direct current and alternating current electric energy conversion process is further reduced, and the technical effect of electric energy waste is reduced. The technical problem that electric energy is wasted due to frequent conversion because an intelligent energy router energy control method is lacked in the prior art is solved.
Example two
Based on the same inventive concept as the energy router-based microgrid energy control method in the previous embodiment, as shown in fig. 4, the present application provides an energy router-based microgrid energy control system, which includes:
the energy source attribute determining module 11 is configured to obtain energy supply source information, perform current attribute analysis on the energy supply source information, and determine an energy source attribute;
the microgrid supply information acquisition module 12 is used for acquiring terminal load data of the microgrid to acquire microgrid supply information;
an energy supply current list establishing module 13, configured to perform current attribute analysis on the microgrid supply information, and establish an energy supply current list, where the energy supply current list includes a load end current attribute, a current demand, a flow transmission attribute, and a mapping relationship thereof;
an energy source relationship list establishing module 14, configured to obtain connection information of ports of an energy router, obtain supply source information for connection of each port of the energy router, and establish an energy source relationship list, where the energy source relationship list includes the router port information, the energy supply source information, an energy source attribute, and a mapping relationship thereof;
the supply and demand matching module 15 is configured to perform load-side current attribute matching with the energy source attribute based on the energy source relationship list and the energy supply current list, determine a supply and demand matching current attribute relationship, perform current demand matching on the supply and demand matching current attribute relationship, and establish direct supply connection between the energy source and the energy supply side that meet the supply and demand matching requirements;
a supply and demand correspondence relation determining module 16, configured to determine a supply and demand correspondence relation based on the direct supply connection and the microgrid supply information;
and a supply control information determining module 17, configured to determine supply control information according to the supply-demand correspondence and the energy router port connection information.
Further, the energy source relationship list establishing module 14 is further configured to:
determining port supply connection information according to the microgrid supply information;
acquiring energy router port parameter information;
performing supply source-port parameter matching according to the energy supply source information and the energy router port parameter information, and determining port connectable source information;
determining an energy source selectable port according to the port supply connection information and the energy router port parameter information;
optimizing the energy supply source information according to the selectable energy source port and the port connectable source information and the microgrid supply information to determine the energy supply source connection information;
and acquiring the port connection information of the energy router according to the port supply connection information and the energy supply source connection information.
Further, the energy source relationship list establishing module 14 is further configured to:
establishing a connection strategy set according to the port connectable source information and the energy source selectable port;
analyzing the current attribute and the current demand characteristic of the load end according to the microgrid supply information to construct constraint conditions;
and based on the constraint conditions, performing global optimization on the connection strategy set through an annealing algorithm to obtain an optimal connection strategy, and taking the optimal connection strategy as the connection information of the energy supply source.
Further, the energy source relationship list establishing module 14 is further configured to:
randomly selecting a first connection strategy from the connection strategy set, and calculating the fitness of the first connection strategy to obtain a first fitness;
randomly selecting a second connection strategy from the connection strategy set, and calculating the fitness of the second connection strategy to obtain a second fitness;
judging whether the second fitness exceeds the first fitness, if so, taking the first connection strategy as the current optimal strategy, and if not, passing a probability discrimination formula:
obtaining a judgment probability, wherein e is a natural logarithm, n1 is a first fitness, n2 is a second fitness, and k is an optimization rate factor;
when P is larger than the random number in the interval of [0,1), taking the second connection strategy as the current optimal strategy, and if not, taking the first connection strategy as the current optimal strategy;
and repeating iteration until the optimization stopping condition is reached, and taking the current optimal strategy as the optimal connection strategy.
Further, the supply control information determining module 17 is further configured to:
determining the energy characteristics of each supply load port according to the supply and demand correspondence and the energy router port connection information;
determining load supply demand changes based on the supply load port energy characteristics;
determining the supply control information according to the load supply demand change.
Further, the supply control information determination module 17 is further configured to:
performing load port supply importance analysis based on the energy characteristics of each supply load port, and determining the load supply importance of each load port;
determining load demand gap time based on load supply demand change and supply demand corresponding relation of each load port;
and when the time of the load demand gap is reached, carrying out weight distribution according to the load supply importance, and carrying out energy distribution on the demand gap according to a weight distribution result.
Further, the supply control information determination module 17 is further configured to:
analyzing energy characteristics of each port according to the port connection information of the energy router, and determining the energy characteristics of the ports, wherein the energy characteristics of the ports comprise the current amount of energy and the energy change trend;
generating port energy labels and trend labels according to the current energy quantity and the energy change trend, and marking each port according to the port energy labels and the trend labels;
acquiring the current quantity of port energy and an energy change trend based on the port mark, performing current quantity matching on the load port and the supply port to generate current supply control information, performing energy change trend matching on the load port and the supply port, and determining and adjusting the supply control information;
and combining the current supply control information and the adjusted supply control information to form the supply control information.
The second embodiment is used for executing the method as in the first embodiment, and both the execution principle and the execution basis can be obtained through the content recorded in the first embodiment, which is not described herein again. Although the present application has been described in connection with particular features and embodiments thereof, the present application is not limited to the example embodiments described herein. Based on the embodiments of the present application, those skilled in the art can make various changes and modifications to the present application without departing from the scope of the present application, and the content thus obtained also falls within the scope of protection of the present application.
Claims (7)
1. A microgrid energy control method based on an energy router is characterized by comprising the following steps:
obtaining energy supply source information, and performing current attribute analysis on the energy supply source information to determine energy source attributes;
acquiring terminal load data of the micro-grid to obtain micro-grid supply information;
analyzing the current attribute of the supply information of the microgrid, and establishing an energy supply current list, wherein the energy supply current list comprises a load end current attribute, a current demand, a flow transmission attribute and a mapping relation of the flow transmission attribute;
acquiring energy router port connection information, acquiring supply source information connected with each port of an energy router, and establishing an energy source relation list, wherein the energy source relation list comprises router port information, energy supply source information, energy source attributes and mapping relations thereof, and the acquiring of the energy router port connection information comprises the following steps: determining port supply connection information according to the microgrid supply information; acquiring energy router port parameter information; performing supply source-port parameter matching according to the energy supply source information and the energy router port parameter information, and determining port connectable source information; determining an energy source selectable port according to the port supply connection information and the energy router port parameter information; optimizing the energy supply source information according to the selectable energy source port and the port connectable source information and the microgrid supply information to determine the energy supply source connection information; acquiring port connection information of the energy router according to the port supply connection information and the energy supply source connection information;
matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, determining the attribute relation of supply and demand matching current, matching the current demand of the supply and demand matching current attribute relation, and establishing direct supply connection between the energy source meeting the supply and demand matching requirement and the energy supply end;
determining a supply-demand corresponding relation based on the direct supply connection and the microgrid supply information;
and determining supply control information according to the supply-demand correspondence and the energy router port connection information.
2. The method of claim 1, wherein optimizing energy supply source information according to the microgrid supply information based on the energy source selectable port, the port connectable source information, determining energy supply source connection information, comprises:
establishing a connection strategy set according to the port connectable source information and the energy source selectable port;
analyzing the current attribute and the current demand characteristic of the load end according to the microgrid supply information to construct constraint conditions;
and based on the constraint conditions, performing global optimization on the connection strategy set through an annealing algorithm to obtain an optimal connection strategy, and taking the optimal connection strategy as the connection information of the energy supply source.
3. The method of claim 2, wherein the global optimization of the connection policy in the connection policy set by the annealing algorithm to obtain an optimal connection policy comprises:
randomly selecting a first connection strategy from the connection strategy set, and calculating the fitness of the first connection strategy to obtain a first fitness;
randomly selecting a second connection strategy from the connection strategy set, and calculating the fitness of the second connection strategy to obtain a second fitness;
judging whether the second fitness exceeds the first fitness, if so, taking the first connection strategy as the current optimal strategy, and if not, passing a probability discrimination formula:
obtaining a judgment probability, wherein e is a natural logarithm, and n1 is a first fitnessN2 is a second fitness, and k is an optimizing rate factor;
when P is larger than the random number in the interval of [0,1), taking the second connection strategy as the current optimal strategy, and if not, taking the first connection strategy as the current optimal strategy;
and repeating iteration until the optimization stopping condition is reached, and taking the current optimal strategy as the optimal connection strategy.
4. The method of claim 1, wherein determining supply control information based on the supply-demand correspondence and energy router port connection information comprises:
determining the energy characteristics of each supply load port according to the supply and demand correspondence and the energy router port connection information;
determining load supply demand changes based on the supply load port energy characteristics;
determining the supply control information according to the load supply demand change.
5. The method of claim 4, wherein the method further comprises:
performing load port supply importance analysis based on the energy characteristics of each supply load port, and determining the load supply importance of each load port;
determining load demand gap time based on load supply demand change and supply demand corresponding relation of each load port;
and when the time of the load demand gap is reached, carrying out weight distribution according to the load supply importance, and carrying out energy distribution on the demand gap according to a weight distribution result.
6. The method of claim 1, wherein the method further comprises:
analyzing energy characteristics of each port according to the port connection information of the energy router, and determining the energy characteristics of the ports, wherein the energy characteristics of the ports comprise the current amount of energy and the energy change trend;
generating a port energy label and a trend label according to the current energy quantity and the energy change trend, and marking each port according to the port energy label and the trend label;
acquiring the current quantity of port energy and an energy change trend based on the port mark, performing current quantity matching on the load port and the supply port to generate current supply control information, performing energy change trend matching on the load port and the supply port, and determining and adjusting the supply control information;
and combining the current supply control information and the adjusted supply control information to form the supply control information.
7. A microgrid energy control system based on an energy router, characterized in that the system comprises:
the energy source attribute determining module is used for acquiring energy supply source information, carrying out current attribute analysis on the energy supply source information and determining an energy source attribute;
the micro-grid supply information acquisition module is used for acquiring terminal load data of the micro-grid to acquire micro-grid supply information;
the energy supply current list establishing module is used for analyzing the current attribute of the supply information of the micro-grid and establishing an energy supply current list, wherein the energy supply current list comprises a load end current attribute, a current demand, a flow transmission attribute and a mapping relation of the flow transmission attribute;
the energy source relation list establishing module is used for obtaining port connection information of the energy router, obtaining supply source information connected with each port of the energy router, and establishing an energy source relation list, wherein the energy source relation list comprises the port information of the router, the energy supply source information, energy source attributes and mapping relations thereof, and is also used for determining the port supply connection information according to the supply information of the microgrid; acquiring energy router port parameter information; performing supply source-port parameter matching according to the energy supply source information and the energy router port parameter information, and determining port connectable source information; determining an energy source selectable port according to the port supply connection information and the energy router port parameter information; optimizing the energy supply source information according to the selectable energy source port and the connectable port source information and the microgrid supply information to determine the energy supply source connection information; acquiring port connection information of the energy router according to the port supply connection information and the energy supply source connection information;
the supply and demand matching module is used for matching the current attribute of the load end with the attribute of the energy source based on the energy source relation list and the energy supply current list, determining the attribute relation of the supply and demand matching current, matching the current demand of the supply and demand matching current attribute relation, and establishing direct supply connection between the energy source meeting the supply and demand matching requirement and the energy supply end;
the supply and demand corresponding relation determining module is used for determining the supply and demand corresponding relation based on the direct supply connection and microgrid supply information;
and the supply control information determining module is used for determining supply control information according to the supply-demand corresponding relation and the energy router port connection information.
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