CN112994034A - Block chain-based distributed power unit aggregation method and device and storage medium - Google Patents
Block chain-based distributed power unit aggregation method and device and storage mediumDownload PDFInfo
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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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in 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
- 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
- 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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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
- 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
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
Translated fromChinese
Description
Technical Field
The invention relates to the technical field of power supply systems, in particular to a distributed power unit aggregation method and device based on a block chain and a storage medium.
Background
With the continuous development of distributed power generation and renewable energy, more and more distributed renewable energy power generation units appear in a power distribution network, the distributed power generation units are dispersed in geographic positions, generally small in capacity and scale and difficult to arouse the interest of large power grid dispatching control, so that the large power grid only regards the distributed power generation units as uncontrollable power generation units at present, and the distributed power generation units only inject power into the power grid according to self capacity and control requirements and cannot provide voltage and frequency support for the large power grid. Meanwhile, the distributed power generation units have the characteristics of large volatility and strong randomness, and the large power grid is difficult to absorb along with the continuous increase of the permeability of the distributed power generation units, so that the phenomenon of abandoning wind and light is gradually intensified, power accidents are easily caused, and the safe and stable operation of the power distribution network is threatened. In addition, in recent years, controllable flexible loads such as air conditioners, water heaters and electric vehicles also appear in a large number in a power distribution network, how to introduce the demand side resources to participate in power grid dispatching, realize source-load interaction, and consume more distributed power generation units while ensuring stable operation of a power grid becomes an urgent problem to be solved.
Disclosure of Invention
The prior art problem solved by the present invention is how to utilize more distributed power generation units to provide a stable power supply for the grid.
In order to solve the above technical problem, the present invention provides a block chain-based distributed power unit aggregation method, including:
acquiring comprehensive data respectively corresponding to a plurality of distributed power units through clients respectively corresponding to the distributed power units to form block link points corresponding to each distributed power unit; the integrated data includes: at least one of a moment of inertia, a maximum active adjustable capacity and a maximum reactive adjustable capacity;
dividing corresponding block chain organization for the block chain nodes formed by the plurality of distributed power units based on the type data respectively corresponding to the plurality of block chain nodes;
dividing block chain link points in the block chain organization into a plurality of aggregates based on the comprehensive data respectively corresponding to the plurality of distributed power units;
and establishing communication lines among the block link points in each aggregate, and sending the aggregate information to which each block link point belongs to the corresponding block link point.
In the foregoing solution, the obtaining, by the client corresponding to each of the plurality of distributed power units, the integrated data corresponding to each of the plurality of distributed power units to form a block link point corresponding to each of the distributed power units includes:
acquiring comprehensive data respectively corresponding to a plurality of distributed power units through clients respectively corresponding to the distributed power units, and storing the comprehensive data respectively corresponding to the distributed power units in a data layer of a block chain system;
a blockchain node is formed for each distributed power unit.
In the foregoing solution, the dividing the block chain link points in the block chain organization into a plurality of aggregates based on the comprehensive data respectively corresponding to the plurality of distributed power units includes:
acquiring calibration comprehensive data corresponding to one distributed power unit in the plurality of distributed power units; the calibration comprehensive data comprises calibration rotational inertia, maximum active adjustable capacity and maximum reactive adjustable capacity;
judging whether the calibrated moment of inertia is not 0 or not;
if so, dividing block chain link points corresponding to the distributed power unit into inertia polymer;
if not, judging whether the calibrated maximum active adjustable capacity is not greater than 0;
if so, dividing the block chain link point corresponding to the distributed power unit into peak-shaving polymer;
if not, judging whether the calibrated maximum active adjustable capacity is larger than the calibrated maximum non-public-power adjustable capacity;
if yes, dividing block chain link points corresponding to the distributed power unit into a power distribution polymer;
and if not, dividing the block chain link point corresponding to the distributed power unit into voltage regulation polymer.
In the foregoing solution, after establishing a communication line between block link points in each aggregate and sending aggregate information to which each block link point belongs to a corresponding block link point, the method further includes:
when the power grid signal formed by the distributed power units fluctuates, the block link points in each polymer provide corresponding electric energy to the power grid, and the power grid signal is maintained to be stable.
In the foregoing solution, after establishing a communication line between block link points in each aggregate and sending aggregate information to which each block link point belongs to a corresponding block link point, the method further includes:
acquiring participation degrees corresponding to a plurality of block chain nodes in the plurality of aggregates in a preset period;
and storing the participation degrees in the databases respectively corresponding to the block link points.
In the above scheme, the participation degree includes: reliability and matching degree;
after storing the engagement data in the databases respectively corresponding to the block link points, the method further includes:
if the reliability is smaller than a reliability threshold, deleting the block chain node corresponding to the participation from the corresponding aggregation;
if the reliability is not less than a reliability threshold and the matching degree is less than a matching degree threshold, allocating the block link points corresponding to the participation degree to a target aggregation, and establishing communication lines among a plurality of block link nodes in the target aggregation; the target aggregate is an aggregate collocated with the participation.
The embodiment of the present invention further provides a block chain-based distributed power unit aggregation device, including:
the data acquisition unit is used for acquiring comprehensive data respectively corresponding to the distributed power units through clients respectively corresponding to the distributed power units to form block link points corresponding to each distributed power unit; the integrated data includes: at least one of a moment of inertia, a maximum active adjustable capacity and a maximum reactive adjustable capacity;
the first processing unit is used for dividing the corresponding block chain organization into the block chain nodes formed by the plurality of distributed power units based on the type data respectively corresponding to the plurality of block chain nodes;
the second processing unit is used for dividing the block chain link points in the block chain organization into a plurality of aggregates based on the comprehensive data respectively corresponding to the plurality of distributed power units;
and the communication unit is used for establishing a communication line between the block link points in each polymer and sending the polymer information of each block link point to the corresponding block link point.
The embodiment of the present invention further provides a block chain-based distributed power unit aggregation device, including: a processor and a memory coupled to each other;
the memory is configured to store program instructions implementing the blockchain based distributed power unit aggregation method as described above, and the processor is configured to execute the program instructions stored by the memory.
The embodiment of the present invention further provides a computer-readable storage medium, which stores a program file, where the program file can be executed to implement the above block chain-based distributed power unit aggregation method, where the method includes acquiring, by a client corresponding to each of a plurality of distributed power units, comprehensive data corresponding to each of the plurality of distributed power units, and forming a block chain link point corresponding to each of the distributed power units; dividing corresponding block chain organization for block chain link points formed by a plurality of distributed power units based on type data respectively corresponding to the plurality of block chain link points; dividing block chain link points in a block chain organization into a plurality of aggregates based on the comprehensive data respectively corresponding to the plurality of distributed power units; therefore, a large number of distributed power units can be consumed in the power grid, then communication lines among the block link points in each polymer are established, and the polymer information of each block link point is sent to the corresponding block link point; when electric signal fluctuation occurs in the power grid, the power supply of the distributed power units in each polymer is allocated to supply power to the power grid through a preset program, and the electric signal stability of the power grid is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a first flowchart illustrating a block chain-based distributed power unit aggregation method according to the present invention;
FIG. 2 is a schematic diagram illustrating the effect of the block chain-based distributed power unit aggregation method of the present invention
FIG. 3 is a schematic diagram illustrating the effect of the block chain-based distributed power unit aggregation method of the present invention
FIG. 4 is a schematic diagram illustrating the effect of the block chain-based distributed power unit aggregation method according to the present invention
FIG. 5 is a second flowchart of the distributed power unit aggregation method based on block chains according to the present invention;
FIG. 6 is a schematic flow diagram of an alternative method for blockchain-based distributed power unit aggregation in accordance with the present invention;
FIG. 7 is a schematic flow diagram of an alternative method of block chain based distributed power unit aggregation in accordance with the present invention;
FIG. 8 is a schematic flow diagram of an alternative method for blockchain-based distributed power unit aggregation in accordance with the present invention;
FIG. 9 is a schematic flow diagram of an alternative method of block chain based distributed power unit aggregation in accordance with the present invention;
FIG. 10 is a block chain-based distributed power unit aggregation apparatus according to an embodiment of the present invention;
FIG. 11 is a schematic structural diagram of an embodiment of a computer-readable storage medium of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Likewise, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive step are within the scope of the present invention.
The terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly. The terms "comprising" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Please refer to fig. 1, which is a first flowchart illustrating a block chain-based distributed power unit aggregation method according to the present invention. The description will be made in conjunction with the steps.
And S01, acquiring comprehensive data corresponding to the distributed power units through the clients corresponding to the distributed power units respectively, and forming a block chain node corresponding to each distributed power unit.
In the embodiment of the invention, the plurality of distributed power units are respectively in communication connection with the corresponding clients. And the client corresponding to each distributed power unit establishes communication connection with the blockchain system. And each distributed power unit sends the corresponding comprehensive data to the blockchain system through the client, and the blockchain system establishes the blockchain corresponding to each distributed power unit in the network structure.
In the embodiment of the invention, the client can be a computer terminal corresponding to the distributed power unit.
In the embodiment of the invention, the comprehensive data can be the moment of inertia J and the maximum active adjustable capacity P of the corresponding distributed power unitmaxMaximum reactive adjustable capacity Qmax。
In the embodiment of the present invention, referring to fig. 2, the blockchain system 200 establishes a communication line 201 with a client 100 corresponding to a distributed power unit in advance. The client 100 is a computer. The client 100 may transmit the integrated data of the corresponding distributedpower unit 1 to the block link system 200 through a pre-established communication line. The blockchain system 200 receives the integrated data over the communication line 201.
In the embodiment of the present invention, the communication line may be: secure File Transfer Protocol (SFTP) network line.
In an embodiment of the present invention, with reference to fig. 3, the blockchain system includes: a data layer, a network layer, a consensus layer, a stimulus layer, a contract layer, and an application layer.
The data layer encapsulates a bottom layer data block, relevant basic data such as data encryption and a time stamp and a basic algorithm; the network layer comprises a distributed networking mechanism, a data transmission mechanism, a data verification mechanism and the like; the consensus layer mainly encapsulates various consensus algorithms of the network nodes; the incentive layer integrates economic factors into a block chain technology system, and mainly comprises an economic incentive issuing mechanism, an economic incentive distributing mechanism and the like; the contract layer mainly encapsulates various scripts, algorithms and intelligent contracts and is the basis of the programmable characteristic of the block chain; the application layer encapsulates various application scenarios and cases of the blockchain system.
S02, based on the type data corresponding to each of the plurality of block link points, the corresponding block chain organization is divided into block link points formed by the plurality of distributed power units.
In the embodiment of the invention, the block chain system can divide the type data of the distributed power units corresponding to the plurality of block chain link points into the corresponding block chain organization according to the block chain nodes formed by the plurality of distributed circuit units.
In this embodiment of the present invention, the types corresponding to the distributed power units may include: the system comprises a wind power unit (comprising a distributed unit formed by combining wind power and energy storage), a photovoltaic unit (comprising a distributed unit formed by combining photovoltaic and energy storage), a synchronous generator unit, an electric energy producer and consumer unit (comprising a distributed unit formed by combining generator and load), an energy storage unit, an electric automobile unit and a controllable load unit.
In the embodiment of the present invention, the block chain organization may be divided into: random power generation: the system comprises a distributed renewable energy power generation unit with random output of wind power and photovoltaic of basic types. Output-adjustable power generation type: the system comprises a distributed power generation unit with adjustable output and a basic type of synchronous generator. Electric energy producer and consumer: including distributed units of the basic type being electric energy producers and consumers. Energy storage type: containing distributed units of the basic type of energy storage. Electric vehicle type: containing distributed units of the basic type of electric vehicles. One-way adjustable load type: comprising distributed units of the basic type of controllable load.
In the embodiment of the present invention, in conjunction with fig. 4, the partition blockchain organization also provides a certain reference for the selection of the distributed power units in the subsequent aggregation. Because members of different polymers have different capabilities for exchanging power with the large power grid (e.g., members of an organization that can only use electricity in one direction cannot be classified into an inertial polymer, a power regulating polymer, and a voltage regulating polymer because no relevant or reactive capabilities are provided).
And S03, dividing the block chain link points in the block chain organization into a plurality of aggregates based on the comprehensive data corresponding to the distributed power units respectively.
In the embodiment of the invention, the block chain system is based on the comprehensive data (rotational inertia J, maximum active adjustable capacity P) of each distributed power unitmaxMaximum reactive adjustable capacity Qmax). And dividing the block chain link point corresponding to each distributed power unit into the corresponding polymer. When the moment of inertia is not 0, the corresponding distributed power unit is an inertia-type polymer. When the moment of inertia is 0, the corresponding distributed power unit may be based on the maximum active adjustable capacity P of the corresponding distributed power unitmaxMaximum reactive adjustable capacity QmaxAnd dividing into corresponding polymers.
In embodiments of the invention, the types of polymers include inertial, power, voltage, and peak tuning polymers.
An inertial polymer: the method is used for rapidly providing voltage and frequency support for the power distribution network when the power distribution network is disturbed, and the transient stability of the system is maintained by utilizing the inertia characteristic of the power distribution network to slow down the fluctuation speed of the voltage and the frequency.
Function-adjusting polymer: the method is used for providing active power support for the power distribution network when the power distribution network is disturbed. According to the change of the system voltage and frequency, the active power output of the system is adjusted, and the active power balance of the system is maintained.
Pressure regulating polymer: the method is used for providing reactive power support for the power distribution network when the power distribution network is disturbed. According to the change of the system voltage, the reactive power output of the system is adjusted, and the reactive power balance of the system is maintained.
Peak-shaving polymer: the method is used for utilizing the demand side response, clipping the peak and filling the valley, and maintaining the long-time safe, stable and economic operation of the power grid.
S04, establishing communication lines between block link points in each aggregate, and sending the aggregate information to which each block link point belongs to the corresponding block link point.
In an embodiment of the invention, the aggregate is a collection of distributed power units. Distributed power units within the aggregate are communicatively coupled to each other. The block chain system sends the information of the aggregate corresponding to each distributed power unit to the corresponding distributed power unit, so that each distributed power unit can accurately send the power source of the distributed power unit to the power grid in the subsequent power supply process.
In the embodiment of the invention, the physical layer nodes of the bottom layer distributed power unit are electrically connected through power connection. Communication connections between distributed power units within the aggregate. The distributed power units realize the functions of data acquisition, storage and interaction through communication connection, but cannot realize any function of controlling the distributed power units; the physical layer of a distributed power unit is used to achieve various division of work and regulation goals.
According to the method, comprehensive data corresponding to a plurality of distributed power units are obtained through clients corresponding to the distributed power units respectively, and block chain link points corresponding to each distributed power unit are formed; dividing corresponding block chain organization for block chain link points formed by a plurality of distributed power units based on type data respectively corresponding to the plurality of block chain link points; dividing block chain link points in a block chain organization into a plurality of aggregates based on the comprehensive data respectively corresponding to the plurality of distributed power units; therefore, a large number of distributed power units can be consumed in the power grid, then communication lines among the block link points in each polymer are established, and the polymer information of each block link point is sent to the corresponding block link point; when electric signal fluctuation occurs in the power grid, the power supply of the distributed power units in each polymer is allocated to supply power to the power grid through a preset program, and the electric signal stability of the power grid is achieved.
In some embodiments, referring to fig. 5, fig. 5 is an optional flowchart of the method for aggregating distributed power units based on blockchains according to the embodiment of the present invention, and S01 shown in fig. 1 may also be implemented through S05 to S06, which will be described with reference to the steps.
And S04, acquiring comprehensive data corresponding to the distributed power units through the clients corresponding to the distributed power units respectively, and storing the comprehensive data corresponding to the distributed power units in the data layer of the blockchain system.
In the embodiment of the invention, the blockchain system acquires the comprehensive data respectively corresponding to the distributed power units through the clients respectively corresponding to the distributed power units, and stores the comprehensive data respectively corresponding to the distributed power units in the data layer of the blockchain system.
The data layer may be a database of the blockchain system.
And S04, forming a block chain node corresponding to each distributed power unit.
In the embodiment of the invention, the block chain further acquires the position information and the communication address information of each distributed power unit, so that the block chain link point corresponding to each distributed power unit is established.
In some embodiments, referring to fig. 6, fig. 6 is an optional flowchart of the method for aggregating distributed power units based on blockchains according to the embodiment of the present invention, and S03 shown in fig. 1 may also be implemented through S07 to S14, which will be described with reference to the steps.
And S07, acquiring calibration comprehensive data corresponding to one distributed power unit in the plurality of distributed power units.
In the embodiment of the invention, the block chain system acquires calibration comprehensive data of any one distributed power unit in a plurality of distributed power units. Wherein calibrating the integrated data comprises: calibrating the rotational inertia, calibrating the maximum active adjustable capacity and calibrating the maximum reactive adjustable capacity.
And S08, judging whether the calibrated moment of inertia is not 0.
In the embodiment of the present invention, it is first required to determine whether the calibrated moment of inertia of the distributed power unit is 0.
In the embodiment of the invention, the rotational inertia is a measure of the inertia of an object for the rotation motion of the object, and for a distributed power unit in a power system, the rotational inertia is a measure for characterizing the capability of the distributed power unit to resist load disturbance (load power fluctuation). When the power system is disturbed, the larger the moment of inertia of the distributed power unit, the slower the frequency and voltage change speed.
And S09, dividing the block chain link points corresponding to one distributed power unit into inertia polymer.
In the embodiment of the invention, if the calibrated moment of inertia of the distributed power unit is not 0, the block link point corresponding to the distributed power unit is determined to be an inertia assembly body. The inertia polymer can rapidly provide voltage and frequency support for the power distribution network when the power distribution network is disturbed, and the inertia characteristic of the inertia polymer is utilized to slow down the fluctuation speed of the voltage and the frequency and maintain the transient stability of the power distribution network.
And S10, judging whether the calibrated maximum active adjustable capacity is not more than 0.
In the embodiment of the present invention, if the calibrated moment of inertia of the distributed power unit is 0, it is determined whether the calibrated maximum active adjustable capacity of the distributed power unit is not greater than 0.
And S11, dividing the block chain link points corresponding to one distributed power unit into peak-shaving polymer.
In the embodiment of the invention, if the maximum active adjustable capacity of the distributed power unit is not greater than 0, the block link points corresponding to the distributed power unit are divided into peak-shaving polymer. The peak regulation polymer can utilize the response of the demand side to carry out peak clipping and valley filling, and maintain the long-time safe, stable and economic operation of the power grid.
And S12, judging whether the calibrated maximum active adjustable capacity is larger than the calibrated maximum non-public-power adjustable capacity.
In the embodiment of the invention, if the calibrated maximum active adjustable capacity of the distributed power unit is greater than 0, whether the calibrated maximum active adjustable capacity is greater than the calibrated maximum non-public power adjustable capacity is judged.
And S13, dividing the block chain link points corresponding to one distributed power unit into the modulation function polymer.
In the embodiment of the invention, if the calibrated maximum active adjustable capacity of the distributed power unit is larger than the calibrated maximum non-public-power adjustable capacity, the block chain link points corresponding to the distributed power unit are divided into the power-regulating polymer. The power regulating polymer provides active power support for the power distribution network when the power distribution network is disturbed. According to the change of the system voltage and frequency, the active power output of the system is adjusted, and the active power balance of the system is maintained.
And S14, dividing the block chain link points corresponding to one distributed power unit into voltage-regulating polymer.
In the embodiment of the invention, if the calibrated maximum active adjustable capacity of the distributed power unit is not greater than the calibrated maximum no-public-power adjustable capacity, the block chain link points corresponding to the distributed power unit are divided into the voltage regulation polymer. When the power distribution network is disturbed, the voltage regulating polymer provides reactive power support for the power distribution network, and the reactive power output of the voltage regulating polymer is regulated according to the change of the system voltage so as to maintain the reactive power balance of the system.
In the embodiment of the present invention, the aggregation partitioning policy of other power units in the plurality of distributed power units is not described herein again with reference to the above method.
In some embodiments, referring to fig. 7, fig. 7 is an optional flowchart of a block chain-based distributed power unit aggregation method according to an embodiment of the present invention, and S15 implementation is further included after S04 shown in fig. 1, which will be described with reference to the steps.
And S15, when the power grid signal formed by the plurality of distributed power units fluctuates, the block link points in each polymer provide corresponding electric energy to the power grid, and the power grid signal is maintained to be stable.
In the embodiment of the invention, when the electric signal in the power grid fluctuates, each distributed power unit is required to realize a self-control and coordination mode to stabilize the electric signal. The power supply amount of each distributed power unit can be controlled, for example, by droop control power sharing. The distributed power unit may autonomously select what control scheme to employ. For example: the total power required to be increased in one aggregation is 100kw, and the power supply can be provided according to the corresponding proportion according to the capacity size of the distributed power unit. The distributed power units with large capacity have more power generation points, the distributed power units with small capacity have less power generation points, and finally, the power supplies provided by the distributed power units in the polymer are added up to reach 100kw required by the power distribution network.
In some embodiments, referring to fig. 8, fig. 8 is an optional flowchart of the method for aggregating distributed power units based on blockchains according to the embodiment of the present invention, and S04 shown in fig. 1 is followed by S16 to S19, which will be described with reference to the following steps.
And S16, acquiring participation degrees corresponding to the block chain nodes in the aggregation bodies in a preset period.
In the embodiment of the present invention, the blockchain system may evaluate the participation of each distributed power unit in the virtual aggregation according to the operation data of the previous day with a day as a cycle, so as to form the participation corresponding to each of the plurality of blockchain nodes. And writing the participation degree into a database of the block chain system or into a database of the corresponding distributed power unit.
And S17, storing the participation degrees in the databases corresponding to the block link points respectively.
In the embodiment of the invention, the blockchain system writes the participation degree of the distributed power system of each blockchain node into the corresponding database.
And S18, if the reliability is smaller than the reliability threshold, deleting the block chain node corresponding to the participation degree from the corresponding aggregation.
In the embodiment of the invention, the participation degree comprises the reliability degree and the matching degree. The reliability characterizes the power supply stability of the distributed power unit. The degree of matching characterizes the degree of matching of the distributed power units to the performance of the corresponding aggregate. And if the reliability of one distributed power unit is smaller than the reliability threshold value, deleting the block link point from the corresponding aggregation, and further deleting the distributed power unit in the aggregation.
And S19, if the reliability is not less than the reliability threshold and the matching degree is less than the matching degree threshold, allocating the block link points corresponding to the participation degree to the target aggregate, and establishing communication lines among the plurality of block link nodes in the target aggregate.
In the embodiment of the invention, if the reliability of one distributed power unit is not less than the reliability threshold and the matching degree is less than the matching degree threshold, the block link points corresponding to the participation degree are allocated to the target aggregation, and the communication lines among the plurality of block link nodes in the target aggregation are established. I.e. the distributed power unit is blended from the original aggregate to a more matched aggregate. Wherein the target aggregate is an aggregate matching the type of the distributed power unit.
According to the method, comprehensive data corresponding to a plurality of distributed power units are obtained through clients corresponding to the distributed power units respectively, and block chain link points corresponding to each distributed power unit are formed; dividing corresponding block chain organization for block chain link points formed by a plurality of distributed power units based on type data respectively corresponding to the plurality of block chain link points; dividing block chain link points in a block chain organization into a plurality of aggregates based on the comprehensive data respectively corresponding to the plurality of distributed power units; therefore, a large number of distributed power units can be consumed in the power grid, then communication lines among the block link points in each polymer are established, and the polymer information of each block link point is sent to the corresponding block link point; when electric signal fluctuation occurs in the power grid, the power supply of the distributed power units in each polymer is allocated to supply power to the power grid through a preset program, and the electric signal stability of the power grid is achieved.
Please refer to fig. 9, which is a block chain-based framework diagram of a distributed power unit aggregation apparatus according to the present invention.
The invention provides a distributed power unit aggregation device based on a block chain.
Thedata acquisition unit 1 is used for acquiring comprehensive data corresponding to the distributed power units through clients corresponding to the distributed power units respectively to form block link points corresponding to each distributed power unit; the integrated data includes: at least one of a moment of inertia, a maximum active adjustable capacity and a maximum reactive adjustable capacity;
thefirst processing unit 2 is used for dividing the corresponding block chain organization into the block chain nodes formed by the plurality of distributed power units based on the type data respectively corresponding to the plurality of block chain nodes;
thesecond processing unit 3 is configured to divide the block chain link points in the block chain organization into a plurality of aggregates based on the comprehensive data respectively corresponding to the plurality of distributed power units;
and the communication unit 4 is used for establishing a communication line between the block link points in each aggregate and sending the aggregate information to which each block link point belongs to the corresponding block link point.
Thedata acquisition unit 1 acquires comprehensive data corresponding to the distributed power units through clients corresponding to the distributed power units respectively, and stores the comprehensive data corresponding to the distributed power units in a data layer of the block chain system;
a blockchain node is formed for each distributed power unit.
Thesecond processing unit 3 acquires calibration comprehensive data corresponding to one distributed power unit in the plurality of distributed power units; calibrating the comprehensive data, including calibrating the rotational inertia, calibrating the maximum active adjustable capacity and calibrating the maximum reactive adjustable capacity; judging whether the calibrated moment of inertia is not 0; if so, dividing block chain link points corresponding to one distributed power unit into inertia polymer; if not, judging whether the calibrated maximum active adjustable capacity is not greater than 0; if yes, dividing block chain link points corresponding to one distributed power unit into peak-shaving polymer; if not, judging whether the calibrated maximum active adjustable capacity is larger than the calibrated maximum non-public-power adjustable capacity; if yes, dividing block chain link points corresponding to one distributed power unit into a power distribution polymer; and if not, dividing the block chain link point corresponding to one distributed power unit into the voltage regulation polymer.
When the grid signal formed by the plurality of distributed power units fluctuates, the block link points in each polymer provide corresponding electric energy to the grid, so that the grid signal is maintained to be stable.
Thesecond processing unit 3 obtains participation degrees corresponding to a plurality of block chain nodes in a plurality of aggregates in a preset period; and storing the participation degrees in the databases respectively corresponding to the block link points. The participation degree comprises: reliability and matching degree; when the reliability is smaller than the reliability threshold, thesecond processing unit 3 deletes the block chain node corresponding to the participation degree from the corresponding aggregation; if the reliability is not less than the reliability threshold and the matching degree is less than the matching degree threshold, allocating the block link points corresponding to the participation degree to a target aggregation, and establishing communication lines among a plurality of block link nodes in the target aggregation; the target aggregate is an aggregate collocated with the participation.
The distributed power unit aggregation device based on the block chain obtains a request instruction through an intranet line connected with a client through a firstinformation obtaining unit 1; the secondinformation acquisition unit 2 responds to the request instruction and acquires the operation data through an external network line connected with the client; theprocessing unit 3 transmits the operation data to the computing node for computing to obtain target data; feeding the target data back to the client through the sending unit 4; according to the embodiment of the invention, the internal network line and the external network line of the client and the computing server are established, so that the client sends data to the computing server without occupying the broadband of other clients, the computing server can be simultaneously connected with a plurality of clients for data interaction, and the technical problem that an intelligent super-computing center cannot be simultaneously interacted with a plurality of clients is solved.
According to the distributed power unit data processing method, comprehensive data corresponding to a plurality of distributed power units are obtained through clients corresponding to a data obtaining unit and the distributed power units respectively, and block link points corresponding to each distributed power unit are formed; dividing corresponding block chain organization for block chain link points formed by a plurality of distributed power units based on type data respectively corresponding to the plurality of block chain link points by a first processing unit; the second processing unit divides the block chain link points in the block chain organization into a plurality of aggregates based on the comprehensive data respectively corresponding to the plurality of distributed power units; therefore, a large number of distributed power units can be consumed in the power grid, communication lines among the block link points in each polymer are established by utilizing the communication units, and the polymer information of each block link point is sent to the corresponding block link point; when electric signal fluctuation occurs in the power grid, the power supply of the distributed power units in each polymer is allocated to supply power to the power grid through a preset program, and the electric signal stability of the power grid is achieved.
Referring to fig. 10, fig. 10 is a schematic diagram of a block chain-based distributed power unit aggregation apparatus according to an embodiment of the present invention. The blockchain-based distributed powerunit aggregation apparatus 80 includes aprocessor 81 and amemory 82 coupled to each other, and theprocessor 81 is configured to execute program instructions stored in thememory 82 to implement the steps in any of the above-mentioned method embodiments or the steps correspondingly performed by the positioning method in any of the above-mentioned method embodiments.
In particular, theprocessor 81 is configured to control itself and thememory 82 to implement the steps in any of the above-described embodiments of the positioning method. Theprocessor 81 may also be referred to as a CPU (Central processing unit). Theprocessor 81 may be an integrated circuit chip having signal processing capabilities. TheProcessor 81 may also be ageneral purpose Processor 81, a Digital Signal Processor 81 (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. In addition, theprocessor 81 may be commonly implemented by a plurality of integrated circuit chips.
Referring to fig. 11, fig. 11 is a schematic structural diagram of an embodiment of a computer-readable storage medium according to the present application.
The computer-readable storage medium 60 comprises acomputer program 601 stored on the computer-readable storage medium 60, whichcomputer program 601, when executed by the processor, performs the steps of any of the above-described method embodiments or the steps correspondingly performed by the positioning device in the above-described method embodiments.
In particular, the integrated unit, if implemented in the form of a software functional unit and sold or used as a separate product, may be stored in a computerreadable storage medium 60. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a computer-readable storage medium 60 and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method of the embodiments of the present application. And the aforementioned computer-readable storage medium 60 includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the contents of the present specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
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