CN112398172A - Source-grid-load coordinated operation control method and related device - Google Patents
Source-grid-load coordinated operation control method and related device Download PDFInfo
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Abstract
The application discloses a source-network-load coordinated operation control method and a related device, wherein the method comprises the following steps: acquiring resource distribution and geographic environment information, and calculating the capacity of the distributed power supply, the limit capacity of the distributed power supply and the planning horizontal annual load according to the resource distribution and the geographic environment information; and judging whether the capacity of the distributed power supply is greater than the planned horizontal annual load capacity, if so, performing source network coordination according to the capacity of the distributed power supply and the limit capacity of the distributed power supply, and if not, performing load network coordination according to the limit capacity of the distributed power supply and the planned horizontal annual load capacity. Therefore, the method and the device solve the technical problem that the existing source network load coordination control method is not flexible enough and causes poor applicability.
Description
Technical Field
The application relates to the field of smart power grids, in particular to a source grid load coordinated operation control method and a related device.
Background
Distributed power generation has the advantages of cleanness, environmental protection, energy conservation and the like, the power supply reliability of a system can be improved, the network loss is reduced, the electric energy quality is improved, the wide attention in the field of power industry is paid in recent years, and the access of a distributed power supply in the process of expanding and planning a power distribution network is an important mode for saving investment cost, improving the energy utilization rate and enhancing the reliability and flexibility of a power system. The source network load coordination means that the power balance capability of the power system is safely, efficiently and economically improved through a diversified interaction mode among a power source, a power grid and a load.
Currently, "source grid load" coordination has been cited in many areas of research in power systems. However, in the current power system, the control method of the source grid load is not flexible enough, and the development requirement of the future smart grid can not be met.
Disclosure of Invention
The application provides a source network load coordination operation control method and a related device, which are used for solving the technical problem of poor applicability caused by the fact that the existing source network load coordination control method is not flexible enough.
In view of this, a first aspect of the present application provides a source-grid-load coordination operation control method, including:
acquiring resource distribution and geographic environment information, and calculating distributed power supply capacity, distributed power supply limit capacity and planning horizontal annual load according to the resource distribution and the geographic environment information;
and judging whether the capacity of the distributed power supply is greater than the planned horizontal annual load capacity, if so, performing source network coordination according to the capacity of the distributed power supply and the limit capacity of the distributed power supply, and if not, performing load network coordination according to the limit capacity of the distributed power supply and the planned horizontal annual load capacity.
Optionally, the source network coordination process includes:
and judging whether the capacity of the distributed power supply is smaller than the limit capacity of the distributed power supply, if so, performing power supply adjustment on the power output of the power distribution network, and if not, expanding the power distribution network by increasing power supply equipment.
Optionally, the power supply adjustment process includes:
and carrying out adaptive increase and decrease adjustment on the power supply quantity of different areas of the power distribution network according to the load increase condition.
Optionally, the process of load-network coordination is as follows:
and judging whether the planned horizontal annual load capacity is larger than the limit capacity of the distributed power supply, if so, not operating, keeping the normal operation of the power distribution network, and if not, upgrading and rebuilding the power distribution network by adding power distribution equipment.
A second aspect of the present application provides a source-grid-load coordinated operation control apparatus, including:
the parameter calculation module is used for acquiring resource distribution and geographic environment information and calculating the capacity of the distributed power supply, the limit capacity of the distributed power supply and the planning horizontal annual load according to the resource distribution and the geographic environment information;
and the coordination control module is used for judging whether the capacity of the distributed power supply is larger than the planned horizontal annual load capacity, carrying out source network coordination according to the capacity of the distributed power supply and the limit capacity of the distributed power supply if the capacity of the distributed power supply is larger than the planned horizontal annual load capacity, and carrying out load network coordination according to the limit capacity of the distributed power supply and the planned horizontal annual load capacity if the capacity of the distributed power supply is not larger than the planned horizontal annual load capacity.
Optionally, the source network coordination process includes:
and judging whether the capacity of the distributed power supply is smaller than the limit capacity of the distributed power supply, if so, performing power supply adjustment on the power output of the power distribution network, and if not, expanding the power distribution network by increasing power supply equipment.
Optionally, the power supply adjustment process includes:
and carrying out adaptive increase and decrease adjustment on the power supply quantity of different areas of the power distribution network according to the load increase condition.
Optionally, the process of load-network coordination is as follows:
and judging whether the planned horizontal annual load capacity is larger than the limit capacity of the distributed power supply, if so, not operating, keeping the normal operation of the power distribution network, and if not, upgrading and rebuilding the power distribution network by adding power distribution equipment.
A third aspect of the present application provides a source-network-load-coordinated operation control device, where the device includes a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the source network load coordination operation control method according to any one of the first aspect according to an instruction in the program code.
A fourth aspect of the present application provides a computer-readable storage medium, which is used for storing a program code, where the program code is used for executing the source network load coordination operation control method described in any one of the first aspects.
According to the technical scheme, the embodiment of the application has the following advantages:
the application provides a source-network-load coordinated operation control method, which comprises the following steps: acquiring resource distribution and geographic environment information, and calculating the capacity of the distributed power supply, the limit capacity of the distributed power supply and the planning horizontal annual load according to the resource distribution and the geographic environment information; and judging whether the capacity of the distributed power supply is greater than the planned horizontal annual load capacity, if so, performing source network coordination according to the capacity of the distributed power supply and the limit capacity of the distributed power supply, and if not, performing load network coordination according to the limit capacity of the distributed power supply and the planned horizontal annual load capacity.
According to the source network load coordination operation control method, judgment is carried out based on uncertainty of the capacity of the distributed power supply, different source network load coordination control is carried out according to the change condition of the capacity of the distributed power supply, the source network load coordination control can better meet actual control requirements, and therefore the method is suitable for development of various forms of smart power grids in the future. Therefore, the method and the device can solve the technical problem that the existing control method for source network load coordination is not flexible enough and causes poor applicability.
Drawings
Fig. 1 is a schematic flow chart of a source-network-load coordinated operation control method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a source-grid-load coordinated operation control device according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For easy understanding, please refer to fig. 1, an embodiment of a source-network-load coordination operation control method provided in the present application includes:
It should be noted that the resource distribution and geographic environment information mainly refer to: the method comprises the steps of calculating the capacity of the distributed power supply and the limit capacity of the distributed power supply which can be consumed by the power distribution network in the horizontal year according to the distribution condition and the power utilization condition of the power utilization equipment, calculating the limit capacity of the distributed power supply which can be consumed by the power distribution network in the horizontal year, predicting the load, and determining the load in the horizontal year.
And 102, judging whether the capacity of the distributed power supply is larger than the planned horizontal annual load capacity, if so, performing source network coordination according to the capacity of the distributed power supply and the limit capacity of the distributed power supply, and if not, performing load network coordination according to the limit capacity of the distributed power supply and the planned horizontal annual load capacity.
It should be noted that the essence of the "source network load" coordination is an operation mode for realizing the maximum utilization of resources. The power source, the grid and the load are the same entity in the power system. When the capacity of the distributed power supply is compared with the planned horizontal year load capacity, if the capacity of the distributed power supply is large, the capacity of the distributed power supply cannot be consumed by the local load, source network coordination is needed, power output needs to be adjusted in the source network coordination, or a power supply network needs to be expanded, and the specific process needs to be judged and executed according to the relation between the capacity of the distributed power supply and the limit capacity of the distributed power supply. If the capacity of the distributed power supply is smaller, load network coordination is needed, the load network coordination is mainly used for balancing whether upgrading and rebuilding of the power distribution network are needed, and the specific basis is the relation between the limit capacity of the distributed power supply and the planned horizontal annual load capacity.
Further, the source network coordination process is as follows:
and judging whether the capacity of the distributed power supply is smaller than the limit capacity of the distributed power supply, if so, performing power supply adjustment on the power output of the power distribution network, and if not, expanding the power distribution network by increasing power supply equipment.
Wherein, the process of power supply adjustment is: and carrying out adaptive increase and decrease adjustment on the power supply quantity of different areas of the power distribution network according to the load increase condition.
It should be noted that when the capacity of the distributed power source is smaller than the limit capacity of the distributed power source, it indicates that the power distribution network can meet the increase of the load, and at this time, power supply adjustment of power output needs to be determined according to the load increase condition, where the power supply adjustment mainly increases or decreases the power supply amount of different areas within the power supply range of the power distribution network, for example, decreases the supply power in the area a, increases the supply power in the area B, and the like. When the capacity of the distributed power supply is not less than the limit capacity of the distributed power supply, the increase of the load is beyond the capability of the existing power distribution network capable of bearing access, and power supply equipment needs to be added to perform network frame expansion on the power distribution network, so that the purpose of adjusting the capacity of the distributed power supply to be less than the limit capacity of the distributed power supply is achieved.
Further, the process of load network coordination is as follows:
and judging whether the load capacity of the planned horizontal year is greater than the limit capacity of the distributed power supply, if so, not operating, keeping the normal operation of the power distribution network, and if not, upgrading and reconstructing the power distribution network by adding power distribution equipment.
It should be noted that if the planned horizontal annual load capacity is greater than the limit capacity of the distributed power supply, the power distribution network does not need to be reconstructed, that is, power supply equipment does not need to be expanded, and the power distribution network operates normally; if the planned horizontal annual load capacity is not larger than the limit capacity of the distributed power supply, power distribution equipment needs to be additionally arranged to expand the power distribution network, and upgrading and reconstruction of the power distribution network are achieved, so that the purpose that the planned horizontal annual load capacity is smaller than the limit capacity of the distributed power supply is achieved through expanding the net rack.
According to the source network load coordination operation control method provided by the embodiment of the application, the judgment is carried out based on the uncertainty of the capacity of the distributed power supply, different source network load coordination control is carried out according to the change condition of the capacity of the distributed power supply, so that the source network load coordination control can better meet the actual control requirement, and the method is suitable for the development of various forms of smart power grids in the future. Therefore, the method and the device for controlling the source network load coordination can solve the technical problem that the existing control method for the source network load coordination is not flexible enough and poor in applicability.
For easy understanding, please refer to fig. 2, the present application provides an embodiment of a source-network-load-coordinated operation control apparatus, including:
the parameter calculation module 201 is used for acquiring resource distribution and geographic environment information, and calculating the capacity of the distributed power supply, the limit capacity of the distributed power supply and the planning horizontal annual load according to the resource distribution and the geographic environment information;
and the coordination control module 202 is configured to determine whether the distributed power supply capacity is greater than the planned horizontal annual load capacity, perform source-grid coordination according to the distributed power supply capacity and the distributed power supply limit capacity if the distributed power supply capacity is greater than the planned horizontal annual load capacity, and perform load-grid coordination according to the distributed power supply limit capacity and the planned horizontal annual load capacity if the distributed power supply capacity is not greater than the planned horizontal annual load capacity.
Further, the source network coordination process is as follows:
and judging whether the capacity of the distributed power supply is smaller than the limit capacity of the distributed power supply, if so, performing power supply adjustment on the power output of the power distribution network, and if not, expanding the power distribution network by increasing power supply equipment.
Further, the power supply adjustment process comprises:
and carrying out adaptive increase and decrease adjustment on the power supply quantity of different areas of the power distribution network according to the load increase condition.
Further, the process of load network coordination is as follows:
and judging whether the load capacity of the planned horizontal year is greater than the limit capacity of the distributed power supply, if so, not operating, keeping the normal operation of the power distribution network, and if not, upgrading and reconstructing the power distribution network by adding power distribution equipment.
The application also provides a source-network-load coordinated operation control device, which comprises a processor and a memory:
the memory is used for storing the program codes and transmitting the program codes to the processor;
the processor is used for executing the source network load coordination operation control method in the above method embodiment according to the instructions in the program code.
The application also provides a computer-readable storage medium, which is used for storing a program code, and the program code is used for executing the source network load coordination operation control method in the above method embodiment.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. 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 storage medium and includes instructions for executing all or part of the steps of the method described in the embodiments of the present application through a computer device (which may be a personal computer, a server, or a network device). And the aforementioned storage medium 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 embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A source-network-load coordinated operation control method is characterized by comprising the following steps:
acquiring resource distribution and geographic environment information, and calculating distributed power supply capacity, distributed power supply limit capacity and planning horizontal annual load according to the resource distribution and the geographic environment information;
and judging whether the capacity of the distributed power supply is greater than the planned horizontal annual load capacity, if so, performing source network coordination according to the capacity of the distributed power supply and the limit capacity of the distributed power supply, and if not, performing load network coordination according to the limit capacity of the distributed power supply and the planned horizontal annual load capacity.
2. The source network load coordination operation control method according to claim 1, wherein the source network coordination process is:
and judging whether the capacity of the distributed power supply is smaller than the limit capacity of the distributed power supply, if so, performing power supply adjustment on the power output of the power distribution network, and if not, expanding the power distribution network by increasing power supply equipment.
3. The source grid load coordinated operation control method according to claim 2, wherein the power supply adjustment process is:
and carrying out adaptive increase and decrease adjustment on the power supply quantity of different areas of the power distribution network according to the load increase condition.
4. The source network load coordination operation control method according to claim 1, wherein the load network coordination process is as follows:
and judging whether the planned horizontal annual load capacity is larger than the limit capacity of the distributed power supply, if so, not operating, keeping the normal operation of the power distribution network, and if not, upgrading and rebuilding the power distribution network by adding power distribution equipment.
5. A source-grid-load coordinated operation control device is characterized by comprising:
the parameter calculation module is used for acquiring resource distribution and geographic environment information and calculating the capacity of the distributed power supply, the limit capacity of the distributed power supply and the planning horizontal annual load according to the resource distribution and the geographic environment information;
and the coordination control module is used for judging whether the capacity of the distributed power supply is larger than the planned horizontal annual load capacity, carrying out source network coordination according to the capacity of the distributed power supply and the limit capacity of the distributed power supply if the capacity of the distributed power supply is larger than the planned horizontal annual load capacity, and carrying out load network coordination according to the limit capacity of the distributed power supply and the planned horizontal annual load capacity if the capacity of the distributed power supply is not larger than the planned horizontal annual load capacity.
6. The source network load coordination operation control device according to claim 5, wherein the source network coordination process is:
and judging whether the capacity of the distributed power supply is smaller than the limit capacity of the distributed power supply, if so, performing power supply adjustment on the power output of the power distribution network, and if not, expanding the power distribution network by increasing power supply equipment.
7. The source grid load coordinated operation control device according to claim 6, wherein the power supply adjustment process is:
and carrying out adaptive increase and decrease adjustment on the power supply quantity of different areas of the power distribution network according to the load increase condition.
8. The source grid load coordination operation control device according to claim 5, wherein the load grid coordination process is:
and judging whether the planned horizontal annual load capacity is larger than the limit capacity of the distributed power supply, if so, not operating, keeping the normal operation of the power distribution network, and if not, upgrading and rebuilding the power distribution network by adding power distribution equipment.
9. A source-network-load-coordinated operation control device, the device comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the source network load coordination operation control method of any one of claims 1-4 according to instructions in the program code.
10. A computer-readable storage medium for storing a program code for executing the source network load coordination operation control method according to any one of claims 1 to 4.
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Cited By (1)
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| CN113555912A (en) * | 2021-07-27 | 2021-10-26 | 广东电网有限责任公司 | Multi-time-level active-reactive power regulation and control method for multi-source cooperative active power distribution network |
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| CN105740966A (en) * | 2015-12-25 | 2016-07-06 | 国家电网公司 | Expansion planning method of power distribution network containing distributed power sources |
| CN110535129A (en) * | 2019-09-09 | 2019-12-03 | 贵州电网有限责任公司 | A kind of distribution network planning method under energy internet |
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| CN113555912A (en) * | 2021-07-27 | 2021-10-26 | 广东电网有限责任公司 | Multi-time-level active-reactive power regulation and control method for multi-source cooperative active power distribution network |
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