CN115983579A - Grid-connected scheme scheduling method - Google Patents

Grid-connected scheme scheduling method Download PDF

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Publication number
CN115983579A
CN115983579A CN202211682778.6A CN202211682778A CN115983579A CN 115983579 A CN115983579 A CN 115983579A CN 202211682778 A CN202211682778 A CN 202211682778A CN 115983579 A CN115983579 A CN 115983579A
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grid
power terminal
module
scheme
protocol
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Inventor
李书华
李有墨
云龙
林明锋
韩斌
张砚凯
许声毅
蔡强
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Lingshui Power Supply Bureau Hainan Power Grid Co ltd
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Lingshui Power Supply Bureau Hainan Power Grid Co ltd
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Priority to CN202211682778.6A priority Critical patent/CN115983579A/en
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Abstract

The invention provides a grid-connected scheme scheduling method, which is applied to a grid-connected scheme scheduling system, wherein the system comprises a local power terminal, a communication module, a main grid power terminal, a grid-connected application management module, a grid-connected scheme distribution module, a grid-connected protocol module, a grid-connected transaction module and a grid-connected monitoring module, the local power terminal is in communication connection with the main grid power terminal through the communication module, the grid-connected application management module is used for managing grid-connected application data initiated by the local power terminal to the main grid power terminal, the grid-connected scheme distribution module is used for giving out a grid-connected scheme aiming at the grid-connected application data, and the grid-connected protocol module is used for selecting a grid-connected protocol according to the grid-connected scheme.

Description

Grid-connected scheme scheduling method
Technical Field
The invention relates to the technical field of grid-connected scheduling, in particular to a scheduling method of a grid-connected scheme.
Background
Grid connection refers to supervision and inspection activities performed on local power terminal grid connection requests, grid connection conditions, operation scheduling after grid connection and the like of independent power plants or small power systems to be incorporated into a main grid power terminal for operation. The purpose of grid-connected management is to guarantee safe and stable operation and electric energy quality of a main grid power terminal. At present, power plants built by utilizing resources such as small hydropower, terrestrial heat, wind energy, local fuel (small kiln coal) and the like, enterprise self-provided power plants and local power terminals taking the power plants as power sources are generally limited by resource and regional limitations, the building scale is small, the power generation output is unstable, the power supply quality is poor, the power shortage and regulation capacity is poor, the accident and load impact resistance is weak, the safe and reliable operation of the local power terminals and the main grid power terminals cannot be guaranteed, and the economic development of regions is also limited. Local power terminals of independent power plants or small power systems are connected with a main grid power terminal through grid-connected plan scheduling, and the defects can be effectively overcome, so that local resources are fully utilized.
Disclosure of Invention
Therefore, the present invention is directed to a grid-connected scheme scheduling method, so as to solve at least the above problems.
The technical scheme adopted by the first aspect of the invention is as follows:
a grid-connected scheme scheduling method is applied to a grid-connected scheme scheduling system, the system comprises a local power terminal, a communication module, a main grid power terminal, a grid-connected application management module, a grid-connected scheme distribution module, a grid-connected protocol module, a grid-connected transaction module and a grid-connected supervision module, the local power terminal is in communication connection with the main grid power terminal through the communication module, the grid-connected application management module is used for managing grid-connected application data initiated by the local power terminal to the main grid power terminal, the grid-connected scheme distribution module is used for giving out a grid-connected scheme aiming at the grid-connected application data, and the grid-connected protocol module is used for selecting a grid-connected protocol according to the grid-connected scheme, and the method comprises the following steps:
s1, when a grid-connected application management module receives grid-connected application data initiated by a local power terminal to a main grid power terminal, classifying the grid-connected application data;
s2, distributing the grid-connected scheme by a grid-connected scheme distribution module according to the classified grid-connected application data;
s3, selecting a grid-connected protocol by the grid-connected protocol module according to the distributed grid-connected scheme;
s4, the grid-connected transaction module selects a transaction mode according to a grid-connected protocol selected by the local power terminal;
and S5, the grid-connected supervision module carries out whole-course supervision on the local power terminal selection transaction mode.
Further, in step S1, the method further includes the substeps of:
s11, before a local power terminal initiates a grid-connected application to a main grid power terminal, the local power terminal sends a grid-connected application form to the main grid power terminal through a communication module, wherein the content of the grid-connected application form comprises grid-connected voltage, grid-connected power and grid-variable electric quantity;
and S12, after the main grid power terminal checks the grid-connected application table, allowing the grid-connected application of the local power terminal.
Further, in step S1, when the grid-connected application management module receives grid-connected application data initiated by the local power terminal to the main grid power terminal, the classification of the grid-connected application data specifically includes:
the main grid power terminal sets a standard grid-connected voltage interval, a grid-connected power standard interval and a variable grid power standard interval, and compares grid-connected voltage, grid-connected power and variable grid power data in a grid-connected reporting table with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval one by one, if the grid-connected voltage, the grid-connected power and the variable grid power data all accord with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval, the application table is of a high-quality type, and if any one of the grid-connected voltage, the grid-connected power and the variable grid power data does not accord with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval, the application table is of a general quality type.
Further, in step S2, the distribution of the grid-connected scheme by the grid-connected scheme distribution module according to the classified grid-connected application data specifically includes:
when the grid-connected application list is of a high-quality type, the grid-connected scheme distribution module distributes a priority grid-connected queue scheme to the local power terminal which initiates the grid-connected application;
and when the grid-connected application table is of a general quality type, the grid-connected scheme distribution module distributes a general grid-connected queue scheme to the local power terminal initiating the grid-connected application.
Further, in step S3, the grid connection protocol module selects a grid connection protocol according to the distributed grid connection scheme as follows:
when the local power terminal is distributed with a priority grid-connected queue scheme, selecting a high-quality grid-connected protocol;
when the local power terminal is allocated with a general grid-connected queue scheme, a general quality grid-connected protocol is selected.
Further, in step S4, the grid-connected transaction module performs a selected transaction mode according to the grid-connected protocol selected by the local power terminal:
when a high-quality grid-connected protocol is selected, a mortgage-free transaction mode is selected;
when a common quality grid-connected protocol is selected, a non-mortgage transaction mode is selected.
Further, in step S5, the grid-connected monitoring module performs a whole course monitoring on the local power terminal selecting the transaction mode as follows:
and the grid-connected supervision module supervises the grading result of the mortgage-free transaction mode on the local transaction terminal, and if the grading is lower than a set grading threshold, the special person carries out intervention management.
The second aspect of the invention adopts the following technical scheme:
the grid-connected scheme scheduling system is characterized by being used for executing the method provided by the first aspect, and comprises a local power terminal, a communication module, a main grid power terminal, a grid-connected application management module, a grid-connected scheme distribution module, a grid-connected protocol module, a grid-connected transaction module and a grid-connected supervision module, wherein the local power terminal is in communication connection with the main grid power terminal through the communication module, the grid-connected application management module is used for managing grid-connected application data initiated by the local power terminal to the main grid power terminal, the grid-connected scheme distribution module is used for giving a grid-connected scheme according to the grid-connected application data, and the grid-connected protocol module is used for selecting the grid-connected protocol according to the grid-connected scheme.
Compared with the prior art, the invention has the beneficial effects that:
the invention can solve the problems of poor power surplus regulation capability and weak anti-accident and load impact capability when the local power terminal and the main grid power terminal are connected in a grid, thereby ensuring the safe and reliable operation of the local power terminal and the main grid power terminal in the grid connection.
According to the invention, through scheduling of the grid-connected scheme, the grid-connected efficiency of the local power terminal and the main grid power terminal can be improved.
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 apparent that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive efforts.
Fig. 1 is a schematic overall flow diagram of a scheduling method of a grid-connected scheme according to an embodiment of the present invention.
Fig. 2 is a schematic flowchart of step S1 in a grid-connected scheme scheduling method according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, the illustrated embodiments are provided to illustrate the invention and not to limit the scope of the invention.
Referring to fig. 1, an embodiment of the present invention provides a grid-connected scheme scheduling method, which is applied to a grid-connected plan scheduling system, where the system includes a local power terminal, a communication module, a main grid power terminal, a grid-connected application management module, a grid-connected scheme allocation module, a grid-connected protocol module, a grid-connected transaction module, and a grid-connected supervision module, where the local power terminal establishes a communication connection with the main grid power terminal through the communication module, the grid-connected application management module is configured to manage grid-connected application data initiated by the local power terminal to the main grid power terminal, the grid-connected scheme allocation module is configured to provide a grid-connected scheme for the grid-connected application data, and the grid-connected protocol module performs selection of a grid-connected protocol according to the grid-connected scheme, where the method includes the following steps:
s1, when a grid-connected application management module receives grid-connected application data initiated by a local power terminal to a main grid power terminal, classifying the grid-connected application data;
s2, distributing the grid-connected scheme by a grid-connected scheme distribution module according to the classified grid-connected application data;
s3, selecting a grid-connected protocol by the grid-connected protocol module according to the distributed grid-connected scheme;
s4, the grid-connected transaction module selects a transaction mode according to a grid-connected protocol selected by the local power terminal;
and S5, the grid-connected supervision module carries out whole-course supervision on the transaction mode selected by the local power terminal.
In step S1, the method further includes the substeps of:
s11, before a local power terminal initiates a grid-connected application to a main grid power terminal, the local power terminal sends a grid-connected application table to the main grid power terminal through a communication module, wherein the content of the grid-connected application table comprises grid-connected voltage, grid-connected power and variable grid electric quantity;
and S12, after the main grid power terminal checks the grid-connected application table, allowing the grid-connected application of the local power terminal.
In step S1, when the grid-connected application management module receives grid-connected application data initiated by a local power terminal to a main grid power terminal, the grid-connected application data is classified as:
the main grid power terminal sets a standard grid-connected voltage interval, a grid-connected power standard interval and a variable grid power standard interval, and compares grid-connected voltage, grid-connected power and variable grid power data in a grid-connected reporting table with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval one by one, if the grid-connected voltage, the grid-connected power and the variable grid power data all accord with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval, the application table is of a high-quality type, and if any one of the grid-connected voltage, the grid-connected power and the variable grid power data does not accord with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval, the application table is of a general quality type.
Specifically, the standard grid-connected voltage interval, the grid-connected power standard interval and the grid-variable electric quantity standard interval are set by workers according to the actual condition of the power grid.
In step S2, the grid-connection scheme allocation module allocates the grid-connection scheme according to the classified grid-connection application data specifically as follows:
when the grid-connected application list is of a high-quality type, the grid-connected scheme distribution module distributes a priority grid-connected queue scheme to the local power terminal which initiates the grid-connected application;
and when the grid-connected application table is of a general quality type, the grid-connected scheme distribution module distributes a general grid-connected queue scheme to the local power terminal initiating the grid-connected application.
In step S3, the grid connection protocol module selects a grid connection protocol according to the distributed grid connection scheme as follows:
when the local power terminal is distributed with a priority grid-connected queue scheme, selecting a high-quality grid-connected protocol;
when the local power terminal is allocated with a general grid-connected queue scheme, a general quality grid-connected protocol is selected.
In step S4, the grid-connected transaction module selects a transaction mode according to a grid-connected protocol selected by the local power terminal as follows:
when a high-quality grid-connected protocol is selected, a mortgage-free transaction mode is selected;
when a common quality grid-connected protocol is selected, a mortgage-free transaction mode is selected.
Illustratively, the grid-connected protocol is set autonomously according to the actual conditions of the grid dispatching management regulations.
In step S5, the grid-connected supervision module performs a whole-course supervision on the local power terminal selection transaction mode as follows:
and the grid-connected supervision module supervises the grading result of the mortgage-free transaction mode on the local transaction terminal, and if the grading is lower than a set grading threshold, the special person carries out intervention management.
For example, for the condition that the score is lower than the set score threshold value and is managed by a specially-assigned person, the transaction object can be better served, and the transaction experience is improved.
Another embodiment of the invention provides a grid-connected scheme scheduling system, which is characterized in that the system is used for executing the method provided by the first aspect, the system comprises a local power terminal, a communication module, a main grid power terminal, a grid-connected application management module, a grid-connected scheme distribution module, a grid-connected protocol module, a grid-connected transaction module and a grid-connected supervision module, the local power terminal is in communication connection with the main grid power terminal through the communication module, the grid-connected application management module is used for managing grid-connected application data initiated by the local power terminal to the main grid power terminal, the grid-connected scheme distribution module is used for giving a grid-connected scheme according to the grid-connected application data, and the grid-connected protocol module is used for selecting the grid-connected protocol according to the grid-connected scheme.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The grid-connected scheme scheduling method is applied to a grid-connected plan scheduling system, the system comprises a local power terminal, a communication module, a main grid power terminal, a grid-connected application management module, a grid-connected scheme distribution module, a grid-connected protocol module, a grid-connected transaction module and a grid-connected supervision module, the local power terminal is in communication connection with the main grid power terminal through the communication module, the grid-connected application management module is used for managing grid-connected application data initiated by the local power terminal to the main grid power terminal, the grid-connected scheme distribution module is used for giving a grid-connected scheme aiming at the grid-connected application data, and the grid-connected protocol module is used for selecting the grid-connected protocol according to the grid-connected scheme, and the method comprises the following steps:
s1, when a grid-connected application management module receives grid-connected application data initiated by a local power terminal to a main grid power terminal, classifying the grid-connected application data;
s2, distributing the grid-connected scheme by a grid-connected scheme distribution module according to the classified grid-connected application data;
s3, selecting a grid-connected protocol by the grid-connected protocol module according to the distributed grid-connected scheme;
s4, the grid-connected transaction module selects a transaction mode according to a grid-connected protocol selected by the local power terminal;
and S5, the grid-connected supervision module carries out whole-course supervision on the local power terminal selection transaction mode.
2. The grid-connection scheme scheduling method according to claim 1, further comprising, in step S1, the substeps of:
s11, before a local power terminal initiates a grid-connected application to a main grid power terminal, the local power terminal sends a grid-connected application form to the main grid power terminal through a communication module, wherein the content of the grid-connected application form comprises grid-connected voltage, grid-connected power and grid-variable electric quantity;
and S12, when the main grid power terminal checks the grid-connected application table, allowing the grid-connected application of the local power terminal.
3. The grid-connected scheme scheduling method according to claim 2, wherein in step S1, when the grid-connected application management module receives grid-connected application data initiated by a local power terminal to a main grid power terminal, the classification of the grid-connected application data is specifically as follows:
the main grid power terminal sets a standard grid-connected voltage interval, a grid-connected power standard interval and a variable grid power standard interval, and compares grid-connected voltage, grid-connected power and variable grid power data in a grid-connected reporting table with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval one by one, if the grid-connected voltage, the grid-connected power and the variable grid power data all accord with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval, the application table is of a high-quality type, and if any one of the grid-connected voltage, the grid-connected power and the variable grid power data does not accord with the standard grid-connected voltage interval, the grid-connected power standard interval and the variable grid power standard interval, the application table is of a general quality type.
4. The grid-connection scheme scheduling method according to claim 3, wherein in the step S2, the grid-connection scheme allocation module allocates the grid-connection scheme according to the classified grid-connection application data specifically as follows:
when the grid-connected application list is of a high-quality type, the grid-connected scheme distribution module distributes a priority grid-connected queue scheme to the local power terminal which initiates the grid-connected application;
and when the grid-connected application table is of a general quality type, the grid-connected scheme distribution module distributes a general grid-connected queue scheme to the local power terminal initiating the grid-connected application.
5. The grid-connection scheme scheduling method according to claim 4, wherein in step S3, the grid-connection protocol module selects the grid-connection protocol according to the distributed grid-connection scheme as follows:
when the local power terminal is distributed with a priority grid-connected queue scheme, selecting a high-quality grid-connected protocol;
when the local power terminal is assigned with a general grid connection queue scheme, a general quality grid connection protocol is selected.
6. The grid-connection scheme scheduling method according to claim 5, wherein in step S4, the grid-connection transaction module performs the selection transaction mode according to the grid-connection protocol selected by the local power terminal:
when a high-quality grid-connected protocol is selected, a mortgage-free transaction mode is selected;
when a common quality grid-connected protocol is selected, a mortgage-free transaction mode is selected.
7. The grid-connected scheme scheduling method according to claim 6, wherein in step S5, the grid-connected supervision module performs a whole-course supervision on the local power terminal selection transaction mode as follows:
and the grid-connected supervision module supervises the grading result of the mortgage-free transaction mode on the local transaction terminal, and if the grading is lower than a set grading threshold, the special person carries out intervention management.
8. A grid-connected pre-arrangement dispatching system, characterized in that the system is used for executing the method of claims 1-7, the system comprises a local power terminal, a communication module, a main grid power terminal, a grid-connected application management module, a grid-connected scheme distribution module, a grid-connected protocol module, a grid-connected transaction module and a grid-connected supervision module, wherein the local power terminal is in communication connection with the main grid power terminal through the communication module, the grid-connected application management module is used for managing grid-connected application data initiated by the local power terminal to the main grid power terminal, the grid-connected scheme distribution module is used for giving a grid-connected scheme according to the grid-connected application data, and the grid-connected protocol module is used for selecting the grid-connected protocol according to the grid-connected scheme.
CN202211682778.6A 2022-12-27 2022-12-27 Grid-connected scheme scheduling method Pending CN115983579A (en)

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CN115983579A true CN115983579A (en) 2023-04-18

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