CN113919697A - Grid-connected index examination early warning processing method and device - Google Patents

Grid-connected index examination early warning processing method and device Download PDF

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CN113919697A
CN113919697A CN202111187182.4A CN202111187182A CN113919697A CN 113919697 A CN113919697 A CN 113919697A CN 202111187182 A CN202111187182 A CN 202111187182A CN 113919697 A CN113919697 A CN 113919697A
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grid
power generation
requirement
acquiring
historical data
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王海峰
裴刘生
周双全
李光辉
刘勇
江标荣
杨先川
杨建辉
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Jinhongtai Intelligent Operation And Maintenance Beijing Technology Co ltd
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Abstract

The application discloses a grid-connected index examination early warning processing method and device, and the method comprises the following steps: acquiring a grid-connection requirement, wherein the grid-connection requirement is used for indicating a requirement that a power generation enterprise integrates generated power into a power grid; acquiring current power generation information; comparing the power generation information with the grid-connected requirement, and judging whether the power generation information meets the grid-connected requirement; and sending alarm information under the condition that the grid connection requirement is not met, wherein the alarm information is used for indicating the current information which is not met with the grid connection requirement. According to the method and the device, the problem that the grid connection is not carried out according to the requirement possibly in the process of manually adjusting the power generation information according to the grid connection requirement in the prior art is solved, so that the occurrence probability of grid connection not carried out according to the grid connection requirement is reduced, and the influence on green energy power generation enterprises caused by grid connection not according to the requirement is reduced.

Description

Grid-connected index examination early warning processing method and device
Technical Field
The application relates to the field of power generation, in particular to a grid-connected index examination and early warning processing method and device.
Background
When green energy power generation (such as wind power, photovoltaic, hydropower and the like) is subjected to grid connection, grid connection is required according to the requirement of grid connection, so that fluctuation caused by the existing power grid is prevented.
Therefore, the power generation information needs to be monitored, and the monitored power generation information is compared with the grid connection requirement, so that the problem can be timely solved when the problem occurs.
In the prior art, grid connection requirements and monitored power generation information are compared and displayed on a screen, and then adjustment and control are performed manually according to the grid connection requirements and the current power generation information.
Disclosure of Invention
The embodiment of the application provides a grid-connected index examination and early warning processing method and device, which are used for at least solving the problem in the prior art that grid connection is not performed according to requirements possibly in the process of manually adjusting power generation information according to grid-connected requirements.
According to one aspect of the application, a grid-connected index examination and early warning processing method is provided, and comprises the following steps: acquiring a grid-connection requirement, wherein the grid-connection requirement is used for indicating a requirement that a power generation enterprise integrates generated power into a power grid; acquiring current power generation information; comparing the power generation information with the grid-connected requirement, and judging whether the power generation information meets the grid-connected requirement; and sending alarm information under the condition that the grid connection requirement is not met, wherein the alarm information is used for indicating the current information which is not met with the grid connection requirement.
Further, comparing the power generation information with the grid-connected requirement, and judging whether the power generation information meets the grid-connected requirement includes: acquiring a requirement of the power generation amount in a preset time period in the grid connection requirement; acquiring a first electric quantity which is sent currently, wherein the current time is a time difference from the end of the preset time period; predicting a second electric quantity expected to be emitted within the time difference according to the time difference; and judging whether the generated energy in the grid-connected requirement is met in the preset time period according to the sum of the first electric quantity and the second electric quantity.
Further, predicting from the time difference an expected second amount of power to be delivered within the time difference comprises: and acquiring historical data, and predicting second electric quantity emitted in the time difference according to the historical data, wherein the historical data is real power generation data before the current time point.
Further, obtaining the historical data comprises: acquiring current meteorological conditions; and acquiring historical data of which the similarity between the weather conditions corresponding to the historical data and the current weather conditions exceeds a threshold from all historical data, and taking the historical data of which the similarity exceeds the threshold as a basis for predicting the second electric quantity emitted in the time difference.
Further, still include: and reducing the grid-connected power generation amount according to the power generation amount in the grid-connection request when the sum of the first power amount and the second power amount exceeds the power generation amount in the grid-connection request.
According to another aspect of the application, a grid-connected index examination and early warning processing system is provided, which comprises: the system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring grid-connected requirements, and the grid-connected requirements are used for indicating requirements of power generation enterprises for integrating generated power into a power grid; the second acquisition module is used for acquiring the current power generation information; the judging module is used for comparing the power generation information with the grid-connected requirement and judging whether the power generation information meets the grid-connected requirement; and the sending module is used for sending alarm information under the condition that the grid-connected requirement is not met, wherein the alarm information is used for indicating the current information which is not met with the grid-connected requirement.
Further, the determining module is configured to: acquiring a requirement of the power generation amount in a preset time period in the grid connection requirement; acquiring a first electric quantity which is sent currently, wherein the current time is a time difference from the end of the preset time period; predicting a second electric quantity expected to be emitted within the time difference according to the time difference; and judging whether the generated energy in the grid-connected requirement is met in the preset time period according to the sum of the first electric quantity and the second electric quantity.
Further, the determining module is configured to: and acquiring historical data, and predicting second electric quantity emitted in the time difference according to the historical data, wherein the historical data is real power generation data before the current time point.
Further, the determining module is configured to: acquiring current meteorological conditions; and acquiring historical data of which the similarity between the weather conditions corresponding to the historical data and the current weather conditions exceeds a threshold from all historical data, and taking the historical data of which the similarity exceeds the threshold as a basis for predicting the second electric quantity emitted in the time difference.
Further, still include: and the processing module is used for reducing the grid-connected power generation amount according to the grid-connected power generation amount in the grid-connected requirement when the sum of the first power amount and the second power amount exceeds the power generation amount in the grid-connected requirement.
In the embodiment of the application, a requirement for acquiring grid connection is adopted, wherein the grid connection requirement is used for indicating a requirement that a power generation enterprise integrates generated power into a power grid; acquiring current power generation information; comparing the power generation information with the grid-connected requirement, and judging whether the power generation information meets the grid-connected requirement; and sending alarm information under the condition that the grid connection requirement is not met, wherein the alarm information is used for indicating the current information which is not met with the grid connection requirement. According to the method and the device, the problem that the grid connection is not carried out according to the requirement possibly in the process of manually adjusting the power generation information according to the grid connection requirement in the prior art is solved, so that the occurrence probability of grid connection not carried out according to the grid connection requirement is reduced, and the influence on green energy power generation enterprises caused by grid connection not according to the requirement is reduced.
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The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 is a flowchart of a grid-connected index assessment early warning processing method according to an embodiment of the application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
And judging whether the current equipment running state can have the condition that the current equipment running state does not meet the examination requirements according to the examination indexes of grid connection, and early warning the condition that the upcoming examination does not meet the requirements. The assessment is a grid-connected unit (for example, assessment indexes of a national power grid), and the assessment indexes are as follows: reporting expected power generation amount, power generation amount distributed by a national power grid and the like before, and if the current power generation amount is not consistent with the reported power generation amount, judging that the assessment is not consistent with the requirement.
In this embodiment, a grid-connected index examination and early warning processing method is provided, and fig. 1 is a flowchart of the grid-connected index examination and early warning processing method according to an embodiment of the present application, and as shown in fig. 1, the method includes the following steps:
step S102, acquiring a grid connection requirement, wherein the grid connection requirement is used for indicating a requirement that a power generation enterprise integrates generated power into a power grid;
step S104, acquiring current power generation information;
step S106, comparing the power generation information with the grid-connected requirement, and judging whether the power generation information meets the grid-connected requirement;
and S108, sending alarm information under the condition that the grid-connected requirement is not met, wherein the alarm information is used for indicating the current information which is not met with the grid-connected requirement.
According to the embodiment, the grid-connected requirement is obtained, the current power generation information is obtained, the power generation information is compared with the grid-connected requirement, whether the power generation information meets the grid-connected requirement or not is judged, and the warning information is sent under the condition that the power generation information does not meet the grid-connected requirement. The problem that grid connection is not carried out according to the requirements in the process of manually adjusting the power generation information according to the grid connection requirements in the prior art is solved, so that the probability of grid connection not carried out according to the grid connection requirements is reduced, and the influence of grid connection not carried out according to the requirements on green energy power generation enterprises is reduced.
Preferably, in step S106, comparing the power generation information with the grid-connected requirement, and determining whether the power generation information meets the grid-connected requirement includes: acquiring a requirement of the power generation amount in a preset time period in the grid connection requirement; acquiring a first electric quantity which is sent currently, wherein the current time is a time difference from the end of the preset time period; predicting a second electric quantity expected to be emitted within the time difference according to the time difference; and judging whether the generated energy in the grid-connected requirement is met in the preset time period according to the sum of the first electric quantity and the second electric quantity.
Acquiring the parameter requirement of the grid-connected requirement on grid-connected power, converting the parameter requirement of the grid-connected power into a control parameter, and sending the control parameter to control equipment connected with power generation equipment, wherein the control equipment adjusts the power parameter of the power generation equipment and performs grid connection after adjustment.
The method comprises the steps of obtaining working parameters of the control equipment, comparing the working parameters with parameter requirements in the grid-connected requirements, and recording time exceeding a threshold value and parameters of grid-connected power provided by the control equipment when the time exceeds the threshold value in addition to sending an alarm message after the difference between the working parameters and the parameter requirements exceeds the threshold value. The record is used for calculating the penalty of the power grid company after the threshold is exceeded, comparing the calculated penalty with the penalty received from the power grid company, judging whether the calculated penalty and the received penalty are consistent, and judging the result to provide a basis for objection for the power grid company.
The grid-connected electric quantity in the grid-connected requirement is the electric quantity which is actively reported and approved by a power generation enterprise. The method may further comprise: acquiring the historical approved power generation amount, and generating grid-connected power quantity reported to a power grid company in the next time period according to the historical approved power generation amount and the expected power generation amount; wherein the expected power generation is calculated according to the meteorological conditions and the number of available solar panels in the next time period.
As an alternative embodiment, the expected power generation may be generated in two ways.
The first method is as follows: and acquiring the quantity of the panels used by the generated energy within a historical preset time period when the similarity of the weather conditions in the next time period exceeds a preset value, and generating expected generated energy according to the quantity of the available panels and the data of the panels corresponding to the historical generated energy.
And inputting the meteorological conditions into a machine learning model, wherein the machine learning model is obtained by training multiple sets of training data, each set of training data in the multiple sets of training data comprises input data and output data, the input data is the meteorological conditions of one day, and the output data is the generated energy of one solar panel at the current illumination time. And inputting the weather conditions of each day in the next time period into the machine learning model to obtain the output power generation amount of one solar cell panel each day. The expected power generation is calculated according to the number of available solar panels.
The above-described means may be used alone or together, for example, a first expected power generation amount determined in the first means and a second expected power generation amount determined in the second means are obtained, and if the first expected power generation amount and the second expected power generation amount are the same, it is determined that the expected power generation amount is correct. If the first expected power generation amount and the second expected power generation amount are different, an average value of the first expected power generation amount and the second expected power generation amount is taken as an expected power generation amount.
In another embodiment, the grid-connected electric quantity after the power grid company is approved is received, the grid-connected electric quantity in the next time period after the approval is compared with the reported grid-connected electric quantity, and if the reported grid-connected electric quantity is larger than the approved electric quantity and exceeds a threshold value, the penalty of the power grid company received in the current time period and the previous time period is obtained, wherein the penalty is displayed to be used as a basis for judging that the approved electric quantity is smaller than the reported grid-connected electric quantity.
Preferably, predicting from the time difference the second amount of power expected to be delivered within the time difference comprises: and acquiring historical data, and predicting second electric quantity emitted in the time difference according to the historical data, wherein the historical data is real power generation data before the current time point.
As an optional implementation, the obtaining the historical data includes: acquiring current meteorological conditions; and acquiring historical data of which the similarity between the weather conditions corresponding to the historical data and the current weather conditions exceeds a threshold from all historical data, and taking the historical data of which the similarity exceeds the threshold as a basis for predicting the second electric quantity emitted in the time difference.
More preferably, the method further comprises: and reducing the grid-connected power generation amount according to the power generation amount in the grid-connection request when the sum of the first power amount and the second power amount exceeds the power generation amount in the grid-connection request.
In this embodiment, an electronic device is provided, comprising a memory in which a computer program is stored and a processor configured to run the computer program to perform the method in the above embodiments.
The programs described above may be run on a processor or may also be stored in memory (or referred to as computer-readable media), which includes both non-transitory and non-transitory, removable and non-removable media, that implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
These computer programs may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks, and corresponding steps may be implemented by different modules.
Such an apparatus or system is provided in this embodiment. The system is called as a grid-connected index examination and early warning processing system, and comprises: the system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring grid-connected requirements, and the grid-connected requirements are used for indicating requirements of power generation enterprises for integrating generated power into a power grid; the second acquisition module is used for acquiring the current power generation information; the judging module is used for comparing the power generation information with the grid-connected requirement and judging whether the power generation information meets the grid-connected requirement; and the sending module is used for sending alarm information under the condition that the grid-connected requirement is not met, wherein the alarm information is used for indicating the current information which is not met with the grid-connected requirement.
Preferably, the determining module is configured to: acquiring a requirement of the power generation amount in a preset time period in the grid connection requirement; acquiring a first electric quantity which is sent currently, wherein the current time is a time difference from the end of the preset time period; predicting a second electric quantity expected to be emitted within the time difference according to the time difference; and judging whether the generated energy in the grid-connected requirement is met in the preset time period according to the sum of the first electric quantity and the second electric quantity.
Preferably, the determining module is configured to: and acquiring historical data, and predicting second electric quantity emitted in the time difference according to the historical data, wherein the historical data is real power generation data before the current time point.
As an optional implementation manner, the determining module is configured to: acquiring current meteorological conditions; and acquiring historical data of which the similarity between the weather conditions corresponding to the historical data and the current weather conditions exceeds a threshold from all historical data, and taking the historical data of which the similarity exceeds the threshold as a basis for predicting the second electric quantity emitted in the time difference.
More preferably, the system further comprises: and the processing module is used for reducing the grid-connected power generation amount according to the grid-connected power generation amount in the grid-connected requirement when the sum of the first power amount and the second power amount exceeds the power generation amount in the grid-connected requirement.
According to the embodiment, a first acquisition module is adopted to acquire a grid-connected requirement, a second acquisition module acquires current power generation information, a judgment module compares the power generation information with the grid-connected requirement to judge whether the power generation information meets the grid-connected requirement, and a sending module sends alarm information under the condition that the power generation information does not meet the grid-connected requirement. The problem that grid connection is not carried out according to the requirements in the process of manually adjusting the power generation information according to the grid connection requirements in the prior art is solved, so that the probability of grid connection not carried out according to the grid connection requirements is reduced, and the influence of grid connection not carried out according to the requirements on green energy power generation enterprises is reduced.
The system or the apparatus is used for implementing the functions of the method in the foregoing embodiments, and each module in the system or the apparatus corresponds to each step in the method, which has been described in the method and is not described herein again.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A grid-connected index examination early warning processing method is characterized by comprising the following steps:
acquiring a grid-connection requirement, wherein the grid-connection requirement is used for indicating a requirement that a power generation enterprise integrates generated power into a power grid;
acquiring current power generation information;
comparing the power generation information with the grid-connected requirement, and judging whether the power generation information meets the grid-connected requirement;
and sending alarm information under the condition that the grid connection requirement is not met, wherein the alarm information is used for indicating the current information which is not met with the grid connection requirement.
2. The method according to claim 1, wherein comparing the power generation information with the grid-connected requirement and determining whether the power generation information meets the grid-connected requirement comprises:
acquiring a requirement of the power generation amount in a preset time period in the grid connection requirement;
acquiring a first electric quantity which is sent currently, wherein the current time is a time difference from the end of the preset time period;
predicting a second electric quantity expected to be emitted within the time difference according to the time difference;
and judging whether the generated energy in the grid-connected requirement is met in the preset time period according to the sum of the first electric quantity and the second electric quantity.
3. The method of claim 2, wherein predicting from the time difference an expected second amount of power to be delivered within the time difference comprises:
and acquiring historical data, and predicting second electric quantity emitted in the time difference according to the historical data, wherein the historical data is real power generation data before the current time point.
4. The method of claim 3, wherein obtaining the historical data comprises:
acquiring current meteorological conditions;
and acquiring historical data of which the similarity between the weather conditions corresponding to the historical data and the current weather conditions exceeds a threshold from all historical data, and taking the historical data of which the similarity exceeds the threshold as a basis for predicting the second electric quantity emitted in the time difference.
5. The method of any of claims 2 to 4, further comprising:
and reducing the grid-connected power generation amount according to the power generation amount in the grid-connection request when the sum of the first power amount and the second power amount exceeds the power generation amount in the grid-connection request.
6. A grid-connected index examination and early warning processing system is characterized by comprising:
the system comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring grid-connected requirements, and the grid-connected requirements are used for indicating requirements of power generation enterprises for integrating generated power into a power grid;
the second acquisition module is used for acquiring the current power generation information;
the judging module is used for comparing the power generation information with the grid-connected requirement and judging whether the power generation information meets the grid-connected requirement;
and the sending module is used for sending alarm information under the condition that the grid-connected requirement is not met, wherein the alarm information is used for indicating the current information which is not met with the grid-connected requirement.
7. The system of claim 6, wherein the determination module is configured to:
acquiring a requirement of the power generation amount in a preset time period in the grid connection requirement;
acquiring a first electric quantity which is sent currently, wherein the current time is a time difference from the end of the preset time period;
predicting a second electric quantity expected to be emitted within the time difference according to the time difference;
and judging whether the generated energy in the grid-connected requirement is met in the preset time period according to the sum of the first electric quantity and the second electric quantity.
8. The system of claim 7, wherein the determination module is configured to:
and acquiring historical data, and predicting second electric quantity emitted in the time difference according to the historical data, wherein the historical data is real power generation data before the current time point.
9. The system of claim 8, wherein the determination module is configured to:
acquiring current meteorological conditions;
and acquiring historical data of which the similarity between the weather conditions corresponding to the historical data and the current weather conditions exceeds a threshold from all historical data, and taking the historical data of which the similarity exceeds the threshold as a basis for predicting the second electric quantity emitted in the time difference.
10. The system of any one of claims 7 to 9, further comprising:
and the processing module is used for reducing the grid-connected power generation amount according to the grid-connected power generation amount in the grid-connected requirement when the sum of the first power amount and the second power amount exceeds the power generation amount in the grid-connected requirement.
CN202111187182.4A 2021-10-12 2021-10-12 Grid-connected index examination early warning processing method and device Withdrawn CN113919697A (en)

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