CN111652187A - Photovoltaic power station on-site dynamic capture method and system - Google Patents
Photovoltaic power station on-site dynamic capture method and system Download PDFInfo
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- CN111652187A CN111652187A CN202010581547.0A CN202010581547A CN111652187A CN 111652187 A CN111652187 A CN 111652187A CN 202010581547 A CN202010581547 A CN 202010581547A CN 111652187 A CN111652187 A CN 111652187A
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Abstract
The invention discloses a photovoltaic power station on-site dynamic capture method, which comprises the following steps: s1: acquiring a field synchronization signal, guessing and collecting effective data, and selecting a channel input state; s2: acquiring field images at regular time, and continuously acquiring field videos and other various data of the photovoltaic power station; s3: carrying out infrared processing on the image and the video, and numbering infrared targets; s4: drawing a motion track of the infrared target; s5: backing up the motion trail in the S4, and comparing the motion trail with the motion trail collected before to obtain a trail fluctuation point; the backup assembly can analyze the detection result and all previous detection results, so that the detection result is more accurate, and meanwhile, the comparison can be carried out under the condition of no network, so that the limitation in use is greatly reduced, and meanwhile, the designed data acquisition module enables the acquisition range to be wider, and is beneficial to more clear image description of the motion trail.
Description
Technical Field
The invention belongs to the technical field of power system control, and particularly relates to a photovoltaic power station on-site dynamic capture method.
Background
A photovoltaic power station is a power generation system which utilizes solar energy and is composed of electronic elements such as a crystalline silicon plate, an inverter and the like which are made of special materials, and a photovoltaic power generation system which is connected with a power grid and transmits power to the power grid
In the actual application of the existing dynamic capture method, the whole operation flow is slow, only single analysis can be performed, and the embodied range is only limited to single detection, so the detection comprehensiveness is not enough.
Disclosure of Invention
The invention aims to provide a photovoltaic power station on-site dynamic capture method and a photovoltaic power station on-site dynamic capture system, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a photovoltaic power station on-site dynamic capture method comprises the following steps:
s1: acquiring a field synchronization signal, guessing and collecting effective data, and selecting a channel input state;
s2: acquiring field images at regular time, and continuously acquiring field videos and other various data of the photovoltaic power station;
s3: carrying out infrared processing on the image and the video, and numbering infrared targets;
s4: drawing a motion track of the infrared target;
s5: backing up the motion trail in the S4, and comparing the motion trail with the motion trail collected before to obtain a trail fluctuation point;
s6: and comparing the corresponding detection areas through the fluctuation points, and analyzing the reasons for generating the fluctuation.
Preferably, in S1, the time for acquiring the live image at fixed time is 30min or 1h, and the acquisition is performed at a fixed point, and the shooting angle and range are also fixed.
Preferably, the various data in S1 further include an output voltage of the array, an output current of the array, a dc side voltage of the inverter, an input current of the inverter, an active power output by the photovoltaic power station, and a reactive power output by the photovoltaic power station.
Preferably, the lowest point and the highest point in S4 are averaged to reflect the general fluctuation.
Preferably, the step S4 further includes clustering the photovoltaic power stations by the dynamic time warping distance, and planning the areas of the same kind of phenomena into the same area.
The invention also discloses a photovoltaic power station on-site dynamic capture system: the system comprises a processing unit, a detection module, a backup module and a drawing processing module;
the processing unit is used for integrally planning and adjusting the acquired various data information; the detection module is used for recording data to be detected in the photovoltaic power station and uploading the data to the processing unit; the backup module is used for recording the structure of the multiple dynamic steps and analyzing the structure; the drawing processing module is used for receiving the conclusion sent by the processing unit and drawing the conclusion to form a motion track.
Preferably, the detection module comprises a video acquisition end, an image acquisition end and a data acquisition module; the video acquisition end works continuously, and the image acquisition end works regularly.
Preferably, the backup module is further communicated with an offline database, and the offline database can be directly used for comparison when the network channel is not good.
Compared with the prior art, the invention has the beneficial effects that:
the backup assembly can analyze the detection result and all previous detection results, so that the detection result is more accurate, and meanwhile, the comparison can be carried out under the condition of no network, so that the limitation in use is greatly reduced, and meanwhile, the designed data acquisition module enables the acquisition range to be wider, and is beneficial to more clear image description of the motion trail.
Drawings
FIG. 1 is a schematic diagram of a process embodying the present invention;
FIG. 2 is a schematic diagram of an operating system according to the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Example 1
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a photovoltaic power station on-site dynamic capture method comprises the following steps:
s1: acquiring a field synchronization signal, guessing and collecting effective data, and selecting a channel input state;
s2: acquiring field images at regular time, and continuously acquiring field videos and other various data of the photovoltaic power station;
s3: carrying out infrared processing on the image and the video, and numbering infrared targets;
s4: drawing a motion track of the infrared target;
s5: backing up the motion trail in the S4, and comparing the motion trail with the motion trail collected before to obtain a trail fluctuation point;
s6: and comparing the corresponding detection areas through the fluctuation points, and analyzing the reasons for generating the fluctuation.
In this embodiment, it is preferable that the time for acquiring the live image at fixed time in S1 is 30min, and the live image is acquired at a fixed point, and the shooting angle and the shooting range are also fixed.
In this embodiment, preferably, the various data in S1 further include output voltage of the array, output current of the array, dc side voltage of the inverter, input current of the inverter, active power output by the photovoltaic power station, and reactive power output by the photovoltaic power station.
In this embodiment, it is preferable that the lowest point and the highest point in S4 are calculated as an average value to reflect the general fluctuation.
In this embodiment, preferably, the step S4 further includes clustering the photovoltaic power stations by the dynamic time warping distance, and planning the regions of the same kind of phenomena into the same region.
The invention also discloses a photovoltaic power station on-site dynamic capture system: the system comprises a processing unit, a detection module, a backup module and a drawing processing module;
the processing unit is used for integrally planning and adjusting the acquired various data information; the detection module is used for recording data to be detected in the photovoltaic power station and uploading the data to the processing unit; the backup module is used for recording the structure of the multiple dynamic steps and analyzing the structure; the drawing processing module is used for receiving the conclusion sent by the processing unit and drawing the conclusion to form a motion track.
In this embodiment, preferably, the detection module includes a video acquisition end, an image acquisition end and a data acquisition module; the video acquisition end works continuously, and the image acquisition end works regularly.
In this embodiment, preferably, the backup module is further communicated with an offline database, and when the network channel is not good, the offline database can be directly compared with the network channel.
Example 2
Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a photovoltaic power station on-site dynamic capture method comprises the following steps:
s1: acquiring a field synchronization signal, guessing and collecting effective data, and selecting a channel input state;
s2: acquiring field images at regular time, and continuously acquiring field videos and other various data of the photovoltaic power station;
s3: carrying out infrared processing on the image and the video, and numbering infrared targets;
s4: drawing a motion track of the infrared target;
s5: backing up the motion trail in the S4, and comparing the motion trail with the motion trail collected before to obtain a trail fluctuation point;
s6: and comparing the corresponding detection areas through the fluctuation points, and analyzing the reasons for generating the fluctuation.
In this embodiment, preferably, in S1, the time for acquiring the live image at fixed time is 1h, and the acquisition is performed at a fixed point, and the shooting angle and range are also fixed.
In this embodiment, preferably, the various data in S1 further include an output voltage of the array, an output current of the array, a dc side voltage of the inverter, an input current of the inverter, and an active power output by the photovoltaic power station.
In this embodiment, it is preferable that the lowest point and the highest point in S4 are calculated as an average value to reflect the general fluctuation.
In this embodiment, preferably, the step S4 further includes clustering the photovoltaic power stations by the dynamic time warping distance, and planning the regions of the same kind of phenomena into the same region.
The invention also discloses a photovoltaic power station on-site dynamic capture system: the system comprises a processing unit, a detection module, a backup module and a drawing processing module;
the processing unit is used for integrally planning and adjusting the acquired various data information; the detection module is used for recording data to be detected in the photovoltaic power station and uploading the data to the processing unit; the backup module is used for recording the structure of the multiple dynamic steps and analyzing the structure; the drawing processing module is used for receiving the conclusion sent by the processing unit and drawing the conclusion to form a motion track.
In this embodiment, preferably, the detection module includes a video acquisition end, an image acquisition end and a data acquisition module; the video acquisition end works continuously, and the image acquisition end works regularly.
In this embodiment, preferably, the backup module is further communicated with an offline database, and when the network channel is not good, the offline database can be directly compared with the network channel.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A photovoltaic power station on-site dynamic capture method is characterized by comprising the following steps: the method comprises the following steps:
s1: acquiring a field synchronization signal, guessing and collecting effective data, and selecting a channel input state;
s2: acquiring field images at regular time, and continuously acquiring field videos and other various data of the photovoltaic power station;
s3: carrying out infrared processing on the image and the video, and numbering infrared targets;
s4: drawing a motion track of the infrared target;
s5: backing up the motion trail in the S4, and comparing the motion trail with the motion trail collected before to obtain a trail fluctuation point;
s6: and comparing the corresponding detection areas through the fluctuation points, and analyzing the reasons for generating the fluctuation.
2. The photovoltaic power plant field dynamic capture method of claim 1, wherein: and in the S1, the time for acquiring the live image at fixed time is 30min or 1h, the live image is acquired at a fixed point, and the shooting angle and the shooting range are fixed.
3. The photovoltaic power plant field dynamic capture method of claim 1, wherein: the various data in S1 further include an output voltage of the array, an output current of the array, a dc side voltage of the inverter, an input current of the inverter, an active power output by the photovoltaic power station, and a reactive power output by the photovoltaic power station.
4. The photovoltaic power plant field dynamic capture method of claim 1, wherein: the lowest point and the highest point in the S4 are calculated to be an average value, so that the fluctuation condition of the population is reflected.
5. The photovoltaic power plant field dynamic capture method of claim 1, wherein: and S4, clustering the photovoltaic power stations through the dynamic time bending distance, and planning the areas of the same type of phenomena into the same area.
6. The photovoltaic power plant field dynamic capture system of claim 1, wherein: the system comprises a processing unit, a detection module, a backup module and a drawing processing module;
the processing unit is used for integrally planning and adjusting the acquired various data information; the detection module is used for recording data to be detected in the photovoltaic power station and uploading the data to the processing unit; the backup module is used for recording the structure of the multiple dynamic steps and analyzing the structure; the drawing processing module is used for receiving the conclusion sent by the processing unit and drawing the conclusion to form a motion track.
7. The photovoltaic power plant field dynamic capture system of claim 6, wherein: the detection module comprises a video acquisition end, an image acquisition end and a data acquisition module; the video acquisition end works continuously, and the image acquisition end works regularly.
8. The photovoltaic power plant field dynamic capture system of claim 6, wherein: the backup module is also communicated with an off-line database for direct comparison when the network channel is not good.
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- 2020-06-23 CN CN202010581547.0A patent/CN111652187B/en active Active
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| CN203984582U (en) * | 2014-07-22 | 2014-12-03 | 国家电网公司 | A kind of based on the operating personnel of transformer station picture catching fixer network transmitting device |
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