CN117437589A - Method, system, equipment and medium for preventing false detection of relay protection equipment of transformer substation - Google Patents
Method, system, equipment and medium for preventing false detection of relay protection equipment of transformer substation Download PDFInfo
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Abstract
The invention discloses a false detection prevention method, a false detection prevention system, false detection prevention equipment and a false detection prevention medium for a relay protection device of a transformer substation. The method for data retrieval and image recognition is provided to ensure accurate acquisition of operation data of relay protection equipment. The real pressing plate state acquired by the inspection robot is compared with the executed constant value operation data to obtain a pressing plate operation sequence, the pressing plate operation sequence is stored with the operation of the pressing plate, the sequence of the operation and the data of which the pressing plate state and the operation record are inconsistent, and the false detection result can be obtained by carrying out false locking prevention detection on the data. Therefore, the problems that the checking machine is used for checking, the time consumption is high and the accuracy is low due to the fact that manual detection and comparison operation are generally adopted for anti-misoperation management of relay protection equipment of a transformer substation.
Description
Technical Field
The invention relates to the technical field of false detection prevention of relay protection equipment of a transformer substation, in particular to a false detection prevention method, a false detection prevention system, false detection prevention equipment and false detection prevention media of relay protection equipment of the transformer substation.
Background
The operation reliability of the substation relay protection equipment serving as important equipment for guaranteeing the safety of personnel, power grids and equipment depends on whether operation and maintenance personnel operate the relay protection equipment correctly or not. According to the operation types of the relay protection equipment of the transformer substation, the operation of the relay protection equipment of the transformer substation is mainly divided into protection fixed value operation and hard pressing plate switching. Unlike the primary equipment of the substation, however,
the relay protection equipment of the transformer substation lacks a complete microcomputer five-prevention means, so that certain measures are needed to be taken to realize the misoperation prevention of the relay protection equipment of the transformer substation.
At present, the anti-misoperation management mode of manual monitoring operation is generally adopted for anti-misoperation management of relay protection equipment of a transformer substation, and the mode has the defects of mechanical checking, time consumption, high rework rate and the like, and cannot meet the digital transformation requirement of a power grid. Therefore, a software error-preventing module capable of rapidly and accurately checking the operation of the on-site relay protection equipment and accurately preventing errors is urgently needed on site so as to improve the digital error-preventing level and the quality and efficiency of the operation of the whole transformer substation relay protection equipment.
Disclosure of Invention
Aiming at the problems of the background technology, the invention aims at a method, a system, equipment and a medium for preventing false detection of relay protection equipment of a transformer substation, and solves the problems that manual detection and comparison operation are commonly adopted for preventing false management of relay protection equipment of the transformer substation, and the mode has mechanical checking, time consuming and low accuracy.
The invention is realized by the following technical scheme:
a first aspect of the invention provides a method comprising
Step S1, acquiring a transformer substation pressure plate image, carrying out morphological correction and color correction on the transformer substation pressure plate image, and carrying out feature analysis on the corrected transformer substation pressure plate image based on pressure plate identification color classification to obtain a transformer substation pressure plate state;
s2, acquiring executed fixed value operation data, integrating the state of a transformer substation pressing plate and the executed fixed value operation data, and generating secondary equipment operation data;
and S3, analyzing the secondary equipment operation data to obtain a pressing plate operation sequence, and performing error locking prevention detection on the pressing plate operation sequence to generate a detection result.
In the technical scheme, in order to overcome the defect that the state of the transformer substation pressing plate or the state of the transformer substation pressing plate cannot be judged due to the shape distortion of the image structure and the color distortion of the image in the characteristic recognition process, the shape correction and the color correction are firstly carried out on the transformer substation pressing plate image, then the characteristic analysis is carried out on the corrected transformer substation pressing plate image, the accuracy of the characteristic recognition of the pressing plate is improved, and further the correct transformer substation pressing plate state is obtained to provide a correct basis for subsequent false detection prevention.
Considering that the operation modes of the relay protection equipment of the transformer substation have different sources, the operation modes can be divided into a software operation mode for protecting fixed value operation and a physical operation mode for switching on and off a hard pressing plate. Therefore, a data retrieval and image recognition mode is provided to ensure accurate acquisition of operation data of the relay protection equipment.
The real pressing plate state acquired by the inspection robot is compared with the executed constant value operation data to obtain a pressing plate operation sequence, the pressing plate operation sequence is stored with the operation of the pressing plate, the sequence of the operation and the data of which the pressing plate state and the operation record are inconsistent, and the false detection result can be obtained by carrying out false locking prevention detection on the data. Therefore, the problems that the checking machine is used for checking, the time consumption is high and the accuracy is low due to the fact that manual detection and comparison operation are generally adopted for anti-misoperation management of relay protection equipment of a transformer substation.
In an alternative embodiment, color correction of the substation platen image includes:
dividing the transformer substation pressure plate image into R, G, B three channels, and adjusting brightness information of the three channels to generate a first correction image;
performing feedback adjustment on a red channel in the first corrected image to generate a color feedback signal, and performing dark area signal suppression adjustment on the color feedback signal to generate a bright-dark feedback signal;
inputting the color feedback signal and the shading feedback signal into a differential model based on a Gaussian function, and generating a second correction image and a third correction image;
and fusing the second correction image and the third correction image to generate a color correction image.
In an alternative embodiment, fusing the second rectified image and the third rectified image comprises:
λ 1 +λ 2 ＝1
in the above formula, corPic (x, y) is the color value of the pixel point (x, y) in the color correction image, wvt { } is the wavelet fusion function, f c1 For a second rectified imageColor feedback signal g c1 As a color Gaussian function of the second rectified image, f l1 G is the shading feedback signal of the second corrected image l1 A light-dark Gaussian function f for the second corrected image c2 G is the color feedback signal of the third corrected image c2 A color Gaussian function, f, of the third rectified image l2 G is the shading feedback signal of the third correction image l2 Is a light-dark Gaussian function of the third correction image, k is color contrast, R is red signal value, G is green signal value, lambda 1 、λ 2 Is the weight.
In an alternative embodiment, performing feature analysis on the rectified substation platen image based on the platen identification color classification includes:
converting the corrected transformer substation pressing plate image into an HSV color space to obtain an HSV color space pressing plate image;
performing pixel-by-pixel identification on the HSV color space pressure plate image, and dividing the HSV color space pressure plate image according to the color signal value of the H channel to obtain a divided pressure plate image;
and extracting a communication region of the split pressing plate image, and carrying out morphological analysis on the communication region based on morphological characteristics of the transformer substation pressing plate to obtain the state of the transformer substation pressing plate.
In an alternative embodiment, segmenting the HSV color space platen image in accordance with the color signal values of the H-channels includes:
marking pixels with the color information values of the H channels between [ -30,30] as red pixels, and marking pixels with the color information values of the H channels between [30,90] as yellow pixels;
and dividing all red pixel points and all yellow pixel points from the HSV color space pressure plate image to form a divided pressure plate image.
In an alternative embodiment, extracting the connected region of the segmented platen image, and performing morphological analysis on the connected region based on morphological features of the substation platen, the obtaining the substation platen state includes:
marking red pixel points as 1, marking yellow pixel points as 2, scanning the split pressing plate image pixel by pixel, and dividing all the same pixel points into the same communication area if the marks of all the adjacent azimuth pixel points of the scanning pixel points are the same as the marks of the scanning pixel points;
determining four vertexes of a communication area, sequentially connecting the four vertexes to generate the length and the width of the area, calculating the area of the area according to the length and the width of the area, and excluding the communication area with the area smaller than the interference area threshold;
and performing inclination calculation on the removed communication area to obtain the inclination of the communication area, and determining the state of the transformer substation pressing plate by combining the marks of the communication area and the inclination of the communication area.
In an alternative embodiment, the false lockout detection of the sequence of platen operations includes:
μ 1 +μ 2 ＝1
in the above, ψ is the operation accuracy, pr is the operation command to the trip press plate, str i For the ith trip hold down condition, opr i For the executed fixed value operation data of the ith trip press plate, py is an operation command to the protection press plate, sty i Is the ith trip press plate state opy i For the executed fixed value operation data of the ith trip press plate, mu 1 、μ 2 Is the weight.
A second aspect of the invention provides a method comprising:
the transformer substation pressure plate state module is used for acquiring transformer substation pressure plate images, carrying out morphological correction and color correction on the transformer substation pressure plate images, and carrying out feature analysis on the corrected transformer substation pressure plate images based on pressure plate identification color classification to obtain transformer substation pressure plate states;
the secondary equipment operation data module is used for acquiring executed fixed value operation data, integrating the state of the transformer substation pressing plate and the executed fixed value operation data and generating secondary equipment operation data;
and the false detection prevention module is used for analyzing the operation data of the secondary equipment to obtain a pressing plate operation sequence, performing false locking prevention detection on the pressing plate operation sequence and generating a detection result.
The third aspect of the invention provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the false detection prevention method of the relay protection device of the transformer substation when executing the program.
A fourth aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, implements a method for false detection prevention of relay protection equipment of a substation.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. firstly, carrying out morphological correction and color correction on a transformer substation pressure plate image, and then carrying out feature analysis on the corrected transformer substation pressure plate image, thereby improving the accuracy of pressure plate feature identification;
2. the method of data retrieval and image recognition is provided to ensure accurate acquisition of operation data of relay protection equipment;
3. the problems that the checking machine is used for checking, the time consumption is high and the accuracy is low due to the fact that manual detection and comparison operation are generally adopted for anti-misoperation management of relay protection equipment of a transformer substation are solved.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art. In the drawings:
fig. 1 is a schematic flow chart of a method for preventing false detection of relay protection equipment of a transformer substation according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an anti-false detection system of relay protection equipment of a transformer substation according to embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to embodiment 3 of the present invention.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
Example 1
Fig. 1 is a schematic flow chart of a method for preventing false detection of relay protection equipment in a transformer substation, provided in embodiment 1 of the present invention, as shown in fig. 1, the method for preventing false detection of relay protection equipment in a transformer substation includes the following steps:
step S1, acquiring a transformer substation pressure plate image, carrying out morphological correction and color correction on the transformer substation pressure plate image, and carrying out feature analysis on the corrected transformer substation pressure plate image based on pressure plate identification color classification to obtain a transformer substation pressure plate state;
it should be noted that, the transformer substation pressure plate image is generally acquired by adopting the inspection robot, and the image acquired by the inspection robot is influenced by the lens to cause the distortion of the image structure morphology, and meanwhile, the image is influenced by the light source color in the image acquisition environment and the reflection of the mirror surface of the relay protection cabinet, so that the distortion of the image color is caused. And the structural shape distortion and the color distortion of the image can lead to the fact that the boundary characteristics of the pressing plate can not be identified when the characteristics of the pressing plate image of the transformer substation are analyzed later, so that the state of the pressing plate of the transformer substation can not be judged or the state of the pressing plate of the transformer substation is incorrect.
In order to overcome the defect that the state of the transformer substation pressing plate or the state of the transformer substation pressing plate cannot be judged due to the structural form distortion and the color distortion of the image in the characteristic recognition process, the method and the device of the invention firstly correct the form and the color of the transformer substation pressing plate image, then perform characteristic analysis on the corrected transformer substation pressing plate image, improve the accuracy of pressing plate characteristic recognition, and further acquire the correct transformer substation pressing plate state to provide a correct basis for subsequent false detection prevention.
In an alternative embodiment, color correction of the substation platen image includes:
dividing the transformer substation pressure plate image into R, G, B three channels, and adjusting brightness information of the three channels to generate a first correction image;
performing feedback adjustment on a red channel in the first corrected image to generate a color feedback signal, and performing dark area signal suppression adjustment on the color feedback signal to generate a bright-dark feedback signal;
inputting the color feedback signal and the shading feedback signal into a differential model based on a Gaussian function, and generating a second correction image and a third correction image;
and fusing the second correction image and the third correction image to generate a color correction image.
Based on photosensitivity of the inspection robot carrying camera, the obtained image can be divided into R, G, B three channels, and brightness of the three channels is adjusted to finish light perception of the image. The red channel in the image with the brightness adjusted is subjected to feedback adjustment, so that the brightest part in the red channel is subjected to selective adjustment, and color contrast adjustment is performed while color deviation caused by excessive correction of the image is avoided; and then, carrying out dark area signal suppression and adjustment on the color feedback signals, thereby completing adjustment of the contrast ratio of the color. The difference model of the Gaussian function is a double-channel model, and the difference model is adopted to process the color feedback signal and the brightness feedback signal, so that the contrast of the whole image can be improved. And then the second correction image and the third correction image obtained by the differential model processing are fused, and the generated color correction image can correctly restore the color of the transformer substation pressure plate image, so that the subsequent error based on pressure plate identification color classification is avoided due to color errors.
In this embodiment, the difference model of the gaussian function adopts a Difference of Gaussian model, and he can obtain the low-pass filtering result of the image by convolving the image with the gaussian function, so as to complete denoising of the image. Meanwhile, the color feedback signal and the brightness feedback signal can be subjected to feature detection, and a second correction image and a third correction image with enhanced colors are obtained.
In an alternative embodiment, fusing the second rectified image and the third rectified image comprises:
λ 1 +λ 2 ＝1
in the above formula, corPic (x, y) is the color value of the pixel point (x, y) in the color correction image, wvt { } is the wavelet fusion function, f c1 G is the color feedback signal of the second corrected image c1 As a color Gaussian function of the second rectified image, f l1 G is the shading feedback signal of the second corrected image l1 A light-dark Gaussian function f for the second corrected image c2 G is the color feedback signal of the third corrected image c2 A color Gaussian function, f, of the third rectified image l2 G is the shading feedback signal of the third correction image l2 Is a light-dark Gaussian function of the third correction image, k is color contrast, R is red signal value, G is green signal value, lambda 1 、λ 2 Is the weight.
It should be noted that, according to the rule, the trip pressing plate adopts a red mark and the protection pressing plate adopts a yellow mark, so that in the process of image fusion, two colors of red and yellow are mainly distinguished by a color contrast, and a yellow signal value can be calculated by a red signal value and a green signal value.
In an alternative embodiment, performing feature analysis on the rectified substation platen image based on the platen identification color classification includes:
converting the corrected transformer substation pressing plate image into an HSV color space to obtain an HSV color space pressing plate image;
performing pixel-by-pixel identification on the HSV color space pressure plate image, and dividing the HSV color space pressure plate image according to the color signal value of the H channel to obtain a divided pressure plate image;
and extracting a communication region of the split pressing plate image, and carrying out morphological analysis on the communication region based on morphological characteristics of the transformer substation pressing plate to obtain the state of the transformer substation pressing plate.
It should be noted that, since the information data of the three channels R, G, B needs to be analyzed respectively for determining the color by the RGB color space, the RGB color space is converted into the HSV color space in the present invention. Also, since the saturation, brightness, and contrast of the color have been corrected in the previous step, in the present invention, the division of the image can be completed by dividing only the color signal value of the H-channel.
In an alternative embodiment, segmenting the HSV color space platen image in accordance with the color signal values of the H-channels includes:
marking pixels with the color information values of the H channels between [ -30,30] as red pixels, and marking pixels with the color information values of the H channels between [30,90] as yellow pixels;
and dividing all red pixel points and all yellow pixel points from the HSV color space pressure plate image to form a divided pressure plate image.
In an alternative embodiment, extracting the connected region of the segmented platen image, and performing morphological analysis on the connected region based on morphological features of the substation platen, the obtaining the substation platen state includes:
marking red pixel points as 1, marking yellow pixel points as 2, scanning the split pressing plate image pixel by pixel, and dividing all the same pixel points into the same communication area if the marks of all the adjacent azimuth pixel points of the scanning pixel points are the same as the marks of the scanning pixel points;
determining four vertexes of a communication area, sequentially connecting the four vertexes to generate the length and the width of the area, calculating the area of the area according to the length and the width of the area, and excluding the communication area with the area smaller than the interference area threshold;
and performing inclination calculation on the removed communication area to obtain the inclination of the communication area, and determining the state of the transformer substation pressing plate by combining the marks of the communication area and the inclination of the communication area.
The transformer substation pressing plate state comprises a tripping pressing plate in an on state, a tripping pressing plate in an off state, a protection pressing plate in an on state and a protection pressing plate in an off state. The color scanning of the pixel points can determine whether the pressure plate is a trip pressure plate or a protection pressure plate. And then analyzing the communication area to determine the opening and closing state of the pressing plate.
In this embodiment, the exclusion area is smaller than the communication area of the interference area threshold, which may be set according to the actual situation of the substation, in order to exclude the interference area.
S2, acquiring executed fixed value operation data, integrating the state of a transformer substation pressing plate and the executed fixed value operation data, and generating secondary equipment operation data;
it should be noted that, considering that the operation modes of the relay protection equipment of the transformer substation have different sources, the operation modes can be divided into a software operation mode for protecting fixed value operation and a physical operation mode for switching on and off the hard pressing plate. Therefore, the invention provides a data retrieval and image recognition mode to ensure accurate acquisition of the operation data of the relay protection equipment.
Furthermore, as the relay protection equipment of the transformer substation is used as one-area production equipment and has the operation data safety management requirement, the invention also provides a transmission limiting circuit, and the unidirectional selectivity of data transmission of the executed fixed value operation is ensured.
And S3, analyzing the secondary equipment operation data to obtain a pressing plate operation sequence, and performing error locking prevention detection on the pressing plate operation sequence to generate a detection result.
The present step is to compare and analyze the real platen state acquired by the inspection robot with the executed constant operation data to obtain a platen operation sequence, and store the operation of the platen, the sequence of the operation, and the data of the platen state and the operation record which do not match in the platen operation sequence, so as to obtain an error detection result by performing error locking detection on the data.
In an alternative embodiment, the false lockout detection of the sequence of platen operations includes:
μ 1 +μ 2 ＝1
in the above, ψ is the operation accuracy, pr is the operation command to the trip press plate, str i For the ith trip hold down condition, opr i For the executed fixed value operation data of the ith trip press plate, py is an operation command to the protection press plate, sty i Is the ith trip press plate state opy i For the executed fixed value operation data of the ith trip press plate, mu 1 、μ 2 Is the weight.
Example 2
Fig. 2 is a schematic structural diagram of a system for preventing false detection of relay protection equipment in a transformer substation, provided in embodiment 2 of the present invention, where, as shown in fig. 2, the system for preventing false detection of relay protection equipment in a transformer substation includes:
the transformer substation pressure plate state module is used for acquiring transformer substation pressure plate images, carrying out morphological correction and color correction on the transformer substation pressure plate images, and carrying out feature analysis on the corrected transformer substation pressure plate images based on pressure plate identification color classification to obtain transformer substation pressure plate states;
the secondary equipment operation data module is used for acquiring executed fixed value operation data, integrating the state of the transformer substation pressing plate and the executed fixed value operation data and generating secondary equipment operation data;
and the false detection prevention module is used for analyzing the operation data of the secondary equipment to obtain a pressing plate operation sequence, performing false locking prevention detection on the pressing plate operation sequence and generating a detection result.
Example 3
Fig. 3 is a schematic structural diagram of an electronic device according to embodiment 3 of the present invention, and as shown in fig. 3, the electronic device includes a processor 21, a memory 22, an input device 23 and an output device 24; the number of processors 21 in the computer device may be one or more, one processor 21 being taken as an example in fig. 3; the processor 21, the memory 22, the input means 23 and the output means 24 in the electronic device may be connected by a bus or by other means, in fig. 3 by way of example.
The memory 22 serves as a computer-readable storage medium for storing software programs, computer-executable programs, and modules. The processor 21 executes various functional applications of the electronic device and data processing by running software programs, instructions and modules stored in the memory 22, that is, implements the false detection prevention method for the substation relay protection device of embodiment 1.
The memory 22 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for functions; the storage data area may store data created according to the use of the terminal, etc. In addition, the memory 22 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device. In some examples, memory 22 may further include memory remotely located relative to processor 21, which may be connected to the electronic device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 23 may be used to receive an id and a password entered by a user, etc. The output device 24 is used for outputting the distribution network page.
Example 4
Embodiment 4 of the present invention also provides a computer-readable storage medium, which when executed by a computer processor is configured to implement the method for false detection prevention of relay protection equipment of a transformer substation as provided in embodiment 1.
The storage medium containing the computer executable instructions provided by the embodiment of the invention is not limited to the method operations provided by the embodiment 1, and can also execute the related operations in the error detection method for the relay protection equipment of the transformer substation provided by any embodiment of the invention.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The false detection method for the relay protection equipment of the transformer substation is characterized by comprising the following steps of:
step S1, acquiring a transformer substation pressure plate image, carrying out morphological correction and color correction on the transformer substation pressure plate image, and carrying out feature analysis on the corrected transformer substation pressure plate image based on pressure plate identification color classification to obtain a transformer substation pressure plate state;
s2, acquiring executed fixed value operation data, integrating the state of a transformer substation pressing plate and the executed fixed value operation data, and generating secondary equipment operation data;
and S3, analyzing the secondary equipment operation data to obtain a pressing plate operation sequence, and performing error locking prevention detection on the pressing plate operation sequence to generate a detection result.
2. The method for false detection prevention of relay protection equipment of a transformer substation according to claim 1, wherein performing color correction on the transformer substation pressure plate image comprises:
dividing the transformer substation pressure plate image into R, G, B three channels, and adjusting brightness information of the three channels to generate a first correction image;
performing feedback adjustment on a red channel in the first corrected image to generate a color feedback signal, and performing dark area signal suppression adjustment on the color feedback signal to generate a bright-dark feedback signal;
inputting the color feedback signal and the shading feedback signal into a differential model based on a Gaussian function, and generating a second correction image and a third correction image;
and fusing the second correction image and the third correction image to generate a color correction image.
3. The method for false detection prevention of a relay protection device of a transformer substation according to claim 2, wherein fusing the second corrected image and the third corrected image comprises:
λ 1 +λ 2 ＝1
in the above formula, corPic (x, y) is the color value of the pixel point (x, y) in the color correction image, wvt { } is the wavelet fusion function, f c1 G is the color feedback signal of the second corrected image c1 As a color Gaussian function of the second rectified image, f l1 G is the shading feedback signal of the second corrected image l1 A light-dark Gaussian function f for the second corrected image c2 G is the color feedback signal of the third corrected image c2 A color Gaussian function, f, of the third rectified image l2 For the third corrected imageDark feedback signal g l2 Is a light-dark Gaussian function of the third correction image, k is color contrast, R is red signal value, G is green signal value, lambda 1 、λ 2 Is the weight.
4. The method for false detection prevention of transformer substation relay protection equipment according to claim 1, wherein performing feature analysis on the rectified transformer substation pressure plate image based on pressure plate identification color classification comprises:
converting the corrected transformer substation pressing plate image into an HSV color space to obtain an HSV color space pressing plate image;
performing pixel-by-pixel identification on the HSV color space pressure plate image, and dividing the HSV color space pressure plate image according to the color signal value of the H channel to obtain a divided pressure plate image;
and extracting a communication region of the split pressing plate image, and carrying out morphological analysis on the communication region based on morphological characteristics of the transformer substation pressing plate to obtain the state of the transformer substation pressing plate.
5. The method for false detection prevention of transformer substation relay protection equipment according to claim 4, wherein the segmenting the HSV color space platen image according to the color signal value of the H channel comprises:
marking pixels with the color information values of the H channels between [ -30,30] as red pixels, and marking pixels with the color information values of the H channels between [30,90] as yellow pixels;
and dividing all red pixel points and all yellow pixel points from the HSV color space pressure plate image to form a divided pressure plate image.
6. The method for false detection prevention of a relay protection device of a transformer substation according to claim 5, wherein extracting the connected region of the split platen image, performing morphological analysis on the connected region based on morphological features of the transformer substation platen, and obtaining a state of the transformer substation platen comprises:
marking red pixel points as 1, marking yellow pixel points as 2, scanning the split pressing plate image pixel by pixel, and dividing all the same pixel points into the same communication area if the marks of all the adjacent azimuth pixel points of the scanning pixel points are the same as the marks of the scanning pixel points;
determining four vertexes of a communication area, sequentially connecting the four vertexes to generate the length and the width of the area, calculating the area of the area according to the length and the width of the area, and excluding the communication area with the area smaller than the interference area threshold;
and performing inclination calculation on the removed communication area to obtain the inclination of the communication area, and determining the state of the transformer substation pressing plate by combining the marks of the communication area and the inclination of the communication area.
7. The method for false detection of relay protection equipment of a transformer substation according to claim 1, wherein performing false lock detection on the press plate operation sequence comprises:
μ 1 +μ 2 ＝1
in the above, ψ is the operation accuracy, pr is the operation command to the trip press plate, str i For the ith trip hold down condition, opr i For the executed fixed value operation data of the ith trip press plate, py is an operation command to the protection press plate, sty i Is the ith trip press plate state opy i For the executed fixed value operation data of the ith trip press plate, mu 1 、μ 2 Is the weight.
8. Anti-false detection system of relay protection equipment of transformer substation, its characterized in that includes:
the transformer substation pressure plate state module is used for acquiring transformer substation pressure plate images, carrying out morphological correction and color correction on the transformer substation pressure plate images, and carrying out feature analysis on the corrected transformer substation pressure plate images based on pressure plate identification color classification to obtain transformer substation pressure plate states;
the secondary equipment operation data module is used for acquiring executed fixed value operation data, integrating the state of the transformer substation pressing plate and the executed fixed value operation data and generating secondary equipment operation data;
and the false detection prevention module is used for analyzing the operation data of the secondary equipment to obtain a pressing plate operation sequence, performing false locking prevention detection on the pressing plate operation sequence and generating a detection result.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method for false detection prevention of relay protection devices of substations according to claims 1 to 7 when the program is executed.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method for false detection prevention of relay protection equipment of a transformer substation according to claims 1 to 7.
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