CN112561734B - Transformer area line loss analysis system and analysis method thereof - Google Patents
Transformer area line loss analysis system and analysis method thereof Download PDFInfo
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Abstract
The invention discloses a station area line loss analysis system, which comprises a station area daily line loss calculation module, a station area daily line loss calculation module and a station area daily line loss calculation module, wherein the station area daily line loss calculation module is used for calculating the daily line loss of a station area; the platform area month line loss generation module is used for generating a platform area month line loss curve according to the calculation result of the platform area solar line loss calculation module; the platform area moon line loss curve analysis module is used for analyzing the platform area moon line loss curve to obtain platform area moon line loss curve correction information and platform area equipment abnormality information. The invention can improve the defects of the prior art and improve the timeliness and the accuracy of line loss data analysis.
Description
Technical Field
The invention relates to the technical field of hydropower, in particular to a system and a method for analyzing line loss of a transformer area.
Background
The line loss refers to energy loss generated by electric energy transmitted by a power transmission line, and is an important economic and technical index for power grid operation. Through reasonable analysis of line loss, accurate data support can be provided for fine management and energy saving and loss reduction work of the power grid.
Disclosure of Invention
The invention aims to solve the technical problem of providing a system and a method for analyzing the line loss of a transformer area, which can solve the defects of the prior art and improve the timeliness and the accuracy of line loss data analysis.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A system for analyzing line loss of a station area comprises,
The station area solar line loss calculation module is used for calculating the solar line loss of the station area;
the platform area month line loss generation module is used for generating a platform area month line loss curve according to the calculation result of the platform area solar line loss calculation module;
the platform area moon line loss curve analysis module is used for analyzing the platform area moon line loss curve to obtain platform area moon line loss curve correction information and platform area equipment abnormality information.
The analysis method of the district line loss analysis system comprises the following steps:
A. the solar line loss calculation module of the station calculates the solar line loss of the station according to the power transmission quantity and the power selling quantity of the station;
B. the district month line loss generating module generates a district month line loss curve according to the calculation result of the district day line loss calculating module;
C. the analysis module of the moon line loss curve of the transformer area analyzes the moon line loss curve of the transformer area to obtain abnormal information of the transformer area equipment, and corrects the moon line loss curve of the transformer area.
Preferably, in the step C, the step of acquiring the abnormality information of the station apparatus includes,
C11, traversing all the solar cell line loss data points of the cell area on the moon line loss curve of the cell area according to the time sequence;
C12, when the daily line loss data point of the area exceeds a set threshold value, calling the equipment operation data in the daily area, and comparing the equipment operation data with the abnormal information characteristics stored in the database to obtain the abnormal information of the equipment of the area;
and C13, when the daily line loss data point of the area continuously rises for 3 days or the rising proportion of the daily line loss data point of the area exceeds a set threshold value, calling the equipment operation data in the area in the relevant date, firstly extracting a public characteristic data set from the equipment operation data, and then comparing the public characteristic data set with the abnormal information characteristics stored in the database to obtain the abnormal information of the equipment of the area.
Preferably, in the step C, the set threshold is determined according to the grid operation index and the historical data.
Preferably, in the step C, the calculating step of correcting the moon line loss curve of the station area includes,
C21, segmenting a moon line loss curve of the platform area into an interval which only comprises normal solar line loss data points of the platform area equipment, an interval which only comprises abnormal solar line loss data points of the platform area equipment and a transition interval outside the two intervals;
C22, smoothing the moon line loss curve of the station area for the interval only comprising the normal sun line loss data points of the station area equipment;
C23, for the interval of the daily line loss data points only comprising the abnormal state of the platform area equipment, according to the abnormal state information of the platform area equipment on different dates, giving a regression model between two adjacent daily line loss data points, and then carrying out segment-by-segment correction processing on the monthly line loss curve of the platform area;
And C24, setting a curve correction offset rate for the transition zone according to the correlation degree between the abnormal information of the platform equipment and the normal solar line loss data points of the platform equipment, and linearly correcting the platform moon line loss curve by using the curve correction offset rate.
Preferably, in step C21, both ends of the transition section partially overlap with the adjacent sections.
The beneficial effects brought by adopting the technical scheme are as follows: according to the method, through the comparative analysis of the abnormal state of the equipment, corresponding correction modes are obtained for different curve segments, so that the accuracy of the whole month line loss curve is improved, and effective data support is provided for subsequent scientific decisions.
Drawings
Fig. 1 is a schematic diagram of one embodiment of the present invention.
Detailed Description
Referring to fig. 1, a system for analyzing a line loss of a transformer area includes,
The station area solar line loss calculation module 1 is used for calculating the solar line loss of the station area;
the station area month line loss generation module 2 is used for generating a station area month line loss curve according to the calculation result of the station area day line loss calculation module 1;
and the platform area moon line loss curve analysis module 3 is used for analyzing the platform area moon line loss curve to obtain platform area moon line loss curve correction information and platform area equipment abnormality information.
The analysis method of the district line loss analysis system comprises the following steps:
A. The solar line loss calculation module 1 calculates the solar line loss of the station area according to the power transmission quantity and the sales quantity of the station area;
B. the district month line loss generating module 2 generates a district month line loss curve according to the calculation result of the district day line loss calculating module 1;
C. the station area moon line loss curve analysis module 3 analyzes the station area moon line loss curve to obtain abnormal information of station area equipment, and corrects the station area moon line loss curve.
In the step C, the step of acquiring the abnormal information of the zone equipment includes,
C11, traversing all the solar cell line loss data points of the cell area on the moon line loss curve of the cell area according to the time sequence;
C12, when the daily line loss data point of the area exceeds a set threshold value, calling the equipment operation data in the daily area, and comparing the equipment operation data with the abnormal information characteristics stored in the database to obtain the abnormal information of the equipment of the area;
and C13, when the daily line loss data point of the area continuously rises for 3 days or the rising proportion of the daily line loss data point of the area exceeds a set threshold value, calling the equipment operation data in the area in the relevant date, firstly extracting a public characteristic data set from the equipment operation data, and then comparing the public characteristic data set with the abnormal information characteristics stored in the database to obtain the abnormal information of the equipment of the area.
In the step C, a set threshold is determined according to the power grid operation index and historical data.
In the step C, the calculation step of correcting the moon line loss curve of the platform area comprises the following steps of,
C21, segmenting a moon line loss curve of the platform area into an interval which only comprises normal solar line loss data points of the platform area equipment, an interval which only comprises abnormal solar line loss data points of the platform area equipment and a transition interval outside the two intervals;
C22, smoothing the moon line loss curve of the station area for the interval only comprising the normal sun line loss data points of the station area equipment;
C23, for the interval of the daily line loss data points only comprising the abnormal state of the platform area equipment, according to the abnormal state information of the platform area equipment on different dates, giving a regression model between two adjacent daily line loss data points, and then carrying out segment-by-segment correction processing on the monthly line loss curve of the platform area;
And C24, setting a curve correction offset rate for the transition zone according to the correlation degree between the abnormal information of the platform equipment and the normal solar line loss data points of the platform equipment, and linearly correcting the platform moon line loss curve by using the curve correction offset rate.
In step C21, both ends of the transition section partially overlap with the adjacent sections.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. An analysis method of a station line loss analysis system, the station line loss analysis system comprises,
The station area solar line loss calculation module (1) is used for calculating the solar line loss of the station area;
The platform area month line loss generating module (2) is used for generating a platform area month line loss curve according to the calculation result of the platform area solar line loss calculating module (1);
The platform area moon line loss curve analysis module (3) is used for analyzing the platform area moon line loss curve to obtain platform area moon line loss curve correction information and platform area equipment abnormality information;
the method is characterized by comprising the following steps of:
A. The daily line loss calculation module (1) calculates the daily line loss of the station area according to the power transmission quantity and the sales quantity of the station area;
B. the district month line loss generating module (2) generates a district month line loss curve according to the calculation result of the district day line loss calculating module (1);
C. the analysis module (3) of the moon line loss curve of the transformer area analyzes the moon line loss curve of the transformer area to obtain abnormal information of the transformer area equipment, and corrects the moon line loss curve of the transformer area;
The step of acquiring the abnormal information of the station area equipment includes,
C11, traversing all the solar cell line loss data points of the cell area on the moon line loss curve of the cell area according to the time sequence;
C12, when the daily line loss data point of the area exceeds a set threshold value, calling the equipment operation data in the daily area, and comparing the equipment operation data with the abnormal information characteristics stored in the database to obtain the abnormal information of the equipment of the area;
c13, when the daily line loss data point of the area continuously rises for 3 days or the rising proportion of the daily line loss data point of the area exceeds a set threshold value, calling the equipment operation data in the area in the relevant date, firstly extracting a public characteristic data set from the equipment operation data, and then comparing the public characteristic data set with the abnormal information characteristics stored in the database to obtain the abnormal information of the equipment of the area;
the calculating step of correcting the moon line loss curve of the platform area comprises the following steps of,
C21, segmenting a moon line loss curve of the platform area into an interval which only comprises normal solar line loss data points of the platform area equipment, an interval which only comprises abnormal solar line loss data points of the platform area equipment and a transition interval outside the two intervals;
C22, smoothing the moon line loss curve of the station area for the interval only comprising the normal sun line loss data points of the station area equipment;
C23, for the interval of the daily line loss data points only comprising the abnormal state of the platform area equipment, according to the abnormal state information of the platform area equipment on different dates, giving a regression model between two adjacent daily line loss data points, and then carrying out segment-by-segment correction processing on the monthly line loss curve of the platform area;
And C24, setting a curve correction offset rate for the transition zone according to the correlation degree between the abnormal information of the platform equipment and the normal solar line loss data points of the platform equipment, and linearly correcting the platform moon line loss curve by using the curve correction offset rate.
2. The analysis method of the district line loss analysis system according to claim 1, wherein: in the step C, a set threshold is determined according to the power grid operation index and historical data.
3. The analysis method of the district line loss analysis system according to claim 1, wherein: in step C21, both ends of the transition section partially overlap with the adjacent sections.
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