CN112684248B - High-risk electric energy metering device locking method based on data backflow - Google Patents
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Abstract
The invention provides a high-risk electric energy metering device locking method based on data backflow, which relates to the technical field of electricity utilization management and solves the problems that the current electricity larceny prevention method is integrated on a platform of a provincial level centralized metering automation system, cannot realize the personalized data analysis requirement and deal with the pressure of leading data into and out of the platform for recalculation continuously and cannot avoid the technical means of professional electricity larceny prevention, the platform pressure is reduced by utilizing the data backflow of the provincial level centralized metering automation system platform, the line loss rate change of a feeder line is combined with the operation characteristics of an electric energy metering device, the high-risk electric energy metering device is locked by adopting a method of searching the daily line loss change of the line and the matching degree of the daily load of each user gateway device connected in the line without field rectification, the electrified construction risk and the high cost of electricity larceny prevention monitoring are avoided, and the data are timely, the whole life cycle management of the electric energy metering device is perfected, and the guidance of electricity larceny prevention operation management is provided for a power supply department.
Description
Technical Field
The invention relates to the technical field of power utilization management, in particular to a high-risk electric energy metering device locking method based on data backflow.
Background
Until today, electricity has become an indispensable part of people's lives. However, in recent years, electricity stealing has been increasingly occurring and is becoming more and more intense. The behavior of stealing electricity, whether wanting to pay no or little electricity, brings great economic loss to the nation and the power supply department. The electricity stealing method has the characteristics of normally frequent concealment and the like, and the electricity stealing method comprises an under-voltage method, a shunt method, an electric energy meter programming method, a relay switching method and the like.
The electric energy metering device is a whole of metering appliances and auxiliary equipment (including an electric energy meter, a voltage transformer, a current transformer, a secondary circuit thereof and the like) which are necessary for metering electric energy, and is usually installed at a property boundary of an electric power facility. As an important basis for settlement between power supply enterprises and customers, the operation states of high-risk electric energy metering devices such as PT explosion, electricity stealing and the like are timely discovered, settlement disputes and equipment personal safety hazard risks are concerned, and good customer power consumption experience customer satisfaction and power supply reliability are influenced. The original means is that in addition to the field scheduled inspection work of the large sea fishing needle, three means of data analysis of system voltage loss and current loss, electric energy meter and negative control electric quantity comparison and synchronous line loss module abnormity analysis are effectively adopted, for example, 7-24.2020, China patent (publication No. CN111443238A) discloses an electricity larceny prevention method, whether the voltage of a user electric meter is reduced or not is detected based on the voltage information reported by the user electric meter in real time, electricity larceny prevention monitoring is carried out on a user on the basis of not increasing equipment, the cost is saved, the accuracy is high, the above methods are integrated on a platform of a provincial level centralized metering automation system, the personalized data analysis requirement and the platform pressure for continuously leading and leading out recalculated data cannot be realized, the technical means of a magic high professional electricity stealing black hands cannot be avoided, and various suspected behaviors cannot be easily solved without evidence, any high-risk electric energy metering device suspected of being stolen records less electric quantity at the charging gateway, and the difference of the electric quantity is reflected on the distribution network line loss data.
Disclosure of Invention
The invention provides a high-risk electric energy metering device locking method based on data backflow, which aims to solve the problems that the current electricity larceny prevention method is integrated on a platform of a provincial level centralized metering automation system, cannot realize personalized data analysis requirements and deal with the pressure of leading in and leading out data for recalculation, and cannot avoid the technical means of professional electricity larceny prevention, and locks the high-risk electric energy metering device by line loss, so that the whole life cycle management of the electric energy metering device is perfected, and the guidance of electricity larceny prevention operation management is provided for a power supply department.
In order to achieve the technical effects, the technical scheme of the invention is as follows:
a high-risk electric energy metering device locking method based on data backflow at least comprises the following steps:
s1, selecting a feeder T of a system to be calculated and type codes of all measurement point meters under line measurement points of the feeder T;
s2, taking the sum of the positive active electric quantities of the measuring point meters with the type codes of 1 as input, taking the sum of the positive active electric quantities of the measuring point meters with the type codes of 0 as output, and calculating the line loss rate of the feeder line T;
s3, judging whether the line loss rate of the feeder T meets the standard or not, if so, displaying a line loss rate abnormity mark as 0, otherwise, displaying a line loss rate abnormity mark as 1;
s4, counting 10kV daily fluctuation electric quantity and user daily electric quantity based on data backflow of a metering automation system platform, calculating the matching degree of daily load of a user gateway device, and generating an alarm detailed interface for users with the matching degree exceeding R;
s5, pushing data of the current date forward for thirty days to form a display list, and comprehensively displaying a mark of 'line loss rate abnormity' to confirm suspected electricity stealing users;
s6, the daily line loss list of the system line is compared with each user load list of the system line for power supply in a crossed mode, the daily line loss change of the system line is consistent with the matching degree fluctuation of the daily load of each user gateway device supplied by the system line, and suspected electricity stealing users matched with the alarm detail interface and the display list information time labels are locked to be high-risk metering devices.
In the technical scheme, the data backflow based on a provincial level centralized metering automation system platform reduces the platform pressure, the line loss rate change of a feeder line is combined with the operation characteristics of electric energy metering devices, because any high-risk electric energy metering device is embodied in a charging gateway to store less electric quantity, the difference of the electric quantity is embodied in distribution network line loss data, the total outlet of each line is arranged in a transformer substation in a power supply enterprise, the problem is found out in time by the high-risk electric energy metering device, the method for finding the matching degree of the daily line loss change of the line where the high-risk device is located and the daily load of each user gateway device connected in the line is adopted to lock the high-risk electric energy metering device without field rectification, 10kV avoids electricity larceny prevention and monitors the construction risk and the high cost, and the data is timely, the full life cycle management of the electric energy metering device is perfected, and the guidance of electricity larceny prevention operation management is provided for a power supply department.
Preferably, the calculation formula of the line loss rate of the feeder line T in step S2 is as follows:
(power supply amount-electricity sales amount)/power supply amount × 100%
And if the metering point hung under the feeder line T is a new energy metering point, accumulating the reverse active total electric quantity of the main meter metering point under the metering point into the power supply input of the feeder line T.
Preferably, the standard in step S3 is that the line loss rate is in the range of-2% to 5%.
Preferably, when the operator queries the data after step S3, only the data with the "line loss rate abnormal" flag being 1 is displayed, which is concise and clear.
Preferably, the calculation expression of the matching degree of the daily load of the user gateway device in step S4 is:
the matching degree is (10kV daily fluctuation electric quantity-user daily electric quantity)/10 kV daily fluctuation electric quantity.
Here, "10 kV daily fluctuation electric quantity" and "user daily electric quantity" in the numerator and denominator take absolute values, and as a result, do not take absolute values.
Preferably, the users with the matching degree exceeding 60% are suspected electricity stealing users, and an alarm is generated and an alarm detail interface is generated.
Preferably, the current date data stated in step S5 defaults to yesterday data displayed by the metering automation system platform, and the presentation list includes: the system comprises the affiliated branch office, the affiliated line, the affiliated substation, the name of a house, the number of a house, the date, the daily electric quantity, the fluctuation electric quantity, the line loss value, the line daily line loss rate deviation, the user deviation and the matching degree. The list content is detailed and comprehensive, the requirement on the field experience degree of workers is low, general work experience can quickly enter a data analysis state after being trained, and the automatic network distribution is not needed to cooperate with the measurement operation and maintenance old technicians to perform multiple times of data analysis field positioning.
Preferably, the presentation list is sorted in reverse order of degree of match.
Preferably, the calculation formula of the line daily loss rate deviation is as follows:
line daily loss rate deviation is yesterday line loss rate-previous day line loss rate
Preferably, when the operator inquires the data after step S5, only the suspected electricity stealing users with the "line loss rate abnormal" flag of 1 are displayed.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the invention provides a high-risk electric energy metering device locking method based on data backflow, which utilizes the data backflow of a provincial level centralized metering automation system platform to reduce the pressure of the platform, combines the line loss rate change of a feeder line with the operating characteristics of an electric energy metering device, adopts a method for searching the matching degree of the daily line loss change of the line and the daily load of each user gateway device connected in the line, locks the high-risk electric energy metering device, does not need on-site rectification, avoids electricity stealing prevention, monitors the electrified construction risk and the high cost, has timely data, perfects the full life cycle management of the electric energy metering device, and provides guidance for electricity stealing prevention operation management for a power supply department.
Drawings
Fig. 1 is a schematic flow chart of a locking method of a high-risk electric energy metering device based on data backflow in an embodiment of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for better illustration of the present embodiment, certain parts of the drawings may be omitted, enlarged or reduced, and do not represent actual dimensions;
it will be understood by those skilled in the art that certain well-known descriptions of the figures may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
Fig. 1 is a schematic flow chart of a locking method of a high-risk electric energy metering device based on data reflux, the method is based on data reflux of a provincial level centralized metering automation system platform, reduces platform pressure, combines line loss rate change of feeder lines with operation characteristics of the electric energy metering device, because any high-risk electric energy metering device is embodied in a charging gateway to store less electric quantity, electric quantity difference is embodied in distribution network line loss data, a total outlet of each line is arranged in a transformer substation in a power supply enterprise, the problem timely discovery of the high-risk electric energy metering device is mainly characterized in that abnormal fluctuation of distribution network line loss is perceived, because all electric energy metering devices on an impossible line steal electricity and fluctuate simultaneously, the high-risk electric energy metering device is locked by a method of searching matching degree of daily line loss change of the line and daily load of each user gateway device connected in the line, the method does not need on-site modification, avoids electricity larceny prevention monitoring electrified construction risk and high cost, has timely data, perfects the full life cycle management of the electric energy metering device, provides guidance for electricity larceny prevention operation management for a power supply department, and concretely comprises the following steps:
s1, selecting a feeder T of a system to be calculated and type codes of all measurement point meters under line measurement points of the feeder T;
s2, taking the sum of the positive active electric quantities of the measuring point meters with the type codes of 1 as input, taking the sum of the positive active electric quantities of the measuring point meters with the type codes of 0 as output, and calculating the line loss rate of the feeder line T;
the calculation formula of the line loss rate of the feeder line T is as follows:
(power supply amount-electricity sales amount)/power supply amount × 100%
The method comprises the following steps of inputting the sum of forward active electric quantities of a measuring point meter with a type code of 1 as a power supply quantity, outputting the sum of forward active electric quantities marked by a measuring point with a type code of 0 as a power selling quantity, and accumulating the reverse active total electric quantities of a main meter measuring point under the measuring point into the power supply quantity input of a feeder line T if the measuring point hung under the feeder line T is a new energy measuring point, wherein the method for judging the new energy measuring point comprises the following steps: YHNYLX of the metering point hung under the feeder T is not empty and is not equal to the grid metering point (0100).
S3, judging whether the line loss rate of the feeder T meets the standard or not, if so, displaying a line loss rate abnormity mark as 0, otherwise, displaying a line loss rate abnormity mark as 1;
when the operator inquires the data after the step S3, only the data with the line loss rate abnormity mark of 1 is displayed, so that the operation is simple and clear;
s4, counting 10kV daily fluctuation electric quantity and user daily electric quantity based on data backflow of a metering automation system platform, calculating the matching degree of daily load of a user gateway device, and generating an alarm detailed interface for users with the matching degree exceeding R;
s5, pushing data of the current date forward for thirty days to form a display list, and comprehensively displaying a mark of 'line loss rate abnormity' to confirm suspected electricity stealing users; the users with the matching degree exceeding 60 percent are suspected electricity stealing users, and an alarm is generated and an alarm detail interface is generated;
when the operator inquires the data after the step S5, only the suspected electricity stealing users with the line loss rate abnormity mark of 1 are displayed;
s6, the daily line loss list of the system line is compared with each user load list of the system line for power supply in a crossed mode, the daily line loss change of the system line is consistent with the matching degree fluctuation of the daily load of each user gateway device supplied by the system line, and suspected electricity stealing users matched with the alarm detail interface and the display list information time labels are locked to be high-risk metering devices.
In this embodiment, the standard in step S3 is that the line loss rate is in the range of-2% to 5%.
In this embodiment, the calculation expression of the matching degree of the daily load of the user gateway device in step S4 is:
the matching degree is (10kV daily fluctuation electric quantity-user daily electric quantity)/10 kV daily fluctuation electric quantity, and in actual calculation, "10 kV daily fluctuation electric quantity" and "user daily electric quantity" in the numerator and denominator take absolute values, and the result does not take absolute values.
In this embodiment, the current date data described in step S5 defaults to yesterday data displayed by the metering automation system platform, and the presentation list includes: the system comprises the affiliated branch office, the affiliated line, the affiliated substation, the name of a house, the number of a house, the date, the daily electric quantity, the fluctuation electric quantity, the line loss value, the line daily line loss rate deviation, the user deviation and the matching degree. The list is detailed and comprehensive in content, the requirement on the field experience degree of workers is low, general work experience can quickly enter a data analysis state after being trained, multiple rounds of data analysis field positioning of old technicians in network automation cooperative metering operation and maintenance is not needed, the display list is sorted in a reverse order of matching degree, and suspected electricity stealing users can be directly confirmed conveniently.
The calculation formula of the line daily loss rate deviation is as follows:
line daily loss rate deviation is yesterday line loss rate-previous day line loss rate
The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A high-risk electric energy metering device locking method based on data backflow is characterized by at least comprising the following steps:
s1, selecting a feeder T of a system to be calculated and type codes of all measurement point meters under line measurement points of the feeder T;
s2, taking the sum of the positive active electric quantities of the measuring point meters with the type codes of 1 as input, taking the sum of the positive active electric quantities of the measuring point meters with the type codes of 0 as output, and calculating the line loss rate of the feeder line T;
s3, judging whether the line loss rate of the feeder T meets the standard or not, if so, displaying a line loss rate abnormity mark as 0, otherwise, displaying a line loss rate abnormity mark as 1;
s4, counting 10kV daily fluctuation electric quantity and user daily electric quantity based on data backflow of a metering automation system platform, calculating the matching degree of daily load of a user gateway device, and generating an alarm detailed interface for users with the matching degree exceeding a threshold value R;
the calculation expression of the matching degree of the daily load of the user gateway device in step S4 is:
the matching degree is (10kV daily fluctuation electric quantity-user daily electric quantity)/10 kV daily fluctuation electric quantity;
s5, pushing data of the current date forward for thirty days to form a display list, and comprehensively displaying a mark of 'line loss rate abnormity' to confirm suspected electricity stealing users;
s6, the daily line loss list of the system line is compared with each user load list of the system line for power supply in a crossed mode, the daily line loss change of the system line is consistent with the matching degree fluctuation of the daily load of each user gateway device supplied by the system line, and suspected electricity stealing users matched with the alarm detail interface and the display list information time labels are locked to be high-risk metering devices.
2. The high-risk electric energy metering device locking method based on data backflow according to claim 1, wherein the calculation formula of the line loss rate of the feeder line T in the step S2 is as follows:
(power supply amount-electricity sales amount)/power supply amount × 100%
And if the metering point hung under the feeder line T is a new energy metering point, accumulating the reverse active total electric quantity of the main meter metering point under the metering point into the power supply input of the feeder line T.
3. The high-risk electric energy metering device locking method based on data backflow as claimed in claim 2, wherein the standard of step S3 is that the line loss rate is in a range of-2% to 5%.
4. The high-risk electric energy metering device locking method based on data backflow according to claim 3, wherein after the step S3, when an operator queries data, only data with a "line loss rate abnormity" flag being 1 is displayed.
5. The high-risk electric energy metering device locking method based on data backflow is characterized in that users with the matching degree exceeding 60% are suspected electricity stealing users, an alarm is generated, and an alarm detail interface is generated.
6. The high-risk electric energy metering device locking method based on data backflow according to claim 5, wherein the current date data in step S5 defaults to yesterday data displayed by a metering automation system platform, and the display list comprises: the system comprises the affiliated branch office, the affiliated line, the affiliated substation, the name of a house, the number of a house, the date, the daily electric quantity, the fluctuation electric quantity, the line loss value, the line daily line loss rate deviation, the user deviation and the matching degree.
7. The high-risk electric energy metering device locking method based on data backflow is characterized in that the display lists are sorted in the reverse matching degree order.
8. The high-risk electric energy metering device locking method based on data backflow as claimed in claim 7, wherein a calculation formula of line daily loss rate deviation is as follows:
line daily loss rate deviation = yesterday line loss rate-previous day line loss rate.
9. The high-risk electric energy metering device locking method based on data backflow according to claim 8, wherein after the step S5, when an operator queries data, only suspected electricity stealing users with the "line loss rate abnormity" flag being 1 are displayed.
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