CN110794206A - Method and device for diagnosing sudden change of user electric energy indication value of electricity information acquisition system - Google Patents
Method and device for diagnosing sudden change of user electric energy indication value of electricity information acquisition system Download PDFInfo
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- CN110794206A CN110794206A CN201911076238.1A CN201911076238A CN110794206A CN 110794206 A CN110794206 A CN 110794206A CN 201911076238 A CN201911076238 A CN 201911076238A CN 110794206 A CN110794206 A CN 110794206A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/48—Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy
- G01R11/50—Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy for measuring real component
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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Abstract
The invention provides a method and a device for diagnosing the sudden change of the indicating value of the user electric energy of an electricity information acquisition system. In addition, the embodiment of the invention refines the measurement abnormity and the acquisition equipment abnormity, and transfers different abnormity to measurement personnel or acquisition personnel for field processing according to the refinement result, thereby greatly improving the working efficiency of the working personnel and avoiding ineffective work.
Description
Technical Field
The invention relates to the technical field of power consumption information acquisition, in particular to a method and a device for diagnosing sudden change of a user electric energy indicating value of a power consumption information acquisition system.
Background
Since 2010, the national grid company comprehensively promotes the construction of an electricity information acquisition system for power users, and by 2018, the acquisition coverage rate of the users is up to more than 98%, and a good electric energy calculation operation mode is beneficial to the steady development of the electric power industry in China, the electric power metering efficiency in China is improved, the electric energy measuring efficiency in China is improved, and the normal benefits of the electric power industry are maintained. The electricity consumption information acquisition system plays a remarkable economic benefit in the aspects of reducing loss, increasing income, improving labor efficiency, saving management and labor cost.
In order to further play an important supporting role of an acquisition system in various electric power services, a large number of acquisition devices and intelligent electric meters are installed on the site, and data abnormity can be caused by device abnormity and communication error codes inevitably. With the development of marketing business, the requirements on the accuracy of data are higher and higher, such as real-time cost control, line loss of distribution areas and the like, so that a method is needed to discriminate data collected every day, refine abnormity of collection equipment and abnormity of metering, help electric power workers to remove electric energy metering and calculating faults more quickly, and ensure stable operation of a power consumption information collection system.
Disclosure of Invention
The invention aims to provide a method and a device for diagnosing the sudden change of the electric energy indicating value of a user of an electricity utilization information acquisition system, which aim to solve the problem that data abnormity is not found timely in the prior art, ensure the timeliness and the use accuracy of electric energy, avoid the user expense calculation error caused by sudden change data and ensure the rights and interests of electricity utilization users.
In order to achieve the technical purpose, the invention provides a method for diagnosing the sudden change of the electric energy indicating value of a user of an electricity information acquisition system, which comprises the following steps:
s1, acquiring a daily frozen positive active total electric energy indicating value of a user electric meter from a terminal through an electric information acquisition system;
s2, loading a judgment rule for judging whether the indication value of the daily frozen positive active total electric energy of the electric meter changes suddenly into the power utilization information acquisition system;
s3, if the daily frozen positive active total electric energy indication value of the electric meter is abnormal mutation data, remotely and thoroughly reading the indication value through the electric information acquisition system;
and S4, comparing the daily frozen positive active total electric energy indicating value of the user electric meter collected through the terminal with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, marking the user electric meter as abnormal metering if the daily frozen positive active total electric energy indicating value of the user electric meter is consistent with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, and otherwise marking the user electric meter as abnormal acquisition equipment.
Preferably, the specific content of the determination rule is as follows:
judging that the ratio of the daily frozen positive active total electric energy indication value of the user electric meter to the daily theoretical maximum electric quantity of the user electric meter is greater than a threshold value K;
the daily theoretical maximum electric quantity calculation method comprises the following steps:
single-phase table Un × Imax 24 h/1000;
three-phase table 1.732 Un Imax 24h/1000
Un is rated line voltage, and Imax is the maximum current of the electric energy meter.
Preferably, the threshold K is 120%.
Preferably, when the frozen forward active total electric energy indication value of the user electric meter day on the current day is missing, the frozen forward active total electric energy indication value of the same user electric meter day on the last time in N + N days is compared, and the calculated electric quantity of the electric meter needs to be divided by the difference days N, where N is 7, and N represents the number of power failure days in N days.
The invention also provides a device for diagnosing the sudden change of the electric energy indicating value of the user of the electricity consumption information acquisition system, which comprises:
the electric energy indicating value acquisition module is used for acquiring a daily frozen positive active total electric energy indicating value of a user electric meter from the terminal through the power utilization information acquisition system;
the sudden change judgment rule loading module is used for loading a judgment rule for judging whether the indication value of the daily frozen positive active total electric energy of the electric meter has sudden change into the power utilization information acquisition system;
the remote reading module is used for remotely reading the indication value of the forward active total electric energy through the power utilization information acquisition system if the daily frozen indication value of the electric meter is abnormal sudden change data;
and the abnormity diagnosis module is used for comparing the daily frozen positive active total electric energy indicating value of the user electric meter acquired through the terminal with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, marking the user electric meter as abnormal metering if the daily frozen positive active total electric energy indicating value of the user electric meter is consistent with the daily frozen positive active total electric energy indicating value of the user electric meter, and otherwise marking the user electric meter as abnormal acquisition equipment.
Preferably, the specific content of the determination rule is as follows:
judging that the ratio of the daily frozen positive active total electric energy indication value of the user electric meter to the daily theoretical maximum electric quantity of the user electric meter is greater than a threshold value K;
the daily theoretical maximum electric quantity calculation method comprises the following steps:
single-phase table Un × Imax 24 h/1000;
three-phase table 1.732 Un Imax 24h/1000
Un is rated line voltage, and Imax is the maximum current of the electric energy meter.
Preferably, the threshold K is 120%.
Preferably, when the frozen forward active total electric energy indication value of the user electric meter day on the current day is missing, the frozen forward active total electric energy indication value of the same user electric meter day on the last time in N + N days is compared, and the calculated electric quantity of the electric meter needs to be divided by the difference days N, where N is 7, and N represents the number of power failure days in N days.
The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:
compared with the prior art, the method for diagnosing the sudden change abnormality of the indicating value of the user electric energy of the electric energy information acquisition system discriminates the sudden change of the data acquired every day, ensures the timeliness and the use accuracy of the electric energy, avoids the user expense calculation error caused by the sudden change data, and ensures the rights and interests of the electric users. In addition, the embodiment of the invention refines the measurement abnormity and the acquisition equipment abnormity, and transfers different abnormity to measurement personnel or acquisition personnel for field processing according to the refinement result, thereby greatly improving the working efficiency of the working personnel and avoiding ineffective work.
Drawings
Fig. 1 is a flowchart of a method for diagnosing sudden user power indication value change in a power consumption information acquisition system according to an embodiment of the present invention;
FIG. 2 is a logic diagram of a user power indication mutation diagnosis method provided in an embodiment of the present invention;
fig. 3 is a block diagram of a structure of a device for diagnosing sudden user power indication value change in a power consumption information acquisition system according to an embodiment of the present invention.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.
The following describes a method and an apparatus for diagnosing sudden change of user power indication value in a power consumption information acquisition system according to an embodiment of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the embodiment of the invention discloses a method for diagnosing sudden change of user electric energy indicating value of an electricity information acquisition system, which comprises the following steps:
s1, acquiring a daily frozen positive active total electric energy indicating value of a user electric meter from a terminal through an electric information acquisition system;
s2, loading a judgment rule for judging whether the indication value of the daily frozen positive active total electric energy of the electric meter changes suddenly into the power utilization information acquisition system;
s3, if the daily frozen positive active total electric energy indication value of the electric meter is abnormal mutation data, remotely and thoroughly reading the indication value through the electric information acquisition system;
and S4, comparing the daily frozen positive active total electric energy indicating value of the user electric meter collected through the terminal with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, marking the user electric meter as abnormal metering if the daily frozen positive active total electric energy indicating value of the user electric meter is consistent with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, and otherwise marking the user electric meter as abnormal acquisition equipment.
The method comprises the steps of acquiring a daily freezing positive active total electric energy indicating value of a user intelligent electric meter from a terminal through an electricity information acquisition system, and loading a judgment rule for judging whether the daily freezing positive active total electric energy indicating value of the intelligent electric meter abnormally changes into the acquisition system, wherein the specific content of the judgment rule is as follows:
judging that the ratio of the daily frozen positive active total electric energy indication value of the intelligent electric meter to the daily theoretical maximum electric quantity of the intelligent electric meter is greater than a threshold value K, and determining the ratio to be abnormal mutation data;
the daily theoretical maximum electric quantity calculation method comprises the following steps:
single-phase table Un × Imax 24 h/1000;
three-phase table 1.732 Un Imax 24h/1000
Un is rated line voltage, and Imax is the maximum current of the electric energy meter.
K is the range threshold value of the electric energy meter, and K is 120%.
If the total forward active electric energy indication value is lost due to daily freezing of the smart meter on the previous day, the total forward active electric energy indication value is compared with the total forward active electric energy indication value of the same smart meter which is frozen on the last day within N + N days, the calculated electric energy of the smart meter needs to be divided by the difference days N, wherein N is 7, and N represents the power failure days within N days.
And judging whether the daily frozen positive active total electric energy indication value of the user intelligent electric meter meets the judgment rule or not, if so, diagnosing that the daily frozen positive active total electric energy indication value of the user intelligent electric meter is abnormal mutation data, and if not, judging that the daily frozen positive active total electric energy indication value of the user intelligent electric meter is normal data.
The user intelligent electric meter freezes the forward active total electric energy indicating value daily through the electricity information acquisition system.
The method comprises the steps that a user intelligent electric meter daily freezing positive active total electric energy indicating value acquired through a terminal is compared with a user intelligent electric meter daily freezing positive active total electric energy indicating value thoroughly copied from an intelligent electric meter, if the user intelligent electric meter daily freezing positive active total electric energy indicating value is consistent with the user intelligent electric meter daily freezing positive active total electric energy indicating value, the user intelligent electric meter is marked as metering abnormity, metering personnel are given to judge and process, if the user intelligent electric meter daily freezing positive active total electric energy indicating value is inconsistent with the user intelligent electric meter daily freezing positive active total electric energy indicating.
The traditional data discrimination method is to carry out data recheck when a user calculates fee to check or power utilization check is carried out, the check period is month, abnormal data is not found timely, the power utilization information acquisition system user power indication mutation abnormity diagnosis method provided by the embodiment of the invention carries out mutation discrimination on data acquired every day, the timeliness and the use accuracy of power are ensured, the error of user calculation fee caused by mutation data is avoided, and the rights and interests of power utilization users are guaranteed. In addition, the traditional data auditing method is to audit from a data level and classify the data into abnormal metering equipment in a unified way, but the method for diagnosing the abnormal user electric energy indication mutation of the power consumption information acquisition system in the embodiment of the invention refines the abnormal metering and acquisition equipment, and transfers different abnormalities to metering personnel or acquisition personnel for field processing according to the refinement result, thereby greatly improving the working efficiency of the working personnel and avoiding invalid work.
As shown in fig. 3, an embodiment of the present invention further discloses a device for diagnosing sudden change of the user electric energy indication value of the power consumption information acquisition system, where the device includes:
the electric energy indicating value acquisition module is used for acquiring a daily frozen positive active total electric energy indicating value of a user electric meter from the terminal through the power utilization information acquisition system;
the sudden change judgment rule loading module is used for loading a judgment rule for judging whether the indication value of the daily frozen positive active total electric energy of the electric meter has sudden change into the power utilization information acquisition system;
the remote reading module is used for remotely reading the indication value of the forward active total electric energy through the power utilization information acquisition system if the daily frozen indication value of the electric meter is abnormal sudden change data;
and the abnormity diagnosis module is used for comparing the daily frozen positive active total electric energy indicating value of the user electric meter acquired through the terminal with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, marking the user electric meter as abnormal metering if the daily frozen positive active total electric energy indicating value of the user electric meter is consistent with the daily frozen positive active total electric energy indicating value of the user electric meter, and otherwise marking the user electric meter as abnormal acquisition equipment.
The method comprises the steps of acquiring a daily freezing positive active total electric energy indicating value of a user intelligent electric meter from a terminal through an electricity information acquisition system, and loading a judgment rule for judging whether the daily freezing positive active total electric energy indicating value of the intelligent electric meter abnormally changes into the acquisition system, wherein the specific content of the judgment rule is as follows:
judging that the ratio of the daily frozen positive active total electric energy indication value of the intelligent electric meter to the daily theoretical maximum electric quantity of the intelligent electric meter is greater than a threshold value K, and determining the ratio to be abnormal mutation data;
the daily theoretical maximum electric quantity calculation method comprises the following steps:
single-phase table Un × Imax 24 h/1000;
three-phase table 1.732 Un Imax 24h/1000
Un is rated line voltage, and Imax is the maximum current of the electric energy meter.
K is the range threshold value of the electric energy meter, and K is 120%.
If the total forward active electric energy indication value is lost due to daily freezing of the smart meter on the previous day, the total forward active electric energy indication value is compared with the total forward active electric energy indication value of the same smart meter which is frozen on the last day within N + N days, the calculated electric energy of the smart meter needs to be divided by the difference days N, wherein N is 7, and N represents the power failure days within N days.
And judging whether the daily frozen positive active total electric energy indication value of the user intelligent electric meter meets the judgment rule or not, if so, diagnosing that the daily frozen positive active total electric energy indication value of the user intelligent electric meter is abnormal mutation data, and if not, judging that the daily frozen positive active total electric energy indication value of the user intelligent electric meter is normal data.
The user intelligent electric meter freezes the forward active total electric energy indicating value daily through the electricity information acquisition system.
The method comprises the steps that a user intelligent electric meter daily freezing positive active total electric energy indicating value acquired through a terminal is compared with a user intelligent electric meter daily freezing positive active total electric energy indicating value thoroughly copied from an intelligent electric meter, if the user intelligent electric meter daily freezing positive active total electric energy indicating value is consistent with the user intelligent electric meter daily freezing positive active total electric energy indicating value, the user intelligent electric meter is marked as metering abnormity, metering personnel are given to judge and process, if the user intelligent electric meter daily freezing positive active total electric energy indicating value is inconsistent with the user intelligent electric meter daily freezing positive active total electric energy indicating.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A method for diagnosing sudden change of user electric energy indication value of an electricity information acquisition system is characterized by comprising the following steps:
s1, acquiring a daily frozen positive active total electric energy indicating value of a user electric meter from a terminal through an electric information acquisition system;
s2, loading a judgment rule for judging whether the indication value of the daily frozen positive active total electric energy of the electric meter changes suddenly into the power utilization information acquisition system;
s3, if the daily frozen positive active total electric energy indication value of the electric meter is abnormal mutation data, remotely and thoroughly reading the indication value through the electric information acquisition system;
and S4, comparing the daily frozen positive active total electric energy indicating value of the user electric meter collected through the terminal with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, marking the user electric meter as abnormal metering if the daily frozen positive active total electric energy indicating value of the user electric meter is consistent with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, and otherwise marking the user electric meter as abnormal acquisition equipment.
2. The method for diagnosing the sudden change of the user electric energy indicating value of the electricity information acquisition system according to claim 1, wherein the specific contents of the judgment rule are as follows:
judging that the ratio of the daily frozen positive active total electric energy indication value of the user electric meter to the daily theoretical maximum electric quantity of the user electric meter is greater than a threshold value K;
the daily theoretical maximum electric quantity calculation method comprises the following steps:
single-phase table Un × Imax 24 h/1000;
three-phase table 1.732 Un Imax 24h/1000
Un is rated line voltage, and Imax is the maximum current of the electric energy meter.
3. The method as claimed in claim 2, wherein the threshold K is 120%.
4. The method according to claim 2, wherein when the indication of the daily frozen forward active total electric energy of the user electric meters on the current day is missing, the comparison is performed with the indication of the daily frozen forward active total electric energy of the same user electric meter on the last same block in N + N days, and the calculated electric quantity of the electric meters needs to be divided by the number of days of phase difference N, where N is 7, and N represents the number of power outage days in N days.
5. The utility model provides a power consumption information acquisition system user electric energy indication sudden change diagnostic device which characterized in that, the device includes:
the electric energy indicating value acquisition module is used for acquiring a daily frozen positive active total electric energy indicating value of a user electric meter from the terminal through the power utilization information acquisition system;
the sudden change judgment rule loading module is used for loading a judgment rule for judging whether the indication value of the daily frozen positive active total electric energy of the electric meter has sudden change into the power utilization information acquisition system;
the remote reading module is used for remotely reading the indication value of the forward active total electric energy through the power utilization information acquisition system if the daily frozen indication value of the electric meter is abnormal sudden change data;
and the abnormity diagnosis module is used for comparing the daily frozen positive active total electric energy indicating value of the user electric meter acquired through the terminal with the daily frozen positive active total electric energy indicating value of the user electric meter remotely and thoroughly copied, marking the user electric meter as abnormal metering if the daily frozen positive active total electric energy indicating value of the user electric meter is consistent with the daily frozen positive active total electric energy indicating value of the user electric meter, and otherwise marking the user electric meter as abnormal acquisition equipment.
6. The device for diagnosing sudden change of the user electric energy indicating value of the electricity information acquisition system according to claim 5, wherein the specific contents of the judgment rule are as follows:
judging that the ratio of the daily frozen positive active total electric energy indication value of the user electric meter to the daily theoretical maximum electric quantity of the user electric meter is greater than a threshold value K;
the daily theoretical maximum electric quantity calculation method comprises the following steps:
single-phase table Un × Imax 24 h/1000;
three-phase table 1.732 Un Imax 24h/1000
Un is rated line voltage, and Imax is the maximum current of the electric energy meter.
7. The power consumption information collection system user electric energy indication value mutation diagnosis device according to claim 6, wherein the threshold value K is 120%.
8. The apparatus of claim 6, wherein when the indication of the current day of the user meter day freezing positive active total power is missing, the comparison is performed with the indication of the last day freezing positive active total power of the same user meter in N + N days, and the calculated power requirement of the meter is divided by the number of days of power failure N, where N is 7, and N represents the number of days of power failure in N days.
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| JP2004340857A (en) * | 2003-05-19 | 2004-12-02 | Toshiba Corp | Metering state display method of watt-hour meter |
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