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Meter reading abnormality determination process for meter reading by employing meter reading handheld console

An abnormality judgment and handheld technology, which is applied in the field of meter reading abnormality judgment process, can solve the problems that the current is difficult to distinguish, and the automatic analysis of anti-stealing electricity has not been realized.

Inactive Publication Date: 2019-05-31
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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  • Claims
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AI Technical Summary

Problems solved by technology

But for single-phase residential users, the voltage is 220V, and the current is difficult to distinguish between normal power consumption and abnormal power consumption. The current is zero when the user is short-circuited or not using power, and the automatic analysis of anti-theft power has not been realized.

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  • Meter reading abnormality determination process for meter reading by employing meter reading handheld console

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Embodiment Construction

[0016] In order to better understand the technical solution of the present invention, it will be described in detail below through specific embodiments in conjunction with the accompanying drawings:

[0017] see figure 1 , a kind of meter reading abnormal judging process that adopts meter reading handheld computer to carry out meter reading of the present invention, comprises the following steps:

[0018] Step 1, read the live wire current Ia through the meter reading handheld.

[0019] Step 2, read the zero line current In through the meter reading handheld.

[0020] Step 3, the preliminary screening step, when any phase of Ia or In is greater than 0.1A, the data is introduced into the subsequent determination step, if both Ia and In are less than 0.1A, the abnormality determination process is skipped in this meter reading;

[0021] Step 4, the unbalanced rate calculation step, the unbalanced rate is equal to (Ia-In) / max(In, Ia)*100%, if the unbalanced rate exceeds the unba...

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Abstract

The invention discloses a technical scheme of a meter reading abnormality determination process for meter reading by employing a meter reading handheld console. The process comprises the steps of: reading data of a live wire current and a null line current to calculate an unbalance rate, analyzing and determining power consumption data to timely discover abnormal power consumption phenomena such as metering faults and current bypass of an electric energy meter occurring at field on the premise that the electric energy meter is not turned on; and analyzing the data to determine the users' poweruse habits to achieve verification and anti-stealing of the electric energy meter. The meter reading abnormality determination process can be combined with metering data in the collection system to provide superior data basis for application such as power marketing, metering device fault monitoring, anti-stealing, court line loss management and remote fee control, and can combine with practical experience according to the metering principle to analyze and screen out abnormal and suspected abnormal electricity user of the metering device, and the result output by the project is applied to thework guidance of the electricity inspection.

Description

technical field [0001] The invention relates to a process for judging abnormalities in meter reading using a meter reading handheld computer for meter reading in the field of electric meter reading. Background technique [0002] With the development of science and technology and the advancement of technology, in addition to the basic power consumption measurement function of traditional electric energy meters, smart meters also have two-way multi-rate metering functions, user-side control functions, and two-way data communication with multiple data transmission modes. Function, anti-stealing function and other intelligent functions, smart meters represent the future development direction of energy-saving smart grid end-user intelligent terminals. [0003] Electricity consumption inspection has always been the key work of the power supply department. With the advancement of the construction of the electricity consumption information collection system, the automatic monitoring...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R11/24G01R11/25G01R35/04
Inventor 周清华陈明严童钱嫣然姚亦章王筱赟徐伟吴强程凯
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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