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A three-phase automatic identification method for electric energy meter

An automatic identification and electric energy meter technology, applied in the direction of measuring electricity, measuring electrical variables, instruments, etc., can solve the problems of electromagnetic signal interference, heavy workload, etc., and achieve the effect of solving input errors, improving accuracy, and reducing costs

Active Publication Date: 2021-02-09
CHONGQING UNIV OF POSTS & TELECOMM +1
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  • Abstract
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Problems solved by technology

[0003] At present, the user's station area identification mainly relies on the power carrier technology, which needs to send the carrier signal from the concentrator, and then connect the user terminal to the measurement tool for measurement. Not only the workload is very heavy, but also it is easily interfered by electromagnetic signals

Method used

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  • A three-phase automatic identification method for electric energy meter
  • A three-phase automatic identification method for electric energy meter
  • A three-phase automatic identification method for electric energy meter

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Embodiment Construction

[0042] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0043] figure 1 It is a flow chart of a three-phase automatic identification method for an electric energy meter, figure 2 It is the three-phase comprehensive decision-making diagram of the electric energy meter of the user to be identified. As shown in the figure: a three-phase automatic identification method for an electric energy meter provided by the present invention includes the following steps:

[0044] S1: Use the known correct station area data to collect the voltage and power values ​​of station area gateway meters and user electric energy meters at several times;

[0045] S2: Establish a voltage loss model by using the collected voltage and power values;

[0046] S3: Using the voltage loss model and the data of the electric energy meter of the user to be identified, estimate the voltage of each phase of the gateway meter of e...

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Abstract

The invention relates to a three-phase automatic identification method of an electric energy meter, which belongs to the application field of electric parameter measurement of a distribution network. Firstly, a voltage loss model is established based on the accurate data of the existing station area. Then, based on the voltage loss model and user-side data, the gate meter voltage and three phases in the area are estimated. Finally, the correlation analysis between the estimated voltage and the actual voltage is carried out, and the three phases of the electric energy meter to be identified are determined comprehensively, and the correlation coefficient between the two is given, so as to improve the management ability of the power grid and promote the healthy and stable operation of the power grid.

Description

technical field [0001] The invention belongs to the application field of electric parameter measurement of a distribution network, and relates to a three-phase automatic identification method of an electric energy meter. Background technique [0002] In the daily management of the distribution network by the power company, issues related to the station area to which the user's electric energy meter belongs are often involved, such as remote fee control, clock timing, etc. Accurately identifying the station area to which the user's energy meter belongs can realize refined marketing and effectively reduce consumption and loss. [0003] At present, the user's station area identification mainly relies on the power carrier technology, which needs to send the carrier signal from the concentrator, and then connect the user terminal to the measurement tool for measurement. Not only is the workload very heavy, but it is also susceptible to interference from electromagnetic signals. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00
Inventor 段盼胡蓓
Owner CHONGQING UNIV OF POSTS & TELECOMM
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