Electric energy meter area and three-phase automatic identification method

An automatic identification and electric energy meter technology, which is applied in the application field of distribution network electrical parameter measurement, can solve problems such as electromagnetic signal interference and heavy workload, and achieve the effects of improving accuracy, reducing costs, and solving file entry errors

Active Publication Date: 2019-06-07
CHONGQING UNIV OF POSTS & TELECOMM +1
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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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  • Electric energy meter area and three-phase automatic identification method
  • Electric energy meter area and three-phase automatic identification method
  • Electric energy meter area and three-phase automatic identification method

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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 an electric energy meter platform area and three-phase automatic identification method, figure 2 It is a comprehensive decision-making diagram of the station area and three-phase of the electric energy meter of the user to be identified. As shown in the figure: a method for automatic identification of electric energy meter platform area and three phases provided by the present invention includes the following steps:

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

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

[0046] S3: Using the voltage loss model and the electric energy meter data of the user to be identifi...

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Abstract

The invention relates to an electric energy meter area and three-phase automatic identification method, and belongs to the field of distribution network electrical parameter measurement application. The method comprises: firstly, a voltage loss model is established on the basis of accurate data of an existing transformer area; and then, based on the voltage loss model and the user side data, estimating the total meter voltage and three phases of the transformer area; and finally, carrying out correlation analysis on the estimated voltage and the actual voltage, comprehensively deciding a transformer area and three phases of the to-be-identified user electric energy meter, and giving a correlation coefficient of the transformer area and the three phases, thereby improving the management capability of the power grid and promoting 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 an electric energy meter platform area and a three-phase automatic identification method. 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, three-phase power balance, phase sequence control, and line loss calculation, 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/10
Inventor 段盼胡蓓
Owner CHONGQING UNIV OF POSTS & TELECOMM
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