Electric energy sensor with three-way array structure and measuring system and method formed by electric energy sensor

An array structure, electric energy measurement technology, applied in the field of smart meter measurement, can solve the problems of large workload and high cost of electric energy sensor error calibration, achieve the effect of improving calculation efficiency and calculation accuracy, and reducing the effect of multicollinearity

Pending Publication Date: 2022-03-08
武汉国测数据技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The problem brought about by this approach is that the workload of the erro

Method used

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  • Electric energy sensor with three-way array structure and measuring system and method formed by electric energy sensor
  • Electric energy sensor with three-way array structure and measuring system and method formed by electric energy sensor
  • Electric energy sensor with three-way array structure and measuring system and method formed by electric energy sensor

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Embodiment 1

[0060] An electrical energy sensor with a three-way array structure, such as figure 2 As shown, the electric energy sensor of the three-way array structure includes an electric energy shunt structure with 1 input and 2 output. The electric energy shunt structure constitutes an electric energy system conforming to the electric energy conservation relationship, in which, the pipeline branches of 1 inlet and 2 outlets are respectively provided with The electric energy sensing unit (wherein the electric energy sensing unit on the inlet pipeline branch is also described as "electric energy sensing master meter unit" in other embodiments of the present invention; and the electric energy sensor on the two outlet pipeline branches is also described as "Electric Energy Sensing Submeter Unit"), complete the calculation of the measurement error of the electric energy sensing unit by connecting the error reference standard device in series on any pipeline branch (it should be emphasized t...

Embodiment 2

[0065] The present invention also provides an electric energy measurement system composed of electric energy sensors with a three-way array structure, such as figure 2 As mentioned above, in the electric energy measurement system provided with the electric energy sensor of the three-way array structure as described in Embodiment 1, it includes: at least two stages of electric energy sensors with a three-way array structure of 1 in and 2 out, wherein each stage has 1 in and 2 out The electric energy sensor with the three-way array structure includes one electric energy sensing total meter unit on the inflow side and two electric energy sensing sub-meter units on the outflow side, one electric energy sensor general meter unit on the inflow side and two A power sensor sub-meter unit located on the outflow side constitutes a relative power conservation relationship;

[0066] Among them, for the electric energy sensor with the three-way array structure of two adjacent levels of 1 ...

Embodiment 3

[0076] The embodiment of the present invention also provides a method for measuring an electric energy system composed of a three-way array structure. The electric energy system composed of an electric energy sensor with a three-way array structure includes: at least two stages of electric energy sensors with a three-way array structure with 1 input and 2 outputs , wherein each level of 1-in 2-out three-way array structure power sensor includes 1 power sensor master unit on the inflow side, 2 power sensor sub-meter units on the outflow side, and 1 power sensor sub-meter unit on the inflow side The electric energy sensing main meter unit and two electric energy sensing sub-meter units located on the outflow side form a relative electric energy conservation relationship;

[0077] Among them, for the adjacent two-stage 1-in 2-out three-way array structure, in the upper-level 1-in 2-out three-way array structure, the electric energy sensing sub-meter unit on the outflow side is the...

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Abstract

The invention discloses an electric energy sensor with a three-way array structure and a measurement system and method formed by the electric energy sensor. A mathematical model is established by using an electric energy conservation relation of an electric energy system, and electric energy data detected by the electric energy sensor of the three-way array structure and the error reference standard device are utilized. Calculating electric energy measurement errors of electric energy sensing units respectively arranged on one inlet pipeline branch and two outlet pipeline branches of the electric energy sensor of the three-way array structure, compensating electric energy data obtained by new measurement by using the calculated errors, and continuously iteratively calculating the measurement errors of the electric energy sensing units. And the error-free or equal-error electric energy sensor with the three-way array structure is obtained. The multi-collinearity influence of electric energy data calculation caused by similar electric energy using habits of users is weakened, and the calculation efficiency and the calculation precision are improved.

Description

technical field [0001] The invention belongs to the technical field of smart meter measurement, and more specifically relates to an electric energy sensor with a three-way array structure and a measurement system and method thereof. Background technique [0002] Currently, a large number of electric energy sensors, such as electric meters, water meters, gas meters, or other electric energy meters, cannot be dismantled back to the laboratory to detect electric energy errors because they are used too much in real life. There is an urgent need to find technologies and methods for online detection of these electric energy sensor errors. [0003] For mathematical algorithms, when the power measurement system is relatively large, there are many power sensors included in the power measurement system, and the similarity of users' power consumption habits will lead to the multicollinearity problem of power meter data. The data calculation method Calculation accuracy is affected. ...

Claims

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Application Information

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IPC IPC(8): G01R22/06G01R35/04
CPCG01R22/061G01R35/04
Inventor 侯飞侯铁信金鹏汪毅钟晓清郑华刘春华段愿朱政
Owner 武汉国测数据技术有限公司
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