Electric energy meter structure for checking error by user himself/herself and error checking method
A technology for calibrating errors and electric energy meters, applied in the field of smart meter measurement, can solve problems such as high cost and large workload of flow sensors, and achieve the effects of improving efficiency, improving calculation accuracy, and reducing the effect of multicollinearity
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Embodiment 1
[0040] Such as figure 1 As shown in Fig. 1 , a structure of electric energy meter with user’s self-calibration error, the electric energy meter structure includes an electric energy shunt structure with 1 input and 2 output, and the electric energy shunt structure constitutes an electric energy system conforming to the relation of electric energy conservation. There is a user electric energy metering module, and the two outlet pipelines are respectively equipped with a sub-meter module and an error reference standard device on the user power line to complete the user electric energy metering module, the sub-meter module and the error reference standard on the user power line The calculation of the measurement error of the device, specifically:
[0041] Establish a mathematical model using the power conservation relationship of the power system, and calculate the power measurement error of the user power metering module according to the power data detected by the user power meteri
Embodiment 2
[0061] The present invention proposes a method for verifying errors of the user's own electric energy meter structure, which is applicable to the realization of the method process corresponding to the electric energy meter structure proposed in Embodiment 1. The structure constitutes an electric energy system that conforms to the relationship of electric energy conservation. Among them, one inlet pipeline is equipped with a user electric energy metering module, and the two outlet pipelines are respectively equipped with a sub-meter module and an error reference standard device on the user power line. The calculation of the metering error of the user's electric energy metering module, the sub-meter module on the user's power line and the error reference standard device, such as figure 2 As shown, the methods include:
[0062] In step 201, a mathematical model is established by using the energy conservation relationship of the electric energy system, and the user electric energy m
Embodiment 3
[0079] Such as image 3 Shown is a schematic structural diagram of an error calibration device according to an embodiment of the present invention. The error calibration device in this embodiment includes one or more processors 41 and memory 42 . in, image 3 A processor 41 is taken as an example.
[0080] Processor 41 and memory 42 can be connected by bus or other means, image 3 Take connection via bus as an example.
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