Three-phase intelligent electric meter with rapid calibration structure

Abstract

The invention discloses a three-phase intelligent electric meter with a rapid calibration structure. The three-phase intelligent electric meter comprises a three-phase intelligent electric meter body, wherein the three-phase intelligent electric meter body comprises a terminal processor, the input end of the terminal processor is electrically connected with a voltage measurement end and a current measurement end, the output end of the terminal processor is bidirectionally and electrically connected with a display module, the output end of the terminal processor is bidirectionally and electrically connected with a voltage and current calibration channel and a data caching module, and the output end of the voltage and current calibration channel is bidirectionally and electrically connected with a split-phase trimming module. According to the invention, in the running process of the three-phase intelligent electric meter, the range current is added to the current and voltage channels for detection while the split-phase trimming module performs synchronous trimming on multiple split phases, and after the split-phase trimming is completed, the effect of trimming the combined phase precision of the combination is achieved, so that the problems that an existing three-phase intelligent electric meter is low in calibration efficiency, deviation of output stable time occurs in the operation process, and the calibration accuracy is prone to being affected are solved.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a three-phase smart meter with a fast calibration structure. Background technique [0002] The electric meter is the abbreviation of the electric energy meter. It is used to measure the amount of electric energy. It mainly generates a moving magnetic field through the synthesis of voltage and current components, so that the disk rotates under its action. However, the calibration efficiency of the existing three-phase smart meters is slow, and there will be deviations in the output stabilization time during operation, and the calibration accuracy is easily affected. Contents of the invention [0003] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide a three-phase smart meter with a fast calibration structure, which has the advantage of improving calibration efficiency, and solves the pro...

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Problems solved by technology

[0003] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide a three-phase smart meter with a fast calibration structure, which has the advantage of improving calibration efficiency, and solves the problem that the calibration efficiency of the existing three-phase smart meters is relatively slow. There will be deviations in the output stabilization time during operation, and the calibration accuracy is easily affected

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