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A precise control system and method for online error calibration of smart electric energy meters

A smart energy meter and error calibration technology, applied in the direction of measuring electrical variables, instruments, measuring devices, etc., can solve problems such as poor current interruption ability, and achieve the effect of avoiding the lack of feedback parameters and avoiding imperfect statistics

Active Publication Date: 2021-08-31
国网山东省电力公司营销服务中心(计量中心) +1
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Problems solved by technology

The built-in equipment of the load switch controls the built-in circuit breaker through signals in the application process. The structure is relatively simple, the installation is convenient, and the cost is low. However, it is also found that its breaking capacity is relatively poor in practical applications.

Method used

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  • A precise control system and method for online error calibration of smart electric energy meters
  • A precise control system and method for online error calibration of smart electric energy meters
  • A precise control system and method for online error calibration of smart electric energy meters

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Embodiment Construction

[0090] The following specifically describe several embodiments and beneficial effects of the smart electric energy meter online error checking precision control system and method claimed in the present invention, so as to facilitate a more detailed examination and decomposition of the present invention.

[0091] In order to better understand the technical solutions of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0092] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0093] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are n...

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Abstract

The present invention proposes a precise control system and method for online error calibration of smart electric energy meters, considering that in the process of error measurement, calibration and correction of intelligent electric energy meters, the errors of intelligent electric energy meters may come from such as measurement errors, creep Performance affects aspects such as light load error, sampling error of sampling circuit, and attribution error. Through the normalized configuration of ternary calibration information, a multi-angle integrated intelligent electric energy meter online error calibration precision control system and its method are realized. The method avoids technical problems such as lack of feedback parameters and imperfect statistics in the prior art for smart electric energy meter error verification.

Description

technical field [0001] The invention belongs to the field of information technology of a new generation of intelligent internet of things, and in particular relates to a precise control system and method for online error verification of an intelligent electric energy meter. Background technique [0002] As an important node component of the power grid structure, the smart energy meter has replaced the traditional energy meter and has become the main node for power consumption observation of systems or enterprises and individual users, as well as an important power grid monitoring function terminal. [0003] Smart meters are an important part of modern power systems. Whether it is household meters or industrial, commercial, mechanical, and electric power meters, more and more smart meters appear and use. Unlike traditional meters, smart meters include users. Functions such as terminal control, two-way multi-rate metering, and data transmission are the embodiment of the develo...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R35/04
CPCG01R35/04
Inventor 郭亮马俊杨梅荆臻王莉曹彤李霖李先志
Owner 国网山东省电力公司营销服务中心(计量中心)
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