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Bi-directional digital power meter

A technology of digital power and power, applied in the direction of electric power measurement, measuring devices, instruments, etc. through the application of digital technology, can solve problems such as disputes and power meter errors, and achieve effective management effects

Active Publication Date: 2015-02-25
OMNISYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the power meter according to the prior art can only display the accumulated electric energy in one direction, there is a need for a power meter capable of displaying the instantaneous energy consumption in real time, and displaying the electric energy accumulated in both directions of power transmission and power reception, and between power transmission and power reception. Different Power Meters Used in Power Reception
Correspondingly, since multiple power meters are used to measure the transmitted power and received power respectively, disputes may arise when calculating the transmitted power and received power due to the errors of these power meters, and since these power meters are installed separately Yes, it also creates some problems when operating the power system

Method used

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Embodiment Construction

[0025] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0026] figure 1 The structure of the bi-directional digital power meter 10 according to one embodiment of the present invention is shown. Such as figure 1 As shown, the bidirectional digital power meter 10 includes a signal detection unit 100 , an A / D conversion unit 200 , a measurement unit 300 , a display unit 700 , a first storage unit 500 , a second storage unit 600 and a microcomputer 400 . Wherein, the signal detection unit 100 is used for detecting the voltage signal and the current signal, and the voltage signal and the current signal are respectively proportional to the voltage value and the current value from the power line, and output the detected voltage signal and current signal; A / D The conversion unit 200 is used to convert the voltage signal and current signal output from the signal detection unit 100 into a digital signal; th...

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Abstract

The present invention relates to a bi-directional digital power meter, and more particularly, to a bi-directional digital power meter capable of measuring bi-directional data of transmission power and reception power, correcting each error, displaying the difference between the transmission power and reception power in real time, and outputting the difference to external communication means, thus efficiently managing power in connection to a smart grid system.

Description

technical field [0001] The present invention relates to a two-way digital power meter, and more particularly, to a two-way digital power meter that can display instantaneous energy consumption in real time, as well as accumulated electric energy in two directions of power transmission and power reception, and according to each operation The characteristics of the environment, perform specific error correction. Background technique [0002] Utilities maintain a balance between demand and supply of ever-changing electricity consumption (i.e., transmission and generation). Electric companies, for example, receive electricity from other electric companies in some cases in order to maintain a balance between demand and supply. As the load increases, if the amount of electricity delivered increases significantly, then there is no balance between transmission and generation, and the power company needs to receive power from other power companies to make up for the power shortage. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R22/06G01R11/32
CPCG01R21/133
Inventor 金知孝朴南奎金周炫孙炳日
Owner OMNISYST
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