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Method, device and computer program for transmitting and/or receiving signals on an electric power network

A technology for power grid and information transmission, applied in the directions of signal transmission/reception through power distribution, transmission/reception of signals by modifying power waves, transmission/reception of signals by adding signals to waves, etc. complexity, etc.

Active Publication Date: 2018-11-02
REACTIVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This adds cost and complexity to communication systems designed to leverage existing infrastructure

Method used

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  • Method, device and computer program for transmitting and/or receiving signals on an electric power network
  • Method, device and computer program for transmitting and/or receiving signals on an electric power network
  • Method, device and computer program for transmitting and/or receiving signals on an electric power network

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Embodiment Construction

[0090] figure 1 An exemplary power grid 100 in which an embodiment of the invention may be implemented is shown. Electricity grid 100 includes a transmission grid 102 and a distribution grid 104 .

[0091] The transmission grid 102 is connected to an electric power generator 106, which may be a nuclear power plant or a gas-fired power plant, for example, through power lines (e.g., overhead power lines) that transfer large amounts of electrical energy at very high voltages (typically on the order of several hundred kV) The electrical power is transmitted from the generator to the distribution grid 104 .

[0092] The transmission network 102 is connected to the distribution network 104 through a transformer 108 , which converts the power to a lower voltage (typically around 50 kV) for distribution within the distribution network 104 .

[0093] The distribution network 104 is connected to a local area network, which supplies power consumers connected to the electricity grid 100...

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PUM

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Abstract

Methods, devices and computer programs for transmitting and / or receiving information are described. By measuring at the receiving device a characteristic related to the frequency of the power flowing in the power grid, accessing data representing one or more predetermined code patterns, and performing a correlation process to determine the difference between the modulation pattern and the one or more predetermined code patterns The correlation between one of the patterns is used to decode the information encoded in the carrier signal comprising the modulation pattern superimposed on the grid frequency at which current flows in the synchronous region of the power grid. Based on the determined correlations, the information is decoded. This enables easy transmission of information within the synchronous area of ​​the power grid.

Description

technical field [0001] The invention relates to methods, devices and computer programs for transmitting and / or receiving signals in an electrical power network. Background technique [0002] Communication systems for transmitting and / or receiving data on electrical power networks are well known. Transmission of data over the power grid is advantageous because existing infrastructure is used as the transmission medium. Since most of the places requiring communication links are already connected to the power grid, users can connect to the communication links without any additional infrastructure. Also, a large number of users are already connected to the power grid, and the number of points at which people can connect to the power grid is large, so the infrastructure of the power grid provides a flexible network over which communications can be established. [0003] Typically, in such communication systems, a data signal comprising a modulated carrier is superimposed on the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B3/54
CPCH04B2203/5412H04B3/54H04B2203/5416H04B3/542H04B2203/5404H04L27/20H04L27/2655H04W24/08
Inventor 海基·霍莫
Owner REACTIVE TECH