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Processing system for downlink signal of power distribution automation system

A technology of distribution automation and signal processing, applied in the direction of distribution line transmission system, etc., can solve the problems of difficult construction, high cost, high investment cost of optical fiber communication facilities, etc., and achieve the effect of reducing construction cost and speeding up construction progress

Inactive Publication Date: 2016-02-03
DALIAN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER +2
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Problems solved by technology

However, from the actual situation, for areas without reserved communication pipelines, the investment cost of new optical fiber communication facilities is relatively high, and construction is difficult; for areas with reserved communication pipelines, due to ground subsidence and other pipeline construction, 20% -30% of the pipes are blocked, resulting in the inability of optical fibers to pass through
For these reasons, the cost of networking by using optical fiber communication alone is relatively high

Method used

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  • Processing system for downlink signal of power distribution automation system
  • Processing system for downlink signal of power distribution automation system

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing:

[0015] Such as figure 1 , 2 As shown, the present invention is composed of an optical fiber communication system, an optical network unit device 1 , a head-end device 2 , a relay device 3 , a terminal device 4 , and a coupler 10 .

[0016] The optical network unit device is used to receive the optical signal sent by the optical fiber communication system, convert the optical signal into a digital signal, and then send the digital signal. Among them, the optical network unit device is ONU (OpticalNetworkUnit); the optical signal sent by the optical fiber communication system can be the downlink communication data in the form of light waves sent by the OLT (optical line terminal) in broadcast mode. 3 Standard digital signals, used to represent downlink communication data.

[0017] The head-end device is connected to the optical network unit device through a network cable t...

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Abstract

The invention relates to a processing system for a downlink signal of a power distribution automation system. The processing system is composed of an optical fiber communication system, an optical network unit device, a front-end device, a relay device, a terminal device and a coupler. According to the processing system for the downlink signal of the power distribution automation system, hybrid networking of optical fiber communication and carrier communication can be realized, pavement of optical fibers in the aspect of communication line construction can be accordingly reduced, construction cost of communication lines can be further reduced, and construction progress of a smart power grid also can be speeded up.

Description

technical field [0001] The invention relates to a communication signal processing system, in particular to a downlink signal processing system of a power distribution automation system. Background technique [0002] Distribution automation system is the main content of smart grid construction. The smart grid is based on an open and interconnected information model, by loading system digital equipment and upgrading the grid network management system, it realizes the entire process of the power industry such as power generation, transmission, power supply, power consumption, customer power sales, grid level scheduling, and comprehensive services. Intelligent, informatization, and hierarchical interactive management, while optical fiber communication is the main communication method in the transformation of distribution automation systems. However, from the actual situation, for areas without reserved communication pipelines, the investment cost of new optical fiber communicat...

Claims

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Application Information

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IPC IPC(8): H04B3/56H04B3/54
Inventor 杨万清姜俐化赵晓茹姜腾飞赵云金垒田晓明万涛杨永辉董柏辰
Owner DALIAN POWER SUPPLY COMPANY STATE GRID LIAONING ELECTRIC POWER
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