2008•Telecom Power TechnologiesRequires access

The Present Situation and Development of Power Line Carrier Telecom in China

Chen Ji-hua

Abstract

The technology of power line carrier telecommunication was came forth in 1920's,which is the own telecom way of electric power system.It can be used to transfer the signals of telephone,remote data and remote protection.It is the main telecom way of ensuring the safety,high quality and economy of grid and realized the automatization of attemper and the modernization of management.Transferring in power line,the power line carrier telecommunication have advantages of high reliability,quick effect in less investment and synchronous with the construction of grid.

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Key concepts: Telecommunications, Telephone line, Telecommunications equipment, Power grid, Reliability (semiconductor), Modernization theory, Power (physics), Line (geometry)