Application Of Medium Voltage Carrier Communication Technology In Electric Energy Information Acquisition System

At present,China's intelligence gathering of energy information has reached a new height,the province for the user intelligence information collection in more than 97 percent,only a very small part of the basement,remote mountain and mine and other special environment Users difficult to collect.In order to achieve the full coverage of energy information collection,the whole collection,according to the requirements of the smart grid,the program in the study of a medium voltage power line communication based on the acquisition method.The acquisition and control of the user's power consumption information includes the intelligent user table,the low-voltage acquisition communication module,the data collector,the upstream communication module and the background acquisition master station.The low voltage acquisition communication The way mainly includes low-voltage carrier,short-range wireless and 485 wired connection in three ways;uplink communication mainly includes wireless GPRS network communication,optical fiber communication and wired Ethernet communication.At present,the most used low-voltage communication method is low-voltage carrier in the power collecting system of our country,the up-line communication way is the wireless GPRS communication most.In China,the medium voltage transmission lines are the most widely distributed,the circuit structure is complex,the medium voltage carrier communication technology uses the existing medium voltage transmission line as the transmission medium,does not need to set up additional communication channel,easy installation,easy operation,more suitable for rural The And wireless GPRS public network communication relative to the need for third-party mobile company's support,no post-operating costs;compared with optical fiber communications,pre-construction costs low.For the application of this paper,the application of medium voltage carrier communication technology in energy information acquisition system,how to complete the medium voltage carrier communication technology for mountain area without public network GPRS signal area electricity users electricity collection.Finally,this paper combines the power system information acquisition system,describes the key technology of medium voltage carrier communication,the research program of this paper and the concrete implementation method.