Research On Construction Scheme Of Medium Voltage Power Line Communication System

Electric power line communication has been developed slowly, but in recent years, with the progress of science and technology, power line communication industry has ushered in a new light. It has been widely used in smart home, intelligent industry, intelligent transportation and other fields.10KV has been widely used in this field:Firstly, we briefly introduce the development of MV-PLC, and summarize the common technology of line.The noise of medium voltage power line communication network is analyzed, and the intensity and source of the noise, and the range of the spectrum are analyzed.In view of the difficult problem of the medium voltage power line communication, the power line chip is proposed, which is based on low power consumption, and the power consumption is analyzed.This paper presents an improved method of 645-2007 protocol, and describes how to convert the 645-2007 protocol of power line signal to the chip of chip conversion.At last, we take the 35KV power grid as an example, calculate the signal transmission distance of the medium voltage power line communication in the case of only considering the attenuation of the equipment, and provide a reference for the engineering construction.In the future we will focus on how to solve the problem of temperature shift of the filter, and find the balance between the cost and the performance of components. In order to ensure the stability and reliability of the communication system, it becomes more economical and makes a contribution to the popularization of power line communication.