The Key Technologies Research About Power Transmission And Transformation Equipment Condition Monitoring Based On The Internet Of Things

Research and application of power transmission and transformation equipment condition monitoring technology,which can be guarantee the equipments reliable and effective,and ensure operation of the equipments be safe,it lays the solid foundation for the full realization of the smart grid.An important application field of internet of things(IoT)is smart grid.After analyzing the structure and characteristics of it,and the development of main power transmission and transformation equipment condition monitoring technology,the article focuses on several gordian techniques about power transmission and transformation equipments condition monitoring based on the technology of IoT.The paper proposes a new sensing technology--the distributed optical fiber sensing technology,and do some research about the temperature compensation method of distributed FBG strain monitoring system based on Raman optical time-domain analysis technology(ROTDR),and verify the effectiveness of the method.Shows that the advantages and development prospects about the distributed optical fiber sensing technology in power transmission and transformation equipment condition monitorin;Because the demand of real-time about wireless sensor network for transmission line condition monitoring is very high,and its topology structure in chains are prone to be blocked,it puts forward a kind of wireless sensor technology based on improved ant colony algorithm which can not only balance the network energy consumption,but also optimize network routing,and verify its advantage in energy consumption,the network time delay and throughput;It proposes power transmission and transformation equipment condition monitoring system implementation based on the distributed optical fiber brillouin sensors and optimization of wireless sensor network,focus on hardware and software design of transformer monitoring terminal,embody the practical application of power transmission and transformation equipment condition monitoring technology;After analyzing the international standard DL/T860(IEC 61850)in the application of power transmission and transformation equipment condition monitoring system,the paper makes hierarchical design of power transmission and transformation equipment condition monitoring system structure combined with Internet of things technology.It solves the problem of condition monitoring information model specification is not unified,and implements the data information sharing;Paper designs main function module of transmission line extension state monitoring,including sensor selection and communication module hardware design,also design functional modules of the interior of the transformer substation monitoring terminal,including the transformer monitoring terminal,circuit breaker monitoring terminal,and lightning arrester monitoring terminal,mainly design the main peripheral circuit of the dielectric loss IED processing unit TMS320LF2407.