Research And Development Of Intelligent Substation Wireless Network Platform

Smart Grid is the integration of a complete information system architecture and theimprovement of infrastructure,In order to achieve a distributed power system monitoringequipment management and unified monitoring,The electricity sector through GPRSwireless network systems and meter reading terminal data systems, real-time transfer ofpower to the monitoring center.This paper presents a wireless intelligent network platform based on GPRS.Itdescribes the communication transmission technology GPRS wireless communicationsystem,The overall program design wireless intelligent network platform and analyze thewhole system working principle.The Wireless Intelligent Network’s platform hardwaredesign includes:MSP430F149control unit and power supply circuit,Data acquisitioncircuit,GPRS communication module circuit,Accessibility circuits. MSP430F149controlunit and power supply circuit formed by the MSP430F149control unit and power supplycircuit,Data acquisition circuit formed by the serial port and RS-485converter circuit，Accessibility circuit includes key circuit, LCD display circuit.Wireless communicationmodule circuit consists SIM900A module circuit and start-up circuit, SIM900A moduleand microcontroller interface and SIM card interface circuits.In this paper, the principleof each circuit module design, circuit debugging and system integration, and ultimatelyachieve the various functional requirements.Wireless Intelligent Network Platform software modules include:Main moduleinitialization,Power data acquisition module program,GPRS communication moduleprogram.Using C language programs write all the underlying functionality of theprogram.In the design process and proposed wireless intelligent network platformmonitoring software design and implementation.After repeated commissioning testing,This design results in wireless intelligentnetwork platform system show that GPRS-based wireless communication terminal fullymeet the requirements of the smart meter grid,The between users, between users and gridcompanies through a network of real-time interaction and instant power terminalconnections,To ensure that the power system can obtain real-time monitoring andallocation of reasonable.