Design of Power Quality Monitoring System for Electrified Railway Based on GPRS Technique

According to the characteristics of electrified railway traction station,a kind of electrified railway power quality monitoring system based on GPRS wireless communication technique is designed.The whole system is composed of power quality monitoring terminal units with C8051F040 SCM and SIM100 GPRS module as the core and monitor host composition.With the use of GPRS wireless communication and Internet access function,the system can realize real time data collection and data transmission for the power quality monitoring system.For the system,the characteristics of wide scope,small maintenance amount and low cost can well satisfied the requirements of the electrified railway power quality monitoring.