Abstract:

In order to collect,analyze and deal with the variable parameters of power transformers.a terminal sur-veillance system is designed with the applications of the high-precision parameter collection module,the high-per-formance microprocessor and the SIMENS wireless communication module.By the proposed system,variable func-tions of the power transformer,such as the inquiring of current states and historical curves(data),the long-dis-tance surveillance and the alarm,can be easily accomplished.The application results indicate that the proposed surveillance system is suitable for intelligentized and networked power transform ers,for it possesses complete func-tions,good stability and single electric circuit.

Key words: power transformer, General Packet Radio Service, singlechip, MC35 i module