The Control System between Transformer Tester and Host Computer Based on VC++ and MFC

A proper communication and control principle was chosen according to the system character, based on analyzing the communication and control problem among host computer, transformer tester and transformer. We design the control system of host computer and transformer tester in order to fetch data from transformer and display real time data on host computer. It´s very convenient to detect performance index of transformer. This paper mainly introduced the communication system between transformer tester and host computer using VC++ and MFC to design. And it briefly describes the design of transformer tester by ourselves which can sample field data. The system´s communication principle and software design method are given in this paper. We make use of principle of serial communication and write a communications protocol. The host computer software can effectively communicate and control with transformer tester, which is successfully implemented. In practice, the system is reliable and easy to extend and has good application value.