Abstract
In order to guarantee the safety of wind turbine, online monitoring system of wind turbine was utilized. Data acquisition technology is one of key technologies in monitoring systems. To reduce communication error rate of wind turbine monitoring system, the reliable data acquisition methods were presented in this paper. It utilized TCP protocol and double buffer asynchronous communication method on system server. The cycle buffer and multithread processing method was utilized on the acquisition terminal. The working state data were saved into PostgreSQL database with Npgsql dynamic link library. The data acquisition methods realized high speed, large capacity, and reliable data transmission. They can improve the accuracy and lower the cost of wind turbine monitoring system.
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