Research On Monitoring System Of Doubly-fed Wind Generator

With the increasing demand for energy,wind power become more and more important means of electrical energy supplement,the requirements of wind power technology are also getting higher and higher.In order to provide better service for wind power generation,wind power monitoring technology has become a research focus in wind farms,this paper research on wind power control system,to provide efficient reliable and reasonable control strategy for wind power system.Because of the wind power system monitoring technology research is based on the model of wind power system analysis,this paper detailed analysed and researched the working principle,mathematical model and physical properties of wind power generation,expounded the control principle of the monitoring system,analyzed the composition and structure of the monitoring system and emphatically studied the wind yaw control and temperature control expoundsed the principle of yaw control and temperature control,and to determine the control method.Then the hardware of the wind power monitoring system were studied and designed.The hardware circuit framework was designed,the same to power supply module,a microprocessor module,data acquisition module,the data acquisition circuit,focusing on the analysis of the wind power monitoring and control circuit with PLC as the core.Finally this paper carried out a detailed analysis and designd the system software,designed the system of generator startup,yaw control,temperature control,control transformer starting and stopping process,and each module of the workflow process are described.On this basis,each module of the system were designed using the ladder diagram,and the system testing were carried out to test the validation of the design process,At the same time,the debugging process of the product were analyzed,designed debugging method.