The Study of Wind Turbine Based on Fuzzy Logic

2013 ◽  
Vol 385-386 ◽  
pp. 1122-1126
Author(s):  
Yue Hua Huang ◽  
Qian Cheng Li ◽  
Chen Chen ◽  
Na Peng ◽  
Zuo Dong Duan ◽  
...  
Keyword(s):  
Power Generation ◽  
Fuzzy Logic ◽  
Renewable Energy ◽  
Wind Turbine ◽  
Wind Power ◽  
Control Method ◽  
Wind Power Generation ◽  
Generation System ◽  
Pitch Control ◽  
Power Generation System

Due to the lack of fossil fuels, people are paying more and more attention to renewable energy. Wind energy is one of the important renewable energy. Unpredictability and volatility of the wind source make the output power unstable, so we need to control the active Power. This paper uses fuzzy control method, and the simulation results show that fuzzy control method mentioned in this paper is better than the conventional PI control for Wind power, the nonlinear system. Based on the analysis of pitch control theory and control process, we design fuzzy pitch controller and its model. We simulates gust wind speed imitates, wind turbine control and verifies the effects of the blur pitch control in a constant speed and constant frequency wind power generation system. According to the results of the simulation, we know the pitch controller of fuzzy logic has a better effect on the active control of the generator of the wind power generation system.

A Simulation System of Wind Turbine Based on Labwindows

2014 ◽  
Vol 530-531 ◽  
pp. 943-951
Author(s):  
Zhi Gang Hua ◽  
Guang Yu Hu ◽  
Zhi Gong Wu ◽  
Yong Jie Zhai ◽  
Yu Jia Huo
Keyword(s):  
Power Generation ◽  
Wind Turbine ◽  
Wind Power ◽  
High Efficiency ◽  
Wind Power Generation ◽  
System Structure ◽  
Stable Operation ◽  
Direct Drive ◽  
Generation System ◽  
Power Generation System

Wind energy is the worlds fastest growing renewable energy source in recent years, and it has drawn worldwide attention. Due to high efficiency, simple topology and stable operation, variable speed constant frequency (VSCF) direct-drive wind power generation system using permanent magnet synchronous generator (PMSG) is the development trend and one of the focuses of wind power generation system research. The paper introduces the trend of the development wind power generation and the recently research stage on the wind power generation. Based on the VSCF power fundamental principle, the dissertation analyzes the strategy of wind turbine simulation. In the development of wind power generating system, the wind turbine emulator becomes more and more important because it can provide controllable wind turbine characteristics. Simplified mathematical model based on the CT-λ curve is constructed, the system structure and emulation method are analyzing. Hardware and software are designed and implemented, and a laboratory set-up is building which based on DC motor. Experimental results show that the wind turbine emulator is as good as expected.

Modeling and Simulation of Variable-Pitch Wind Power Generation System

2013 ◽  
Vol 724-725 ◽  
pp. 568-571
Author(s):  
Xiao Hong Yang ◽  
Chun Chen
Keyword(s):  
Power Generation ◽  
Modeling And Simulation ◽  
Wind Turbine ◽  
Wind Power ◽  
Wind Power Generation ◽  
Generation System ◽  
Variable Pitch ◽  
Power Generation System ◽  
Set Up ◽  
The Stability

in this work, a model for variable-pitch wind power generation controller system is set up. The model is simulated under MATLAB / Simulink environment. The simulation result shows that adding adjustable variable-pitch wind turbine can significantly improves the stability of the generator speed and output power. This work can provide a reference for correlative study on wind power generation system.

Speed Sensor-Less Vector Control Used in DFIG Wind Power Generation Based on EKF Algorithm

2014 ◽  
Vol 654 ◽  
pp. 196-202
Author(s):  
Bei Hu ◽  
Pan Duan ◽  
Shi Cheng Feng ◽  
Qi Chang Duan ◽  
Ming Xuan Mao
Keyword(s):  
Power Generation ◽  
Vector Control ◽  
Induction Motor ◽  
Wind Power ◽  
Control Method ◽  
Wind Power Generation ◽  
Generation System ◽  
Speed Sensor ◽  
Power Generation System ◽  
Power Point

Wind power generation system is a typical nonlinear system. As wind speed is changing constantly, induction motor with conventional speed sensor-less control method has great estimated error. Wind power generation system with the control method cannot be good at tracking maximum power point. The paper put forward a novel control method that estimates the angular velocity and the rotor flux of the wind turbine based on EKF, As a result, induction motor with double-loop sensor-less Vector Control is realized. Simulation results show that the control scheme is effective.

Wavelet Packet Diagnosis for Wind Turbine and Vector Control for Wind Power Generation System

2013 ◽  
Vol 724-725 ◽  
pp. 641-644
Author(s):  
Zhao Ran Hou
Keyword(s):  
Power Generation ◽  
Control System ◽  
Wavelet Transform ◽  
Wind Turbine ◽  
Vector Control ◽  
Wind Power ◽  
Wavelet Packet ◽  
Wind Power Generation ◽  
Generation System ◽  
Power Generation System

Wavelet transform was a signal analysis method from domain of time-frequency which was better in the wavelet packet, vibration signal was a carrier of fault features of the wind turbine driving chain, can effectively reflect most of the fault information of the wind turbine drive train. Wavelet transform for feature extraction was proposed as the characteristics of wind turbines in the presence of a large number of transient and non-stationary signals. The SCIG vector control system was designed and the simulation result shows this control system can realize optimal control for large wind energy conversion system which can effectively applied into SCIG wind power generation system for system modification.

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