Wind turbines 344 Wind power 165 Design and construction 87 Renewable energy sources 27 Wind energy conversion systems 23 Aerodynamics 20 Automatic control 17 Turbines 17 Electric power systems 15 Electric power production 13 Blades 11 Wind turbine 10 Mathematical models 9 Power electronics 9 Windmills 7 Power resources 6 Refuse and refuse disposal 6 Battery chargers 5 Materials 5 Wind power plants 5 Arduino (Programmable controller) 4 Battery charges 4 Buildings 4 Energy harvesting 4 Environmental aspects 4 Microcontrollers 4 PID controllers 4 Photovoltaic power systems 4 Programmable controllers 4 Prototype, Engineering Design 4