Abstract
A new wind turbine generator system (WTGS) is introduced, and its mathematical model, blade pitch control scheme, and nonlinear simulation software for the performance prediction are presented. The notable feature of WTGS is that it consists of two rotor systems positioned horizontally at upwind and downwind locations, and a generator installed vertically inside the tower. In this paper, this new WTGS is treated as a constrained multi-body system, and the equations of motion are obtained by using the multi-body dynamics approach. Aerodynamic forces and torques generated from each of rotor blades are calculated using the blade element theory. Various pitch control schemes depending on the wind speed and the main rotor's rotational speed are implemented. A relatively simple model for the load torque is obtained by using the test data of the doubly fed induction generator adopted in the new WTGS. Finally, FORTRAN and Matlab/Simulink-based hybrid simulation software is developed and used to predict and analyze the performance of the WTGS.
| Original language | English |
|---|---|
| Pages (from-to) | 2124-2132 |
| Number of pages | 9 |
| Journal | Renewable Energy |
| Volume | 34 |
| Issue number | 10 |
| DOIs | |
| State | Published - 2009.10 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Blade pitch control
- Dual rotor wind turbine generator system
- Modeling and simulation
- Nonlinear simulation software
- Performance analysis
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Electrical & Electronic
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