Tesis doctoral de Lluís Trilla Romero
Wind energy has increased its presence in many countries and it is expected to have even a higher weight in the electrical generation share with the implantation of offshore wind farms. Consequently, the wind energy industry has to take greater responsibility towards the integration and stability of the power grid. In this sense, there are proposed in the present work control systems that aim to improve the response and robustness of the wind energy conversion systems without increasing their complexity in order to facilitate their applicability. In the grid-side converter it is proposed to implement an optimal controller with its design based on h-infinity control theory in order to ensure the stability, obtain an optimal response of the system and also provide robustness. In the machine-side converter the use of a linear parameter-varying controller is selected, this choice provides a controller that dynamically adapts itself to the operating point of the system, in this way the response obtained is always the desired one, the one defined during the design process. Preliminary analysis of the controllers are performed using models validated with field test data obtained from operational wind turbines, the validation process followed the set of rules included in the official regulations of the electric sector or grid codes. In the last stage an experimental test bench has been developed in order to test and evaluate the proposed controllers and verify its correct performance.
Datos académicos de la tesis doctoral «Power converter otpimal control for wind energy conversion systems.«
- Título de la tesis: Power converter otpimal control for wind energy conversion systems.
- Autor: Lluís Trilla Romero
- Universidad: Politécnica de catalunya
- Fecha de lectura de la tesis: 15/11/2013
Dirección y tribunal
- Director de la tesis
- Oriol Gomis Bellmunt
- Tribunal
- Presidente del tribunal: jun Liang
- sergio Rates palau (vocal)
- (vocal)
- (vocal)