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Design of reduced-order nonlinear observers for energy conversion applications
(Institution of Engineering and Technology, 2010-05)
Here a systematic technique to design a reduced-order nonlinear observer for estimating signals in application to energy conversion systems is introduced. This observer presents a linear error dynamics in estimated variables ...
The Nature of Charge-Transfer Excited States in Transition Metal Complexes Pertinent to Energy Conversion and Chemical Sensing
(Asociación Argentina para el Progreso de las Ciencias, 2020-03)
We present procedures for determining the nature of charge-transfer excited states in transition metal complexes relevant to energy conversion and chemical sensing processes. In particular, we analyze the importance of ...
A formulation for modeling levitation based vibration energy harvesters undergoing finite motion
(Academic Press Ltd - Elsevier Science Ltd, 2019-02-15)
This paper presents a geometrically exact formulation for modeling electromagnetic vibration energy harvesters undergoing finite displacements and rotations. The formulation is conceived to model uniaxial harvesters that ...
On the electromechanical coupling in electromagnetic vibration energy harvesters
(Elsevier, 2019-04-04)
This paper presents a theoretical and numerical analysis of the electromechanical coupling occurring in levitation-based electromagnetic vibration energy harvesters. The relevant mathematical and physical aspects of its ...
Variable-speed wind energy conversion system based on a dual stator-winding induction generator
(Institution of Engineering and Technology, 2017-01)
This study presents a wind energy conversion system based on a dual stator-winding induction generator. The generator can work at variable wind speed and can also be connected to the grid. The proposed energy conversion ...
Optimization of the integration among traditional fossil fuels, clean energies, renewable sources, and energy storages: An MILP model for the coupled electric power, hydraulic, and natural gas systems
(Pergamon-Elsevier Science Ltd, 2019-10)
This paper presents a Mixed Integer Linear Programming (MILP) formulation to optimize the Security Constrained Unit Commitment problem, integrating three areas: electrical, hydraulic, and natural gas. The model considers ...
2-Sliding active and reactive power control of a wind energy conversion system
(Institution of Engineering and Technology, 2010-11)
This study presents the control of a variable-speed wind energy conversion system based on a brushless doubly fed reluctance machine. The control objectives are the tracking of the maximum power conversion point and the ...
A WTS Power Conversion Stage With Multilevel Converters Operating in the Medium Voltage Range
(Pergamon-Elsevier Science Ltd, 2012-07)
A high power medium voltage converter for wind turbine system is presented in this paper. The proposal mitigates classic design tradeoffs around low voltage, high current link between the generator and the utility grid on ...