Listar Artículos de revista - Aldizkari artikuluak por autor UPNA "Urtasun Erburu, Andoni"
Mostrando ítems 1-20 de 20
-
Adaptive voltage control of the DC/DC boost stage in PV converters with small input capacitor
In the case of photovoltaic (PV) systems, an adequate PV voltage regulation is fundamental in order to both maximize and limit the power. For this purpose, a large input capacitor has traditionally been used. However, when ... -
A comprehensive model for lithium-ion batteries: from the physical principles to an electrical model
The growing interest in e-mobility and the increasing installation of renewable energy-based systems are leading to rapid improvements in lithium-ion batteries. In this context, battery manufacturers and engineers require ... -
Conductance-frequency droop control to ensure transient stability of inverter-based stand-alone microgrids
Currently, inverter-based stand-alone microgrids are gaining interest due to the advantages of obtaining energy from renewable sources. To manage the operation, these microgrids include storage systems connected in ... -
Control design and stability analysis of power converters: the discrete generalized Bode criterion
For the controller design and stability analysis of power electronic converters, the Bode stability criterion and its subsequent revisions are the most practical tools. However, even though the control of the power ... -
Control design and stability analysis of power converters: the MIMO generalized bode criterion
Three-phase dynamic systems and multiphase generators are frequently modeled and controlled in the synchronous reference frame. To properly model the cross-coupling terms in this reference frame, complex vector theory and ... -
Control of a photovoltaic array interfacing current-mode-controlled boost converter based on virtual impedance emulation
Due to the nonlinear characteristics of a photovoltaic (PV) array, its regulation is highly dependent on the operating point. Focusing on a dc-dc boost converter, this paper first shows how the PV voltage and inductor ... -
Control of a single-switch two-input buck converter for MPPT of two PV strings
In this paper, the Two-Input Buck (TIBuck) converter is proposed as the DC/DC stage for photovoltaic (PV) cascaded converters. This converter is attractive for this application because it is cost-effective and reliable and ... -
Dual voltage-current control to provide grid-forming inverters with current limiting capability
The rapid uptake of renewable energy sources is causing synchronous generators (SG) to be replaced by power electronic inverters meaning these inverters need to offer the characteristics traditionally associated with SG. ... -
Energy management strategy for a battery-diesel stand-alone system with distributed PV generation based on grid frequency modulation
A hybrid PV-Battery-Diesel configuration is very attractive for stand-alone systems in terms of cost and reliability. In many applications, the battery and the diesel generator are centralized and generate the AC grid while ... -
Enhancement of the voltage control response in three-phase photovoltaic inverters with small dc capacitors
In the case of photovoltaic (PV) inverters, an adequate dc voltage regulation is fundamental to maximize or limit the power injected into the grid. However, the traditional control requires a large dc capacitance to ensure ... -
Frequency-based energy management strategy for stand-alone systems with distributed battery storage
Distributed generation is an attractive solution for stand-alone AC supply systems. In such systems, the installation of two or more energy-storage units is recommended for system redundancy and may also be required when ... -
High frequency power transformers with foil windings: maximum interleaving and optimal design
Foil conductors and primary and secondary interleaving are normally used to minimize winding losses in high frequency transformers used for high-current power applications. However, winding interleaving complicates the ... -
Modeling of small wind turbines based on PMSG with diode bridge for sensorless maximum power tracking
The Permanent Magnet Synchronous Generator (PMSG) with diode bridge is frequently used in small Wind Energy Conversion Systems (WECS). This configuration is robust and cheap, and therefore suitable for small WECS. In order ... -
On the stability of advanced power electronic converters: the Generalized Bode Criterion
A key factor in the design of power electronic converters is the development of control systems and, in particular, the determination of their stability. Due to ease of application, the Bode criteria are currently the most ... -
Parameter-independent battery control based on series and parallel impedance emulation
Appropriate voltage control is essential in order to extend the useful life of a battery. However, when universal chargers are used, the design of this control becomes more complicated, given the fact that the battery ... -
Parameter-independent control for battery chargers based on virtual impedance emulation
An effective battery voltage regulation is fundamental to extend battery lifetime and to avoid overvoltage. However, the design of this regulation is complicated due to the wide battery impedance range, which, when dealing ... -
Power angle-frequency droop control to enhance transient stability of grid-forming inverters under voltage dips
Due to the replacement of synchronous generators, grid operators are currently demanding to control grid-connected inverters in grid–forming mode to make them participate in the maintenance of the grid. To carry this ... -
Robust multisampled capacitor voltage active damping for grid-connected power converters
The derivative feedback of the capacitor voltage is one of the most extended active damping strategies, used to eliminate stability problems in grid-connected power converters with an LCL filter. This strategy is equivalent ... -
Small wind turbines sensorless MPPT: robustness analysis and lossless approach
The configuration Permanent Magnet Synchronous Generator (PMSG) with diode bridge is frequently used in small Wind Energy Conversion Systems (WESC) thanks to its reliability and low cost. In order to perform a sensorless ... -
State-of-charge-based droop control for stand-alone AC supply systems with distributed energy storage
The droop method is an advantageous technique for stand-alone AC supply systems, allowing for power sharing among various inverters with no need for communication cables. However, in stand-alone systems with multiple ...