Now showing 1 - 10 of 62
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Large Induction Motor Drive Performance Comparison

2018 , Valderrabano-Gonzalez, Antonio , Rosas-caro, Julio , F. Beltran-Carbajal , I. Lopez-Garcia , Ruben Tapia-Olvera , Hossam A. Gabbar

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Energy Recycling Laboratory Experimental Test Bench for Three-Phase FACTS Devices Prototypes

2019 , Jesus E. Valdez-Resendiz , Mayo Maldonado, Jonathan , Rosas-caro, Julio , Alejo-Reyes, Avelina , Armando Llamas-Terres , Valderrabano-Gonzalez, Antonio , Del-Valle-Soto, Carolina , Valdivia, Leonardo

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A Double Dual Boost Converter with Switching Ripple Cancellation for PEMFC Systems

2020 , Carlos A. Villarreal-Hernandez , Javier Loranca-Coutiño , Mayo Maldonado, Jonathan , Jesus E. Valdez-Resendiz , Pedro M. García-Vite , Valderrabano-Gonzalez, Antonio , Rosas-caro, Julio

This paper presents a current-based control for a proton-exchange membrane fuel cell using the so-called double dual boost topology. In particular, we introduce a discrete time controller that, in coordination with a particular selection of inductors and capacitors, minimizes the switching ripple at the input port (current ripple) and the output port (voltage ripple) of the double dual boost converter. This converter has a particular characteristic, in contrast to the classical interleaved boost topology, in the double dual boost, the phases of the converter can have different duty ratios. The freedom to choose the duty ration for each phase can be used to select the operative point in which the input current is equal to zero. However, if individual controllers are used for each branch of the converter, the equilibrium after a transient can differ from the minimum ripple operation point; the proposed scheme regulates the output voltage and, at the same time, ensures the equilibrium remains in the minimum ripple operation in steady state. In this way, the converter can mitigate the harmonic distortion on the current extracted from the proton-exchange membrane fuel cell, which is beneficial to improve the efficiency and lifetime of the cell, and on the output voltage delivered to an output direct current bus. The results of the experiment are presented to validate the principles of the proposed system.

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Output feedback dynamic tracking excitation control of synchronous generators

2016 , Francisco Beltran‐Carbajal , Antonio Favela‐Contreras , Irvin Lopez‐Garcia , Valderrabano-Gonzalez, Antonio , Rosas-caro, Julio , Victor Manuel Sanchez‐Huerta

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Signal differentiation in position tracking control of dc motors

2015 , F Beltran-Carbajal , Valderrabano-Gonzalez, Antonio , Rosas-caro, Julio

An asymptotic differentiation approach with respect to time is used for on-line estimation of velocity and acceleration signals in controlled dc motors. The attractive feature of this differentiator of signals is that it does not require any system mathematical model, which allows its use in engineering systems that require the signal differentiation for its control, identification, fault detection, among other applications. Moreover, it is shown that the differentiation approach can be applied for output signals showing a chaotic behavior. In addition a differential flatness control scheme with additional integral compensation of the output error is proposed for tracking tasks of position reference trajectories for direct current electric motors using angular position measurements only.

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Quadratic buck-boost converter with positive output-voltage and continuous input-current

2018 , Rosas-caro, Julio , Victor M. Sanchez , Jesus E. Valdez-Resendiz , Mayo Maldonado, Jonathan , Francisco Beltran-Carbajal , Valderrabano-Gonzalez, Antonio

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DC-DC multiplier boost converter with resonant switching

2015 , Rosas-caro, Julio , Mayo Maldonado, Jonathan , Valderrabano-Gonzalez, Antonio , Francisco Beltran-Carbajal , Juan Manuel Ramirez-Arredondo , Juan Ramon Rodriguez-Rodriguez

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Design Methodology for Interfacing DERs to Power Systems through VSC

2021 , Valderrabano-Gonzalez, Antonio , F. Beltran-Carbajal , R. Tapia-Olvera , O. Aguilar-Mejia , Rosas-caro, Julio , David Bigaud

This paper presents a methodology to connect distributed energy resources via an 84-pulse voltage source converter to three-phase system grid or load of standard or nonstandard voltage values. Transfer function blocks are included to illustrate interfacing among converters. The main input-output values to be considered in the application are detailed and the system can be modified to be included in other systems without loss of generality. The definition of the reactive component for supporting grid or load variations without degrading the overall performance is carried by for the DC-DC converter. A control variable for reducing the DC gain is used to improve the settling time. Our proposal defines the capacitive and inductive component values for an operating point and gives the option to reduce them when adding smoothed variations and adaptive controllers.

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Power quality improvement by interleaving unequal switching converters

2016 , Arias-Angulo Juan Pedro , Rosas-caro, Julio , Beltran-Carbajal Francisco , Valderrabano-Gonzalez, Antonio , Haro-Sandoval, Eduardo , Gutiérrez-Alcalá, Salvador , Alejo-Reyes, Avelina , Garcia-Vite Pedro Martin

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Adaptive Control of 3-DOF Delta Parallel Robot

2019 , O. Aguilar-Mejia , J. M. Escorcia-Hernandez , R. Tapia-Olvera , H. Minor-Popocatl , Valderrabano-Gonzalez, Antonio