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Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter (2023)
Journal Article
Mir, T. N., Singh, B., Bhat, A. H., Rivera, M., & Wheeler, P. (2023). Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter. IEEE Open Journal of Industry Applications, 4, 178-187. https://doi.org/10.1109/ojia.2023.3279776

This article presents an alternative ac–ac converter topology and its control for low-speed three-phase induction motor drives fed from single-phase ac mains. The proposed matrix converter based drive system eliminates the dc link capacitor, thus fac... Read More about Single-Phase Mains Fed Three-Phase Induction Motor Drive Using Improved Power Quality Direct AC–AC Converter.

A Study on Molecular Dynamics of High Voltage Pulsed Electrolysis (2023)
Presentation / Conference Contribution
Albornoz, M., Rivera, M., Wheeler, P., & Zanchetta, P. (2023). A Study on Molecular Dynamics of High Voltage Pulsed Electrolysis. In 2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia) (3430-3437). https://doi.org/10.23919/ICPE2023-ECCEAsia54778.2023.10213763

Electrolysis has been considered to be an interesting research topic in recent decades. With the important advances in controllable solid-state semiconductor devices, it has become relatively simple to design power converters with high voltage and hi... Read More about A Study on Molecular Dynamics of High Voltage Pulsed Electrolysis.

A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization (2023)
Journal Article
Aliaga, R., Muñoz, J., Rivera, M., Wheeler, P., Rohten, J., & Trentin, A. (2023). A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization. IEEE Access, 11, 50075-50089. https://doi.org/10.1109/ACCESS.2023.3278099

Solar energy can be captured by Photovoltaics (PV) and converted into electrical power. This electrical power can then be connected to grids by power electronic converters, which can also operate the PV panels at around their maximum power point (MPP... Read More about A Single Phase Hybrid Multiport Microinverter for Photovoltaic Energy Controlled by Exact Linearization.

Comparison of FCS-MPC Strategies in a Grid-Connected Single-Phase Quasi-Z Source Inverter (2023)
Journal Article
Saavedra, J. L., Baier, C. R., Marciel, E. I., Rivera, M., Carreno, A., Hernandez, J. C., & Melín, P. E. (2023). Comparison of FCS-MPC Strategies in a Grid-Connected Single-Phase Quasi-Z Source Inverter. Electronics, 12(9), Article 2052. https://doi.org/10.3390/electronics12092052

This paper compares two finite-control-set model predictive control (FCS-MPC) strategies in the context of a grid-connected single-phase quasi-Z source inverter (SP-qZSI). Both schemes use discrete-time models of the inductor current and capacitor vo... Read More about Comparison of FCS-MPC Strategies in a Grid-Connected Single-Phase Quasi-Z Source Inverter.

Application of Spectrometry for Determining the Solar Radiation of Deciduous Trees’ Shade: A Passive Energy Conservation Approach for Mediterranean Climates (2023)
Journal Article
del Campo-Hitschfeld, M. L., Arenas, N., Rivera, M., & Ballesteros-Pérez, P. (2023). Application of Spectrometry for Determining the Solar Radiation of Deciduous Trees’ Shade: A Passive Energy Conservation Approach for Mediterranean Climates. Buildings, 13(5), Article 1130. https://doi.org/10.3390/buildings13051130

Deciduous trees are well known for controlling solar gains in buildings, contributing to energy savings in a sector that consumes 35% of global energy. However, there is still a lack of information about the real thermal impact that deciduous trees h... Read More about Application of Spectrometry for Determining the Solar Radiation of Deciduous Trees’ Shade: A Passive Energy Conservation Approach for Mediterranean Climates.

A Review of Communication Protocols and Control Strategies in DC Microgrids: An experimental validation focus (2023)
Presentation / Conference Contribution
Véliz, A., Riffo, S., Rivera, M., Restrepo, C., Garcés-Ruiz, A., & Chub, A. (in press). A Review of Communication Protocols and Control Strategies in DC Microgrids: An experimental validation focus.

Given the growing presence of microgrids, it is necessary to investigate how communication protocols impact their behavior. The study of DC microgrid topologies is of great importance due to their fast proliferation and the fact that they allow for q... Read More about A Review of Communication Protocols and Control Strategies in DC Microgrids: An experimental validation focus.

New Hysteresis FCS-MPC AC Current Controller With Disturbance Estimator (2023)
Journal Article
Stojić, D., & Rivera, M. (2023). New Hysteresis FCS-MPC AC Current Controller With Disturbance Estimator. Electrical Engineering, https://doi.org/10.1007/s00202-023-01812-8

In this paper, a modification is proposed in the conventional finite control set model predictive controller (FCS-MPC) applied in the three-phase voltage source inverter's (VSI's) output current control with resistive-inductive (RL) load. It comprise... Read More about New Hysteresis FCS-MPC AC Current Controller With Disturbance Estimator.

High Pulsed Voltage Alkaline Electrolysis for Water Splitting (2023)
Journal Article
Albornoz, M., Rivera, M., Wheeler, P., & Ramírez, R. (2023). High Pulsed Voltage Alkaline Electrolysis for Water Splitting. Sensors, 23(8), Article 3820. https://doi.org/10.3390/s23083820

Pulsed electrolysis has become a promising research topic in recent decades due to advances in solid-state semiconductor devices. These technologies have enabled the design and construction of simpler, more efficient, and less costly high-voltage and... Read More about High Pulsed Voltage Alkaline Electrolysis for Water Splitting.

Alternative Feedback Quantizer Using Space Vector Modulation (2023)
Presentation / Conference Contribution
Veillon, M., Espinosa, E., Lizana, R., Melin, P., Mirzaeva, G., Rivera, M., & Sepulveda, N. (2023). Alternative Feedback Quantizer Using Space Vector Modulation. In 2023 IEEE International Conference on Industrial Technology (ICIT). https://doi.org/10.1109/ICIT58465.2023.10143170

Feedback Quantizer (FBQ) is a closed-loop modulation scheme with low harmonic content at low frequency and good tracking of the voltage reference at fundamental frequency. A good modulation scheme to be applied in transformer dependent systems that a... Read More about Alternative Feedback Quantizer Using Space Vector Modulation.

Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution (2023)
Journal Article
Pérez, R., Rivera, M., Salgueiro, Y., Baier, C. R., & Wheeler, P. (2023). Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution. Sensors, 23(7), Article 3395. https://doi.org/10.3390/s23073395

Software Defined Networking (SDN) is a communication alternative to increase the scalability and resilience of microgrid hierarchical control. The common architecture has a centralized and monolithic topology, where the controller is highly susceptib... Read More about Moving Microgrid Hierarchical Control to an SDN-Based Kubernetes Cluster: A Framework for Reliable and Flexible Energy Distribution.

New Generalized Circuits for Single-Phase Multisource Multilevel Power Inverter Topologies (2023)
Journal Article
Hosseinzadeh, M. A., Sarebanzadeh, M., Kennel, R., Babaei, E., & Rivera, M. (2023). New Generalized Circuits for Single-Phase Multisource Multilevel Power Inverter Topologies. IEEE Transactions on Power Electronics, 38(6), 6823-6830. https://doi.org/10.1109/TPEL.2023.3259342

The main objective of this letter is to propose new circuits for multisource multilevel inverters that require fewer power switches. To address the limitations of existing multilevel inverters, which require a high number of power switches and dc vol... Read More about New Generalized Circuits for Single-Phase Multisource Multilevel Power Inverter Topologies.

An Overview of the Colombian Power System (2022)
Presentation / Conference Contribution
Bravo-Lopez, M., Marin, S., Terreros-Barreto, J. R., Garces, A., Molina, A., Rivera, M., & Wheeler, P. (2022). An Overview of the Colombian Power System. In 2022 IEEE International Conference on Automation/XXV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/ICA-ACCA56767.2022.10006289

The Colombian power system is facing a transition from hydro-thermal generation to a diversified mix of hydro, solar, and wind energy. This paper presents an overview of the current situation and the challenges of transitioning to a more sustainable... Read More about An Overview of the Colombian Power System.

Improvement of two grid power factor control methods for matrix converter open-end-winding drive with common-mode voltage elimination supplied by unbalanced grid (2022)
Journal Article
Stanić, L., Ristić, L., Bebić, M., & Rivera, M. (2023). Improvement of two grid power factor control methods for matrix converter open-end-winding drive with common-mode voltage elimination supplied by unbalanced grid. IET Power Electronics, 16(4), 596-611. https://doi.org/10.1049/pel2.12411

This paper investigates space-vector-modulation (SVM) technique that uses only rotating space vectors to drive a direct matrix converter (DMC) with zero common-mode voltage (CMV). Two methods for controlling grid power factor have been proposed in th... Read More about Improvement of two grid power factor control methods for matrix converter open-end-winding drive with common-mode voltage elimination supplied by unbalanced grid.

Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis (2022)
Journal Article
Perez Guzman, R. E., Rivera, M., Wheeler, P., Mirzaeva, G., Espinosa, E. E., & Rohten, J. A. (2022). Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis. IEEE Access, 10, 111389-111405. https://doi.org/10.1109/ACCESS.2022.3215434

Hierarchical control is a widely used strategy that can increase resilience and improve the reliability of the electrical network based on microgrid global variables. Large amounts of data required during transitions prompt the use of more reliable a... Read More about Microgrid Power Sharing Framework for Software Defined Networking and Cybersecurity Analysis.

Predictive Control Applied to Matrix Converters: A Systematic Literature Review (2022)
Journal Article
Toledo, S., Caballero, D., Maqueda, E., Cáceres, J. J., Rivera, M., Gregor, R., & Wheeler, P. (2022). Predictive Control Applied to Matrix Converters: A Systematic Literature Review. Energies, 15(20), Article 7801. https://doi.org/10.3390/en15207801

Power electronic devices play an important role in energy conversion. Among the options, matrix converters, in combination with predictive control, represent a good alternative for the power conversion stage. Although several reviews have been undert... Read More about Predictive Control Applied to Matrix Converters: A Systematic Literature Review.

A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction (2022)
Journal Article
Cheepati, K. R., Rivera, M., Wheeler, P., Subburaj, V., Krishnan, S., Babu Daram, S., & Amaresh, K. (2022). A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction. Journal of Circuits, Systems, and Computers, 31(10), Article 2250174. https://doi.org/10.1142/s0218126622501742

Shunt active filters (SAFs) can be used for harmonic mitigation, reactive power compensation and power factor control in electrical distribution networks. Model predictive controller (MPC) can be used to give optimum performance for SAF's due to its... Read More about A Two-Step Horizon Optimum Switching Vector-Model Predictive Control with a Novel Shunt Active Filter Reference Current Extraction.

A study of weighting factor design in model predictive control applications (2022)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Munoz, J., Baier, C., & Wheeler, P. (2022). A study of weighting factor design in model predictive control applications. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON). https://doi.org/10.1109/chilecon54041.2021.9702932

Weighting factor selection is considered to be a crucial aspect in the design of a predictive controller. In this paper a study of the design of weighting factors for different cost functions is presented. The study is based on three examples: switch... Read More about A study of weighting factor design in model predictive control applications.

Development of solar energy in Chile and the world (2021)
Presentation / Conference Contribution
Fuentes, R., Rojas, D., Rivera, M., Riveros, J., Munoz, J., Wheeler, P., & Rohten, J. (2021). Development of solar energy in Chile and the world. In 2021 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON). https://doi.org/10.1109/CHILECON54041.2021.9702985

Chile is undoubtedly a country with potential when it comes to solar energy, but to understand this potential it is necessary to review the worldwide situation. This paper presents an analysis of the global situation and the geographic value that all... Read More about Development of solar energy in Chile and the world.

Predictive control techniques applied to a 2L-VSI (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Predictive control techniques applied to a 2L-VSI. . https://doi.org/10.1109/CHILECON54041.2021.9702915

In recent years, Model Based Predictive Control (MPC), applied to power converters, has been successfully presented as an alternative to traditional control techniques due to its fast dynamic response, ability to incorporate various requirements of c... Read More about Predictive control techniques applied to a 2L-VSI.

Cascaded predictive control for a three-phase VSI with different cost functions (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Munoz, J., & Wheeler, P. (2021). Cascaded predictive control for a three-phase VSI with different cost functions. . https://doi.org/10.1109/CHILECON54041.2021.9703077

Predictive control for power converters has been gaining interest as well as popularity in recent years. This paper presents a cascade predictive control for a voltage source inverter which is evaluated with different control objectives to meet a ran... Read More about Cascaded predictive control for a three-phase VSI with different cost functions.