Davalos Hernandez, Fernando
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Preferred name
Davalos Hernandez, Fernando
Official Name
Dávalos Hernández, Fernando
Alternative Name
fdavalos
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ORCID
Scopus Author ID
57210928044
Researcher ID
DSI-5161-2022

Research Output

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Improvements on signal-to-noise ratio in feedback measurement in DC/DC converters

2020 , Davalos Hernandez, Fernando , Federico Ibanez , Gutiérrez, Sebastián , Wilmar Martinez

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A Comparative Study of Energy Storage Systems based on Modular Multilevel Converters

2021 , Davalos Hernandez, Fernando , Federico Ibanez , Rahim Samanbakhsh , Velázquez, Ramiro

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A Novel Non-Coupled Non-Isolated Double-Input Bidirectional High-Gain Converter for Hybrid Energy Storage System

2019 , Parham Mohammadi , Rahim Samanbakhsh , Davalos Hernandez, Fernando , Peyman Koohi , Federico Ibanez

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Self-Balancing Supercapacitor Energy Storage System Based on a Modular Multilevel Converter

2022 , Davalos Hernandez, Fernando , Rahim Samanbakhsh , Federico Martin Ibanez , Fernando Martin

Energy Storage Systems (ESS) are an attractive solution in environments with a high amount of renewable energy sources, as they can improve the power quality in such places and if required, can extend the integration of more renewable sources of energy. If a large amount of power is needed, then supercapacitors are viable energy storage devices due to their specific power, allowing response times that are in the range of milliseconds to seconds. This paper details the design of an ESS that is based on a modular multilevel converter (MMC) with bidirectional power flow, which reduces the number of cascaded stages and allows the supercapacitors SCs to be connected to the grid to perform high-power transfers. A traditional ESS has four main stages or subsystems: the energy storage device, the balancing system, and the DC/DC and DC/AC converters. The proposed ESS can perform all of those functions in a single circuit by adopting an MMC topology, as each submodule (SM) can self-balance during energy injection or grid absorption. This article analyses the structure in both power flow directions and in the control loops and presents a prototype that is used to validate the design.

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Optimal number of supercapacitors per submodule in the energy storage system based on a modular multilevel converter with embedded balance control

2024 , Davalos Hernandez, Fernando , Sergei Parsegov , Rosas-Caro, Julio , Pallavee Bhatnagar , Federico Martin Ibanez

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A Dual-Input High-Gain Bidirectional DC/DC Converter for Hybrid Energy Storage Systems in DC Grid Applications

2021 , Davalos Hernandez, Fernando , Rahim Samanbakhsh , Parham Mohammadi , Federico Martin Ibanez

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Publication

Self-Balancing Supercapacitor Energy Storage System Based on a Modular Multilevel Converter

2022 , Davalos Hernandez, Fernando , Rahim Samanbakhsh , Federico Martin Ibanez , Fernando Martin

Energy Storage Systems (ESS) are an attractive solution in environments with a high amount of renewable energy sources, as they can improve the power quality in such places and if required, can extend the integration of more renewable sources of energy. If a large amount of power is needed, then supercapacitors are viable energy storage devices due to their specific power, allowing response times that are in the range of milliseconds to seconds. This paper details the design of an ESS that is based on a modular multilevel converter (MMC) with bidirectional power flow, which reduces the number of cascaded stages and allows the supercapacitors SCs to be connected to the grid to perform high-power transfers. A traditional ESS has four main stages or subsystems: the energy storage device, the balancing system, and the DC/DC and DC/AC converters. The proposed ESS can perform all of those functions in a single circuit by adopting an MMC topology, as each submodule (SM) can self-balance during energy injection or grid absorption. This article analyses the structure in both power flow directions and in the control loops and presents a prototype that is used to validate the design.

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