Explanipedia

Integrated Magnetic Choke Solutions for Compact Passive Electromagnetic Interference Filters Open

Bellamkonda Dwiza, Samarjeet Singh, Naga Brahmendra Yadav Gorla, Kalaiselvi Jayaraman, Josep Pou · 2025

Multi-Objective Controller Design for Grid-Following Converters With Easy Transfer Reinforcement Learning Open

Yu Zeng, Shan Jiang, Georgios Konstantinou, Josep Pou, Guibin Zou , et al. · 2025

Physics-Informed Deep Transfer Reinforcement Learning Method for the Input-Series Output-Parallel Dual Active Bridge-Based Auxiliary Power Modules in Electrical Aircraft Open

Yu Zeng, Ziheng Xiao, Qingxiang Liu, Gaowen Liang, Ezequiel Rodriguez Ramos , et al. · 2024

Comparison of adaptive droop strategies for intermittent energy sources in emergency islanded operation Open

Candelaria Utrilla, Vincent Debusschere, Jérôme Buire, Hossein Dehghani Tafti, Josep Pou , et al. · 2024

Islanded operation is a key tool to improve the reliability and operational resilience of distribution grids. To enable islanded operation with minimal hardware changes, it is convenient to operate already installed PV units in droop-contr…

Distributed Power Reserve Control in Grid-Connected Cascaded H-Bridge Converter-Based Photovoltaic Systems Open

Mina Haghighat, Hossein Dehghani Tafti, Mehdi Gholipour, Mehdi Niroomand, Christopher D. Townsend , et al. · 2024

Grid-connected photovoltaic (PV) systems enhance grid stability during frequency fluctuations by adopting power reserve control (PRC) and contributing to frequency regulation. The cascaded H-bridge (CHB) converter is a suitable choice for …

Flexible Power Point Tracking Aided Power Ramp Rate Control for Photovoltaic Systems With Small Energy Storage Capacity Open

Hein Wai Yan, Gaowen Liang, Neha Beniwal, Ezequiel Rodríguez, Glen G. Farivar , et al. · 2023

Solar photovoltaic (PV) power generation inherently fluctuates due to erratic weather conditions. Although an energy storage system (ESS) can effectively mitigate these fluctuations, conventional methods require a large ESS capacity to con…

Conclusions. L’assentament d’Alorda Park dins de la dinàmica històrica de l’edat del ferro a la costa centremeridional de Catalunya Open

Ramón Álvarez, David Asensio i Vilaró, MARIA DEL CARMEN BELARTE FRANCO, Rafel Jornet Niella, DAVID LÓPEZ-REYES , et al. · 2023

se'n faci un ús comercial, ni lucratiu, ni cap obra derivada.

Conclusions. Le site d’Alorda Park dans le cadre de la dynamique historique de l’Âge du fer sur la côte centre-sud de la Catalogne Open

Ramón Álvarez, David Asensio i Vilaró, MARIA DEL CARMEN BELARTE FRANCO, Rafel Jornet Niella, DAVID LÓPEZ-REYES , et al. · 2023

se'n faci un ús comercial, ni lucratiu, ni cap obra derivada.

El tractament postexcavació de les restes constructives Open

Ramón Álvarez, David Asensio i Vilaró, MARIA DEL CARMEN BELARTE FRANCO, Rafel Jornet Niella, DAVID LÓPEZ-REYES , et al. · 2023

se'n faci un ús comercial, ni lucratiu, ni cap obra derivada.

A Power Ramp Rate Control Strategy with Reduced Energy Storage Utilization for Grid-Connected Photovoltaic Systems Open

Hein Wai Yan, Neha Beniwal, Glen G. Farivar, Josep Pou · 2023

Fluctuations in photovoltaic (PV) power generation are inevitable due to intermittent irradiance transients. These power fluctuations, when injected into the grid in grid-connected PV systems, can have a negative impact on grid stability. …

Comparative Analysis of Power Ramp Rate Control Strategies for Photovoltaic Systems Open

Hein Wai Yan, Gaowen Liang, Ezequiel Rodríguez, Neha Beniwal, Glen G. Farivar , et al. · 2023

Intermittent changes in irradiance caused by passing clouds inevitably lead to fluctuations in photovoltaic (PV) power generation. To ensure the stability of a power grid with integrated solar PV generation, a battery energy storage system…

Low-Capacitance Solid-State Transformer Control Using an Analytic Filter Open

Radhika Sarda, Ezequiel Rodríguez, Naga Brahmendra Gorla Yadav, Glen G. Farivar, Josep Pou , et al. · 2023

In the modular three-stage solid-state transformer (SST), each phase is integrated with large dc-link capacitors as energy buffers, to filter the second harmonic capacitor voltage ripple generated due to single-phase power processing. Alth…

Adaptive power system frequency support from distributed photovoltaic systems Open

Hossein Dehghani Tafti, Georgios Konstantinou, Qiyang Lei, John Fletcher, Glen G. Farivar , et al. · 2023

A simplified model of flexible power point tracking algorithms in double-stage photovoltaic systems Open

Candelaria Utrilla, Hossein Dehghani Tafti, Anusha Kumaresan, Jérôme Buire, Vincent Debusschere , et al. · 2023

Data-Driven Modeling With Experimental Augmentation for the Modulation Strategy of the Dual-Active-Bridge Converter Open

Xinze Li, Josep Pou, Jiaxin Dong, Fanfan Lin, Changyun Wen , et al. · 2023

For the performance modeling of power converters, the mainstream approaches\nare essentially knowledge-based, suffering from heavy manpower burden and low\nmodeling accuracy. Recent emerging data-driven techniques greatly relieve human\nre…

L’impacte de la implantació romana entre les comunitats lacetanes i traces de presència itàlica a la zona durant el segle II aC (Sant Miquel de Sorba i Castellvell d’Olius) Open

David Asensio, Ramón Cardona, Jordi Morer, Borja Gil, Francisco José Cantero , et al. · 2023

Les excavacions del Centre d’Estudis Lacetans (CEL) als jaciments de Sant Miquel de Sorba i Castellvell d’Olius han permès obtenir noves dades sobre el període ibèric tardà al territori lacetà. Es tracta d’assentaments amb una ocupació int…

A 5-Level HERIC Active-Clamped Inverter With Full Reactive Power Capability for Grid-Connected Applications Open

Yaroslav Y. Syasegov, Majid Farhangi, Reza Barzegarkhoo, Yam P. Siwakoti, Li Li , et al. · 2023

Distributed generation systems integrated into the modern electrical grid demand novel circuit architectures that can combine high efficiency and high power density together. The transformerless highly efficient and reliable inverter conce…

Hybrid Duty Ratio Phase-Shift Modulation for a Si + SiC Neutral-Point-Clamped Dual-Active-Bridge Converter Open

Jiaxin Dong, Josep Pou, Xinze Li, Suvajit Mukherjee, Amit Kumar Gupta , et al. · 2023

The neutral-point-clamped (NPC) dual-active-bridge (DAB) converter with hybrid semiconductors (Si and SiC devices) is a promising topology for high-power energy storage systems. The triple-phase-shift (TPS) modulation can achieve high effi…

Decoupled Discontinuous Modulation for Cascaded H-Bridge StatCom with Star Configuration Open

Qingxiang Liu, Ezequiel Rodríguez, Glen G. Farivar, Josep Pou, Christopher D. Townsend , et al. · 2022

This paper presents a novel zero-sequence voltage injection method for discontinuous modulation (DM) in star-connected cascaded H-bridge (CHB) static compensators (StatComs). Conventional DM methods in CHB StatComs suffer from control inte…

Battery Lifetime Extension in a Stand-Alone Microgrid With Flexible Power Point Tracking of Photovoltaic System Open

Hein Wai Yan, Glen G. Farivar, Neha Beniwal, Hossein Dehghani Tafti, Salvador Ceballos , et al. · 2022

In stand-alone dc microgrids, battery energy storage systems (BESSs) are conventionally used for regulating the dc-link voltage, causing a continuous battery operation. Though operating the photovoltaic (PV) system at its maximum power poi…

Grid-Connected Energy Storage Systems: State-of-the-Art and Emerging Technologies Open

Glen G. Farivar, William Manalastas, Hossein Dehghani Tafti, Salvador Ceballos, Alain Sanchez-Ruiz , et al. · 2022

High penetration of renewable energy resources in the power system results in various new challenges for power system operators. One of the promising solutions to sustain the quality and reliability of the power system is the integration o…

DC Shipboard Microgrids With Constant Power Loads: A Review of Advanced Nonlinear Control Strategies and Stabilization Techniques Open

Mustafa Alrayah Hassan, Chun‐Lien Su, Josep Pou, Giorgio Sulligoi, Dhafer Almakhles , et al. · 2022

In modern dc shipboard microgrid (SMG) systems, the propulsion motors and hotel loads are always supplied through tightly regulated point of load converters, which behave as constant power loads (CPLs). The negative incremental impedance d…

Review, Classification and Loss Comparison of Modular Multilevel Converter Submodules for HVDC Applications Open

Yumeng Tian, Harith R. Wickramasinghe, Zixin Li, Josep Pou, Georgios Konstantinou · 2022

The circuit topology of a submodule (SM) in an modular multilevel converter (MMC) defines many of the functionalities of the complete power electronics conversion system and the specific applications that a specific MMC configuration can s…

A Novel Fault-Tolerant Operation Approach for the Modular Multilevel Converter-Based STATCOM With the Enhanced Operation Capability Open

Yu Jin, Qian Xiao, Josep Pou, Hongjie Jia, Yanchao Ji , et al. · 2022

The operation capability of the modular multilevel converter (MMC)-based static synchronous compensator (STATCOM) is limited under submodule (SM) failures. When running in the STATCOM mode, the floating dc-link voltage of the MMC is adjust…

Beyond the MMC: Extended Modular Multilevel Converter Topologies and Applications Open

Pingyang Sun, Yumeng Tian, Josep Pou, Georgios Konstantinou · 2022

The unique advantages of modular multilevel converters (MMCs) have led to wide adoption of the converter topology in high voltage dc (HVDC) transmission systems, with great potential for use in medium voltage motor drive and dc grid applic…

Unbalanced Active Power Distribution of Cascaded Multilevel Converter-Based Battery Energy Storage Systems Open

Gaowen Liang, Glen G. Farivar, Salvador Ceballos, Hossein Dehghani Tafti, Josep Pou , et al. · 2021

In a battery energy storage system (BESS) based on the cascaded H-bridge (CHB) converter or modular multilevel converter (MMC), the active power distribution among the submodules (SMs) can be highly unbalanced, especially when batteries wi…

Fuzzy Lifetime Analysis of a Fault-Tolerant Two-Phase Interleaved\n Converter Open

Tohid Rahimi, Masoud Farhadi, K. H. Loo, Josep Pou · 2021

Interleaved converters are used in photovoltaic (PV) applications to handle\nhigh power conditions with high reliability. To improve the reliability of\nthese converters, redundant switch configuration can be employed which reduce\nthe fai…

Fuzzy Lifetime Analysis of a Fault-Tolerant Two-Phase Interleaved Converter Open

Tohid Rahimi, Masoud Farhadi, K. H. Loo, Josep Pou · 2021

Interleaved converters are used in photovoltaic (PV) applications to handle high power conditions with high reliability. To improve the reliability of these converters, redundant switch configuration can be employed which reduce the failur…

Battery Fault Tolerance of Modular Multilevel Converter-Based Battery Energy Storage Systems with Redundant Submodules Open

Gaowen Liang, Glen G. Farivar, Naga Brahmendra Yadav Gorla, Ezequiel Rodríguez, Josep Pou · 2021

In a modular multilevel converter (MMC) based battery energy storage system (BESS), a fault tolerant design ensures uninterrupted operation of the MMC when a given number of submodules (SMs) have faulty batteries or no batteries. This pape…

Comparative Study of Coordinated Photovoltaic and Battery Control Strategies on the Battery Lifetime in Stand-Alone DC Microgrids Open

Hein Wai Yan, Glen G. Farivar, Neha Beniwal, Naga Brahmendra Yadav Gorla, Hossein Dehghani Tafti , et al. · 2021

Battery energy storage systems (BESSs) are often integrated into stand-alone dc microgrids (dcMGs) with photovoltaic (PV) system to enhance the microgrid reliability and prevent the dc bus voltage instability arising from PV power generati…

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