World's Best Scientists 2026 revealed!

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
37
Citations
5876
World Ranking
5120
National Ranking
20

Overview

Walmir Freitas is affiliated with the State University of Campinas in Brazil and has focused their research primarily in the field of Engineering, with particular emphasis on Electrical and Electronic Engineering and Control and Systems Engineering.

Their research covers a number of key topics within power systems and smart grid technologies. Major areas of work include:

  • Smart Grid Energy Management
  • Microgrid Control and Optimization
  • Power Quality and Harmonics
  • Electric Vehicles and Infrastructure
  • Optimal Power Flow Distribution
  • Electricity Theft Detection Techniques
  • Advanced Battery Technologies Research

Freitas has published extensively in various scientific venues. The most frequent publication platforms for their work are:

  • IEEE Transactions on Power Delivery
  • 2022 IEEE Power & Energy Society General Meeting (PESGM)
  • IET Generation Transmission & Distribution
  • Electric Power Systems Research
  • IEEE Open Access Journal of Power and Energy

Among recent publications, notable papers include:

  • "Automated Determination of Topology and Line Parameters in Low Voltage Systems Using Smart Meters Measurements," 2020, IEEE Transactions on Smart Grid
  • "Non-Technical Loss Identification by Using Data Analytics and Customer Smart Meters," 2020, IEEE Transactions on Power Delivery
  • "Use of EV hosting capacity for management of low-voltage distribution systems," 2020, IET Generation Transmission & Distribution
  • "On the Potential of ChatGPT to Generate Distribution Systems for Load Flow Studies Using OpenDSS," 2023, IEEE Transactions on Power Systems
  • "Regional-scale allocation of fast charging stations: travel times and distribution system reinforcements," 2020, IET Generation Transmission & Distribution

Freitas frequently collaborates with several researchers in their field. Among their most common co-authors are:

  • Ricardo Torquato
  • Fernanda C. L. Trindade
  • Vinicius C. Cunha
  • Andrés Argüello
  • José C. G. Andrade

Best Publications

  • Comparative analysis between ROCOF and vector surge relays for distributed generation applications

    W. Freitas;Wilsun Xu;C.M. Affonso;Zhenyu Huang

  • Three-phase doubly fed induction generators: an overview

    M. Tazil;V. Kumar;R.C. Bansal;S. Kong

  • A Comprehensive Assessment of PV Hosting Capacity on Low-Voltage Distribution Systems

    Ricardo Torquato;Diogo Salles;Caio Oriente Pereira;Paulo Cesar Magalhaes Meira

  • Comparative analysis between synchronous and induction machines for distributed generation applications

    W. Freitas;J.C.M. Vieira;A. Morelato;L.C.P. da Silva

  • An investigation on the selection of filter topologies for passive filter applications

    Alexandre Nassif;Wilsun Xu;Walmir Freitas

  • Method for determining the maximum allowable penetration level of distributed generation without steady-state voltage violations

    H.M. Ayres;W. Freitas;M.C. De Almeida;L.C.P. Da Silva

  • Fault location in distribution systems based on smart feeder meters

    Fernanda Trindade;Walmir Freitas;Jose Carlos de Melo Vieira

  • Performance of frequency relays for distributed generation protection

    J.C.M. Vieira;W. Freitas;Wilsun Xu;A. Morelato

  • Efficient coordination of ROCOF and frequency relays for distributed generation protection by using the application region

    J.C.M. Vieira;W. Freitas;Wilsun Xu;A. Morelato

  • A practical method for assessing the effectiveness of vector surge relays for distributed generation applications

    W. Freitas;Zhenyu Huang;Wilsun Xu

  • Impacts of AC Generators and DSTATCOM devices on the dynamic performance of distribution systems

    W. Freitas;A. Morelato;Wilsun Xu;F. Sato

  • Assessing the Collective Harmonic Impact of Modern Residential Loads—Part I: Methodology

    D. Salles;Chen Jiang;W. Xu;W. Freitas

  • A Monte Carlo simulation platform for studying low voltage residential networks

    Ricardo Torquato;Qingxin Shi;Wilsun Xu;Walmir Freitas

  • Performance of ROCOF relays for embedded generation applications

    C.M. Affonso;W. Freitas;W. Xu;L.C.P. da Silva

  • An Investigation on the Nondetection Zones of Synchronous Distributed Generation Anti-Islanding Protection

    J.C.M. Vieira;W. Freitas;Wilsun Xu;A. Morelato

  • Low Voltage Zones to Support Fault Location in Distribution Systems With Smart Meters

    Fernanda C. L. Trindade;Walmir Freitas

  • Influence of excitation system control modes on the allowable penetration level of distributed synchronous generators

    W. Freitas;J.C.M. Vieira;A. Morelato;W. Xu

  • Formulas for predicting the dynamic performance of ROCOF relays for embedded generation applications

    J.C. M. Vieira;Walmir Freitas;Zhenyu Huang;Wilsun Xu

  • Utility Harmonic Impedance Measurement Based on Data Selection

    Jin Hui;W. Freitas;J. C. M. Vieira;Honggeng Yang

  • An Analytical Method for Analysis of Large-Disturbance Stability of Induction Generators

    A.P. Grilo;A.d.A. Mota;L.T.M. Mota;W. Freitas

  • Phase-decoupled method for three-phase power-flow analysis of unbalanced distribution systems

    Jcm Vieira;W Freitas;A Morelato

Frequent Co-Authors

Wilsun Xu
Wilsun Xu University of Alberta
Ahmed F. Zobaa
Ahmed F. Zobaa Brunel University London
Venkata Dinavahi
Venkata Dinavahi University of Alberta
Zhenyu Huang
Zhenyu Huang Pacific Northwest National Laboratory
Surya Santoso
Surya Santoso The University of Texas at Austin
Ramesh C. Bansal
Ramesh C. Bansal University of Sharjah
Luis F. Ochoa
Luis F. Ochoa University of Melbourne
Marcelo Godoy Simões
Marcelo Godoy Simões University of Vaasa
Lingling Fan
Lingling Fan University of South Florida
Peter Palensky
Peter Palensky Delft University of Technology

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