Rectifier-to-inverter connection through long DC cable - part II: The complete copper economy characterization. - João Américo de Castro Junior; Helder de Paula; Braz de Jesus Cardoso Filho; Anderson V. Rocha (IAS, 2011)

Increasing long belt-conveyors availability by using fault-resilient medium voltage AC drives. - Anderson V. Rocha; Gleisson J. Franca; Manoel E. dos Santos; Helder de Paula; Braz de Jesus Cardoso Filho (IAS, 2011)

Increasing long belt-conveyors availability by using fault-resilient medium voltage AC drives: Part II - Reliability and maintenance assessment. - Anderson V. Rocha; Helder de Paula; Manoel E. dos Santos; Braz de Jesus Cardoso Filho (IAS, 2012)

Premature wear and recurring bearing failures in an inverter driven induction motor - Part I: Investigation of the problem. - R. S. Araujo; Romero de Souza Araújo; Helder de Paula; Lane Maria Rabelo Baccarini; Anderson V. Rocha (IAS, 2013)

Premature wear and recurring bearing failures in an inverter driven induction motor - Part II: The proposed solution. - R. S. Araujo; Romero de Souza Araújo; Helder de Paula; Braz de Jesus Cardoso Filho; L. M. R. Baccarini; Anderson V. Rocha (IAS, 2013)

Technical feasibility study for extending the speed limit of a continuous steel production line aiming at increasing its productivity. - Ronaldo de Araujo Rodrigues; Romero de Souza Araújo; Helder de Paula; Braz de Jesus Cardoso Filho; Luciano Coutinho Gomes (IAS, 2013)

Driving AC motors through long distances with DC transmission: Experimental results. - Helder de Paula; Wellington P. de Almeida; Philipe Pereira; Anderson V. Rocha; Braz de Jesus Cardoso Filho (IAS, 2014)

Analysis of high frequency phenomena in medium-power photovoltaic systems. - Philipe Pereira; Helder de Paula; Braz de Jesus Cardoso Filho; Jose A. S. Brito; Anderson V. Rocha (IAS, 2014)

Motor drive systems reliability: Impact of the environment conditions on the electronic component failure rates. - Frederico A. L. Souza; P. C. T. Pereira; Helder de Paula; Braz de Jesus Cardoso Filho; Anderson V. Rocha (IAS, 2014)

Fault-tolerant medium-voltage power converters for high-capacity belt conveyor systems. - Anderson Vagner Rocha; Braz de Jesus Cardoso Filho; Igor Amariz Pires; Helder de Paula (IECON, 2014)

Employing DC transmission in long distance AC motor drives: Analysis of the copper economy and power losses reduction in mining facilities. - Vinicius Cardoso de Paula; Helder de Paula (IAS, 2015)

Influence of environmental aspects upon the reliability of motor drive systems: Evaluation based on fuzzy rules. - Frederico A. L. Souza; Helder de Paula; Anderson V. Rocha (IAS, 2015)

Challenges in using the physics-of-failure approach in practical applications. - Nayara G. N. Irias; Frederico A. L. Souza; Helder de Paula; Leonardo Adolpho R. Silva (IAS, 2017)

Positioning error estimation of steel strips in Steckel rolling process using digital image processing. - Aline de Faria Lemos; Leonardo Adolpho Rodrigues da Silva; Edgar Campos Furtado; Helder de Paula (IAS, 2017)

Experimental investigation of magnetic field shielding techniques and resulting current derating of underground power cables. - Diogo S. C. Souza; Carlos E. F. Caetano; Helder de Paula; Ivan J. S. Lopes; Wallace C. Boaventura; Jose O. S. Paulino; Marco T. A. Êvo (IAS, 2017)

Cable parameter calculation for typical industrial installation methods and high-frequency studies. - Warley L. de Souza; Helder de Paula; Alberto De Conti; Renato Cardoso Mesquita (IAS, 2017)

A New Industrial Cable System Parameter Calculation Methodology Based on 3D Finite Element Analysis. - André M. Alzamora; Hélder de Paula (IAS, 2020)

Analysis and Solution of the Luminosity Variations in a Steelmaking Industry Caused by the Operation of a Flying Shear. - Thiago Martins Firmo; Hélder de Paula (IAS, 2020)

Discussion on the Reliability of Inverters Operating in Hostile Environments. - Caio Eduardo Silva; Hélder de Paula; Francisco de Assis Dias; Luciano Coutinho Gomes (IAS, 2020)

Matrix Converters: Evaluation of a Technique for the Common Mode Voltage Reduction Aimed at Long Cable Motor Drive Systems. - André M. Alzamora; Isabela Oliveira Zaparoli; Marco T. A. Êvo; Caio Eduardo Silva; Hélder de Paula (IAS, 2021)

Inverter-induced bearing currents - A thorough study of the cause-and-effect chains. - Marco T. A. Êvo; André M. Alzamora; Isabela Oliveira Zaparoli; Hélder de Paula (IAS, 2021)

Broad Comparison of Multilevel Inverter Topologies Operating in Hostile Environments: DC Transmission Applicability and Feasibility. - Caio Eduardo Silva; André M. Alzamora; Hélder de Paula (IAS, 2021)

Reliability of Industrial Drive Systems: A Review on Inter‑Turn Short‑Circuit Detection in DTC Driven Motors. - Isabela Oliveira Zaparoli; Marco Túlio Alves Êvo; Hélder de Paula (IAS, 2021)

Early Fault Detection in FOC Driven Induction Motors: A Case Study. - Isabela Oliveira Zaparoli; Arismar M. G. Júnior; Marco Túlio Alves Êvo; Diogo S. C. Souza; Hélder de Paula (IEEE Access, 2024)