Personal information

Activities

Employment (1)

Siemens Gamesa Renewable Energy: Brande, DK

Employment
Source: Self-asserted source
Nuno Freire

Education and qualifications (1)

University of Coimbra: Coimbra, PT

PhD (DEEC)
Education
Source: Self-asserted source
Nuno Freire

Works (25)

A Novel Rotor Position-Offset Injection-Based Online Parameter Estimation of Sensorless Controlled Surface-Mounted PMSMs

IEEE Transactions on Energy Conversion
2024-09 | Journal article
Contributors: Z. Q. Zhu; Peng Wang; N. M. A. Freire; Ziad Azar; Ximeng Wu
Source: check_circle
Crossref

Sensorless Based Finite Control Set Model Predictive Current Control of PMSMs With PM Flux-Linkage Immunity

IEEE Transactions on Industry Applications
2024-07 | Journal article
Contributors: Ximeng Wu; Z. Q. Zhu; Peng Wang; Nuno M. A. Freire
Source: check_circle
Crossref

A Novel Space Vector PWM Technique With Duty Cycle Optimization Through Zero Vectors for Dual Three-Phase PMSM

IEEE Transactions on Energy Conversion
2022-12 | Journal article
Contributors: Jin Xu; Milijana Odavic; Zi-Qiang Zhu; Zhan-Yuan Wu; Nuno Freire
Source: check_circle
Crossref

High Frequency Signal Injection Sensorless Control of Finite-Control-Set Model Predictive Control With Deadbeat Solution

IEEE Transactions on Industry Applications
2022-05 | Journal article
Contributors: Ximeng Wu; Zi-Qiang Zhu; Nuno M. A. Freire
Source: check_circle
Crossref

Modulation Restraint Analysis of Space Vector PWM for Dual Three-Phase Machines Under Vector Space Decomposition

IEEE Transactions on Power Electronics
2021-12 | Journal article
Contributors: Jin Xu; Milijana Odavic; Zi-Qiang Zhu; Zhan-Yuan Wu; Nuno M. A. Freire
Source: check_circle
Crossref

Fault Detection and Condition Monitoring of PMSGs in Offshore Wind Turbines

Machines
2021-10-30 | Journal article
Contributors: Nuno M. A. Freire; Antonio J. Marques Cardoso
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Switching-Table-Based Direct Torque Control of Dual Three-Phase PMSMs With Closed-Loop Current Harmonics Compensation

IEEE Transactions on Power Electronics
2021-09 | Journal article
Contributors: Jin Xu; Milijana Odavic; Zi-Qiang Zhu; Zhan-Yuan Wu; Nuno Freire
Source: check_circle
Crossref

A Generalized Decomposition Model of Dual Three-Phase Permanent Magnet Synchronous Machines Considering Asymmetric Impedances and Compensation Capability

IEEE Transactions on Industry Applications
2021-07 | Journal article
Contributors: Jin Xu; Milijana Odavic; Z Zhu; Zhan-Yuan Wu; Nuno Miguel Amaral Freire
Source: check_circle
Crossref

Study on noise and disturbance issues of generalized predictive speed control for permanent magnet synchronous machines

IET Electric Power Applications
2021-01 | Journal article
Contributors: Tao Wang; Zi‐Qiang Zhu; Nuno Miguel Amaral Freire; Zhanyuan Wu; Martin Foster; David A. Stone
Source: check_circle
Crossref

A fault-tolerant direct controlled pmsg drive for wind energy conversion systems

IEEE Transactions on Industrial Electronics
2014 | Journal article
EID:

2-s2.0-84882783389

Contributors: Freire, N.M.A.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

A fault-tolerant PMSG drive for wind turbine applications with minimal increase of the hardware requirements

IEEE Transactions on Industry Applications
2014 | Journal article
EID:

2-s2.0-84901344103

Contributors: Freire, N.M.A.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

A new approach for current sensor fault diagnosis in PMSG drives for wind energy conversion systems

IEEE Transactions on Industry Applications
2014 | Journal article
EID:

2-s2.0-84897131537

Contributors: Freire, N.M.A.; Estima, J.O.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

A voltage-based approach without extra hardware for open-circuit fault diagnosis in closed-loop PWM AC regenerative drives

IEEE Transactions on Industrial Electronics
2014 | Journal article
EID:

2-s2.0-84897402751

Contributors: Freire, N.M.A.; Estima, J.O.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

Fault-Tolerant PMSG drive with reduced dc-link ratings for wind turbine applications

IEEE Journal of Emerging and Selected Topics in Power Electronics
2014 | Journal article
EID:

2-s2.0-84916225960

Contributors: Freire, N.M.A.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

A fault-tolerant PMSG drive for wind turbine applications with minimal increase of the hardware requirements

Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
2013 | Conference paper
EID:

2-s2.0-84879386249

Contributors: Freire, N.M.A.; Marques Cardoso, A.J.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

Fault-tolerant converter for AC drives using vector-based hysteresis current control

Proceedings - 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013
2013 | Conference paper
EID:

2-s2.0-84891047638

Contributors: Freire, N.M.A.; Marques Cardoso, A.J.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

Open-circuit fault diagnosis in PMSG drives for wind turbine applications

IEEE Transactions on Industrial Electronics
2013 | Journal article
EID:

2-s2.0-84877753760

Contributors: Freire, N.M.A.; Estima, J.O.; Marques Cardoso, A.J.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

Recent advances in fault diagnosis by Park's vector approach

Proceedings - 2013 IEEE Workshop on Electrical Machines Design, Control and Diagnosis, WEMDCD 2013
2013 | Conference paper
EID:

2-s2.0-84879573090

Contributors: Estima, J.O.; Freire, N.M.A.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

A comparative analysis of PMSG drives based on vector control and direct control techniques for wind turbine applications,Analiza porównawcza sterowania bezpośredniego i wektorowego generatora synchronicznego w zastosowaniu do turbin wiatrowych

Przeglad Elektrotechniczny
2012 | Journal article
EID:

2-s2.0-84855313597

Contributors: Freire, N.; Estima, J.; Cardoso, A.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

A new approach for current sensor fault diagnosis in PMSG drives for wind energy conversion systems

2012 IEEE Energy Conversion Congress and Exposition, ECCE 2012
2012 | Conference paper
EID:

2-s2.0-84870877727

Contributors: Freire, N.M.A.; Estima, J.O.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

A voltage-based approach for open-circuit fault diagnosis in voltage-fed SVM motor drives without extra hardware

Proceedings - 2012 20th International Conference on Electrical Machines, ICEM 2012
2012 | Conference paper
EID:

2-s2.0-84870807854

Contributors: Freire, N.M.A.; Estima, J.O.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

Experimental analysis of a standalone renewable energy based hybrid system

IFIP Advances in Information and Communication Technology
2012 | Book
EID:

2-s2.0-84862879398

Contributors: Freire, N.; Ribeiro, E.; Cardoso, A.J.M.; Boccaletti, C.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

Comparison of distinct modulation techniques applied to PMSG drives for wind turbine applications under faulty operating conditions

3rd International Conference on Clean Electrical Power: Renewable Energy Resources Impact, ICCEP 2011
2011 | Conference paper
EID:

2-s2.0-80054890192

Contributors: Freire, N.M.A.; Estima, J.O.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

Multiple open-circuit fault diagnosis in voltage-fed PWM motor drives using the current Park's Vector phase and the currents polarity

SDEMPED 2011 - 8th IEEE Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives
2011 | Conference paper
EID:

2-s2.0-81255146997

Contributors: Freire, N.M.A.; Estima, J.O.; Cardoso, A.J.M.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier

Converters fault-diagnosis in PMSG drives for wind turbine applications

IECON Proceedings (Industrial Electronics Conference)
2010 | Conference paper
EID:

2-s2.0-78751532189

Contributors: Freire, N.M.A.; Estima, J.O.; Marques Cardoso, A.J.
Source: Self-asserted source
Nuno Freire via Scopus - Elsevier