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Brande, Denmark

Nuno Miguel Amaral Freire

This inventor holds 14 USPTO granted patents and 1 published patent application and 17 EPO patents, primarily in Electrical Machine Control. Top assignees: Siemens Gamesa Renewable Energy A/s, Siemens Aktiengesellschaft. Active years: 2018-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Nuno Miguel Amaral Freire. Retrieved from https://idiyas.com/inventor/nuno-miguel-amaral-freire

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 14 

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.9

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:

goldMedal12 out of 597 
 
Siemens Gamesa Renewable Energy A/s
 patents
silverMedal2 out of 30,893 
 
Siemens Aktiengesellschaft
 patents

Years Active: 2018-2025

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Areas of Expertise:
Position Observer Synchronization
Short Circuit Fault Detection
Voltage Control
Harmonic Control
Torque Control
Electrical Fault Diagnosis
Wind Turbine Monitoring
Rotor Temperature Assessment
Multi-Winding Set Control
Permanent Magnet Machines
14 patents (USPTO):Explore Patents
1. 12341445 - Position observer synchronization for three-phase generators (2025-06-24),
2. 12237792 - Method for determination of a location of a short circuit fault in a generator arrangement, generator arrangement, wind turbine, computer program and electronically readable medium (2025-02-25),
3. 12143058 - Voltage control of a DC-link (2024-11-12),
4. 12078680 - Method for detecting an electrical fault in the stator of an electric machine, especially in the generator of a wind turbine (2024-09-03),
5. 11863114 - Harmonic direct torque control of an electric machine (2024-01-02),
6. 11496081 - Estimating rotor operational parameter (2022-11-08),
7. 11365717 - Harmonic control of a converter (2022-06-21),
8. 11165379 - Monitoring a multi-winding set stator (2021-11-02),
9. 10944345 - Controlling a multi winding set permanent magnet electrical machine (2021-03-09),
10. 10804829 - Assessing wind turbine generator rotor temperature (2020-10-13),
11. 10782351 - Diagnosing a winding set of a stator (2020-09-22),
12. 10389284 - Control arrangement of a multi-stator machine (2019-08-20),
13. 10374538 - Harmonic control of a converter (2019-08-06),
14. 10100811 - Noise control for a wind turbine (2018-10-16),

Title: Inventions of Nuno Miguel Amaral Freire: Pioneering Advances in Wind Energy Technology

Introduction

Nuno Miguel Amaral Freire, based in Brande, Denmark, is a prolific inventor with a remarkable portfolio comprising 13 patents. His contributions to the field of renewable energy, specifically in wind turbine technology, position him as a significant figure in innovation.

Latest Patents

Among Nuno's latest patents is a method for determining the location of a short circuit fault in a generator arrangement. This invention details how electrical machines utilize sensors to track torque ripple and identify faults in a channel comprising breakers and converters. Additionally, he holds a patent for an arrangement that controls DC-link voltage connecting generator and utility grid converters in wind turbines. This innovative approach enhances the efficiency and safety of wind energy systems.

Career Highlights

Nuno has contributed his expertise to renowned companies such as Siemens Gamesa Renewable Energy A/S and Siemens Aktiengesellschaft. His work at these organizations has been instrumental in developing sophisticated technologies that improve the performance of wind energy systems and their integration with the power grid.

Collaborations

Throughout his career, Nuno has collaborated with fellow innovators, including Zhan-Yuan Wu and Rahul R. Pillai. These partnerships have fostered creativity and technical advancement within the renewable energy sector, leading to groundbreaking inventions.

Conclusion

Nuno Miguel Amaral Freire's inventive spirit and technical acumen continue to drive progress in wind energy technology. His patents not only showcase his expertise but also contribute to a sustainable energy future. With each innovation, he underscores the importance of advancing renewable energy solutions for a greener planet.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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