Julio Espinosa Domínguez | Computer Science | Best Researcher Award

Mr. Julio Espinosa Domínguez | Computer Science | Best Researcher Award

PHD at Transilvania University of Brasov, Romania.

Julio Espinosa Dominguez is a passionate Cuban researcher in electrical engineering, currently pursuing his PhD at Transilvania University of Brașov in Romania, with a strong foundation in power systems, energy management, and grid protection. With academic roots in CUJAE, Havana, Julio has blended teaching, research, and real-world problem-solving in the realm of electrical infrastructure. His background includes extensive involvement in simulation, fault detection, energy storage integration, and voltage regulation under weak grid conditions. Dedicated to energy stability and system optimization, he has authored several peer-reviewed publications that reflect a deep understanding of challenges in electric arc furnaces, generator protection, and transformer behavior. Julio’s global perspective, research-driven approach, and adaptability in both academic and industrial contexts make him a promising contributor to the energy sector. He thrives in cross-cultural environments, merging Latin American experience with European innovation to drive forward-thinking solutions for resilient, efficient, and future-ready power systems.

Profile

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🎓 Education 

Julio’s academic journey began with a Bachelor’s degree in Electrical Engineering from the Technological University of Havana, where he mastered power generation principles, distribution, and electrical machines. He progressed to a Master’s program at the same institution, focusing on energy system reliability, protection coordination, and system-level fault analysis using simulation tools like DIgSILENT PowerFactory. Currently, he is pursuing doctoral studies at Transilvania University of Brașov, Romania, specializing in modern power electronics, voltage perturbation ride-through mechanisms, and grid code compliance for converter technologies. His education emphasizes a balance of theoretical foundations, hands-on engineering practices, and research methodologies. Julio has built competencies in high-voltage engineering, advanced control systems, and renewable integration, equipping him to analyze and improve electrical infrastructures. With international academic exposure and multilingual capabilities, he contributes to a globalized understanding of energy challenges, sustainability, and smart grid advancements. His learning pathway reflects consistent growth and a commitment to technical excellence.

🧪 Experience 

Julio gained significant academic and applied experience as an Instructor Professor at the Technological University of Havana, where he taught and guided students in courses related to electrical circuits, protection systems, and energy distribution. During this period, he collaborated on multiple national projects focusing on generator protection, capacitor bank failures, and electric arc furnace integration using energy storage systems. Transitioning into research, he engaged in simulation-based analyses to detect and correct inefficiencies in industrial power systems. At present, he continues his research as a PhD student, addressing topics such as zero-sequence impedance behavior and reconfiguration of power distribution to reduce losses. He consistently uses tools like DIgSILENT and MATLAB for advanced system modeling and fault studies. His experience bridges academic teaching, technical consulting, and applied research, making him proficient in both analytical and solution-oriented domains of electrical engineering. His career reflects dedication to innovation and system improvement within dynamic energy environments.

🏅 Awards & Honors 

Julio’s recognition primarily stems from the technical impact of his published work and his contributions to improving Cuba’s power system performance. His studies on generator protections, energy storage integration, and power system losses have been featured in reputed journals and conferences, reflecting peer recognition. Projects like enhancing MAN generator protections and resolving issues in Antillana de Acero have contributed to his professional reputation. Though formal international awards are not explicitly listed, his work has earned commendation in academic and institutional settings for relevance and applicability. His doctoral research in Romania was competitively selected, underlining academic merit and research potential. Julio’s consistent publication record from 2020 to 2024, addressing core topics in grid stability and electrical infrastructure, highlights his commitment to research excellence. His knowledge has informed real-world implementations, elevating the performance of weak grids and aligning with national energy priorities, establishing him as an emerging leader in electrical engineering.

🔬 Research Focus 

Julio’s research revolves around the stability, protection, and optimization of electrical power systems, with a sharp focus on grid integration challenges, converter behavior under disturbances, and energy storage coordination with high-demand equipment like electric arc furnaces. He explores how voltage perturbation ride-through strategies can ensure grid compliance and robustness, particularly in systems with weak infrastructure. His investigations into zero-sequence impedance and transformer behavior offer insights into protective relay performance and system vulnerabilities. Using advanced simulation platforms, he designs solutions that mitigate power losses, improve system efficiency, and support the integration of renewable energy. Julio also delves into reconfiguration strategies for medium-voltage networks, aiming to reduce technical losses and increase reliability in energy distribution. His work contributes to building smarter, more adaptive power systems aligned with global energy transition goals. Focused on both theoretical modeling and applied innovation, his research aligns academic rigor with practical utility, particularly for developing and transitional energy markets.

 Conclusion

Julio Espinosa Domínguez is a highly motivated and competent researcher with a clear focus on solving practical and theoretical problems in electrical energy systems. His transition to doctoral research in Europe, along with a strong portfolio of projects and publications, showcases his potential as a future leader in power systems engineering. With targeted efforts to internationalize and scale the impact of his work, he stands as an excellent nominee for the Best Researcher Award.

📝Publications 

  1. Modificaciones al Relé NSR 376 SA para Grupos Electrógenos de la Tecnología MTU
    2021 | A Dean Labrada, R Ponce Iglesias, OE Torres Breffe | 4

  2. Use of Battery Energy Storage with Electric Arc Furnace to Improve Frequency Stability of Weak Power System
    2021 | JE Dominguez, J Rekola, OET Breffe, CR Capablanca | 3

  3. Una solución integral para los problemas de suministro eléctrico de Antillana de Acero
    2020 | OE Torres Breffe, J Espinosa Domínguez, C Revuelta Capablanca, … | 3

  4. The Impact of Electric Arc Furnaces on the Cuban Power System: Existing Approaches and Future Prospects
    2023 | JE Domínguez, OET Breffe, I Serban, CB González, CR Capablanca | 2

  5. Las Oscilaciones de Potencia y sus retos a las protecciones de distancia en Cuba
    2022 | OP Baluja, OET Breffe, JE Domínguez, RP Hermoso | 2

  6. Enhancing the Control of a DC/AC Converter for Voltage Perturbation Ride-Through in Compliance with the Cuban Grid Code
    2024 | JE Domínguez, I Serban, OET Breffe | 1

  7. Propuesta de reconfiguración del esquema de distribución de la Zona Especial de Desarrollo Mariel
    2024 | C Sigas Martínez, OE Torres Breffe, J Espinosa Domínguez, … | 1

  8. Experiencia sobre la avería de un transformador de corriente ubicado en el neutro de un banco de condensadores. Caso de estudios subestación Tallapriedra
    2021 | DÁ Audevert, OET Breffe, JE Domínguez | 1

  9. Mejoras a las protecciones de los Grupos Electrógenos MAN. Caso de estudio Centra Ariguanabo
    2021 | R Olalde Estuch, OE Torres Breffe, J Espinosa Domínguez, … | 1