Nana Chang | Power System Protection | Best Researcher Award

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Dr. Nana Chang | Power System Protection | Best Researcher Award

Lecturer, School of Electrical Engineering, Xi’an University of Technology, China

Dr. Nana Chang is a distinguished researcher in electrical engineering, specializing in power system protection and renewable energy integration. She earned her Ph.D. in Electrical Engineering from Xi’an Jiaotong University in 2024, following a Master’s degree from North China Electric Power University and a Bachelor’s from Xi’an University of Technology. Currently serving as a Lecturer at Xi’an University of Technology, Dr. Chang bridges academia and industry through her involvement in several high-impact research projects. Her work addresses critical challenges in modern power systems, including fault protection in multi-voltage DC grids and resilience under extreme conditions. Dr. Chang has contributed to multiple national-level projects funded by the Ministry of Science and Technology and the National Natural Science Foundation of China. She also leads industry-sponsored research, focusing on innovative protection principles for renewable energy-dominated grids.

Profile

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Education

Dr. Nana Chang’s academic journey reflects a strong foundation in electrical engineering. She completed her Bachelor of Science in Electrical Engineering and Automation at Xi’an University of Technology in June 2012. Pursuing advanced studies, she obtained a Master of Science in Power System and Automation from North China Electric Power University (Beijing) in April 2015. Her academic pursuit culminated in a Doctor of Philosophy in Electrical Engineering from Xi’an Jiaotong University in September 2024. Her doctoral research focused on innovative protection methods for multi-voltage-level, multi-zone interconnected new energy DC distribution systems, addressing the evolving challenges in modern power systems. This progression showcases her commitment to advancing the field of electrical engineering through rigorous academic training and research.

Experience

Dr. Nana Chang’s professional experience spans both academia and industry, highlighting her expertise in electrical engineering. Since September 2024, she has been serving as a Lecturer at Xi’an University of Technology, where she contributes to the academic development of students and engages in cutting-edge research. Prior to her academic role, Dr. Chang worked at State Grid Xianyang Power Supply Company from August 2015 to June 2019, focusing on the secondary equipment maintenance of substations. This experience provided her with practical insights into power system operations and maintenance, enriching her research perspective. Her dual exposure to theoretical and practical aspects of electrical engineering enables her to bridge the gap between academic concepts and real-world applications effectively.

Research Focus 

Dr. Nana Chang’s research is centered on the protection and resilience of modern power systems, particularly in the context of renewable energy integration. Her doctoral research addressed fault characteristics and protection methods for multi-voltage-level, multi-zone interconnected new energy DC distribution systems, a critical area as the energy sector transitions toward decentralized and renewable sources. She is actively involved in projects funded by the Ministry of Science and Technology and the National Natural Science Foundation of China, focusing on protection strategies for flexible low-frequency transmission systems and resilience technologies for urban energy systems under extreme conditions. Additionally, Dr. Chang leads industry-sponsored research on innovative protection principles for renewable energy-dominated grids. Her work aims to enhance the reliability and stability of power systems amidst the challenges posed by renewable energy sources.

Publication Top Notes

📘1. Phase Current Based Fault Section Location for Single-Phase Grounding Fault in Non-Effectively Grounded Distribution Network

  • Journal: IEEE Transactions on Industry Applications

  • Year: 2025

  • Authors: Zhongxue Chang, Qingyu He, Nana Chang, Weibin Tan, Wei Zhang, Zhihua Zhang, Guobing Song

  • Summary:
    This paper proposes a novel phase current-based method to locate fault sections caused by single-phase grounding in non-effectively grounded distribution networks. The approach enhances fault localization accuracy in complex systems where conventional methods fall short. The solution reduces misjudgment rates and increases system reliability in medium-voltage power networks, especially relevant to regions with high renewable penetration.

📘 2. Adaptive Fault Identification for Multi-Level Relays Using Fault Tree and User-Defined Inverse-Time Characteristics Equation

  • Journal: Electric Power Systems Research

  • Year: September 2025

  • Authors: Nana Chang, Guobing Song, Jiaheng Jiang

  • Summary:
    This study introduces an adaptive method for fault identification in multi-level relay systems. By combining a fault tree analysis framework with user-defined inverse-time characteristics, the method provides more precise fault detection under variable grid configurations. The adaptive behavior supports more intelligent and flexible relay coordination, particularly important for evolving smart grid environments.

📘 3. An Adaptive Coordinated Wide-Area Backup Protection Algorithm for Network Topology Variability

  • Journal: IEEE Transactions on Power Delivery

  • Year: April 2024

  • Authors: Nana Chang, Guobing Song

  • Summary:
    This paper presents a wide-area backup protection algorithm that adapts to real-time changes in power system topology. The method dynamically adjusts coordination parameters based on topology recognition, improving fault response and ensuring system stability in large-scale and reconfigurable grids. It offers significant improvements in response speed and adaptability for modern interconnected systems.

📘 4. Fault Identification Method Based on Unified Inverse-Time Characteristic Equation for Distribution Network

  • Journal: International Journal of Electrical Power & Energy Systems

  • Year: March 2023

  • Authors: Nana Chang, Guobing Song, Junjie Hou, Zhongxue Chang

  • Summary:
    This article introduces a unified fault identification method for distribution networks using a standardized inverse-time characteristic equation. The technique enhances the coordination of protection devices across diverse protection zones. It is particularly suited for high-penetration renewable energy systems, where conventional settings may not provide reliable fault discrimination due to dynamic operating conditions.

Conclusion

Dr. Nana Chang demonstrates strong technical competence, relevance in research areas, and a well-rounded background in academic and industrial projects. Her work directly contributes to critical advancements in power system protection and renewable energy integration, areas vital to modern energy infrastructure.

Khaled Osman | Pesticides | Best Researcher Award

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 Prof Dr. Khaled Osman | Pesticides | Best Researcher Award

Professor at  Alexandria University/Faculty of Agriculture, Egypt

Khaled Osman is a prominent researcher and educator in pesticide chemistry and toxicology at Alexandria University, Egypt. Born on July 20, 1961, in Alexandria Governorate, he has dedicated over three decades to advancing the field through teaching and research. With a B.Sc., M.Sc., and Ph.D. in Pesticides Chemistry from Alexandria University, Khaled has authored numerous publications and participated in various national and international workshops. His research focuses on the toxicity of pesticides, bioremediation, and environmental safety. An active member of several professional organizations, he has earned recognition for his significant contributions to agricultural and environmental sciences, receiving national awards for his work. Khaled continues to inspire students and researchers alike, emphasizing the importance of sustainable practices in agriculture.

Profile:

Education: 

Khaled Osman holds a comprehensive academic background in pesticide chemistry from Alexandria University. He earned his Bachelor of Science (B.Sc.) in Pesticides Chemistry in 1983, which laid the foundation for his career in agricultural sciences. Following this, he pursued a Master of Science (M.Sc.) in 1987, focusing on “Toxicokinetics of Insecticides,” exploring the effects of methyl and ethyl substitution on the delayed neurotoxicity of specific compounds. In 1991, he completed his Doctor of Philosophy (Ph.D.) in Pesticides Chemistry, with a thesis titled “Comparative Neurological Lesions of Organophosphorus Compounds Induced and Non-induced Delayed Neuropathy.” His educational journey has equipped him with extensive knowledge and expertise, which he has applied in both teaching and research throughout his career, making him a leading figure in the field.

Experience: 

Khaled Osman boasts extensive experience in academia and research, particularly in pesticide chemistry and environmental science. He has been a faculty member at Alexandria University for over 30 years, teaching courses in organic, physical, and analytical chemistry, as well as specialized subjects like pesticide chemistry and toxicology. His research activities include assessing the toxicity of metals and pesticides to mammals, studying neurotoxicity in workers exposed to pesticides, and developing bioremediation strategies to mitigate environmental impacts. Khaled has participated in WHO workshops focused on analytical procedures for pesticide exposure assessment. His work has resulted in numerous publications in reputable journals, further solidifying his status as an expert in his field. Additionally, he has served on editorial boards for various scientific journals, contributing to the dissemination of knowledge in pesticide chemistry and environmental safety.

Awards and Honors:

Khaled Osman has received multiple prestigious awards recognizing his contributions to agricultural and environmental sciences. In 1996, he was honored with the National Award for Agricultural Sciences and Arts, a testament to his impactful research in pesticide chemistry. Four years later, in 2000, he received the National Award for Environmental Sciences, further highlighting his commitment to addressing environmental issues through scientific inquiry. These accolades not only reflect his dedication to advancing knowledge in pesticide chemistry and toxicology but also underscore the importance of sustainable practices in agriculture. Khaled’s recognition extends beyond national borders, as he is an active member of various professional societies and editorial boards, enhancing his influence in the field. His accolades serve as inspiration for students and colleagues alike, promoting the significance of research that prioritizes public health and environmental protection.

Research Focus:

Khaled Osman’s research focuses on pesticide chemistry, toxicology, and environmental safety, addressing critical issues related to agricultural practices and their impacts on human health and ecosystems. His work encompasses the study of enzyme inhibitory actions, neurotoxicity assessments in workers exposed to pesticides, and the evaluation of the toxicity of metals and pesticides in mammals. Khaled is particularly interested in bioremediation techniques, exploring the use of microorganisms and animal manures to degrade pesticides in contaminated soils. He also conducts studies on monitoring pesticide residues, mycotoxins, and heavy metals in food and soil, emphasizing the need for effective risk assessments. Additionally, his research includes the evaluation of integrated pest management strategies and the role of antioxidants in ameliorating pesticide toxicity. By bridging the gap between science and practical applications, Khaled aims to contribute to safer agricultural practices and improved public health outcomes.

Publication Titles:

  • Monitoring of pesticide residues in vegetables marketed in Al-Qassim region, Saudi Arabia 📊
  • Estimated daily intake of pesticide residues exposure by vegetables grown in greenhouses in Al-Qassim region, Saudi Arabia 🥦
  • Risk assessment of pesticide to human and the environment ⚖️
  • Mineral contents and physicochemical properties of natural honey produced in Al-Qassim region, Saudi Arabia 🍯
  • Toxicity and biochemical impact of certain oxime carbamate pesticides against terrestrial snail, Theba pisana (Müller) 🐌
  • Oxidative stress induced by different pesticides in the land snails, Helix aspersa 🐚
  • Pesticides and human health 🏥
  • Seasonal variations and prevalence of some external parasites affecting freshwater fishes reared at upper Egypt 🐟
  • Safety methods for chlorpyrifos removal from date fruits and its relation with sugars, phenolics and antioxidant capacity of fruits 🍏
  • Biodegradation kinetics of dicofol by selected microorganisms 🌱
  • Bioremediation of oxamyl in sandy soil using animal manures 🐄
  • Phenyl valerate esterases other than neuropathy target esterase and the promotion of organophosphate polyneuropathy 🧬
  • Spatial distribution of pesticide residues in the groundwater of a condensed agricultural area 💧
  • Sulfonyl fluorides and the promotion of diisopropyl fluorophosphate neuropathy ⚗️
  • Remediation of lead and cadmium-contaminated soils 🥇
  • Role of biomarkers in the evaluation of cadmium and ethoprophos combination in male mice 🐁
  • Lindane, chlorpyrifos and paraquat induced oxidative stress in female rats. 🐀
  • Physicochemical and antimicrobial properties of natural honeys produced in Al-Qassim region, Saudi Arabia 🌼
  • Biomonitoring of pesticide contamination from the pesticide industry 🏭
  • Ozone as a safety post-harvest treatment for chlorpyrifos removal from vegetables and its effects on vegetable quality 🍽️

Conclusion:

Khaled Osman is a highly qualified candidate for the Research for Best Researcher Award. His extensive background in pesticide chemistry, teaching excellence, and national recognition highlight his significant contributions to the field. By addressing areas for improvement, particularly in interdisciplinary collaboration and public engagement, he can further enhance the impact of his research. His commitment to advancing knowledge in agricultural and environmental sciences positions him as a leader in his field, making him an exemplary nominee for this prestigious award.

Taiyeb Hasan Sakib | Renewable Energy Integration | Best Researcher Award

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Mr Taiyeb Hasan Sakib | Renewable Energy Integration | Best Researcher Award

Mr Taiyeb Hasan Sakib, BRAC University, Bangladesh

Taiyeb Hasan Sakib is a Lecturer in the Department of Electrical and Electronic Engineering at BRAC University. With a strong background in electrical and electronic engineering, Sakib has dedicated his career to teaching and research in renewable energy integration, optimization, and energy management practices. His contributions extend beyond academia, having supervised various innovative undergraduate projects and collaborated on impactful research. Sakib’s passion for advancing energy solutions and his commitment to educational excellence are evident in his academic and professional endeavors.

Publication Profile

Google Scholar

Strengths for the Award

  1. Academic Excellence: Taiyeb Hasan Sakib has demonstrated exceptional academic performance, achieving a CGPA of 3.93 in his Bachelor’s degree and 3.88 in his ongoing Master’s degree in Electrical and Electronic Engineering from the Islamic University of Technology, Dhaka. His dissertation work on probabilistic modeling for optimizing hybrid renewable energy systems (HRES) showcases his research depth and technical expertise.
  2. Research Contributions: Sakib has authored multiple publications in high-impact journals, including works in Energy Conversion and Management and PLOS ONE. His research covers diverse areas such as energy management practices, renewable energy integration, and the optimization of hybrid power systems. Notably, his 2023 paper on probabilistic energy modeling in nuclear-renewable microgrids stands out for its innovative approach and relevance to sustainable energy solutions.
  3. Teaching and Mentorship: As a lecturer at BRAC University and previously at Bangladesh Army International University of Science and Technology, Sakib has not only taught various EEE courses but also supervised numerous undergraduate projects. His involvement in project supervision and lab development highlights his commitment to nurturing the next generation of engineers.
  4. Industry Collaboration and Training: Sakib’s experience includes industrial training at significant national facilities such as the Ghorashal Thermal Power Station and the Bangladesh Atomic Energy Commission. This practical exposure, combined with his academic background, enables him to bridge the gap between theoretical research and real-world applications.
  5. Awards and Honors: His receipt of the Quality Journal Publication Award from BRAC University in 2023, along with previous scholarships, underscores his consistent academic and research achievements.

Areas for Improvement

  • Expanded Collaboration: While Sakib has shown strong research capabilities, increasing collaborative projects with international institutions or cross-disciplinary teams could further enhance his research impact and visibility.
  • Innovative Project Leadership: Encouraging Sakib to lead more innovative, large-scale projects, possibly funded by external grants, could solidify his standing as a leading researcher in his field.

Education

Taiyeb Hasan Sakib earned his Master of Science (M.Sc.) in Electrical and Electronic Engineering from the Islamic University of Technology, Dhaka, Bangladesh, with a CGPA of 3.88. His dissertation focused on probabilistic modeling for optimal sizing of Hybrid Renewable Energy Systems (HRES). He completed his Bachelor of Science (B.Sc.) in Electrical and Electronic Engineering from the same institution, graduating with a CGPA of 3.93. His undergraduate research involved performance comparison of beamforming algorithms for smart antennas.

Experience

Sakib has extensive academic experience as a Lecturer at BRAC University since 2021, where he teaches courses including Computer Programming, Control Systems, and Digital Signal Processing, and co-supervises final year design projects. Prior to this, he served as a Lecturer at Bangladesh Army International University of Science and Technology from 2017 to 2021, managing various theory and lab courses. His roles have included examination invigilation, student evaluation, and coordination of seminars and workshops.

Awards and Honors

Sakib has been recognized with the Quality Journal Publication Award from BRAC University for publishing in top Q1 journals. He received the OIC Undergraduate Scholarship and multiple government scholarships for his academic excellence. These honors reflect his outstanding performance and contribution to his field of study.

Research Focus

Taiyeb Hasan Sakib’s research is centered on renewable energy integration, optimization, and energy management practices. His work includes probabilistic modeling for Hybrid Renewable Energy Systems (HRES), energy resource optimization, and techno-economic analysis of energy infrastructures. His research aims to advance sustainable energy solutions and improve energy efficiency practices in various contexts.

Publication Top Notes

  • “Drivers and barriers to industrial energy efficiency in textile industries of Bangladesh” 🌱
  • “A comprehensive investigation of energy management practices within energy intensive industries in Bangladesh” 📊
  • “Empirical investigation of barriers and driving forces for efficient energy management practices in non-energy-intensive manufacturing industries of Bangladesh” 🏭
  • “Multi-Objective Hybrid Optimization for Optimal Sizing of a Hybrid Renewable Power System for Home Applications” ⚡
  • “Challenges of photovoltaic based hybrid minigrid for off-grid rural electrification in Bangladesh” 🌞
  • “A novel approach for optimal energy resources mixing in nuclear-renewable microgrids using probabilistic energy modelling method” 🌍
  • “A dual mode self-test for a stand alone AES core” 🔍
  • “The Cost Factor Analysis of Wind Power Plants—An Economic Perspective” 💨

Conclusion

Taiyeb Hasan Sakib is a highly accomplished researcher with a strong academic background, significant contributions to renewable energy research, and an excellent record of teaching and mentoring. His combination of technical skills, practical experience, and ongoing research initiatives make him a suitable candidate for the Best Researcher Award. With continued growth in collaborative and innovative research, Sakib’s potential for contributing to the field of electrical and electronic engineering is substantial.