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All Journal Vokasi UNESA Bulletin of Engineering, Technology and Applied Science
Sadiq N. Buba
Department of electrical and electronics engineering Nigerian defense academy
Computer Science & IT Engineering Mechanical Engineering Transportation

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The Use of Genetic Algorithm Optimization Approach in Comparison with Lambda Iteration Technique to Solve Economic Load Dispatch Problem Sabo Aliyu; Sadiq N. Buba; Olutosin Ogunleye; Kabir Mohammed; Samuel Ephraim Kalau; Daramdla P. Olaniyi
Vokasi UNESA Bulletin of Engineering, Technology and Applied Science Vol. 2 No. 2 (2025)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v2i2.38275

Abstract

The increasing demand for efficient and reliable power generation systems has amplified the importance of solving Economic Load Dispatch (ELD) problems. This study compares the performance of two optimization techniques—Genetic Algorithm (GA), a robust metaheuristic approach, and Lambda Iteration, a traditional iterative method—on the IEEE 39-bus 10-generator test system. The analysis focuses on fuel cost minimization and computational efficiency. GA achieves a significant reduction in total fuel cost to $1390.29, outperforming Lambda Iteration's $2324.22. However, Lambda Iteration demonstrates faster convergence at 0.2 seconds compared to GA's 1.2 seconds. The results underscore the trade-offs between cost efficiency and computational speed, providing valuable insights into the suitability of advanced optimization methods like GA for complex ELD problems and the practicality of Lambda Iteration for simpler systems.
Roles of FACTS Devices in Modern Transmission: A Review of Challenges, Solutions, and Research Direction Sabo Aliyu; Sadiq N. Buba
Vokasi UNESA Bulletin of Engineering, Technology and Applied Science Vol. 3 No. 1 (2026)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v3i1.40130

Abstract

Flexible AC Transmission Systems (FACTS) play a critical role in enhancing the stability, controllability, and efficiency of modernpower transmission networks. This review examines the main FACTS devices—SVC, STATCOM, TCSC, SSSC, and UPFC—coveringtheir classifications, working principles, integration methods, and comparative performance. Detailed schematics and tables are used to clarify their operation, highlight technical overlaps, and map device capabilities to specific system challenges. Key issues such as cost, control complexity, dynamic performance, and harmonic distortion are critically assessed, with proposed cross-device solutions and hybrid configurations presented to address these limitations. The review further emphasizes emerging trends, including AI-drivencontrol strategies, hybrid FACTS architectures, and applications in renewable-rich smart grids. By combining comparative insights witha forward-looking perspective, this paper provides guidance for engineers, researchers, and policymakers on deploying FACTS technologies to build more resilient, adaptive power systems.
Co-Authors Daramdla P. Olaniyi Kabir Mohammed Olutosin Ogunleye Sabo Aliyu Sabo Aliyu Samuel Ephraim Kalau