Ndubuisi V. Irokwe

Optimal Placement and Sizing of Static Var Compensators on the Nigerian 330 kV Transmission Network: A Comparative Study of Genetic Algorithm, Particle Swarm Optimization, and a Hybrid Approach

Ndubuisi V. Irokwe, Nseobong I. Okpura, Kufre M. Udofia & Jimoh J. Afolayan · Journal of Engineering Research and Reports · 2026

This study addresses voltage instability in developing-economy transmission grids by determining the optimal placement and sizing of Static Var Compensators (SVCs) on the Nigerian 330 kV, 50-bus network. Although metaheuristic techniques have been widely applied to FACTS device a...

Open access Research Article 10.9734/jerr/2026/v28i81976

Machine-Learning Prediction of Weak Buses and Optimal SVC Placement for Voltage Stability Improvement on the Transmission Network with Special Emphasis on Nigeria

Ndubuisi V. Irokwe, Nsebong Opura, Udofia, Kufre & Clement K. Bassey · Journal of Energy Research and Reviews · 2026

Voltage instability remains one of the most persistent threats to secure transmission network operation, particularly in developing power systems where reactive power reserves are thin and infrastructure investment lags behind load growth. This review examines two research stream...

Open access Research Article 10.9734/jenrr/2026/v18i7524

Gain Enhancement in 2.4 GHz Rectangular Microstrip Antenna Arrays Using Hybrid Corporate– Series Feeding

Jeffrey C. Saturday, Ndubuisi V. Irokwe, Jane Ojima Aye & Kufre M. Udofia · Journal of Engineering Research and Reports · 2026

A robust antenna design that addresses the growing demand for compact, high-performance wireless devices remains a major challenge, particularly in achieving high antenna gain while maintaining compact size and acceptable bandwidth in microstrip antenna arrays. This paper present...

Open access Research Article 10.9734/jerr/2026/v28i11776