Minimizing Transient Voltage Excursions in DC-DC Boost Converters using Dual Loop Voltage-Current Control with Load Current Feed Forward (LCFF)
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DOI: 10.67571/njeru.2026.010108
Published: February 8, 2026 | Issue: Volume 3, Issue 1
Page No. 1–8
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Email: peterohiero@unicross.edu.ng
1 Department of Electrical & Electronic Engineering Faculty of Engineering University of Cross River State, Calabar.
Received: November 13, 2025 Reviewed: January 23, 2026 Accepted: February 8, 2026
Abstract
Transient voltage excursions pose a significant challenge for DC-DC boost converters in high-dynamics applications, including electric vehicle power systems, renewable energy integration, and microgrids. Standard single-loop or dual-loop PI controllers frequently exhibit substantial voltage undershoot and prolonged recovery times, primarily due to the constraints of the Right-Half-Plane (RHP) zero inherent in boost converter topologies. To address these limitations, this paper presents an enhanced control strategy featuring a dual-loop voltage-current PI architecture integrated with a Load Current Feed-Forward (LCFF) mechanism. By bypassing the slower outer voltage loop, the LCFF branch enables an immediate duty cycle adjustment upon detecting load fluctuations. Simulation was carried out in MATLAB/Simulink using a 12–24 V boost converter under a 50% load step. Simulation results indicate that the proposed LCFF-based control significantly outperforms traditional dual-loop PI architectures, reducing peak voltage excursions by 72% and settling time by 52%.
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