Amah Gideon Gbaden. Harmonic Performance Evaluation of SPWM-Controlled Seven-Level Single-Phase Diode-Clamped Multilevel Inverters across Variable Modulation Indices. JCR [Internet]. 2025 Oct. 3 [cited 2026 Mar. 3];2(5):141-9. Available from: https://journalcurrentresearch.com/pub/jcr/article/view/69