Purwanto, Kunnu, Aditya Agus Wijayanto, Yudhi Ardiyanto, and Karisma Trinanda Putra. 2023. “Electrical Design of a Portable Pure Sine Wave Inverter Using Ferrite Core Transformer and Double Stage Technique”. Journal of Electrical Technology UMY 7 (1):1-8. https://doi.org/10.18196/jet.v7i1.17912.