nurhadi, irvan. A Feasibility Analysis of 110 VDC Battery in Supplying Loading (Case Study of 150 KV Perawang Substation): Analisis Kelayakan Battery 110 VDC Dalam Mengsuplai Pembebanan ( Studi Kasus Gardu Induk Perawang 150 KV ) . IJEERE 2022, 2, 29-38.