2024. CRITERIA FOR SELECTING THE TYPE OF HIGH-RESPONSE AUTOMATIC EXCITATION REGULATORS (ARV-SD) DURING THE MODERNIZATION AND TECHNICAL RE-EQUIPMENT OF THE EXCITATION SYSTEM OF HYDROGENERATORS IN AN ELECTRIC POWER SYSTEM. Research Focus International Scientific Journal. 3, 1 (Feb. 2024), 54–58. DOI:https://doi.org/10.66073/researchfocus.v3i1.679.