Пристрій для оцінювання залишкового робочого ресурсу силового масляного трансформатора

Abstract

Device for evaluation of residual endurance of power oil transformer includes indicators of temperature, transformer of temperature to direct voltage, current indicator, transformer of current to direct voltage, tree adders, functional transformer, RS-trigger, digital-analog transformers, pulse counters, reversing pulse counters, logical elements AND, logical element OR, indicators, diodes, inverter, three comparators, digital comparator, scaling amplifiers, pulse generators, source of support voltage, frequency divider, digital switch, block of zero setting, block for setting endurance. There are included voltage indicator, normalizing transformers, analog-digital transformers, register, logical element NOT, transformer of alternating voltage to direct voltage, block for power calculation, block for power setting, switch.