Ключевые слова: ac, auxiliary, background, backup, battery, center, charger battery, computer, connect, corporate, datacenter, dc, disruption, electric, electrical, electricity, emergency, energy, equipment, fuel, generation, high, industry, input, interruption, power, power supply, problems, protected, protection, row, service, source, standby, storage room, string, supply, support, surges, switch, sync, technology, tools, uninterrupted, unit, ups, voltage,