Linearly - interactive sources

Linearly - interactive uninterruptible power supply units with sinusoidal output tension during the work from batteries are intended for food of the equipment with electric motors of alternating current, compressors, and also with transformer power supply units. Such UPSes are ideally suited for ensuring reserve food of household appliances of prime necessity - gas coppers and refrigerators, ensuring long functioning in case of a power supply network de-energization.