FIELD: electrical engineering.
SUBSTANCE: invention relates to the field of electrical engineering, in particular to uninterruptible power supply circuits for devices with pulse units. Instant transition to powering from a rechargeable battery is provided in disconnection of a supply network, as well as instant switching on voltage on load in appearance of the supply network, even in case of failure of AC/DC converter, rechargeable battery (RB), or DC/AC inverter.
EFFECT: increase in the reliability of an uninterruptible power supply source, increase in its operational life and its service life.
1 cl, 3 dwg
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Authors
Dates
2022-09-15—Published
2021-01-21—Filed