Samsung patents power backup system that switches between two AC sources
Samsung has been granted a patent for a hybrid uninterruptible power supply (UPS) that connects to two separate external AC power sources. The system uses a controller to route power directly to the device during normal times, bypassing the battery and conversion hardware to save energy. If the primary power fails, it can switch to a backup source or use the internal battery to keep the device running without interruption.
In the filing’s own words
A hybrid uninterruptible power supply includes a power conversion unit including a converter electrically connected to a first external alternating current (AC) power source, an inverter electrically connected to an output of the converter and to a load, and a power storage unit electrically connected between the converter and the inverter, a current thrupass unit electrically connected to the first external AC power source and electrically connected to the load and including a first thyristor, a current bypass unit including a second thyristor and a switch electrically connected in parallel to the second thyristor, the second thyristor being electrically connected to a second external AC power source and electrically connected to the load, and a controller configured to control the power conversion unit, the current thrupass unit, and the current bypass unit.
What exactly they claim (claim 1)
1. A hybrid uninterruptible power supply comprising: a power conversion unit including a converter electrically connected to a first external alternating current (AC) power source, an inverter electrically connected to an output of the converter and to a load, and a power storage unit electrically connected between the converter and the inverter; a current thrupass unit electrically connected to the first external AC power source and electrically connected to the load, wherein the current thrupass unit comprises a first thyristor; a current bypass unit including a second thyristor and a switch electrically connected in parallel to the second thyristor, wherein the second thyristor is electrically connected to a second external AC power source and electrically connected to the load; and a controller configured to control the power conversion unit, the current thrupass unit, and the current bypass unit, wherein during a normal operation, power from the first external AC power source is supplied to the load through the current thrupass unit rather than through the converter and the inverter.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- Hybrid uninterruptible power supply
- Patent number
- US12771164B2
- Application number
- 19010662
- Filed
- Jan 6, 2025
- Granted
- Oct 20, 2026
- Inventors
- 2
- Claims
- 20
Classified under
H02J 9/062 Electricity & electronicsH02J 3/0012 Electricity & electronicsH02J 3/0073 Electricity & electronicsH02J 3/01 Electricity & electronicsH02J 3/18 Electricity & electronicsH02J 3/32 Electricity & electronicsMore from Samsung in Chips & hardware
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.