About 37 results
https://drivepatents.com/patents/1374698 · 2 Jun 2026
Embodiments of the present disclosure relate to an uninterruptible power supply. The uninterruptible power supply comprises a switch, a power management module, an inverter and a controller. The switch is arranged between a load and a power source, the pow...
https://drivepatents.com/patents/1114893 · 28 May 2026
A system may include an external battery cabinet (EBC) configured to power an uninterruptible power supply (UPS), where the EBC operates at a predetermined battery voltage. The system may include a boost pulse-width modulator (PWM) controller including two...
https://drivepatents.com/patents/964989 · 26 May 2026
The present application relates to a battery management and control system for a flow battery. An example battery management and control system includes an alternating current distribution box, a rectifying and inverting device, a flow battery including a ...
https://drivepatents.com/patents/964988 · 26 May 2026
A power device comprises a buzzer, a control unit, and a driving circuit. The control unit records a plurality of PWM frequencies corresponding to various pitches, and is configured to generate a PWM signal according to an alert sound corresponding to a de...
https://drivepatents.com/patents/1381208 · 16 Apr 2026
An uninterruptible power supply device has a normal mode of supplying a load with electric power supplied from an AC power supply, a backup mode of supplying the load with electric power stored in a storage battery during a power failure, and a deteriorati...
https://drivepatents.com/patents/1379502 · 12 Mar 2026
A power generation system, including: a container having an interior volume; a fuel cell compartment, which is a portion of the interior volume that is defined by one or more fuel-cell-partitions in the container; a fuel cell located within the fuel cell c...
https://drivepatents.com/patents/1393792 · 26 Mar 2025
Examples of the disclosure include a power system comprising a power-system output configured to be coupled to, and provide an output AC waveform to, one or more loads, a positive DC bus, a negative DC bus, an inverter coupled to the positive DC bus and th...
https://drivepatents.com/patents/1372374 · 2 Jan 2025
A power system including an input configured to receive input AC power; an output configured to provide output power to a load; an AC/DC converter coupled to the input and configured to convert the input AC power into DC power; a bypass line coupled betwee...
https://drivepatents.com/patents/1372376 · 2 Jan 2025
A multiplicity of uninterruptible power supply (UPS) devices may be equipped with a plurality of sensors which report on the state of various operational parameters of the UPS devices to a registry device. Output of the registry device may be displayed on ...
https://drivepatents.com/patents/1396669 · 20 Nov 2024
Aspects of the disclosure include a system comprising at least one energy-storage-device connection, a first output connection to be coupled to a main power source providing main power, a second output connection to be coupled to at least one load, a first...