About 30 results
https://drivepatents.com/patents/1375424 · 8 May 2025
Mobile automatic switching power backup systems, power distribution enclosures, and related methods of assembly and use are provided herein. A mobile automatic switching power backup system can include a power distribution enclosure having a frame includin...
https://drivepatents.com/patents/1366780 · 11 Jul 2024
A power distribution circuit of an uninterruptible power supply is provided, where a first port of the power distribution circuit of the uninterruptible power supply is electrically connected to a second port. A third port is electrically connected to the ...
https://drivepatents.com/patents/968966 · 15 Oct 2014
The present invention discloses an uninterruptible power supply system and an uninterruptible power supply method, relating to the field of battery power supply. The system includes a load, an active battery power supply system and a standby battery power ...
https://drivepatents.com/patents/974372 · 28 May 2014
A method is provided for operating a static transfer switch to eliminate transformer inrush current in the presence of residual flux. The method includes: detecting an interrupt of electric power at an output terminal of the static transfer switch; control...
https://drivepatents.com/patents/986697 · 18 Sep 2013
A power source (100) includes a first power terminal (101) for outputting a first supply voltage. A power management circuit (200) includes a pulse width modulation unit (24) having an input power terminal (240), a first switch unit (22) capable of being t...
https://drivepatents.com/patents/984916 · 5 Jun 2013
The arrangement has network (AC3) to be protected or load to be protected connected to inverter output of inverter (3). The rectifier input or second supply grid (AC2) is connected with inverter output via switching unit (4). The rectifier (1), inverter an...
https://drivepatents.com/patents/984882 · 5 Jun 2013
A rectifier (1) has a rectifier input and a rectifier output, an energy store (2) stores electrical energy, and an inverter (3) has an inverter input and an inverter output. The rectifier input is connected to a supply grid (AC1). The energy store is conne...
https://drivepatents.com/patents/984881 · 5 Jun 2013
The arrangement has a rectifier (1) whose rectifier input is connected to a supply network (AC1). The rectifier input or the network is connected with an inverter output of an inverter (3) through a switching element (4). The rectifier, the inverter and th...
https://drivepatents.com/patents/996119 · 14 Nov 2012
Embodiments of the present invention disclose a method, a device, and a system for supplying power from batteries. The method for supplying power from batteries includes: detecting a power supply state of a cycling battery in a system, where the system fir...
https://drivepatents.com/patents/999055 · 29 Aug 2012
Aspects of the invention are directed to power distribution systems and methods for distributing power from a primary power source and a backup power source to a load. In one particular aspect, a power distribution system includes a first input to receive ...