About 21 results
https://drivepatents.com/patents/977212 · 19 Mar 2014
An electrical circuit (10) is described which includes a transformer (12) with primary winding (13) connected to the electric power grid (17) and secondary winding (14) connected to a power converter (19) with a capacitor (20). It includes a circuit arrang...
https://drivepatents.com/patents/977871 · 5 Mar 2014
The invention relates to a multilevel electronic power converter for n output voltage levels with a positive branch (POS) with a positive DC voltage terminal (1), a negative branch (NEG) with a negative DC voltage terminal (2), and an AC voltage terminal (...
https://drivepatents.com/patents/978023 · 26 Feb 2014
The present invention provides an improved dual-input power supply including a dual-input terminal, an input source selection controller, a load adjustment switch circuit, a power conversion circuit, an automatic switch circuit for power interruption, and ...
https://drivepatents.com/patents/982834 · 23 Oct 2013
The present invention provides an energy supply network, especially for an aircraft or spacecraft, comprising a first coupling device (2), the first coupling device (2) being configured to couple the energy supply network to an external energy source (9), ...
https://drivepatents.com/patents/983840 · 2 Oct 2013
A power distribution system, 10, includes a plurality of power sources, 12, for generating power. Also included is at least one power routing element, 14, in operable communication with each of the plurality of power sources, 12, the at least one power rou...
https://drivepatents.com/patents/990476 · 22 May 2013
A DC power distribution system and method includes a solid state remote power controller that connects a switching power source to a DC bus when the DC bus is switching power sources thereby providing a nearly uninterrupted power supply to the DC bus.
https://drivepatents.com/patents/991244 · 1 May 2013
Technique for providing power to a powered device (PD) over a cable having first (14,18) and second (16,20) sets of twisted pairs, such as signal pairs (14,18) and spare pairs (16,20). Power Sourcing Equipment (PSE) circuitry (220) is coupled via a first s...
https://drivepatents.com/patents/985155 · 3 Apr 2013
A method and a system for controlling the charging and discharging of one or more battery packs (8) connected to a power source (7) or an apparatus (9) driven by the battery packs. The battery pack (8) comprises a number of battery cells connected to two o...
https://drivepatents.com/patents/985801 · 6 Mar 2013
The present invention relates to a system and method for controlling the operating of at least one consumption appliance (31) by means of an automated selector switch (35) controlled by an energy saving device (40) connected to a management center (10) for...
https://drivepatents.com/patents/997821 · 3 Oct 2012
A stackable communications system comprises a plurality of modules. Each module comprises a power controller, a power switch, induction interconnections to connect to other modules, wherein the interconnections are via close proximity inductively coupled E...