About 12 results
https://drivepatents.com/patents/1393315 · 6 Aug 2025
A system and method for controlling a direct current bus voltage are provided. The system for controlling a direct current bus voltage includes a controller and an inverter. An output end of the inverter is connected to a power grid, and an input end of th...
https://drivepatents.com/patents/1400112 · 30 Jul 2025
A charger integrated circuit (200) is configured to charge a battery device (100) including a first battery (110) and a second battery connected in series (120). The circuit (200) includes a direct charger (210) configured to generate a first charging curr...
https://drivepatents.com/patents/966355 · 10 Dec 2014
A system configured to reduce the amplitude of reactive current present on a DC bus (13) shared by multiple inverters (15) is disclosed. The start of the switching period for the modulation routines of each inverter (15) is synchronized, and a carrier phas...
https://drivepatents.com/patents/970700 · 3 Sep 2014
The invention relates to a power supply of two-wire communication line intended for transmission of signals between electronic devices, as well as for transmission of signals between electronic device and for supplying them with power. The device enables t...
https://drivepatents.com/patents/997096 · 17 Oct 2012
A bi-directional converter voltage controlled current system and methods are disclosed. A bi-directional converter provides a bi-directional current to an electrical bus according to a variable duty-cycle control signal. Also, a bi-directional current sens...
https://drivepatents.com/patents/1006079 · 18 Jan 2012
The converter (10) has converter branches (20a, 20b) for phases (16a-16c) of an alternating voltage-grid (12), where converter cells (26) are connected in rows and connect the phases with respective direct voltage outputs (22, 24). The cells contain unipol...
https://drivepatents.com/patents/1006462 · 4 Jan 2012
According to one embodiment, a power supply circuit includes a source (10), a sink (20), and a connection unit. A first control circuit (CTR1) of the source (10) is configured to send an inquiry about the presence/absence of a power supply function to a se...
https://drivepatents.com/patents/1015074 · 9 Mar 2011
A power transmission and distribution system is described that it is suitable for subsea electrical loads. The system includes a primary dc transmission cable (8) that can be connected to an onshore AC/DC converter module (2) that connects the onshore end ...
https://drivepatents.com/patents/1078441 · 20 Apr 2005
The present invention relates to a controller for an electric power supply of an electronic device of a vehicle, and more particularly, to a controller for an electric power supply of an electronic device supplied with electric power from a battery of a ve...
https://drivepatents.com/patents/1081389 · 22 Dec 2004
Power distribution apparatus, for controlling supply of a current from an electrical power source to at least one load, the apparatus comprising a current limiter (32), which is coupled to controllably reduce a magnitude of the current supplied to the at l...