About 38 results
https://drivepatents.com/patents/1399149 · 3 Jun 2026
In the field of chain-link modules for voltage source converters, there is a need for an improved chain-link module.A chain-link module (10), for connection in series with other chain-link modules to form a chain-link converter selectively operable to prov...
https://drivepatents.com/patents/1114876 · 28 May 2026
There is provided an electrical arrangement for a power transmission network, including first and second transformers of the star-delta type, each having respective primary and secondary winding sides. The primary winding side of each transformer includes ...
https://drivepatents.com/patents/1381946 · 30 Apr 2026
A HVDC transformer configuration for use in electrical power transmission to at least a first AC network and a second AC network. The configuration including a three single phase HVDC transformer, in which each phase includes a first winding connected to a...
https://drivepatents.com/patents/1380888 · 9 Apr 2026
At least one aspect of the present disclosure is directed to a high voltage direct current (HVDC) bus coupler system. The HVDC bus coupler system can include a monitoring unit to detect fault events. The HVDC bus coupler system can include a controller. Th...
https://drivepatents.com/patents/1379826 · 19 Mar 2026
A dynamic frequency coordination control method for asynchronous regional power grids during wet and dry seasons is provided. By using frequency synchronous control in VSC-HVDC, frequency consistency and synchronization between the sending-end and receivin...
https://drivepatents.com/patents/1398105 · 25 Feb 2026
Disclosed in the application are a method and apparatus for suppressing oscillation on a direct current (DC) side of a flexible DC transmission system (FDCTS), a computer-readable storage medium, and an electronic device. The method includes the following ...
https://drivepatents.com/patents/1397147 · 12 Nov 2025
In a power conversion system (10) according to one embodiment, a first power converter (11) is connected between a first AC power system (9), and a first DC main line (13A) and a DC return line (13B). A second power converter (12, 15) is connected between ...
https://drivepatents.com/patents/1399937 · 21 May 2025
The application provides a discharge method and device for a voltage sourced converter direct-current transmission line and a storage medium. The method comprises: unlocking a converter valve; generating an additional control signal by an additional contro...
https://drivepatents.com/patents/1354402 · 9 Nov 2023
A power electronics multilevel converter comprises one or more phase legs. Each respective phase leg of the one or more phase legs comprises a plurality of cells. Each respective cell of the plurality of cells comprises an alternating current (AC)/direct c...
https://drivepatents.com/patents/946517 · 20 Jan 2016
A current flow controller (34) comprises: first and second terminals (36,38) being operatively connectable, in use, to first and second DC power transmission media (30,32) respectively; a third terminal (40) being operatively connectable, in use, to an ele...