About 50 results
https://drivepatents.com/patents/971314 · 13 Aug 2014
An intelligent electrical power network control and/or protection device comprises at least one power supply connection for connecting the device to a main power source and an auxiliary power source and at least one unit configured to monitor main power, t...
https://drivepatents.com/patents/972392 · 16 Jul 2014
The present invention is concerned with an Industrial Automation and Control System (IACS) for an industrial process with a process or primary structure including several neighbouring zones connected via a connecting, or boundary, primary device or element...
https://drivepatents.com/patents/974376 · 28 May 2014
A reactive power compensator for an electric power transmission or distribution network comprising reactive components (9) for compensating reactive power and an autotransformer (6) with pairs of primary windings (5) and secondary windings (7), the primary...
https://drivepatents.com/patents/976024 · 16 Apr 2014
The device has a receiving unit (20) including contact points (21, 22) for electrodes (12, 13) of circular cells (10). The contact points are arranged on circular disk-shaped contact surfaces (15) of the electrodes, where the contact surfaces are coaxially...
https://drivepatents.com/patents/977655 · 5 Mar 2014
A modular converter (10) comprises a plurality of converter cells (36), which are connected in series on a first side and are connected on a second side, wherein each converter cell (36) comprises an AC-to-DC converter (40) connected to the first side and ...
https://drivepatents.com/patents/977650 · 5 Mar 2014
A DC-to-DC converter (42) comprises a DC-to-AC converter (52) and an AC-to-DC converter (56) connected in series with a transformer (54), both the DC-to-AC converter and the AC-to-DC converter comprising semiconductor switches (58, 62). A method for contro...
https://drivepatents.com/patents/978002 · 26 Feb 2014
An auxiliary power supply system comprises an electric power source (4) at ground potential (G), a power supply circuit (5) at high voltage potential (19), and at least a first and a second insulating transmission link. The first (2) and the second (3) ins...
https://drivepatents.com/patents/978801 · 5 Feb 2014
A power electronics device 10 comprises at least one power module 16 comprising power semiconductors 20, a controller 22 for controlling the power semiconductors 20, and an auxiliary power supply 22 for powering the controller 22; and a rack 14 for support...
https://drivepatents.com/patents/979351 · 22 Jan 2014
The invention refers to a Bridge-IED (Intelligent Electronic Device) to route IEC61850 GOOSE messages between sub-networks (SN_1, SN_2 ... SN_n), comprises a base functionality for signal mapping and more as one communication interfaces (Cl-1, Cl-2 ...Cl-n...
https://drivepatents.com/patents/980947 · 11 Dec 2013
The invention relates to a device for connecting a single-phase electric device into a multiphase electric network, especially a three-phase network which supplies in particular single-phase electric devices connected to the supply network in many points o...