About 50 results
https://drivepatents.com/patents/981260 · 4 Dec 2013
The invention is concerned with a computer-implemented method for determination of a route for a ship. The method comprises the steps of defining one or more performance variables of the ship and dynamic input parameters that affect to the performance vari...
https://drivepatents.com/patents/981966 · 13 Nov 2013
An electrochemical cell (10) is proposed, having at least one liquid electrode (20) with a variable liquid level (h). The cell includes a bypass system (30) for a charging current, which is adapted for bypassing a percentage of a charging current around th...
https://drivepatents.com/patents/983815 · 2 Oct 2013
A device for detecting an islanding condition in an electricity distribution network, comprising means for receiving (442) a signal of the electricity distribution network, means for determining (412) an islanding condition based on the received signal. Th...
https://drivepatents.com/patents/983804 · 2 Oct 2013
A device for detecting an islanding condition in an electricity distribution network. The device comprises means for concurrently monitoring an islanding condition and a network event condition in the electricity distribution network, means for detecting a...
https://drivepatents.com/patents/987648 · 7 Aug 2013
A modular converter 12 for a battery charging station 10 comprises at least two charging modules 30a, 30b, 30c connected in parallel. Each of the charging modules 30a, 30b, 30c is adapted for generating an output current I 1 , I 2 , I 3 for charging a batt...
https://drivepatents.com/patents/988292 · 24 Jul 2013
The present invention is concerned with a method and an engineering tool for analyzing a communication of secondary devices (205, 210) in a Substation Automation System (200) for a substation (100), wherein the secondary devices are connected to a communic...
https://drivepatents.com/patents/990753 · 15 May 2013
The underfloor transformer (10) has a layered transformer core (12) having two axial end regions, an electrical winding, and securing devices (18,20). Each securing device is respectively provided in corresponding one of each axial end region of transforme...
https://drivepatents.com/patents/994641 · 26 Dec 2012
A protection relay for protection of an electric network, comprising measuring (706) an electric signal in the network. The protection relay comprises converting (706) the measured signal to a frequency domain representation of the measured signal, generat...
https://drivepatents.com/patents/998366 · 12 Sep 2012
According to the invention, an IEC 61850 NCC server (21) for serving, via the MMS/TCP/IP part of IEC 61850, process data from substation Intelligent Electronic Devices IEDs (12) to a Network Control Centre NCC (30) is provided at a gateway IED (20) of a Su...
https://drivepatents.com/patents/998568 · 5 Sep 2012
The system has a set of turbines (1) each connected with a respective generator (2), where the generators generate respective alternating current (AC) voltages with same frequency which is variable with time. A conversion unit (3) is electrically connected...