About 50 results
https://drivepatents.com/patents/1004099 · 21 Mar 2012
The present invention proposes the use of transparent transmission of teleprotection commands in the form of GOOSE or GSSE messages, as defined by the Generic Substation Event (GSE) class model by the standard IEC 61850, between substations combined with C...
https://drivepatents.com/patents/1004832 · 29 Feb 2012
The invention relates to an electric propulsion system of a ship containing an energy storage system. The electric propulsion system is applicable on ships with an AC electric power network (3), which contain a system or systems for storing energy (10). Th...
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/1006664 · 28 Dec 2011
The present invention relates to a process of implementing, or engineering, topology-dependent functions based on a formal description of the Substation Automation system, by performing a topology analysis of the current single line state. A topology inter...
https://drivepatents.com/patents/1013650 · 20 Apr 2011
A computer-based method and a computing device for automatically providing a prediction on a future energy demand to an energy source are proposed. The method may be used for district heating prediction (DHP) including a heating source and comprises: a) ac...
https://drivepatents.com/patents/1015453 · 23 Feb 2011
The present invention is concerned with an analysis of a communication stack performance of an Intelligent Electronic Device (IED) in a communication network of a Substation Automation (SA) system. The IED processes network messages that are transferred wi...
https://drivepatents.com/patents/1067571 · 10 May 2006
The present invention is concerned with a simulation of voltages and currents of high or medium voltage switchyards and substations. It provides consistent and actual voltages and currents at the locations of the voltage and current transformers in the swi...
https://drivepatents.com/patents/1089629 · 18 Feb 2004
A design for a high or medium voltage power transmission network is created automatically. The network comprises a plurality of subsystems that are classifiable as switchgear, transformers, transmission lines, or network controllers such as compensators, w...
https://drivepatents.com/patents/1090039 · 28 Jan 2004
A system for energy transfer between an ac network and a rotating mechanical equipment, comprising a dc link, a first Voltage Source Converter (VSC) for energy transfer between the ac network and the dc link, and an apparatus for energy transfer between th...
https://drivepatents.com/patents/1092718 · 8 Oct 2003
In addition to measuring current flowing through the power circuit breaker (9), and the voltage on one side, an additional voltage measurement is taken on the other side. All measured signals are fed into a controller (18). There, with stored data characte...