About 60 results
https://drivepatents.com/patents/980716 · 18 Dec 2013
The present disclosure relates to method for scheduling the operation of at least one load (L) in a building automation system. The method comprises providing (S1) carbon dioxide emission control parameters based on carbon dioxide emission statistics, rece...
https://drivepatents.com/patents/980952 · 11 Dec 2013
A method and an apparatus implementing the method for an arrangement comprising a three-phase, multi-level invertern (11), an output LCL-filter (12) connecting the inverter to a grid (13), and a virtual-ground connection between the LCL-filter and the neut...
https://drivepatents.com/patents/981464 · 27 Nov 2013
The invention relates to a method of controlling a ship as well as to a ship, where the ship comprises at least one data collecting unit configured to collect operational data of the ship, at least one control computer for controlling an operation aspect o...
https://drivepatents.com/patents/984101 · 4 Sep 2013
A method and an apparatus for controlling a grid-connected converter (10) comprising a boost converter, a buck converter (12), and a current source inverter (13) comprising an output CL filter (132), wherein a buck converter (12) input is connected to a bo...
https://drivepatents.com/patents/987662 · 7 Aug 2013
A converter assembly comprising DC-DC converter means (4), inverter means (6), a DC link (5), input capacitor means (2), inductor means (7) and a neutral conductor (8), the DC-DC converter means (4) including at least one DC-DC converter unit (41, 42), the...
https://drivepatents.com/patents/984772 · 26 Jun 2013
The invention is related to a method, resonance handling device and computer program product for handling resonances in a power transmission system. The resonance handling device (28) comprises a resonance frequency determining unit (22) configured to obta...
https://drivepatents.com/patents/984848 · 5 Jun 2013
An electrical grid 10 is connected to a plurality of loads 24a, 24b and to at least two electrical energy sources 14, 22a, 22b and is divided into segments 20a, 20b by switches 18a, 18b. When controlling the electrical grid 10 a load power and an supply po...
https://drivepatents.com/patents/990925 · 8 May 2013
A method for detecting islanding conditions of a distributed grid, wherein transfer of power through a power electrical unit is controlled on the basis of a control reference and the method comprises a first stage and a second stage. The first stage compri...
https://drivepatents.com/patents/985153 · 3 Apr 2013
Systems and methods for integrating demand response with service restoration in an electric distribution system (10). The electric distribution system may include a plurality of regions, zones, and/or areas (20) including at least an outage area (62) that ...
https://drivepatents.com/patents/992553 · 27 Feb 2013
The invention includes a method for performing stochastic unit commitment for an electric power grid with a first weather dependent power generation unit and a second weather dependent power generation unit and a number of loads comprises the steps of prov...