About 27 results
https://drivepatents.com/patents/979649 · 15 Jan 2014
An electrical system having a DC link and a method is such a system. The system comprising a controlled rectifier, an electrical power source connected to the controlled rectifier, the output of the controlled rectifier being connected to the DC link, mean...
https://drivepatents.com/patents/981226 · 4 Dec 2013
A method and an arrangement of determining starting conditions of a solar converter in a photovoltaic system, the photovoltaic system comprising a photovoltaic panel system having one or more photovoltaic panels, the method comprising determining the open ...
https://drivepatents.com/patents/983261 · 16 Oct 2013
An inverter assembly comprising a DC circuit, inverter means, and control means (CTRL) for controlling the inverter means, the inverter means being multilevel inverter means comprising a first half bridge (HB1) and a second half bridge (HB2), the control m...
https://drivepatents.com/patents/983828 · 2 Oct 2013
An aspect of the invention relates to a boost converter module for a solar energy system. The boost converter module comprises input poles (21, 22), output poles (31, 32) and a boost converter unit connected between the input poles (21, 22) and the output ...
https://drivepatents.com/patents/994015 · 9 Jan 2013
A method of connecting a plurality of solar panel units to an inverter in an arrangement comprising a plurality of switches. Each switch is configured to connect one of the solar panel units to a DC link of the inverter. The inverter comprises means for co...
https://drivepatents.com/patents/996047 · 14 Nov 2012
A method for controlling transfer of electrical power in island mode in an arrangement comprising a converter and a load connected to the converter through a filter. The method comprises determining voltage reference components for one or more frequency co...
https://drivepatents.com/patents/999768 · 1 Aug 2012
An arrangement and a method in connection with a solar energy system. The arrangement comprises solar panels (1) and a converter (2) for converting the DC voltage from the solar panels, which converter is arranged inside a container or a similar closed str...
https://drivepatents.com/patents/999982 · 25 Jul 2012
An apparatus for controlling voltages over series-connected DC power supplies (1.1 - 1. m ), comprising an inverter (2) comprising a positive input, a negative input, and means for controlling a voltage between the inputs. The apparatus also comprises a fi...
https://drivepatents.com/patents/1001605 · 6 Jun 2012
An alternating current conversion method and system that can adapt to varying voltages of the direct current sources comprise a first and second connection arrangements for the voltage sources (1) such that the direct current can be supplied to the DC/AC c...
https://drivepatents.com/patents/1005028 · 22 Feb 2012
An inverter for supplying a grid, where the inverter comprises a DC link comprising two capacitor units in series and a neutral point (V DC0 ) between the capacitor units, and a first and a second inverter leg. Both inverter legs are connected between the ...