The power supply system (1) for arc furnace (2), includes:- a power converter (9), and- a polyphase transformer (10),The power supply system further comprises first disconnecting means (13) connecting the input of the power converter to the primary circuit...

The invention provides a converter (2a), and in particular a current source converter (CSC). The converter includes a bridge (14a) having an ac terminal (16a-16c) for each of one or more ac lines, and first and second dc terminals (18a, 18b). A converter a...

An offshore wind farm includes a plurality of wind turbines (6) connected to an onshore converter station by means of a distributed power transmission system. The power transmission system includes a series of offshore converter platforms (2, 2') distribut...

The present invention provides a power distribution system such as a marine power distribution and propulsion system (20). The system includes an ac busbar (2) and a plurality of active front end (AFE) power converters (4, 22). Each AFE power converter (4,...

The present invention provides a power distribution system that does not rely on a fixed frequency and which therefore allows prime movers (D1...D4) to run at different speeds in response to load demand, typically so that fuel consumption and/or harmful ex...

The present invention provides a data fusion architecture with a plurality of sensors (4 1 , 4 2 ... 4 M ), optionally position measuring equipment (PMEs). Each sensor supplies measurement data x 1 , x 2 ...x M and is associated with accuracy data H 1 , H ...

The system (20) has a converter (48) whose input is connected to a power source (14) and output is connected to a load i.e. auxiliary equipment (22). A circulation bus (16) circulates electric current and includes two ends (33, 34). An injection device (50...

The compensator (10) has a control unit (22) comprising a computation unit to generate a target control current from a current to be compensated. A combining unit combines the target current and an alternating output current from a voltage inverter (20) to...

The present invention provides a method of controlling a combined plant to provide frequency support to a power grid operating at a variable grid frequency. The combined plant includes at least one generator (e.g. a plurality of wind turbine generators) an...

The compensator (10) has electric terminals (12) connected with an electric alternating current network (11). Bidirectional voltage inverters (16) are parallely connected with each other and connected to corresponding capacitors (14), and convert direct cu...