AT545980T

Wind turbine with parallel converters utilizing a plurality of isolated generator windings

Abstract

A power system (10) for providing an output power to a load (21), the system comprising: a generator (14) configured to generate an input power alternating current to a system of power converters (20); system power converters (20) coupled to the generator (14) and interconnected to generate an output power and provide the output power to the load (21), wherein the system power converters (20) includes a plurality of wires parallel converter (20 - 1, 20 - 2, 20 - 3, 20 - n), each wire converter (20 - 1, 20 - 2, 20 - 3, 20 - n), an bridge (30) generator converter for converting AC - DC connected to a bridge (40) charging converter for converting DC - AC via a DC link (35); a control system of the converter (24) coupled to the system power converters (20) and configured to excite the system power converters (20) to reduce harmonic components in the output power or input power current Alternatively, and isolation means (305) for the input power to the system power converters generator (14) adapted to prevent the flow of common mode current between the wires parallel converter (20 - 1, 20 - 2, 20 - 3, 20 - n) for switching the power semiconductors in the respective threads parallel converter (20 - 1, 20 - 2, 20 - 3, 20 - n) for causing a voltage difference between the wires parallel converter (20 - 1, 20 - 2, 20 - 3, 20 - n) including said means of insulation for input power a plurality of sets of windings of insulated power (310, 315, 320, 325) the generator (14), wherein each set of the plurality of sets of windings insulated power in the generator interconnects with a thread converter corresponding parallel the plurality of parallel threads converter (20-1, 20-2, 20 - 3, 20 - n), and wherein the set of windings insulated power in the generator (14) comprises a winding three-phase power (305) and each of the plurality of parallel threads converter (20-1 , 20-2, 20-3, 20 - n) comprises a three-phase power input (340, 345, 350, 355).

Term

2.7 yearsleft in the term

Expires 19 June 2029.

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Priority claims
DocumentOfficeKindDate
16415808United States of AmericaA
16415808United States of AmericaA
164158
US20080164158