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AssigneeABB AB
InventorsLennart Angquist, Per Hal Varsson, Lars Liljestrand, Stefan Valdemarsson, Claes Bengtsson, Willie Wong
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An electric network for generation and transmission of electric power, including a power generating part, a point of common connection for the power generating part, a transmission link, a load network, and a reactive power compensator. The transmission link is coupled between the point of common connection and a grid connection point at the load network. The reactive power compensator is coupled to transmission link. The power generating part includes at least one wind turbine with an electric generator of induction type, coupled to the point of common connection. The reactive power compensator includes a capacitor bank and in parallel coupling to the capacitor bank a controllable inductor having a magnetic core, a main winding for alternating current, and a DC-control winding for direct current. The DC-control winding for control of the magnetic flux is set up by the main winding via orthogonal magnetization of the core.
An electric network for generation and transmission of electric power, comprising a power generating part, a point of common connection for the power generating part, a transmission link, a load network, and a reactive power compensating means, the transmission link coupled between the point of common connection and a grid connection point at the load network, and the reactive power compensating means coupled to transmission link, wherein the power generating part comprises at least one wind turbine with an electric generator of induction type, coupled to the point of common connection, and wherein the reactive power compensating means comprises a capacitor bank and in parallel coupling to said capacitor bank a controllable inductor having a magnetic core, a main winding for alternating current, and a DC-control winding for direct current, said DC-control winding for control of the magnetic flux set up by the main winding via orthogonal magnetization of the core.
Use of a reactive power compensating means for compensation of reactive power in an electric network having a power generating part with at least one wind turbine with an electric generator of induction type, a point of common connection for the power generating part, a transmission link, a load network, the transmission link coupled between the point of common connection and a grid connection point at the load network, and the reactive power compensating means coupled to the transmission link, the reactive power compensating means having a capacitor bank and in parallel coupling to said capacitor bank a controllable inductor with a magnetic core, a main winding for alternating current, and a DC-control winding for direct current, said DC-control winding for control of the magnetic flux set up by the main winding via orthogonal magnetization of the core.
Dependencies are inferred from the claim text.