Method of controlling a wind turbine connected to an electric utility grid
First Claim
1. Method of controlling a wind turbine, including an electric generator and a power converter, connected to an electric utility grid during a malfunction in said grid, said method comprising detecting the malfunction in said electric utility grid, and operating at least two control units of said power converter in relation to at least one power converter limit value and at least one further value;
- wherein said at least two units comprise a plurality of resistor blocks wherein each block includes at least one resistor and switch.
1 Assignment
2 Petitions
Accused Products
Abstract
Method of controlling a wind turbine connected to an electric utility grid during malfunction in the electric utility grid is provided. The method includes the steps of detecting a malfunction in the electric utility grid and operating at least two control units of a power converter in relation to at least one power converter limit value. A control system for a wind turbine connected to a utility grid and a wind turbine is also provided.
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Citations
15 Claims
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1. Method of controlling a wind turbine, including an electric generator and a power converter, connected to an electric utility grid during a malfunction in said grid, said method comprising detecting the malfunction in said electric utility grid, and operating at least two control units of said power converter in relation to at least one power converter limit value and at least one further value;
wherein said at least two units comprise a plurality of resistor blocks wherein each block includes at least one resistor and switch. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- 10. Control system for controlling a wind turbine connected to an electric utility grid during a malfunction in said grid, said system comprising means for detecting the malfunction in said electric utility grid, a power converter, and at least two control units of said power converter controlled in relation to at least one power converter limit value during said malfunction and at least one further value, wherein said at least two units comprise a plurality of resistor blocks wherein each block includes at least one resistor and switch.
Specification