Method and arrangement for controlling an operation of an electric energy production facility during a disconnection to a utility grid
First Claim
1. A method for operating an electric energy production facility comprising at least one wind turbine during a fault in a utility grid to which energy is to be delivered, the method comprising:
- disconnecting the utility grid from the wind turbine,connecting an external generator via a cable to an auxiliary equipment of the wind turbine, to deliver active power to the auxiliary equipment,wherein the cable is connected via a transformer to a converter of the wind turbine, andwherein the converter supports reactive power.
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Accused Products
Abstract
A method is provided for operating an electric energy production facility during a fault in a utility grid to which energy is to be delivered. The energy production facility includes at least one wind turbine. The method includes disconnecting the utility grid from the wind turbine. The method further includes connecting an external generator via a cable to an auxiliary equipment of the wind turbine, to deliver active power to the auxiliary equipment. The cable is connected to a converter of the wind turbine the converter supporting reactive power. A corresponding arrangement also provided.
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Citations
16 Claims
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1. A method for operating an electric energy production facility comprising at least one wind turbine during a fault in a utility grid to which energy is to be delivered, the method comprising:
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disconnecting the utility grid from the wind turbine, connecting an external generator via a cable to an auxiliary equipment of the wind turbine, to deliver active power to the auxiliary equipment, wherein the cable is connected via a transformer to a converter of the wind turbine, and wherein the converter supports reactive power. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. An arrangement for controlling an operation of an electric energy production facility comprising at least one wind turbine during a disconnection of a utility grid to which energy is to be delivered, the arrangement comprising:
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a switch for disconnecting the utility grid from the wind turbine, and a switch for connecting an external generator via a cable and via a transformer to an auxiliary equipment of the wind turbine, to deliver active power to the auxiliary equipment, wherein the cable is connected to a converter of the wind turbine, the converter supporting reactive power. - View Dependent Claims (15, 16)
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Specification