Signal device for offshore wind farm
First Claim
1. An offshore wind farm comprising:
- at least two wind energy installations configured to generate electrical power from wind;
at least two acoustic warning devices, wherein the at least two acoustic warning devices each comprise a volume module configured to set the volume of the acoustic signals;
a visibility measuring device configured to detect visibility, wherein after detection of a visibility below a visibility limit value by the visibility measuring device, an activation signal is applied to the at least two acoustic warning devices;
a synchronization module configured to determine the points in time of acoustic signals to be emitted by at least one of the acoustic warning devices in relation to acoustic signals of the other or at least one of the other acoustic warning devices; and
a wind determining device configured to detect wind direction and wind strength, wherein the wind determining device acts on the volume signal applied to the volume module of at least one acoustic warning device.
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Accused Products
Abstract
An offshore wind farm can include at least two wind energy installations for generating electrical power from wind, at least two acoustic warning devices, and a visibility measuring device for detecting visibility. After detection of a visibility below a visibility limit value, an activation signal can be applied to the at least two acoustic warning devices. One or more synchronization modules can be provided which determine the points in time of the acoustic signals to be emitted by at least one of the acoustic warning devices in relation to the acoustic signals of the other acoustic warning devices. Accordingly, this facilitates the navigation along an offshore wind farm and enables safe circumnavigation. Also, the impression of a contiguous area can be conveyed to the ships by the synchronized emission of the warning signals.
15 Citations
15 Claims
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1. An offshore wind farm comprising:
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at least two wind energy installations configured to generate electrical power from wind; at least two acoustic warning devices, wherein the at least two acoustic warning devices each comprise a volume module configured to set the volume of the acoustic signals; a visibility measuring device configured to detect visibility, wherein after detection of a visibility below a visibility limit value by the visibility measuring device, an activation signal is applied to the at least two acoustic warning devices; a synchronization module configured to determine the points in time of acoustic signals to be emitted by at least one of the acoustic warning devices in relation to acoustic signals of the other or at least one of the other acoustic warning devices; and a wind determining device configured to detect wind direction and wind strength, wherein the wind determining device acts on the volume signal applied to the volume module of at least one acoustic warning device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for controlling at least two acoustic warning devices in an offshore wind farm comprising at least two wind energy installations for generating electrical power from wind, comprising the steps of:
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measuring visibility in the vicinity of at least one wind energy installation; activating the acoustic warning devices in the event of a predetermined visibility limit value being undershot; synchronizing signal emission of the acoustic warning devices with respect to one another; and setting volume of the acoustic warning devices in a manner dependent on wind direction and wind strength. - View Dependent Claims (11, 12, 13, 14, 15)
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Specification