Patent No. EP4409134 (titled "Method And System For Protecting Wind Turbines") was filed by Siemens Gamesa Renewable Energy on Nov 9, 2022. The application was issued on Jan 15, 2025.
A method for protecting wind turbines against cyber-attacks by introducing a countdown period between receiving a trigger signal from a monitoring device and applying a protective measure. The countdown allows for evaluation of the trigger signal's validity before taking action, enabling the system to ignore invalid signals and prevent unnecessary shutdowns. The countdown period can be dynamically determined based on the apparent cause of the trigger signal, and can be extended or aborted by operators or a global monitoring center.

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