Nacelle transfer function inconsistent over time
Understanding the nacelle transfer function inconsistent over time turbine issue check
What is the purpose of the turbine issue check?
- A given turbine has a nacelle transfer function that changes over time, either continuously, intermittently, or with discrete change points.
What does this look like?
- In this example, the nacelle transfer function changed in September 2020
- Turbine could be underperforming due to a mismatch between anemometer and nacelle transfer function
![](https://lh5.googleusercontent.com/c0NWql8Fzj6gzluqUIEsqUFZ151Z8anur3Sm25I3j0yjWEpbQYSr7DS8IwkH_blKoY58LAKlu9pznB7wUk-ZCU0Y8LEKivsmkDY87yeGcARLk8cyS8EO-x5Sgxz8mAIX29DfGMa6-LlGLtG7ifE0AJA)