KÖTTER Consulting Engineers (KCE) carries out emission and immission acoustic measurements for all wind turbine types and manufacturers relevant in Germany and prepares noise and shadow forecasts for wind turbines. Due to the measurement of almost all current wind turbine types and the processing of various wind turbine concepts, KCE has a wealth of experience in the field of sound and vibration engineering issues in wind turbines. Our services at a glance: Consultation • Support in the acoustic planning or modification of wind turbines • Support in discussions with authorities • Preparation of expert opinions for licensing authorities Forecasts • Forecast calculations for noise immissions and shadows for site planning and building permits• Implementation of on-site visits• Development of proposals for noise reduction measures Acoustic measurementsEmission measurement • Implementation of FGW- and IEC-compliant emission measurements to determine the acoustic parameters of wind turbines• Evaluation of different operating modes• Overview measurements in the near and far range to determine the tonality Immission measurement • Implementation of immission measurements according to TA Lärm to assess the sound situation on site• Evaluation of different operating modes Construction acoustics • Research and development for wind turbines in the field of sound and vibration technology• Acoustic weak point analysis• Component testing and optimization• FEM calculations