Pre-standard
DIN IEC/TS 61400-11-2:2025-11
VDE V 0127-11-2:2025-11
Wind energy generation systems - Part 11-2: Acoustic noise measurement techniques - Measurement of wind turbine sound characteristics in receptor position (IEC TS 61400-11-2:2024)
- German title
- Windenergieanlagen - Teil 11-2: Schallmessverfahren - Geräuschmessung von Windenergieanlagen am Immissionsort (IEC TS 61400-11-2:2024)
- Publication date
- 2025-11
- Accessibility
- Original language
- German
- Pages
- 94
- Procedure
- Pre-Standard
- Publication date
- 2025-11
- Original language
- German
- Pages
- 94
- Procedure
- Pre-Standard
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Overview
The principal aim is to specify standardized measurement procedures and data analysis techniques for evaluating the A-weighted sound pressure level or other acoustic properties of wind energy generation systems at representative remote field locations. Acoustic measurements are complicated by wind, either directly (wind-induced microphone noise) or indirectly (noise from surrounding vegetation). Other sources of ambient noise, such as aircraft, trains, road traffic, or industrial/agricultural activities, as well as meteorological conditions, have an impact on the measurement results. This document can be used by regulators, authorities, measuring laboratories, developers, operators, and manufacturers for: - comparison with local regulations; - comparison with warranty values; - decision-making support in the absence of regulations; - evaluation of acoustic parameters and sound levels.