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Wind Turbine Electrical Characteristics Testing

Testing services to help you plan for safe grid connections and verify applicable limits of your wind turbines.

Technicians inspecting wind turbines

Testing for grid connection and limit verification

In the field of grid integration, UL carries out measurements and evaluations to determine the electrical characteristics and grid compatibility of wind turbines. The measurements are required for planning grid connections and verifying applicable limits, but they also facilitate an exact analysis of the electrical behavior of the generation units and systems, which is important for their design, development and optimization. In this connection, UL also carries out calculations of required grid capacities as well as power quality and background interference measurements.

UL tests to the following standards:

  • Technische Richtlinien für Erzeugungseinheiten und -anlagen, Teil 3 (TR3): Bestimmung der elektrischen Eigenschaften von Erzeugungseinheiten und -anlagen, Speicher sowie für deren Komponenten am Mittel-, Hoch- und Höchstspannungsnetz; Rev. 25; Stand: 01.09.2018; Herausgeber: Fördergesellschaft Windenergie und andere Dezentrale Energien (FGW e.V.)
  • IEC 61400-21: Wind turbines – Part 21: Measurement and assessment of power quality characteristics of grid connected wind turbines; Edition 2.0 2008-08.

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