LVRT Impact on Tower Loads, Drivetrain Torque and Rotational Speed—Measurement Results of a 2-MW Class DFIG Wind Turbine

Mathias Arbeiter, Martin Hopp and Martin Huhn
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Mathias Arbeiter: Suzlon Energy Ltd., German Branch, 18057 Rostock, Germany
Martin Hopp: Suzlon Energy Ltd., German Branch, 18057 Rostock, Germany
Martin Huhn: Department of Mechanical Engineering and Business Administration, Technical University of Applied Sciences Lübeck, 23562 Lübeck, Germany

Energies, 2021, vol. 14, issue 12, 1-13

Abstract: With an increasing share in energy production, wind turbines have to fulfill strict grid requirements to support the grid in case of discontinuities. Here LVRT (Low Voltage Ride Through) compliance is one essential part, where the turbine has to stay connected to the grid in case of voltage drops and is not allowed to stop. This paper comprises measured low-voltage events from an LVRT campaign with a focus on the mechanical loads for the drivetrain and tower during these temporary and instant drops of power. Moreover, we analyze the turbine operation itself, like the rotational speed, which is essential to keep the turbine within its operational parameters and design limits.

Keywords: wind turbine; low voltage ride through; LVRT; fault ride through (FRT); grid code; grid compliance; voltage dip depth; power recovery time; measurement; loads; turbine operation; over speed; tower oscillation; drivetrain eigenfrequency; drivetrain torque; tower loads (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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