Low Voltage Ride through (LVRT) of DFIG and PMSM wind turbine

Noorcheshma, P.; Sreedevi, J.; Sivaprasad, V.

doi:10.1109/icecct.2015.7225999

Cited by 3 publications

(1 citation statement)

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“…Nearly all grid codes and standards like [2,3] require that wind turbines do not disconnect from the grid for a defined period in the event of a fault. This so-called under-voltage ride through (UVRT) requirement means that in the event of a voltage dip, the wind turbine (like any decentralized generation unit) must support the grid by feeding in a reactive current and thus contribute to grid stability [4]. The UVRT tests require different voltage profiles at the point of common coupling (PCC) of the wind turbine, which are produced by voltage sag generators (VSG).…”

Section: Introductionmentioning

confidence: 99%

Influence of the grid parameters during under voltage ride through (UVRT) testing

Frehn

Grune²,

Röttgers³

et al. 2021

Forsch Ingenieurwes

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Under-voltage ride through (UVRT) tests can be carried out on system test benches, most of them are equipped with a converter based grid simulator. This paper describes the control of the artificial grid impedance at the 4 MW test bench at CWD. Validation measurements with the commercial wind turbine E‑115 E2 show that the virtual impedance specification is sufficient to perform UVRT tests with different grid parameters. Comparative measurements between the voltage divider based FRT Container and the grid simulator with deliberately different grid parameters show a different behavior of the research wind turbine FVA nacelle. Therefore, it is recommended to perform UVRT tests on the test bench with predefined grid parameters.

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Section: Introductionmentioning

confidence: 99%