TY - RPRT TI - Test methodology for validation of multi-frequency models of renewable energy generators using small-signal perturbations AU - Nouri, Behnam AU - Kocewiak, Łukasz AU - Shah, Shahil AU - Koralewicz, Przemyslaw AU - Gevorgian, Vahan AU - Sørensen, Poul PY - 2021 DO - 10.1049/rpg2.12245 UR - https://www.osti.gov/biblio/1819072 ID - 1819072 ER -