%0 Journal Article %T Research on optimization strategy of grid frequency modulation based on doubly-fed wind turbines %A Wang, Chao %A Xu, Jianyuan %A Wang, Liang %A Song, Dan %J International Journal of Low-Carbon Technologies %V Advance Article %P 1-1 %@ 1748-1317 %D 2020-08-24 %I Oxford University Press %~ DeepDyve