TY - JOUR KW - WETI AU - Prof. Dr. Clemens Jauch AU - S. Hippel BT - IET Renewable Power Generation DO - 10.1049/iet-rpg.2015.0223 IS - 1 PY - 2016 SE - 33 EP - 9 T2 - IET Renewable Power Generation TI - Hydraulic–pneumatic flywheel system in a wind turbine rotor for inertia control VL - 10 ER -