Figure 5. Direction X: Vectors for reference (nominal speed, excited), 75 MW (black), 100 MW (red), 120 MW (green) and 144 MW (blue) for TGB-X, LGB-X, UGB-X – upper row. Differences from reference value: (75 MW – reference) – black, (100 MW – reference) – red, (120 MW – reference) – green, (144 MW – reference) – blue – lower row.