Phase | Descriptions of operation |
A | Variable Speed Generator charges the flywheel to 100% state-of-charge. |
B | Hoisting up of container |
C | Spreader trolley left |
D | Hoisting down of container. Regenerated energy is used to charge the flywheel. |
E | Container is “dropped” and energy from flywheel is used to hoist up the unloaded spreader. |