| 摘要 |
An automatic rollover circuit is included in a marine turbine control system, the automatic rollover circuit capable of detecting zero-shaft speed and directing an output signal to the valve position control for opening either ahead and astern valves. If rollover is detected, then the automatic rollover circuit is reset to await the next zero-speed condition. If rollover does not occur, the automatic rollover circuit is reset to attempt a rollover in the opposite direction and a shaft-stopped alarm is activated. A rollover trip circuit is also included as a protective device when the automatic rollover circuit is in use. |
