Engine 2014: Electricity

1. A the port propulsion motor would have to be secured entirely
2. B the port propulsion motor would be operated at half-power using the functional synchroconverter and only one stator winding
3. C the port propulsion motor would have to be reconfigured so that one synchroconverter could feed both stator windings
4. D the port propulsion motor would have to be reconfigured so that the failed synchroconverter is bypassed and fed directly from the propulsion transformer

Tip: press A-D to answer