Design and analysis of a Pseudo Direct-Drive propulsion motor

Naval vessels are increasingly employing integrated electric power systems to supply main propulsion and ship services, and are applied to most substantial benefit on vessels with highly variable mission cycles. Currently there is a desire to develop compact propulsion motors, where for surface vessels, the provision of a lower shaft-line height and thus lower rake angle results in higher propulsion efficiency, whilst overall mass and volume savings translate to increased payload or fuel capacity, and reduced through life costs of ownership.