Abstract

Design of Electric Underwater Vehicle Engine: Efficient No-fuel Consuming Substitute for Marine Diesel Engine

Highlights

  • IntroductionIn accordance with the proposal, electricity without any dependency on gasoline is used as the driving source for propelling the vehicle

  • The engine is housing a propeller fan, a compressive body housing a 75KWh rechargeable battery pack, 4 pole 3 phase Induction motor, inverter and a single speed transmission 9.73:1 gearbox connected to the driving shaft which in turn drives the turbine at the outlet

  • The turbine being coaxially connected to the motor acts like a generator generating around 69KW during braking of vehicle through regenerative braking which is in turn used to charge the battery pack

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Summary

Introduction

In accordance with the proposal, electricity without any dependency on gasoline is used as the driving source for propelling the vehicle. Electricity here is produced by a Battery which drives the 4 pole 3 phase induction motor to propel the vehicle under water. Electricity from the lithium ion battery is first converted from DC to AC with the help of an inverter. The AC supply is fed into the motor which employs its rotor to drive the propeller fan at the front of the vehicle at an average speed of 5990 RPM. A Single Speed transmission or a gear box is installed in between the motor and inverter so as to use the power of the motor to drive the propeller and turbine axially mounted on the same shaft. Cutting off the supply or releasing the acceleration pedal would suffice. (Figure 1)

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