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Serial Hybrid

Electric motors replace the traditional main diesel engines, drawing electric power from onboard gensets, or an energy storage system in combination with gensets.

Traditional Diesel-Electric Propulsion (Veth)

Traditional Diesel-Electric Propulsion

Electric Motor with Generator Power & Energy Storage (Veth)

Electric Motor with Generator Power & Energy Storage

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Serial Hybrid

Electric Motor with Generator Power & Energy Storage

This serial hybrid system uses a single electric motor per drivetrain and can both generate power and store energy. The system optimizes fuel consumption with a constant-speed generator engine. It’s best suited for vessels (e.g., military vessels, ocean-going vessels, ferries, and large yachts) operating in restricted areas and zero-emission zones.
System Overview
  • Serial hybrid using electric power
  • Optimizes fuel consumption by replacing variable-speed propulsion engines with constant-speed generator engines
  • Machinery compartments can be located to optimize cargo space or meet class requirements
Reduction Gearbox
  • Allows for standard speed/smaller e-motor through motor speed reduction
  • Bi-directional input to utilize e-motor directional capabilities
  • Meets all applicable marine standards, including survey society approvals
Propulsion Controller
  • Twin Disc standard propulsion controller and operator interface
Hybrid Controller
  • Manages power distribution, interfacing with propulsion controller and high voltage equipment
E-Motor/Inverter, High Voltage Equipment
  • Selection based on application characteristics (torque, installation)
  • Controlled and monitored by hybrid controller
Energy Storage
  • Selection based on application characteristics
  • Controlled and monitored by hybrid controller
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