Marine Electrical Power Systems:
Images:
One-Line Diagram Figures

Last Update: April 9, 2026

Figures created by Norbert Doerry for the One-Line Diagram document



Generator set symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Circuit interrupter symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Switchboard symbol

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Switchboard symbol

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Switchboard symbol

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Transformer symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Rectifier symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



DC-DC converter symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



AC-AC converter symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Inverter symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Propulsion motor symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Motor symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Grounding - earthing symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Grounding system symbols

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0



Typical cruise ship one-line diagram

Image (C) Copyright 2026 by Norbert Doerry – licensed via CC BY 4.0

CorelDraw File

(C) Copyright 2026 Norbert Doerry

This work by Norbert Doerry is licensed under CC BY 4.0

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