Marine Electrical Power Systems:
Images:
Electrical Distribution System Grounding

Figures created by Norbert Doerry for the Electrical Distribution System Grounding paper and presentation

Zigzag Grounding Transformer

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

Wye-Delta Grounding Transformer

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

Wye-Broken Delta Grounding Transformer

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

Grounding system for nonmetallic hull grounded power system

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

Grounding system for nonmetallic hull ungrounded power system

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

Equipment Bonding

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

Equipment Bonding

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

Equipment Bonding

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

Equipment Bonding

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

Grounding transformer at generator switchboards

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

Grounding transformer at zonal switchboards

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

Grounding transformer at zonal switchboards with ground bus

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

120 volt outlet with equipment ground circled

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

CorelDraw source file

PowerPoint source file

(C) Copyright 2026 Norbert Doerry

This work by Norbert Doerry is licensed under CC BY 4.0