Marine Electrical Power Systems:
Electric Power Load Analysis (EPLA):
Ship Operating Conditions and Mission Profiles

Last Update: March 9, 2026

Essential Questions

Essential Question Level of Thinking
What are ship operational (operating) conditions and what are they used for?
Understand
What are operational modes and ship states and what are they used for?
Understand
What is a ship state participation table and what is it used for?
Understand
What is a ship deployment and employment profile and what is it used for?
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Text Material

Operating Conditions and Profiles

Ship Operational Conditions and Mission Profiles - Examples

Developing a generator set scheduling table

Developing a propulsion scheduling table

Presentation Material

Ship Operating Conditions and Mission Profiles - Examples (PowerPoint)

Ship Operating Conditions and Mission Profiles - Examples (pdf)

Images

Video Material

References

DPC 200-1 Calculation of Surface Ship Endurance Fuel Requirements

DPC 200-2 Calculation of Surface Ship Annual Energy Usage, Annual Energy Cost, and Fully Burdened Cost of Energy

DPC 310-1 Electric Power Load Analysis (EPLA) for Surface Ships

IEEE Std 45.1 IEEE Recommended Practice for Electrical Installations on Shipboard--Design

IEEE Std 45.3 IEEE Recommended Practice for Electrical Installations on Shipboard--Systems Engineering

Doerry, Dr. Norbert H. and Dr. Philip Koenig, "Framework for Analyzing Modular, Adaptable and Flexible Surface Combatants," presented at SNAME Maritime Convention, Houston, TX, October 25-27, 2017

Doerry, Norbert, and Mark A. Parsons, "Modeling Shipboard Power Systems for Endurance and Annual Fuel Calculations," SNAME J Ship Prod Des (2023)


(C) Copyright 2024,2026 Norbert Doerry

This work by Norbert Doerry is licensed under CC BY 4.0

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