Marine Electrical Power Systems:
Electric Power Load Analysis (EPLA):
Inrush current analysis

Last Update: July 13, 2026

Essential Questions

Essential Question Level of Thinking
What are the characteristics of inrush current for different types of equipment?
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What are system implications of inrush current on ac systems powered by generators? Powered by transformers?
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What are system implications of inrush current on systems powered by power electronic converters?
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What can be done to mitigate the impact of inrush current on system performance?
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How is inrush current analysis performed?
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Text Material

Inrush Current Analysis (docx)

Presentation Material

Inrush Current Analysis Presentation ... (pptx)

Images

Inrush Current Analysis Figures

Video Material

References

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

NFPA 70 National Electrical Code (NEC)

Doerry, Norbert, "Voltage Drop Calculations on Shipboard Power Systems", presented at 16th International Symposium on Practical Design of Ships and Other Floating Structures PRADS 2025, Ann Arbor, MI, USA, October 19th - 23rd 2025.


(C) Copyright 2024,2026 Norbert Doerry

This work by Norbert Doerry is licensed under CC BY 4.0

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