Marine Electrical Power Systems:
Electrical Power Generation, Power Conversion, and Energy Storage:
MVAC to LVAC transformers

Last Update: November 2, 2024

Essential Questions

Essential Question Level of Thinking
What is the basic theory of operation of a MVAC to LVAC transformer?
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How are MVAC to LVAC transformers modeled for steady-state analysis?
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How are MVAC to LVAC transformers modeled for dynamic analysis?
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What are the machinery arrangement implications of MVAC to LVAC transformers?
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What is the prupose of a premagnetization circuit?
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How do MVAC to LVAC transformers impact the design of power system fault protection systems?
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Text Material

Presentation Material

Video Material

Experiment 1: Delta-Delta Transformer – Balanced Operation – ungrounded

Experiment 2: Delta-Delta Transformer – ungrounded system – Ground Fault

Experiment 3: Delta-Delta Transformer – ungrounded system – unbalanced load

Experiment 4: Wye-Delta Transformer – ungrounded system – unbalanced load

Experiment 5: Delta-Wye Transformer – ungrounded system – unbalanced load

Experiment 6: Delta-Wye Transformer – 4 wire – ungrounded system – unbalanced load

Experiment 7: Delta-Wye Transformer – 4 wire – ungrounded system – ground fault

Experiment 8: Delta-Wye Transformer – 4 wire – solidly grounded system – unbalanced load and ground fault

Experiment 9: Delta-Wye Transformer – 4 wire – HRG system – unbalanced load and ground fault

References

MIL-STD_3045 U.S. Navy Surface Ship Machinery Arrangements

James L. Kirtley Electric Power Principles: Sources, Conversion, Distribution and Use, 2nd Edition, Wiley, March 2020, ISBN: 978-1-119-58517-6

Giuffrida, Marco, Electrical Plants and Electric Propulsion on Ships, Published Nov 14, 2018 on www.lulu.com

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

Dalton, Thomas, "Power Application Limitations of AC Shipboard Electric Plants for US Navy Ships," presented at ASNE TSS 2019, June 18-20, 2019, Washington DC.


(C) Copyright 2024 Norbert Doerry

This work by Norbert Doerry is licensed under CC BY 4.0

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