| Essential Question | Level of Thinking |
| What are ground detection lights? What methods of grounding do they apply? | |
| What is an insulation monitoring system? How does it work? What methods of grounding does an Insulation Monitoring system work with? | |
| What are other methods of detecting a ground fault? | |
| How are ground faults localized and isolated? | |
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 9: Delta-Wye Transformer – 4 wire – HRG system – unbalanced load and ground fault
IEEE Std 45.1 IEEE Recommended Practice for Electrical Installations on Shipboard--Design
Doerry, Norbert H. and John V. Amy Jr., "Transient Simulation of Ground Faults in Ungrounded Power Systems," ASNE Intelligent Ships Symposium, ISS 2023, Philadelphia PA, May 1-3, 2023.
(C) Copyright 2024 Norbert Doerry
This work by Norbert Doerry is licensed under CC BY 4.0