Research on step voltage of medium voltage shore power system near fault location

The step voltage carried on by personnel is researched when single-phase grounding fault of medium voltage shore power system occurs. The experiments are designed to measure resistance value from the coastline to the ground point and the resistivity of sea water. According to the data obtained from...

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Bibliographic Details
Published in2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) pp. 1005 - 1009
Main Authors Yang Feng, Luo Ningzhao, Huang Jing, Wu Benxiang
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.12.2015
Subjects
Ammeters
Decision support systems
Electrical resistance measurement
Erbium
finite element
Grounding
medium voltage shore power
Q measurement
Resistance
step voltage
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Summary:The step voltage carried on by personnel is researched when single-phase grounding fault of medium voltage shore power system occurs. The experiments are designed to measure resistance value from the coastline to the ground point and the resistivity of sea water. According to the data obtained from experiments, the finite element model is established though ANSYS, the potential distribution from the hull to the fault point is calculated when single-phase fault of medium voltage shore power system occurs, and the decay of surface potential in the wharf is obtained, especially drop speed of potential near the point of failure is paid close attention, the safety range of step voltage to terminal staffs is obtained.
ISBN:1479919799
9781479919796
DOI:10.1109/IAEAC.2015.7428708