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Investigations on the Over-voltage stress of HV Faults on the MV Distribution Substations in Resonant Grounded Networks

conference contribution
posted on 2019-01-01, 00:00 authored by Ameen GargoomAmeen Gargoom, Enamul HaqueEnamul Haque, Aman Maung Than OoAman Maung Than Oo, M Cavanagh, H Al-Khalidi, M Chng
© 2019 IEEE. The issue of transient over-voltage on medium voltage distribution substations due to ground faults on high voltage side of the networks has been investigated adequately in the literature for solidly (or resistively) grounded systems. However, in case of resonant grounded systems, this issue has not been sufficiently addressed previously despite the over-voltages when associated with resonant grounded systems are more excessive in case of faults. The paper, therefore, puts forward a detailed explanation of the issue and illustrates the main factors that can intensify the impact of such over-voltage stress. Simulations of a practical power system is used to illustrate the impacts of the issue on two cases; first, when the high voltage faults occur inside and second, when faults occur outside the main distribution zone substation.

History

Event

IEEE Power & Energy Society General Meeting. (2019): Atlanta, Ga.)

Pagination

1 - 5

Publisher

IEEE

Location

Atlanta, Ga.

Place of publication

Piscataway, N.J.

Start date

2019-08-04

End date

2019-08-08

ISSN

1944-9925

eISSN

1944-9933

ISBN-13

9781728119816

Publication classification

E1 Full written paper - refereed

Title of proceedings

PESGM 2019 : [Proceedings] IEEE Power & Energy Society 2019 General Meeting

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