Calculation of the three-phase internal fault currents in medium-voltage electrical installations

authored by

Xiang Zhang, Jiaosuo Zhang, Gerhard Pietsch

Abstract

Fault arc tests showed that the three-phase fault arc currents depend on the arrangement of electrodes at the fault site and vary stochastically. Up to now, experimental investigations have mainly been carried out for the medium-voltage switchgears, and the fault arc currents are either recognized by the experimental results or derived by the probability method. A calculation method used for the determination of the three-phase fault arc currents is introduced in this paper, which can be expressed accurately by mathematics according to the characteristics of the three-phase internal faults.

Organisation(s)

High Voltage Engineering and Asset Management Section (Schering Institute)

External Organisation(s)

RWTH Aachen University
Siemens AG

Type

Article

Journal

IEEE Transactions on Power Delivery

Volume

23

Pages

1685-1686

No. of pages

2

ISSN

0885-8977

Publication date

07.2008

Publication status

Published

Peer reviewed

Yes

ASJC Scopus subject areas

Energy Engineering and Power Technology, Electrical and Electronic Engineering

Electronic version(s)

https://doi.org/10.1109/TPWRD.2008.923109 (Access: Closed)