Abstract
Most accidents occurred in power receiving & transforming facility are ground fault. The quality of power supply is deteriorated since the ground fault is not detected promptly. This paper analyzes the problems about system-grounding type of 2 step power receiving & transforming facility, arrangement of protection relaying scheme and ground-fault protection system of ungrounded system. Then, this paper presents the arranging scheme of system-grounding type to improve power supply reliability.
Translated title of the contribution | A Study on Trouble and Arrangement of the Ground-Fault Protection for 2 Step Voltage Distribution System of Premises |
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Original language | Korean |
Pages (from-to) | 73-77 |
Number of pages | 5 |
Journal | 조명.전기설비학회논문지 |
Volume | 24 |
Issue number | 10 |
DOIs | |
State | Published - Oct 2010 |