A novel scheme for current-only directional overcurrent relay
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- 作者：Morteza Nojavan ; m.nojavan@tabrizu.ac.ir" class="auth_mail" title="E-mail the corresponding author ; Heresh Seyedi hseyedi@tabrizu.ac.ir" class="auth_mail" title="E-mail the corresponding author ; Mehdi Mehdinejad m.mehdinejad1369@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Directional relay ; Superimposed component ; Current signal
- 刊名：International Journal of Electrical Power & Energy Systems
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：82
- 期：Complete
- 页码：252-263
- 全文大小：1054 K
文摘
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The new directional relay algorithm is proposed to detect fault direction.
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The algorithm uses only current signal in relay location to detect fault direction.
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The algorithm is capable to detect fault direction in different situations.
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The algorithm is efficient in the case of close-in faults.
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The algorithm needs half cycle after fault to detect direction.