A Novel DC Transients Based Differential Protection Scheme for Transmission System

被引：0
|
作者：
Latha, Adharapurapu Hema [1 ]
Bhimasingu, Ravikumar [2 ]
Katta, Sobhan Babu [2 ]
机构：
[1] APTRANSCO, Power Syst Wing, Vijayawada, India
[2] IIT Hyderabad, Dept Elect Engn, Hyderabad, India
来源：
IEEE INDICON: 15TH IEEE INDIA COUNCIL INTERNATIONAL CONFERENCE | 2018年
关键词：
Transmission Line Differential Protection; DC Transient Current;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a novel differential protection scheme based on DC transients of the fault currents is proposed for the protection of the transmission system. The polarity of the fault current DC transients are used for identifying different types of fault. Certain issues like operation under high resistance faults and line charging current in which conventional differential protection maloperates are discussed. The proposed differential technique using DC transients possesses higher sensitivity and security towards high resistance faults and line charging currents. A 10 bus system is considered and simulated using PSCAD for illustating the efficacy of the proposed differential protection.
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页数：6
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