A Novel Fault Location Method and Algorithm for DC Distribution Protection

被引：0
|
作者：
Feng, Xianyong [1 ]
Qi, Li [2 ]
Pan, Jiuping [2 ]
机构：
[1] Univ Texas Austin, Ctr Electromech, 10100 Burnet Rd, Austin, TX 78758 USA
[2] ABB Inc, US Corp Res Ctr, Raleigh, NC 27606 USA
来源：
2016 52ND ANNUAL MEETING OF THE IEEE INDUSTRY APPLICATIONS SOCIETY (IAS) | 2016年
关键词：
DC distribution system; DC protection; fault detection; fault location; impedance;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
DC fault current is contributed by various distributed energy resources in DC distribution systems. Most DC distribution systems have low line impedance. The fault current increases fast because of the low impedance. Some converters in DC distribution systems include Fault Current Limiting (FCL) function. The controlled fault currents at different locations are very close. Thus, it is important to design a reliable and fast fault detection and location method for DC distribution systems. This paper proposes a novel local measurement-based fault location algorithm for DC distribution systems. The proposed fault location algorithm can estimate the equivalent inductance from a protective device to a fault in less than one millisecond. The performance of the developed protection algorithm was validated in both numerical simulation and hardware testing.
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页数：5
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