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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ma Hongjiang Zeng Xiangjun Wang Yuanyuan Li Zewen |
| Copyright Year | 2005 |
| Description | Author affiliation: Sch. of Electr. & Inf. Eng., Changsha Univ. of Sci. & Technol., Hunan (Ma Hongjiang; Zeng Xiangjun; Wang Yuanyuan; Li Zewen) |
| Abstract | Many power distribution systems have been operated with neutral unearthed, high resistance earthed or resonance earthed, they are usually called ineffectively earthed systems. The ground fault current in the ineffectively earthed systems is usually not more than ten amperes, general over-current relay is difficult to detect the ground fault and isolate the faulted feeder section. Some ground faulted feeder detection schemes have been used by comparing magnitudes or directions of zero sequence currents in all feeders. The schemes need to measure all feeders' currents, and they cannot be implemented on field terminal unit (FTU), which is installed in distribution automation system and can only measure the current of the protected feeder. In order to improve them, some FTU based ground fault protectors are developed by our research group. Among them, the grounding fault protection scheme with fault resistance measuring is presented in this paper |
| Starting Page | 1 |
| Ending Page | 3 |
| File Size | 274754 |
| Page Count | 3 |
| File Format | |
| ISBN | 0780391144 |
| DOI | 10.1109/TDC.2005.1547106 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-08-18 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Grounding Ground fault protection Faulty line selection FTU Single-phase fault Distribution automation Electrical resistance measurement Power system faults Power system measurements Power measurement Fault detection Current measurement Power system protection Power distribution Power system relaying Ineffectively earthed power system |
| Content Type | Text |
| Resource Type | Article |
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