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논문 기본 정보

자료유형
학술저널
저자정보
Mkhululi Elvis Siyanda Mnguni (Cape Peninsula University of Technology) Raynitchka Tzoneva (Cape Peninsula University of Technology)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.10 No.3
발행연도
2015.5
수록면
740 - 754 (15page)

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초록· 키워드

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This paper focuses on the reverse blocking busbar protection scheme with aim to improve the speed of its operation and at the same time to increase operational reliability, flexibility and stability of the protection during external and internal faults by implementation of the extended functionality provided by the IEC61850 standard-based protective Intelligent Electronic Devices (IEDs). The practical implementation of the scheme by the use of IEC 61850 standard communication protocol is investigated. The proposed scheme is designed for a radial type of a distribution network and is modeled and simulated in the DigSILENT software environment for various faults on the busbar and its outgoing feeders. A laboratory test bench is built using three ABB IEDs 670 series that are compliant with the IEC 61850 standard, CMC 356 Omicron test injection device, PC, MOXA switch, and a DC power supplier. Two types of the reverse blocking signals between the IEDs in the test bench are considered: hard wired and Ethernet communication by using IEC 61850 standard GOOSE messages. Comparative experimental study of the operational trip response speeds of the two implementations for various traffic conditions of the communication network shows that the performance of the protection scheme for the case of Ethernet IEC 61850 standard-based communication is better.

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Abstract
1. Introduction
2. Distribution Network Modeling
3. Calculation and Simulation of the Short Circuit Currents
4. Selection of the Busbar Protection Scheme Characteristics and its Operation Investigation by Simulation
5. IEC 61850 Standard Requirements to the Digital Relays (IEDs)
6. IEC 61850 Standard Based Operation of the Busbar Protection Scheme
7. The Development of the Laboratory Test Bench
8. Implementation of the Practical Experiment
9. Communication Establishment Between PCM600 Software and the IED’s
10. GOOSE Engineering of the Laboratory Test Bench
11. Practical Experiment Results for the Fault at the Outgoing Feeder
12. Discussion of the Obtained Results
13. Conclusion
References

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