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논문 기본 정보

자료유형
학술저널
저자정보
K. Bala Krishna (Vignan’s Foundation for Science, Technology & Research) K. Mercy Rosalina (Vignan’s Foundation for Science, Technology & Research) N. Ramaraj (Adama Science and Technology University)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.13 No.5
발행연도
2018.9
수록면
1,814 - 1,820 (7page)

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초록· 키워드

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State estimation of power systems has become vital in recent days of power operation and control. SCADA and EMS are intended for the state estimation and to communicate and monitor the systems which are operated at specified time. Although various methods are used we can achieve the better results by using PMU technique. On placing the PMU, operating time is reduced and making the performance reliable. In this paper, PMU placement is done in two ways. Those are ‘optimal technique with pruning operation’ and ‘depth of unobservability’ considering incomplete and complete observability of a network. By Depth of Unobservability Number of PMUs are reduced to attain Observability of the network. Proposed methods are tested on IEEE 14, 30, 57, SR-system and Sub systems (1, 2) with bus size of 270 and 444 buses. Along with achieving complete observability analysis, single PMU loss condition is also achieved.

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Abstract
1. Introduction
2. Complete Observability Analysis
3. Incomplete Observability Analysis
4. Case Study and Extension
5. Results
6. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2018-560-003325291