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Computationally Efficient PMU-based L1 Estimators for Large Power Systems

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자료유형	E-Book
개인저자	Xu, Chenxi.
단체저자명	Northeastern University. Electrical and Computer Engineering.
서명/저자사항	Computationally Efficient PMU-based L1 Estimators for Large Power Systems.
발행사항	[S.l.] : Northeastern University., 2018
발행사항	Ann Arbor : ProQuest Dissertations & Theses, 2018
형태사항	115 p.
소장본 주기	School code: 0160.
ISBN	9780438295728
일반주기	Source: Dissertation Abstracts International, Volume: 80-01(E), Section: B. Adviser: Ali Abur.
요약	Phasor Measurement Units (PMUs) are increasingly deployed in power systems because of their nice characteristics like fast data acquisition rate and GPS clock synchronization. With the explicit usage of PMU measurements, Least Absolute Value (LA
요약	The first part of this dissertation presents two centralized LAV SEs incorporating Zero Injection (ZI) measurements into the LAV state estimation formulation using direct enforcement and Kron reduction, respectively.
요약	Based on the current circumstance that VLSI power grids are usually divided into several independent and non-overlapping zones, the second part of this dissertation presents several multi-area distributed LAV SEs.
요약	The first algorithm combines a well-known LP decomposition method: Dantzig-Wolfe (DW) decomposition with the LAV SE considering the motivation that LAV can be formulated as an LP problem and multi-area state estimation measurement matrix has the
요약	The second algorithm uses a two-stage set-up to assure adequate robustness around zone boundaries. All zones run their own SEs and the estimated boundary bus states, together with measurements between zones, are both used as measurements for the
요약	The third algorithm generates one or several additional zones covering all boundary buses and their direct neighbors. This new zone and all existing zones run their SEs simultaneously in parallel. Results are collected and reconciled to provide
요약	The fourth algorithm creates one or several "copies" of the system. Each copy contains one way of system zone partitioning. All buses appear at least once as an internal bus in these copies. All zones in all copies run independent SEs. An algori
요약	The above multi-copy algorithm is implemented and further tested on a high-performance multi-core computer using parallel processing.
요약	Above algorithms are implemented on different test systems with sizes ranging from 30-bus to 16216-bus and the corresponding simulation results are presented in this dissertation.
일반주제명	Electrical engineering.
언어	영어
기본자료 저록	Dissertation Abstracts International80-01B(E). Dissertation Abstract International
대출바로가기	http://www.riss.kr/pdu/ddodLink.do?id=T14999522