Data quality issues for synchrophasor applications Part Ⅱ:problem formulation and potential solutions
作者机构:Department of Electrical Engineering and Computer ScienceThe University of TennesseeKnoxvilleTN 37996USA
出 版 物:《Journal of Modern Power Systems and Clean Energy》 (现代电力系统与清洁能源学报(英文))
年 卷 期:2016年第4卷第3期
页 面:353-361页
核心收录:
学科分类:080802[工学-电力系统及其自动化] 0808[工学-电气工程] 08[工学]
主 题:GPS loss Synchronization signal loss Synchrophasor data loss Estimation Forecasting
摘 要:This work investigates the data quality issue for synchrophasor applications, and pays particular attention to synchronization signal loss and synchrophasor data loss events. First, the historical synchronization signal loss events are analyzed and the potential reasons and solutions are discussed. Then, the scenario of a small amount of synchrophasor data loss is studied and a Lagrange interpolating polynomial method is used to adaptively estimate the incomplete and missing data. The performance of proposed method is demonstrated with simulation ***, the proposed method considers the trade-off between the estimation accuracy and the hardware cost,and could be efficiently employed in reality.