A Software-Only PTP Synchronization for Power System State Estimation With PMUs

被引：35

作者：

Lixia, Marco ^{[1
]}

Benigni, Andrea ^{[2
]}

Flammini, Alessandra ^{[3
]}

Muscas, Carlo ^{[1
]}

Ponci, Ferdinanda ^{[2
]}

Monti, Antonello ^{[2
]}

机构：

[1] Univ Cagliari, Dept Elect & Elect Engn, I-09123 Cagliari, Italy

[2] Univ Aachen, EON Energy Res Ctr RWTH, D-52074 Aachen, Germany

[3] Univ Brescia, DII Dept Informat Engn, I-25123 Brescia, Italy

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2012年 / 61卷 / 05期

关键词：

Phasor measurement units; power system; smart grids; state estimation; substation automation; PHASOR MEASUREMENT; TRANSITION;

D O I：

10.1109/TIM.2011.2180973

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Synchronized phasor measurement units (PMUs) are becoming a key element of monitoring, protection, control, and state estimation applications in power systems and are the basis for the implementation of wide area monitoring systems. This paper investigates the possibility of using a software-only precision time protocol synchronization method to synchronize different PMUs inside the same substation and how this synchronization impacts the state estimation. In this context, as a case study, the output data of the PMUs have been used to estimate the state of a portion of real power system. A laboratory experimental setup has been built to evaluate the performance achievable with the proposed synchronization solution. The results thus obtained are discussed in terms of stochastic performance.

引用

页码：1476 / 1485

页数：10

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