Inertia Estimation of the GB Power System Using Synchrophasor Measurements

被引：227
作者：
Ashton, Phillip M. [1 ]
Saunders, Christopher S. [2 ]
Taylor, Gareth A. [1 ]
Carter, Alex M. [3 ]
Bradley, Martin E. [3 ]
机构：
[1] Brunel Univ, London, England
[2] Brunel Univ, Brunel Inst Power Syst, Uxbridge UB8 3PH, Middx, England
[3] Natl Grid UK, Wokingham, England
来源：
IEEE TRANSACTIONS ON POWER SYSTEMS | 2015年 / 30卷 / 02期
基金：
英国工程与自然科学研究理事会;
关键词：
Frequency response; inertia; phasor measurement unit (PMU); power system dynamic stability; synchrophasor; wide area monitoring system (WAMS); FREQUENCY;
D O I：
10.1109/TPWRS.2014.2333776
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：
A novel procedure for estimating the total inertia of the Great Britain (GB) power system is presented. Following an instantaneous in-feed loss, regional variations in the estimate of inertia are obtained from measured frequency transients using installed synchronised phasor measurement units (PMUs). A method is proposed to first detect a suitable event for analysis, and then filter the measured transients in order to obtain a reliable estimate of inertia for a given region of the GB network. The total inertia for the whole system is then calculated as a summation, with an estimate also provided as to the contribution to inertia from residual sources, namely synchronously connected demand and embedded generation. The approach is first demonstrated on the full dynamic model of the GB transmission system, before results are presented from analyzing the impact of a number of instantaneous transmission in-feed loss events using phase-angle data provided by PMUs from the GB transmission network and also devices installed at the domestic supply at 4 GB universities.
引用
收藏
页码：701 / 709
页数：9
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