Stability Analysis of Networked Control in Smart Grids

被引：118
|
作者：
Singh, Abhinav Kumar [1 ]
Singh, Ravindra [2 ]
Pal, Bikash C. [1 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Control & Power Grp, Dept Elect & Elect Engn, London SW7 2BT, England
[2] ABB Corp Res Ctr, Rayleigh, NC USA
来源：
IEEE TRANSACTIONS ON SMART GRID | 2015年 / 6卷 / 01期
基金：
英国工程与自然科学研究理事会;
关键词：
Cyber physical energy network; damping control; Kalman filtering; linear quadratic Gaussian (LQG); networked control systems (NCS); packet-drop; phasor measurement units (PMUs); smart grid; stochastic stability; thyristor controlled series capacitor (TCSC); ARCHITECTURE; OSCILLATIONS; SYSTEMS; DESIGN;
D O I：
10.1109/TSG.2014.2314494
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 suitable networked control scheme and its stability analysis framework have been developed for controlling inherent electromechanical oscillatory dynamics observed in power systems. It is assumed that the feedback signals are obtained at locations away from the controller/actuator and transmitted over a communication network with the help of phasor measurement units (PMUs). Within the generic framework of networked control system (NCS), the evolution of power system dynamics and associated control actions through a communication network have been modeled as a hybrid system. The data delivery rate has been modeled as a stochastic process. The closed-loop stability analysis framework has considered the limiting probability of data dropout in computing the stability margin. The contribution is in quantifying allowable data-dropout limit for a specified closed loop performance. The research findings are useful in specifying the requirement of communication infrastructure and protocol for operating future smart grids.
引用
收藏
页码：381 / 390
页数：10
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