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Titolo:
Estimating the domain of attraction for power systems via a group of damping-reflected energy functions
Autore:
Moon, YH; Choi, BK; Roh, TH;
Indirizzi:
Yonsei Univ, Dept Elect Engn, Seodaemoon Ku, Seoul 120749, South Korea Yonsei Univ Seoul South Korea 120749 emoon Ku, Seoul 120749, South Korea LG EDS Seoul, CALS & CIM, Seoul, South Korea LG EDS Seoul Seoul South Korea DS Seoul, CALS & CIM, Seoul, South Korea
Titolo Testata:
AUTOMATICA
fascicolo: 3, volume: 36, anno: 2000,
pagine: 419 - 425
SICI:
0005-1098(200003)36:3<419:ETDOAF>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
STABILITY ANALYSIS;
Keywords:
nonlinear systems; Lyapunov function; energy function; stability analysis; region of attraction; direct method;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Moon, YH Yonsei Univ, Dept Elect Engn, Seodaemoon Ku, 134 Shinchon Dong, Seoul 120749, South Korea Yonsei Univ 134 Shinchon Dong Seoul South Korea 120749 uth Korea
Citazione:
Y.H. Moon et al., "Estimating the domain of attraction for power systems via a group of damping-reflected energy functions", AUTOMATICA, 36(3), 2000, pp. 419-425

Abstract

The well-known Lyapunov direct method provides precise and rigorous theoretical backgrounds for stability analysis of nonlinear systems. However, incorporating damping effects into accurate estimates of the domain of attraction has proved difficult, which is pointed as a minor but crucial drawback. This paper presents a new method to derive a group of Lyapunov functions to reflect the damping effects by considering the first integral of motion obtained from the system governing equations when transfer conductances are neglected. A systematical approach of converting some part of damping loss into some appropriate system energy terms is developed. Examples show that the proposed method remarkably improves the estimation of the region of attraction compared with the conventional approach. (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/11/20 alle ore 14:35:09