Publications

This includes journal articles, conference papers, tutorials and talks. Material holding IEEE copyright are linked through IEEE Xplore. Most recent work is available in the form of preprints or presentation slides, in Recent Highlights.

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All, AC Power Flow with Controls, Eigenvalue Methods, Electromagnetic Transients, HVDC link and FACTS controls, Modal Analysis of Power Systems, NLA – Numerical Linear Algebra, Power Blackouts and System Restoration, Power System Dynamic Performance, Power System Harmonics, Small-Signal Stability Analysis and Control, Power System Harmonics, Voltage Stability and Control, Brazilian Interconnected Power System

Showing publications in the topic: Modal Analysis of Power Systems

DE MARCO, FERNANDO. J., MARTINS, NELSON, LIBONATI, FERNANDO, CASTELLANOS, JOSE M.,PSS Phase Shaping and Coordinated Gain Tuning in a Large Longitudinal Power System, Proceedings of PowerTech Conference, 2015 IEEE Eindhoven, July 2015, pp. 1-6. Download from IEEE Xplore.

VARRICCHIO, S.L., FREITAS, F.D., MARTINS, N., Hybrid modal-balanced truncation method based on power system transfer function energy concepts, IET Gener. Transm. Distrib., 2015, Vol. 9, Iss. 11, pp. 1186–1194. Download from IET Digital Library.

MARTINS, N., BOSSA, T.H. S. A Modal Stabilizer for the Independent Damping Control of Aggregate Generator and Intraplant Modes in Multigenerator Power Plants. IEEE Transactions on Power Systems, USA, Vol. 29, Issue: 6, p. 2646 - 2661, November 2014. Download from IEEE Xplore.

F.J. de Marco, N. Martins, J. C. Ferraz, An Automatic Method for Power System Stabilizers Phase Compensation Design. IEEE Transactions on Power Systems, USA, Vol. 28, Issue: 2, p. 997-1007, May 2013. Download from IEEE Xplore.

D.D. DUMISANI, B.C. PAL, R.A. JABR, N. MARTINS Robust and low-order design of flexible ac transmission systems and power system stabilisers for oscillation damping, IET Generation, Transmission and Distribution, Vol. 6, Iss. 5, May 2012, pp. 445 - 452. Download from IEEE Xplore.

R. A. JABR, B. C. PAL, N. MARTINS and J. C. R. FERRAZ, Robust and Coordinated Tuning of Power System Stabilizer Gains using Sequential Linear Programing, IET Generation, Transmission and Distribution, Vol. 4, Iss. 8, pp. 893 - 904, 2010. Download from IET Digital Library.

JABR, R. A., PAL, B. C., MARTINS, N., A Sequential Conic Programming Approach for the Coordinated and Robust Design of Power System Stabilizers. IEEE Transactions on Power Systems, USA, Vol. 25 , Issue 3, August 2010, pp. 1627-1637. Download from IEEE Xplore.

ROMMES, J., MARTINS, N., FREITAS, F. , Computing Rightmost Eigenvalues for Small-Signal Stability Assessment of Large-Scale Power Systems. IEEE Transactions on Power Systems, USA, Vol. 25, Issue 2, May 2010, pp. 929-938. Download from IEEE Xplore.

GOMES JR, Sérgio; MARTINS, Nelson; PORTELA, Carlos. Sequential Computation of Transfer Function Dominant Poles of s-Domain System Models. IEEE Transactions on Power Systems, USA, Vol. 24, No. 2, p. 776-784, May 2009. Download from IEEE Xplore.

PASSOS FILHO, J.A.P., MARTINS, N., FALCAO, D. M. Identifying Power Flow Control Infeasibilities in Large-Scale Power System Models. IEEE Transactions on Power Systems , USA, Vol. 24, No. 1, p. 86-95, February 2009. Download from IEEE Xplore.

SIMOES, A. M., SAVELLI, D.C., PELLANDA, P.C., MARTINS, N., APKARIAN, P. Robust Design of a TCSC Oscillation Damping Controller in a Weak 500-kV Interconnection Considering Multiple Power Flow Scenarios and External Disturbances. IEEE Transactions on Power Systems , USA, Vol. 24, No. 1, p. 226-236, February 2009. Download from IEEE Xplore.

MARTINS, N., PELLANDA, P.C., ROMMES, J. Computation of Transfer Function Dominant Zeros with Applications to Oscillation Damping Control of Large Power Systems. IEEE Transactions on Power Systems , USA, Vol. 22, No. 4, p. 1657-1664, November 2007. Download from IEEE Xplore.

ROMMES, J. and MARTINS, N., Efficient Computation of Transfer Function Dominant Poles using Subspace Acceleration. IEEE Transactions on Power Systems, USA, Vol. 21, No. 3, p. 1218-1226, August 2006. Download from IEEE Xplore.

VARRICCHIO, Sérgio Luis; GOMES Jr., Sergio, MARTINS, Nelson; Modal Analysis of Industrial System Harmonics Using the s-Domain Approach IEEE Transactions on Power Delivery, USA, v. 19, No. 3, p. 1232-1237, July 2004. Download from IEEE Xplore.

MARTINS, Nelson; QUINTÃO, Paulo Eduardo Martins. Computing Dominant Poles of Power System Multivariable Transfer Functions. IEEE Transactions on Power Systems, USA, v. 18, n. 01, p. 152-159, 2003. Download from IEEE Xplore. Slides Presentation.

VARRICCHIO, Sérgio Luis; MARTINS, Nelson; LIMA, Leonardo Tadeu Garcia. A Newton-Raphson Method Based on Eigenvalue Sensitivities to Improve Harmonic Voltage Performance. IEEE Transactions on Power Delivery, USA, v. 18, n. PE-021PRD, p. 334-342, 2003. Download from IEEE Xplore.

GOMES JR, Sérgio; MARTINS, Nelson; PORTELA, Carlos Manuel de Jesus C. M. Computing Small-Signal Stability Boundaries for Large-Scale Power Systems. IEEE Transactions on Power Systems, USA, n. PE-011PRS, p. xx-xx, 2003. Download from IEEE Xplore. Slides Presentation.

N. Martins; FERRAZ, Júlio C. Resende; GOMES JR., Sergio. Impact of Interactions among Power System Controls. EPRI/NSF Workshop on Global Dynamic Optimization of the Electric Power Grid -, Playacar, Mexico, 2002. Download. Slides Presentation.

GOMES Jr., Sergio, Martins, Nelson, VARRICCHIO, Sergio L., PORTELA, Carlos. Modal Analysis of Electromagnetic Transients in ac Networks having Long Transmission Lines, IEEE Proceedings of the Transmission and Distribution, March 18-22, 2002, São Paulo, SP, Brazil. Slides Presentation.

VARRICCHIO, Sérgio Luis; MARTINS, Nelson. Modal Analysis of Industrial System Harmonics Using the s-Domain Approach, IEEE Proceedings of the Transmission and Distribution, March 18-22, 2002, São Paulo, SP, Brazil. Download from IEEE Xplore. Slides Presentation.

GOMES Jr, S.; PORTELA, C.; MARTINS, N., Detailed Model of Long Transmission Lines for Modal Analysis of ac Networks. Proc. International Conference on Power System Transients, Rio de Janeiro, Brazil, June 2001. Download.

VARRICCHIO, Sérgio Luis; MARTINS, Nelson; GOMES JR, Sérgio. s-Domain Approach to Reduce Harmonic Voltage Distortions Using Sensitivity Analysis. In: POWER ENGINEERING SOCIETY SUMMER MEETING, 2001, Vancouver. Proceedings of Power Engineering Society Summer Meeting. 2001. v. 2, p. 809-814. Download from IEEE Xplore.

GOMES JR, Sérgio; MARTINS, Nelson; PORTELA, Carlos Manuel de Jesus C. M. Modal Analysis Applied to S-domain Models of AC Networks. In: POWER ENGINEERING SOCIETY SUMMER MEETING, 2001, Vancouver. Proceedings of Power Engineering Society Summer Meeting. 2001. v. 2, p. 809-814.

GIBBARD, Mike J; MARTINS, Nelson; SANCHEZGASCA, J J; UCHIDA, N; VITTAL, Vijay; WANG, Lei. Recent Applications of Linear Analysis Techniques. IEEE Transactions on Power Systems, USA, v. 16, n. 1, p. 154-162, 2001. Download from IEEE Xplore.

FERRAZ, Júlio Cézar Rezende; MARTINS, Nelson; TARANTO, Glauco Nery; VARRICCHIO, Sérgio Luis. Método de Newton-Raphson para Posicionamento Parcial Simultâneo de Múltiplos Pólos. In: XIII CONGRESSO BRASILEIRO DE AUTOMÁTICA, 2000, lorianópolis. Proceedings of XIII Congresso Brasileiro de Automática. 2000. p. 1667-1672.

FERRAZ, Júlio Cézar Rezende; MARTINS, Nelson; PINTO, Hermínio José da Cunha Pereira; FALCÃO, Djalma Mosqueira. Fluxo de Potência Continuado e Análise Modal na Avaliação e Melhoria da Estabilidade de Tensão do Sistema Sul-Sudeste. In: VII SEPOPE, 2000, Curitiba. Proceedings of VII SEPOPE. 2000.

VARRICCHIO, Sérgio Luis; MARTINS, Nelson. Filter Design Using a Newton-Raphson Method Based on Eigenvalue Sensitivity. In: POWER ENGINEERING SOCIETY SUMMER MEETING, 2000, Seattle, Washington, USA. Proceedings of Power Engineering Society Summer Meeting. 2000. v. 2, p. 861-866. Download from IEEE Xplore.

VARRICCHIO, Sérgio Luis; MARTINS, Nelson. Applying Sensitivity Analysis to Improve Harmonic Voltage Performance. In: VII SEPOPE, 2000, Curitiba. Proceedings of VII SEPOPE. 2000. Download.

UHLEN, Kjetil; GJØSÆTER, Ole Bjørn; MARTINS, Nelson; QUINTÃO, Paulo Eduardo Martins. Applications of Small Signal Stability Analisys to the Nordel Power System. In: VII SEPOPE, 2000, Curitiba. Proceedings of VII SEPOPE. 2000. Download.

BOUKARIM, G E; WANG, Shaopeng; CHOW, Joe; TARANTO, Glauco Nery; MARTINS, Nelson. A Comparison of Classical, Robust and Descentralized Control Designs for Multiple Power System Stabilizers. IEEE Transactions on Power Systems, USA, v. 15, n. 4, p. 1287-1292, 2000. Download from IEEE Xplore.

MARTINS, Nelson; PINTO, Herminio J.C.P; PASERBA, John J. TCSC Controls for Line Power Scheduling and System Oscillation Damping – Results for a Small Example System. In: PSCC - POWER SYSTEMS COMPUTATION CONFERENCE, 1999, Trondheim, Proceedings of XIII PSCC. 1999. Download.

VARRICCHIO, Sérgio Luis; MARTINS, Nelson; LIMA, Leonardo Tadeu Garcia; CARNEIRO JR, S. Studying Harmonic Problems Using a Descriptor System Approach. In: IPST'99 - INTERNATIONAL CONFERENCE ON POWER SYSTEMS TRANSIENTS, 1999, Budapeste. Proceedings of IPST'99. 1999. Download. Slides Presentation.

MARTINS, Nelson; BARBOSA, Adriano de Andrade; FERRAZ, Júlio Cézar Rezende; SANTOS, Marcelos G dos; BERGAMO, A L B; YUNG, Chou Shaw; OLIVEIRA, Venilton Rodrigues de; MACEDO, Nilo José Pereira de. Retuning Stabilizers for the North-South Brazilian Interconection. In: POWER ENGINEERING SOCIETY SUMMER MEETING, 1999, Alberta. Proceedings of Power Engineering Society Summer Meeting. 1999. Download from IEEE Xplore. Slides Presentation.

LIMA, Leonardo Tadeu Garcia; MARTINS, Nelson; CARNEIRO JR, S. Augmented State-Space Formulations for the Study of Electric Network Including Distributed-Parameter Transmission Line Models. In: IPST'99 - INTERNATIONAL CONFERENCE ON POWER SYSTEMS TRANSIENTS, 1999, Budapeste. Proceedings of IPST'99. 1999. Slides Presentation.

MARTINS, Nelson; PINTO, Hermínio José da Cunha Pereira; PING, Wo Wei; BARBOSA, Adriano de Andrade; SANTOS, Marcelos G dos; BONFIM, A B; GOMES, Paulo; MACEDO, Nilo José Pereira de; MARTINS, A C B; MONTEATH, L; SILVA, E F. Retuning the Oscillation Damping Sources Due to the North-South Brazilian Interconnection. In: CIGRÉ MEETING, 1998, Paris. Proceedings of Cigré Meeting 1998.

MARTINS, Nelson; CORSI, Sandro; ANDERSSON, Goran; GIBBARD, Mike J; SANCHEZGASCA, J J; SILVA, A; TARANTO, Glauco Nery. Impacts of the Interaction Among Power System Controls. In: VI SEPOPE, 1998, Salvador. Proceedings of VI SEPOPE. 1998. Download. Slides Presentation.

LIMA, Leonardo Tadeu Garcia; MARTINS, Nelson; CARNEIRO JR, S. Dynamic Equivalent for Electromagnetic Transient Analysis Including Frequency-Dependent Transmission Line Parameters. In: INTERNATIONAL POWER SYSTEM TRANSIENTES SEMINAR, 1997, Seatle. Proceedings of International Power System Transientes Seminar. 1997.

MARTINS, Nelson. The Dominant Pole Spectrum Eigensolver. IEEE Transactions on Power Systems , USA, v. 12, n. 1, p. 245-254, 1997. Download from IEEE Xplore. Slides presentation.

CONCORDIA, Charles; HAUER, J F; JANSSENS, N; KORTE, R; OSTOJIC, D; THORVALDSSON, B; KUNDUR, Prabha; LARSEN, E; LERCH, E; LYSHEIM, D; PASERBA, John; MARTINS, Nelson; TOAL, J; TROTIGNON, M. Analysis and Control of Power System Oscillations. Electra, França, v. 170, 1997.

GRANVILLE, S; MELLO, J C O; MELO, A C G; VIEIRA FILHO, Xisto; PINTO, Hermínio José da Cunha Pereira; MARTINS, Nelson. Voltage Collapse Evaluation by Combining Interior Point Methods and Modal Analysis. In: V SEPOPE, 1996, Recife. Proceedings of V SEPOPE. 1996.

MARTINS, Nelson; PINTO, Hermínio José da Cunha Pereira; GAMA, Carlos; CAVALCANTI, J A; LEONI, R L; SOUTO, R V; MACEDO, Nilo José Pereira de; EIRAS, M J X. Oscillation Damping Analysis and Control Studies of the Future Interconnection Between the North-Northeast and South-Southeast Systems. In: V SEPOPE, 1996, Recife. Proceedings of V SEPOPE. 1996. Slides download.

LIMA, Leonardo Tadeu Garcia; MARTINS, Nelson; PEREIRA, José Luiz Rezende. Equivalentes Dinâmicos de Ordem Reduzida de Ciruitos Elétricos Para Simulação de Transitórios Eletromagnéticos. In: XI CONGRESSO BRASILEIRO DE AUTOMÁTICA, 1996, São Paulo. Proceedings of XI Congresso Brasileiro de Automática. 1996.

CAMPAGNOLO, Jorge Mario; MARTINS, Nelson; FALCÃO, Djalma Mosqueira. Refactored Bi-Iteration: A High Performance Eigensolution Method for Large Power System Matrices. IEEE Transactions on Power Systems , USA, v. 11, n. 3, p. 1228-1235, 1996. Download from IEEE Xplore

MARTINS, Nelson; LIMA, Leonardo Tadeu Garcia; PINTO, Hermínio José da Cunha Pereira. Computing Dominant Poles of Power System Transfer Functions. IEEE Transactions on Power Systems, USA, v. 11, n. 1, p. 162-170, 1996. Download from IEEE Xplore. Slides Presentation.

MARTINS, Nelson; PINTO, Hermínio José da Cunha Pereira. Modern Tools for the Small-Signal Stability Analysis and Design of FACTS Assisted Power System. In: STOCKHOLM POWER TECH. CONFERENCE, 1995, Stockolm. Proceedings of Stockholm Power Tech. Conference. 1995. Download. Slides Presentation

MARTINS, Nelson; FERRAZ, Júlio Cézar Rezende; PEREIRA, José Luiz Rezende; COSTA, Vander Menengoy da. Análise de Sensibilidade no Ponto de Colapso de Tensão, Determinado Através de Método de Continuação, em Sistemas Elétricos de Potência. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA - UFJF, 1995, Juiz de Fora. Proceedings of Seminário de Iniciação Científica - UFJF. 1995.

LIMA, Leonardo Tadeu Garcia; BEZERRA, Lício Hernandez; TOMEI, Carlos; MARTINS, Nelson. New Methods for Fast Small-Signal Stability Assessment of Large Scale Power Systems. IEEE Transactions on Power Systems , USA, v. 10, n. 4, p. 1979-1985, 1995. Download from IEEE Xplore

CAMPAGNOLO, Jorge Mario; MARTINS, Nelson; FALCÃO, Djalma Mosqueira. An Efficient and Robust Eigenvalue Method for Small-Signal Stability Assessment in Parallel Computers. IEEE Transactions on Power Systems , USA, v. 10, n. 1, p. 506-511, 1995. Download from IEEE Xplore. Slides Presentation.

FIGUEIREDO, E F; VIEIRA FILHO, Xisto; MARTINS, Nelson; GOMES, Paulo; VALGAS, H M; ZENI, N; COSTA, P A P; MIKAMI, Leo; PIRES, F B; PINTO, W S; SOARES, J M; AIRES, J C O. The Brazilian Experience on the Utilization of Stabilizing Signals for Damping Eletromechanical Oscillations-Survey of Problems Found, Methods and Solutions Adopted and Recomendations. In: 1994 CIGRE SESSION, 1994, Paris. Proceedings of 1994 Cigre Session. 1994.

MARTINS, Nelson; PINTO, Hermínio José da Cunha Pereira; BIANCO, André; MACEDO, Nilo José Pereira de. TCSC Control Structures for Line Power Scheduling and Methods to Determine Their Location and Tuning to Damp System Oscillations. In: IV SEPOPE, 1994, Foz do Iguaçu. Proceedings of IV SEPOPE. 1994. Download.

PINTO, Hermínio José da Cunha Pereira; MARTINS, Nelson; PEREIRA, José Luiz Rezende. Small Signal Voltage Stability Analysis. In: VI CONGRESSO LATINO AMERICANO DE CONTROLE AUTOMÁTICO, 1994, Rio de Janeiro. Proceedings of VI Congresso Latino Americano de Controle Automático. 1994.

PINTO, Hermínio José da Cunha Pereira; MARTINS, Nelson; VIEIRA FILHO, Xisto; BIANCO, André; GOMES, Paulo; SANTOS, Marcelos G dos. Modal Analysis for Voltage Stability: Application at Base Case and Point of Collapse. In: III VOLTAGE STABILITY, SECURITY & CONTROL, 1994, Davos. Proceedings of III Voltage Stability, Security & Control. 1994. Download.

CAMPAGNOLO, Jorge Mario; MARTINS, Nelson; PEREIRA, José Luiz Rezende; LIMA, Leonardo Tadeu Garcia; PINTO, Hermínio José da Cunha Pereira; FALCÃO, Djalma Mosqueira. Fast Small-Signal Stability Assessment Using Parallel Processing. IEEE Transactions on Power Systems, USA, v. 9, n. 2, p. 949-956, 1994. Download from IEEE Xplore

MARTINS, Nelson; MACEDO, Nilo José Pereira de; BIANCO, André; PINTO, Hermínio José da Cunha Pereira; LIMA, Leonardo Tadeu Garcia. Proposal for a Benchmark System for Power System Oscillation Analysis and Control. In: COLLOQUIUM ON POWER SYSTEM DYNAMIC PERFORMANCE - CIGRÉ – SC 38, 1993, Florianópolis. Proceedings of Colloquium on Power System Dynamic Performance - CIGRÉ – SC 38. 1993. Download.

LIMA, Leonardo Tadeu Garcia; PEREIRA, José Luiz Rezende; CAMPAGNOLO, Jorge Mario; PINTO, Hermínio José da Cunha Pereira; MARTINS, Nelson; FALCÃO, Djalma Mosqueira. Aplicação de Processamento Paralelo na Avaliação da Estabilidade a Pequenas Pertubações em Sistemas Elétricos de Potência. In: XII SNPTEE, 1993, Recife. Proceedings of XII SNPTEE. 1993.

LIMA, Leonardo Tadeu Garcia; MARTINS, Nelson; PINTO, Hermínio José da Cunha Pereira. Mixed Real/Complex Factorization. IEEE Transactions on Power Systems, USA, v. 3, n. 1, p. 302-308, 1993. Download from IEEE Xplore

MARTINS, Nelson; MACEDO, Nilo José Pereira de; LIMA, Leonardo Tadeu Garcia; PINTO, Hermínio José da Cunha Pereira. Control Strategies for Multiple Static Var Compensators in Long Distance Voltage Supported Transmission Systems. IEEE Transactions on Power Systems , USA, v. 8, n. 3, p. 1107-1117, 1993. Download from IEEE Xplore

MARTINS, Nelson; LIMA, Leonardo Tadeu Garcia; PINTO, Hermínio José da Cunha Pereira; MACEDO, Nilo José Pereira de. The Brazilian Utilities Package for the Analysis and Control of Small-Signal Stability of Large Scale AC/DC Power Systems. In: III SEPOPE, 1992, Belo Horizonte. Proceedings of III SEPOPE. 1992. Download.

MARTINS, Nelson; LIMA, Leonardo Tadeu Garcia; PINTO, Hermínio José da Cunha Pereira; MACEDO, Nilo José Pereira de. A State-of-the-Art Computer program for the Analysis and Control of Small-Signal Stability of Large AC/DC Power Systrems. In: IERE WORKSHOP ON NEW ISSUES IN POWER SYSTEM SIMULATION, 1992, Caen. Proc. of Workshop on New Issues in Power System Simulation. 1992. p. 11-19.

MARTINS, Nelson; PINTO, Hermínio José da Cunha Pereira; LIMA, Leonardo Tadeu Garcia. Efficient Methods for Finding Transfer Function Zeros of Power Systems. IEEE Transactions on Power Systems , USA, v. 7, n. 3, p. 1350-1361, 1992. Download from IEEE Xplore

MARTINS, Nelson. Some Present and Future Activities in CEPEL's Power System Dynamics Area. In: WORKSHOP ON APPLICATION OF ADVANCED MATHEMATICS TO POWER SYSTEMS, 1991, San Francisco. Proceedings of EPR/NSF Workshop on Application of Advanced Mathematics to Power Systems. 1991.

MARTINS, Nelson; LIMA, Leonardo Tadeu Garcia. Determination of Suitable Locations for Power System Stabilizers and Static Var Compensators for Damping Electromechanical Oscillations in Large Scale Power Systems. IEEE Transactions on Power Systems, USA, v. 5, n. 4, p. 1455-1469, 1990. Download from IEEE Xplore

MARTINS, Nelson; LIMA, Leonardo Tadeu Garcia. Técnicas de Decomposição para Cálculo Eficiente de Problemas de Estabilidade a Pequenas Pertubações de Sistemas de Potência de Grande Porte. In: VII CONGRESSO BRASILEIRO DE AUTOMÁTICA, 1988, São José dos Campos. Proceedings of VII Congresso.

MARTINS, Nelson; LIMA, Leonardo Tadeu Garcia. Decomposition Technique for Efficient Computation of Small-Signal Stability Problems in Large Power Systems. In: INTERNATIONAL CONFERENCE ON HIGH TECHNOLOGY IN THE POWER INDUSTRY (IASTED), 1988, Phoenix. Proceedings of International Conference on High Technology in the Power Industry (IASTED). 1988. Download.

BAITELLI, Roberto; MARTINS, Nelson; MIKAMI, Leo; SANTOS JR, J B. Definição da Localização de Sinais Estabilizadores em Sistemas Elétricos Multimáquina: Metodologia Utilizada Pelo Programa Autoval. In: IX SNPTEE, 1987, Belo Horizonte. Proceedings of IX SNPTEE. 1987.

GOMES, Paulo; BOMFIM, Antonio Luiz Bergamo Do; PEDROSO, Alquindar de Souza; MARTINS, Nelson. Application of Eigenvalue Techniques in Power System Dynamics. In: I SEPOPE, 1987, Rio de Janeiro. Proceedings of I SEPOPE. 1987.

MARTINS, Nelson; BAITELLI, Roberto. Programa para a Análise da Estabilidade a Pequenas Pertubações de Sistemas de Potência Multimáquina. In: VIII SNPTEE, 1986, São Paulo. Proceedings of VIII SNPTEE. 1986.

MARTINS, Nelson; BAITELLI, Roberto. Programa de Autovalores Para Sistemas de Potência Multimáquina com Possibilidade de Representar Controladores de Qualquer Ordem e Topologia. In: II CONGRESSO LATINO AMERICANO DE AUTOMÁTICA, 1986, Buenos Aires. Proceedings of II Congresso Latino Americano de Automática. 1986.

MARTINS, Nelson. Frequency Response Techniques Applied to the Design of Additional Stabilizing Signals for Static Var Compensators in Power Systems. In: INTERNATIONAL CONFERENCE ON HIGH TECHNOLOGY IN THE POWER INDUSTRY (IASTED), 1986, Bozeman, Montana. Proceedings of International Conference on High Technology in the Power Industry (IASTED). 1986.

MARTINS, Nelson. Efficient Eigenvalue and Frequency Response Methods Applied to Power System Small-Signal Stability Studies. IEEE Transactions on Power Systems , USA, v. PWRS-1, n. 1, p. 217-226, 1986. Download from IEEE Xplore

MARTINS, Nelson. Análise e Controle de Oscilações Eletromecânicas Pouco Amortecidas em Sistemas Elétricos. In: I ENCONTRO ARGENTINO-BRASILEIRO SOBRE ESTABILIDADE DE SISTEMAS DE POTÊNCIA, 1985, Foz do Iguaçu. Proceedings of I Encontro Argentino-Brasileiro Sobre Estabilidade de Sistemas de Potência. 1985.

OLIVEIRA, S E M de; SANTOS, Marcelos G dos; MARTINS, Nelson. Ressonância Subsíncrona em Geradores Ligados à Redes Compensadas por Capacitores Série. In: VII SEMINÁRIO NACIONAL DE PRODUÇÃO E TRANSMISSÃO DE ENERGIA ELÉTRICA, 1984, Brasília. Proceedings of VII Seminário Nacional de Produção e Transmissão de Energia Elétrica. 1984.

MARTINS, Nelson. O Efeito de Compensadores Estáticos de Reativo na Estabilidade a Pequenas Perturbações de Sistemas de Potência. In: V CONGRESSO BRASILEIRO DE AUTOMÁTICA, 1984, Campina Grande. Proceedings of V Congresso Brasileiro de Automática. 1984.

MARTINS, Nelson; BAITELLI, Roberto. Determinação da Localização e Ajuste de Parâmetros para Sinais Adicionais Estabilizadores em Sistemas de Potência Multimáquina. In: VII SNPTEE, 1984, Brasília. Proceedings of VII SNPTEE. 1984.

MARTINS, Nelson; STEPHAN, R. Power System Dynamic Stability Limits Considering the Effects of Non-Linear Loads. In: X IMACS WORLD CONGRESS ON SYSTEMS SIMULATION AND SCIENTIFIC COMPUTATION, 1982, Montreal. Proceedings of X IMACS World Congress on Systems Simulation and Scientific Computation. 1982.

MARTINS, Nelson; BAITELLI, Roberto. Analysis of Low Damped Electromechanical Oscillations in Large Power Systems. In: 1982 CIGRÉ SESSION, 1982, Paris. Proceedings of 1982 CIGRÉ Session. 1982. Download

MARTINS, Nelson; BAITELLI, Roberto. Análise do Amortecimento da Oscilações Eletromecânicas em Sistemas de Potência Multimáquina por Métodos de Resposta em Frequência. In: IV CONGRESSO BRASILEIRO DE AUTOMÁTICA, 1982, Campinas. Proceedings of IV Congresso Brasileiro de Automática. 1982.

MARTINS, Nelson. Determinação dos Limites de Estabilidade Dinâmica de Sistemas Multimáquinas Contendo Cargas Não-Lineares e Compensadores Estáticos. In: VI SNPTEE, 1981, Camburiú. Proceedings of VI SNPTEE. 1981.