PRESENT POSITION: Professor of  Power Electronics (INSTITUTO SUPERIOR TÉCNICO)

DATE OF APPOINTMENT: 1990

DEPARTMENT SET - Power Electronics Group

INSTITUTION: Instituto de Telecomunicações 

ADDRESS: Instituto Superior Técnico - Torre Norte
Avenida Rovisco Pais, 1

CITY: Lisboa

POSTCODE: 1096

TELEPHONE +351-1-8 418 379 

FAX +351-1-8 418 472

QUALIFICATIONS Engineer 1977 (electrical)

 Doctor on electrical, electronics and computer engineering, 1990

POSITIONS HELD 1977-1990 Assistant at Instituto Superior Técnico
 1990 - ... Professor of  Power Electronics at Instituto Superior Técnico
 1990 - ...Research Group on Energy for Telecommunications and Power Electronics at Instituto de Telecomunicações

RESEARCH AND EXPERTISE Main research interests on high frequency power electronic DC-DC converters (switched mode, resonant, quasi-resonant, and PWM soft switched) resonant link AC-AC and DC-AC converters.
INDUSTRIAL RELEVANCE Support on the design of switch mode power supplies.
Support on the design of resonant power converters for railways applications.
 1999-01-12

Recent publications:

Beatriz V. Borges, L. Barata, J. Dias, A. Anunciada, "Single Phase Power Factor Correction Converter", proceedings of  CONFTELE’99, pag.     , Sesimbra, Portugal, Abril de 1999. 

Beatriz V. Borges  and J. Beirante, "Design Improvement and Experimental Characterization of the Full Bridge ZVS Converter with Secondary Clamped Inductor", proceedings of EPE’97, vol. 4 , pag. 448-452, Throndeim, Noruega, Setembro de 1997. 

N. Pereira, Beatriz V. Borges e A. Anunciada, "Supra Resonant Fixed Frequency Full Bridge DC-DC Resonant Converter with Reduced Switching Losses", IEEE Industry Telecommunications Energy Conference -  INTELEC´96, pp. 258-264, Boston, Outubro de 1996. 

Beatriz V. Borges e S.Valchev, "Improved Zero Voltage Switched Phase Shift DC-DC Converter Using a Secondary Clamped Inductor", IEEE Industrial Electronics Conference, vol.1, pp. 258-264 , Orlando USA, Novembro de 1995. 

Beatriz V. Borges e S.Valchev, "A 1 kW 250kHz Zero Voltage Switched Phase Shift DC-DC Converter with Improved Efficiency", IEEE Industry Telecommunications Energy Conference - INTELEC´95, pp. 803- 807, Holanda, Outubro de 1995. 

Beatriz V. Borges, N. Filipe e C. Barroso, "Conversor Ressonante Série Paralelo: Análise e Opções de Projecto", 4º Jornadas Luso Espanholas de Engª Electrotécnica, Fac. Engª Univ. Porto, vol. 3 pp. 1547-1554, Julho de 1995.

Beatriz V. Borges and G. Caeiro, "A 6kW/4kV Input DC-DC High Frequency Parallel Resonant Converter for Railways Applications", IEEE International Symposium on Industrial Electronics Society, Grécia, Julho de 1995 
Beatriz V. Borges, "Predictive Current Control for Resonant Converters", Bourse de Tecnologie, SITEF´91, Toulouse, França, Outubro de 1991.

J. Fernando Silva, Beatriz V. Borges e Victor Anunciada, "Improving Control Strategies for HF Resonant Link Converters: The Current Mode Predictive Modulator", Procc. IEEE - Power Electronics Specialists Conference, PESC´91, MIT-Boston EUA, Junho de 1991.

J. Fernando Silva, Beatriz V. Borges e J. Santana, "Modelling and Voltage Feedback Control of the Current Predictive Modulator for a DC-AC Parallel Resonant Converter", Procc. 13th IMACS World Congress, Dublin, Julho de 1991.