A 1MW Magnetron Radar Transmitter Upgrade Using Modular Line-type Solid-state Pulse Modulator

B. Rondani; J. A. Pomilio; R. R. Levy; J. C. Lamarche

doi:10.18618/REP.2006.3.181187

Authors

B. Rondani Unicamp/FEEC/DSCE, C.P. 6101, 13083-970, Campinas, SP, Brazil
J. A. Pomilio Unicamp/FEEC/DSCE, C.P. 6101, 13083-970, Campinas, SP, Brazil
R. R. Levy Allagi Engenharia Ltda., C.P. 6131, 13083-970, Campinas, SP, Brazil
J. C. Lamarche Omnisys Engenharia Ltda., R. Lourdes 560, Nova Gerty, 09571-470, São Caetano do Sul, SP, Brazil

DOI:

https://doi.org/10.18618/REP.2006.3.181187

Keywords:

high voltage pulse transformer, high voltage solid-state pulse modulator, IGBTs, magnetron, radar transmitter, Radar upgrade, soft failure mode (on-line degradation), switch mode power supply

Abstract

This paper describes the upgrade of Atlas tracking radar system transmitter at Alcantara Launch Center (CLA), Maranhão, Brazil. The original transmitter installed in the 1980’s was equipped with a conventional hard-tube pulse modulator to excite a 1MW C-band magnetron. In order to extend overall system lifetime, improve reliability and introduce new monitoring and command functions the original tubetype modulator and control system was substituted by a modular line-type solid-state modulator and a digital control system.

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Author Biographies

B. Rondani, Unicamp/FEEC/DSCE, C.P. 6101, 13083-970, Campinas, SP, Brazil

was born in Lima, Peru, in 1980. He received the Bachelor’s (2003) and the Master’s (2005) degrees in Electrical Engineering from University of Campinas, Brazil. One year (2000) of his undergraduate curriculum was held at Michigan State University, USA. In the year 2002 he worked as technician at Thales Air Defense in Bagneux, France. From 2003 to 2005 he worked as R&D engineer at Omnisys Engenharia. Currently he is in the head of Allagi Engenharia, a start-up company of Campinas, Brazil. His main interests are pulsed power electronics and transmitters.

J. A. Pomilio, Unicamp/FEEC/DSCE, C.P. 6101, 13083-970, Campinas, SP, Brazil

was born in Jundiaí, Brazil, in 1960. He received the Bachelor's (1983), the Master's (1986) and the Doctoral (1991) degrees in Electrical Engineering from the University of Campinas, Brazil. From 1988 to 1991 he was head of the Power Electronics Group at the Brazilian Synchrotron Laboratory. Currently he is a Professor at the School of Electrical and Computer Engineering of the University of Campinas, where he teaches since 1984. In 1993 and 2003 he was visiting professor at the University of Padova, and at the Third University of Rome, respectively. He currently is associated editor of the IEEE Trans. on Power Electronics and “Controle & Automação”. His main interests are switching-mode power supplies, power factor correction, electrical drives and active power filters.

R. R. Levy, Allagi Engenharia Ltda., C.P. 6131, 13083-970, Campinas, SP, Brazil

was born in São Paulo, Brazil, in 1980. He received the Bachelor's (2002) in Electrical Engineering from University of Campinas, Brazil. One year of his undergraduate curriculum (2001/2002) was held at INSA - Institut National des Sciences Appliquées de Lyon, France. From 2003 to 2005 he worked as R&D engineer at Omnisys Engenharia. Currently he is the chief engineer of Allagi Engenharia, a start-up company of Campinas, Brazil. His main interests are digital signal processing and programmable logic.

J. C. Lamarche, Omnisys Engenharia Ltda., R. Lourdes 560, Nova Gerty, 09571-470, São Caetano do Sul, SP, Brazil

was born in Bordeaux, France, in 1938. He received the Bachelor’s (1965) in Electrical Engineering from École des Ingenieurs Electroniques de Grenoble, France. From 1960 to 1995 he worked for Thales Group (former Thomson-CSF) in many sites in France. He works as a consultant for Omnisys Engenharia since year 2002. His main interests are radar transmitters and pulse power modulators.

References

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B. Rondani, J. A. Pomilio,J. C. Lamarche, A. V. Dias, P. Chlad, "Development of a Modular Line-type Solid-State Pulsed Modulator for an S-band Magnetron" in Proc ofCOBEP, pp. 484-489, 2005.