| 2/2011 - 8 |
Variable Power, Short Microwave Pulses Generation using a CW MagnetronSURDUCAN, V.   , SURDUCAN, E. , CIUPA, R. |
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Author keywords
Continuous Wave Magnetron, Pulse Width Modulation, Zero Voltage Switching, Microcontroller, Microwave Pulse Modulation
References keywords
surducan(6), patent(4), microwave(4), medical(4), magnetron(4), bessyo(4)
Blue keywords are present in both the references section and the paper title.
About this article
Date of Publication: 2011-05-30
Volume 11, Issue 2, Year 2011, On page(s): 49 - 54
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2011.02008
Web of Science Accession Number: 000293840500008
SCOPUS ID: 79958794001
Abstract
Fine control of microwave power radiation in medical and scientific applications is a challenging task. Since a commercial Continuous Wave (CW) magnetron is the most inexpensive microwave device available today on the market, it becomes the best candidate for a microwave power generator used in medical diathermy and hyperthermia treatments or high efficiency chemical reactions using microwave reactors as well. This article presents a new method for driving a CW magnetron with short pulses, using a modified commercial Zero Voltage Switching (ZVS) inverter, software driven by a custom embedded system. The microwave power generator designed with this method can be programmed for output microwave pulses down to 1% of the magnetron's power and allows microwave low frequency pulse modulation in the range of human brain electrical activity, intended for medical applications. Microwave output power continuous control is also possible with the magnetron running in the oscillating area, using a dual frequency Pulse Width Modulation (PWM), where the low frequency PWM pulse is modulating a higher resonant frequency required by the ZVS inverter's transformer. The method presented allows a continuous control of both power and energy (duty-cycle) at the inverter's output. |
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[1] Microwave heating device for internal heating convection experiments, applied to Earth's mantle dynamics, Surducan, E., Surducan, V., Limare, A., Neamtu, C., Di Giuseppe, E., Review of Scientific Instruments, ISSN 0034-6748, Issue 12, Volume 85, 2014.
Digital Object Identifier: 10.1063/1.4902323 [CrossRef]
[2] Modeling and simulation of a low power magnetron as an element of electrical system, Zemtsov, Artem I., Artyukhov, Ivan I., Stepanov, Sergei F., Mirgorodskaya, Ekaterina E., Mityashin, Nikita P., Kalistratov, Nikolai A., 2018 28th International Conference Radioelektronika (RADIOELEKTRONIKA), ISBN 978-1-5386-2485-2, 2018.
Digital Object Identifier: 10.1109/RADIOELEK.2018.8376358 [CrossRef]
[3] Power Supply System for Industrial Packaged Magnetrons Group, Zemtsov, Artem I., Artyukhov, Ivan I., 2019 29th International Conference Radioelektronika (RADIOELEKTRONIKA), ISBN 978-1-5386-9322-3, 2019.
Digital Object Identifier: 10.1109/RADIOELEK.2019.8733579 [CrossRef]
[4] Power Supply System for a Packaged Magnetron with Sub-Electromagnet, Artyukhov, I., Zemtsov, A., Borisenko, A., 2019 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon), ISBN 978-1-7281-0061-6, 2019.
Digital Object Identifier: 10.1109/FarEastCon.2019.8934901 [CrossRef]
[5] High efficiency start-up control of magnetron filament for MWO applications, Crisafulli, Vittorio, Chimento, Filippo, IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, ISBN 978-1-5090-3474-1, 2016.
Digital Object Identifier: 10.1109/IECON.2016.7792963 [CrossRef]
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
All rights reserved: Advances in Electrical and Computer Engineering is a registered trademark of the Stefan cel Mare University of Suceava. No part of this publication may be reproduced, stored in a retrieval system, photocopied, recorded or archived, without the written permission from the Editor. When authors submit their papers for publication, they agree that the copyright for their article be transferred to the Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, Romania, if and only if the articles are accepted for publication. The copyright covers the exclusive rights to reproduce and distribute the article, including reprints and translations.
Permission for other use: The copyright owner's consent does not extend to copying for general distribution, for promotion, for creating new works, or for resale. Specific written permission must be obtained from the Editor for such copying. Direct linking to files hosted on this website is strictly prohibited.
Disclaimer: Whilst every effort is made by the publishers and editorial board to see that no inaccurate or misleading data, opinions or statements appear in this journal, they wish to make it clear that all information and opinions formulated in the articles, as well as linguistic accuracy, are the sole responsibility of the author.
