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Stefan cel Mare
University of Suceava
Faculty of Electrical Engineering and
Computer Science
13, Universitatii Street
Suceava - 720229
ROMANIA

Print ISSN: 1582-7445
Online ISSN: 1844-7600
WorldCat: 643243560
doi: 10.4316/AECE


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2017-Jun-14
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  2/2011 - 8

Variable Power, Short Microwave Pulses Generation using a CW Magnetron

SURDUCAN, V. See more information about SURDUCAN, V. on SCOPUS See more information about SURDUCAN, V. on IEEExplore See more information about SURDUCAN, V. on Web of Science, SURDUCAN, E. See more information about  SURDUCAN, E. on SCOPUS See more information about  SURDUCAN, E. on SCOPUS See more information about SURDUCAN, E. on Web of Science, CIUPA, R. See more information about CIUPA, R. on SCOPUS See more information about CIUPA, R. on SCOPUS See more information about CIUPA, R. on Web of Science
 
Click to see author's profile on See more information about the author on SCOPUS SCOPUS, See more information about the author on IEEE Xplore IEEE Xplore, See more information about the author on Web of Science Web of Science

Download PDF pdficon (777 KB) | Citation | Downloads: 1,363 | Views: 4,429

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
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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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Cited-By CrossRef

SCOPUS® Times Cited: 3
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Cited-By CrossRef

[1] 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


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