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Search results for: converter
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Year: 2011, Volume: 11, Number: 3
... the other hand, since the physical limits of the front- idleness prediction algorithm is utilized based on developing a cooperative spectrum searching approach. Through combining end AD converters and the detecting nature of energy the estimated transmission time, the PU appearance detection, the wide-band spectrum sensing is based on probability and the mean spectrum availability ...
Year: 2011, Volume: 11, Number: 2
... structure is the elimination of the values. A frequency converter represents, no doubt, more an concept of ... distinct windings applications. Then, the development of frequency converters and with one winding with switchable number of poles ... current direction through half of each phase winding (rather converter-electric motor system, on the other hand. similar ...
Year: 2011, Volume: 11, Number: 2
... presented in this paper. Non-singular terminal sliding mode control is used to make the converter Terminal sliding mode control has the advantage of finite reach steady state within a ... Volume 11, Number 2, 2011 Adaptive Non-singular Terminal Sliding Mode Control for DC-DC Converters Liping FAN, Yazhou YU College of Information, Shenyang University of Chemical Technology ...
Year: 2011, Volume: 11, Number: 2
... ) by adaptive flux search control. The six-phase [15]. A boost converter is used in [16] to improve the power induction motor is supplied ... harmonic noises in four-switch decreases the convergence time by proper change of flux three-phase power converters is presented in [17]. Also, flux variation steps and increases ...
Year: 2011, Volume: 11, Number: 2
... Electrical and Computer Engineering Volume 11, Number 2, 2011 A New Asymmetrical Current-fed Converter with Voltage Lifting Majid DELSHAD Department of Electrical Engineering, Khorasgan (Isfahan) ... the expense of higher switch I. INTRODUCTION voltage stress. High step-up isolated dc-dc converters are vastly used in In this paper, a new soft switching current-fed converter ...
Year: 2011, Volume: 11, Number: 2
... and Computer Engineering Volume 11, Number 2, 2011 Improving the Delay of Residue-to-Binary Converter for a Four-Moduli Set Amir SABBAGH MOLAHOSSEINI Department of Computer Engineering, Kerman Branch ... RNS as (x 1, x 2, €, x n) where converters. The most prominent moduli set is {2n €“ 1, 2n, ...
Year: 2011, Volume: 11, Number: 2
... DFOC control system, the following hypotheses have been considered: Because K1 is a constant and then, in case of a slower r ‚ The static frequency converter (CSF) is assumed to parameter variation related to the adaptive law, we get: contain a voltage inverter. r € ki ƒ— ƒ t1 ...
Year: 2011, Volume: 11, Number: 2
... 11, Number 2, 2011 DSP Based Control Implementation of an AC/DC Converter with Improved Input Current Distortion Pisit WISUTMETHEEKORN, Viboon CHUNKAG Electrical Engineering Department, ... harmonic currents was presented. from the AC line. Therefore the AC/DC converters with This paper presents a low cost DSP based control power factor correction [ ...
Year: 2011, Volume: 11, Number: 2
... , M. Nakaoka, D. Bessyo, K. bandwidth 70MHz. Yasui, I. Hirota, H. Omori, "Quasi-resonant ZVS PWM Inverter-fed DC-DC Converter for Microwave Oven and its Input Harmonic Current Evaluations", Industrial Electronics Society, 1999. IECON VI. CONCLUSIONS '99 Proceedings. The 25th Annual Conference of ...
Year: 2011, Volume: 11, Number: 1
... a greater Power supply unit of a modern PC consists of input number of connected PCs (e.g. more than 50 PCs per phase). AC/DC converter with capacitive filtering on DC side. Simplified electrical scheme is shown in Fig. 1. Current on AC side is determined with capacitor charging/discharging and ...
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