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Search results for: frequency
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Year: 2023, Volume: 23, Number: 1
... fashionable in towards rotor center (Fig. 1(c )) while low frequency industry based on the reduction in total structural volume of impedance of the rotor ... fast switching and compact variable pull-out torque is contrarily reduced [4]. The high-frequency frequency drive technologies, wide speed range operations surface impedance of the rotor is ...
Year: 2013, Volume: 13, Number: 3
... large loads or loss of generation. inverter is able to change the voltage and frequency of the The outline of the paper is as follows. Firstly, the ... Fig. 1. It is assumed that phase power after the cancelation of the double-frequency this system is a balanced three-phase circuit. terms. Each generator consists of ...
Year: 2018, Volume: 18, Number: 2
... Abstract — A continuous development of technology involves requirements. However, the converter's switching frequency a permanent improvement of appliances towards the increase is limited from above, owing ... in this paper and limit its switching losses, its operating point has especially in high-frequency units [9]. The references [10- been optimized, which ...
Year: 2017, Volume: 17, Number: 4
... grids or to increase and adjust voltage at the end of long lines. High frequency AC-AC Fig. 1 presents a direct boost AC-AC converter circuit. converters have ... Q control, etc. 1 D2+( -) C0_ (+) Low-frequency AC choppers are presented in [1]. References [2-4] refer ...
Year: 2010, Volume: 10, Issue: 3
... The magnetizing characteristic of a typical of a ferroresonance circuit to a quasi periodic and frequency 100VA VTs can be presented by 7 order polynomial [12]. locked ... theory in studying and [8] S.K. Chkravarthy, C.V. Nayar, Frequency-locked and quasi periodic understanding the global behavior of a ferroresonant electric power (QP ...
Year: 2016, Volume: 16, Number: 4
... and y are in correcting color distortions using the estimated color image coordinates in the frequency domain. For colored transfer function. The efficiency of the method will be ... The filter evolved very quickly in recent years, as the demand through attenuates the high-frequency components of the data. secure transmission channels is high. Applications of image ...
Year: 2010, Volume: 10, Issue: 3
... analysis like where N is the number of the data points. statistical parameters and frequency domain analysis like 1 N Fourier Transform are quite applicable in many applications. ... ] B. Yazici and G. B. Kliman, "An adaptive statistical time-frequency Nostrand Reinhold, NewYork, pp 35 – 55 method for detection of broken ...
Year: 2016, Volume: 16, Number: 2
... 1. Topology of the proposed buck-boost type AC voltage regulator According to the switching frequency of S1 depending on the proper control of S1 and S2 mentioned above, ... ] D. Chen, Y. Chen, "Step-up ac voltage regulators with high-frequency 600V GaN power devices in a PV application requiring 1200V link", IEEE ...
Year: 2016, Volume: 16, Number: 3
... studied, in detail [7]. Index Terms — information security, radio frequency identification, random number generation, RFID tags, ubiquitous computing. I. ... Ours Frequency 0.98 1.00 Only two tests individually fail the criteria. But the NIST Block-frequency 0.98 0.99 tests are known to be the strictest tests intended for Cumulative-sums 0.98 ...
Year: 2017, Volume: 17, Number: 3
... n ï€ 2 k 10  nZ 5 c j ,k denotes the low frequency information of original 0 0 100 200 300 400 500 600 700 signal; ... motion. Wavelet prediction model. analysis [17, 18] has a good time-frequency localization In order to verify the adaptability of the research methods properties, through ...
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