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Статті в журналах з теми "Switching at zero voltage"

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Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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1

Lin, Bor-Ren, and Jyun-Ji Chen. "Zero-voltage-switching/zero-current-switching soft-switching dual-resonant converter." International Journal of Electronics 97, no. 5 (May 2010): 569–85. http://dx.doi.org/10.1080/00207210903486849.

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2

Huang, Chien-Chun, Tsung-Lin Tsai, Yao-Ching Hsieh, and Huang-Jen Chiu. "A Bilateral Zero-Voltage Switching Bidirectional DC-DC Converter with Low Switching Noise." Energies 11, no. 10 (October 1, 2018): 2618. http://dx.doi.org/10.3390/en11102618.

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Анотація:

This paper proposes a novel bilateral zero-voltage switching (ZVS) bidirectional converter with synchronous rectification. By controlling the direction and timing of excessive current injection, the main power switches can achieve bilateral ZVS under various loads and output voltages. Compared with the common soft-switching power converter with only zero-voltage turn-on, the proposed bilateral ZVS bidirectional converter can achieve both zero-voltage switching on and off in every switching cycle. This feature can alleviate the output switching noise due to the controlled rising and falling slope of the switch voltage. Furthermore, the voltage slopes almost remain unchanged over a wide range of output voltages and load levels. The most important feature of bilateral ZVS is to reduce the output switching noise. Experimental results based on a 1 kW prototype are presented to demonstrate the performance of the proposed converter. From experimental results on the proposed scheme, the switching noise reduction is about 75%.

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3

rao, G. Nageswara, K. Chandra sekar, and P. Sangameswararaju. "Zero-Voltage and Zero-Current Switching Converters." International Journal of Computer Applications 8, no. 10 (October 10, 2010): 1–5. http://dx.doi.org/10.5120/1246-1612.

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4

Kazimierczuk, M. K., and J. Jozwik. "Class-E zero-voltage-switching and zero-current-switching rectifiers." IEEE Transactions on Circuits and Systems 37, no. 3 (March 1990): 436–44. http://dx.doi.org/10.1109/31.52739.

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5

Jejurkar, Mr Pratik. "Switching at Zero Voltage Level." International Journal for Research in Applied Science and Engineering Technology 7, no. 3 (March 31, 2019): 1739–43. http://dx.doi.org/10.22214/ijraset.2019.3322.

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6

Do, Hyun Lark. "Non-Isolated High Step-up DC-DC Converter with a Coupled Inductor." Advanced Materials Research 424-425 (January 2012): 1024–27. http://dx.doi.org/10.4028/www.scientific.net/amr.424-425.1024.

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A non-isolated high step-up DC-DC converter with a coupled inductor is proposed in this paper. The proposed converter provides high voltage gain and soft-switching operation of all semiconductor devices. A voltage doubler and a coupled inductor increase the voltage gain. Zero-voltage-switching (ZVS) of all switches and zero-current-switching (ZCS) of all diodes are achieved. Also, the voltages across the semiconductor devices are effectively clamped. Due to the soft-switching operation of all switching devices, the switching loss is significantly reduced and the high efficiency is obtained. The feasibility and performance of the proposed converter were verified on an experimental prototype

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7

Lin, B. R., J. J. Chen, and S. F. Shen. "Zero voltage switching double-ended converter." IET Power Electronics 3, no. 2 (2010): 187. http://dx.doi.org/10.1049/iet-pel.2008.0239.

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8

Wang, C. M. "Zero-voltage-switching DC∕AC inverter." IET Electric Power Applications 1, no. 3 (2007): 387. http://dx.doi.org/10.1049/iet-epa:20060166.

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9

Urgun, S. "Zero-voltage transition–zero-current transition pulsewidth modulation DC–DC buck converter with zero-voltage switching–zero-current switching auxiliary circuit." IET Power Electronics 5, no. 5 (2012): 627. http://dx.doi.org/10.1049/iet-pel.2011.0304.

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10

Gurunathan, R., and A. K. S. Bhat. "A zero-voltage transition boost converter using a zero-voltage switching auxiliary circuit." IEEE Transactions on Power Electronics 17, no. 5 (September 2002): 658–68. http://dx.doi.org/10.1109/tpel.2002.802184.

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11

Kuo-Peng, Patrick, and Yvon Chéron. "Modeling the non-reversible series-resonant converter operating in zero voltage switching mode." Eletrônica de Potência 1, no. 1 (June 1, 1996): 71–78. http://dx.doi.org/10.18618/rep.1996.1.071078.

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12

Haghi, Rasool, Mohammad Reza Zolghadri, and Reza Beiranvand. "Novel Zero-Voltage-Switching Bridgeless PFC Converter." Journal of Power Electronics 13, no. 1 (January 20, 2013): 40–50. http://dx.doi.org/10.6113/jpe.2013.13.1.40.

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13

Jin, Ke, and Xinbo Ruan. "Zero-Voltage-Switching Multiresonant Three-Level Converters." IEEE Transactions on Industrial Electronics 54, no. 3 (June 2007): 1705–15. http://dx.doi.org/10.1109/tie.2007.894730.

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14

Bansal, S. "Zero-Voltage Switching in Full-Bridge Converter." Australian Journal of Electrical and Electronics Engineering 5, no. 1 (January 2008): 85–93. http://dx.doi.org/10.1080/1448837x.2008.11464203.

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15

Rui Li and Dehong Xu. "A Zero-Voltage Switching Three-Phase Inverter." IEEE Transactions on Power Electronics 29, no. 3 (March 2014): 1200–1210. http://dx.doi.org/10.1109/tpel.2013.2260871.

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16

Karimi, Rouhollah, Ehsan Adib, and Hosein Farzanehfard. "Resonance based zero‐voltage zero‐current switching full bridge converter." IET Power Electronics 7, no. 7 (July 2014): 1685–90. http://dx.doi.org/10.1049/iet-pel.2013.0301.

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17

Weinberg, A. H., and L. Ghislanzoni. "A new zero voltage and zero current power-switching technique." IEEE Transactions on Power Electronics 7, no. 4 (October 1992): 655–65. http://dx.doi.org/10.1109/63.163645.

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18

Wang, Zheng-shi, Zhen-li Lou, Yu-zhu Zeng, and Zhong-chao Zhang. "A zero-voltage zero-current soft switching DC/DC converter." Frontiers of Electrical and Electronic Engineering in China 1, no. 4 (December 2006): 385–89. http://dx.doi.org/10.1007/s11460-006-0074-4.

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19

Ibrahim, Oladimeji, Nor Zaihar Yahaya, and Nordin Saad. "Phase-Shifted Full-Bridge Zero Voltage Switching DC-DC Converter Design with MATLAB/Simulink Implementation." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 3 (June 1, 2018): 1488. http://dx.doi.org/10.11591/ijece.v8i3.pp1488-1497.

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Анотація:

Design of phase-shifted full bridge zero voltage switching DC-DC converter has been very challenging due to circuit parasitic effect on the system dynamics. This paper presents steady-state analysis and iterative approach for the systemic design of phase-shifted full bridge DC-DC converter with improved dynamic performance and satisfactory operational requirement in terms of zero-voltage switching range, operating switching frequency and switching resonance. A 3 kW DC-DC converter is designed using the iterative design approach and the system dynamics performance was investigated in the MATLAB/Simulink environment. The converter zero-voltage switching simulation results were satisfactory with 90% efficiency under full load condition.

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20

Yau, Yeu-Torng, Kuo-Ing Hwu, and Jenn-Jong Shieh. "Simple Structure of Soft Switching for Boost Converter." Energies 13, no. 20 (October 19, 2020): 5448. http://dx.doi.org/10.3390/en13205448.

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Анотація:

A soft switching boost converter, with a small number of components and constant frequency control, is proposed herein by using the quasi-resonance method and the zero-voltage-transition method, realizing (1) the zero-voltage switching during the switch-on transient of the main switch, (2) the zero-current switching during the switch-off transient of the main switch, (3) the zero-current switching during the switch-on transient of the auxiliary switch, and (4) the zero-current switching during the switch-off transient of the auxiliary switch. Accordingly, the corresponding efficiency can be improved. The feasibility and effectiveness of the proposed structure are validated by the field programmable gate array (FPGA).

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21

Omar, Riyadh, and Rabee Thejel. "Matlab/Simulink Modeling of Parallel Resonant DC Link Soft-Switching Four-leg SVPWM Inverter." Iraqi Journal for Electrical and Electronic Engineering 11, no. 1 (June 1, 2015): 70–82. http://dx.doi.org/10.37917/ijeee.11.1.8.

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This paper suggests the use of the traditional parallel resonant dc link (PRDCL) circuit to give soft switching to the Four-leg Space Vector Pulse Width Modulation (SVPWM) inverter. The proposed circuit provides a short period of zero voltage across the inverter during the zero-vectors occurrence. The transition between the zero and active vectors accomplished with zero- voltage condition (ZVC), this reduces the switching losses. Moreover, the inverter output voltage Total Harmonic Distortion (THD) not affected by circuit operation, since the zero voltage periods occur simultaneously with zero-vector periods. To confirm the results, balanced and unbalanced loads are used. Matlab/Simulink model implemented for simulation.

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22

Omar, Riyadh, and Rabee Thejel. "Matlab/Simulink Modeling of Parallel Resonant DC Link Soft-Switching Four-leg SVPWM Inverter." Iraqi Journal for Electrical and Electronic Engineering 11, no. 1 (June 1, 2015): 70–82. http://dx.doi.org/10.37917/ijeee.11.8.

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Анотація:

This paper suggests the use of the traditional parallel resonant dc link (PRDCL) circuit to give soft switching to the Four-leg Space Vector Pulse Width Modulation (SVPWM) inverter. The proposed circuit provides a short period of zero voltage across the inverter during the zero-vectors occurrence. The transition between the zero and active vectors accomplished with zero- voltage condition (ZVC), this reduces the switching losses. Moreover, the inverter output voltage Total Harmonic Distortion (THD) not affected by circuit operation, since the zero voltage periods occur simultaneously with zero-vector periods. To confirm the results, balanced and unbalanced loads are used. Matlab/Simulink model implemented for simulation.

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23

HUA, GUICHAO, and FRED C. LEE. "SOFT-SWITCHING PWM CONVERTER TECHNOLOGIES." Journal of Circuits, Systems and Computers 05, no. 04 (December 1995): 531–58. http://dx.doi.org/10.1142/s0218126695000333.

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Анотація:

The switched-mode power conversion technologies have evolved from the basic PWM converters to resonant converters, quasi-resonant converters, multi-resonant converters, and most recently, to soft-switching PWM converters. In this paper, several typical resonant techniques and several soft-switching PWM techniques are reviewed, and their merits and limitations are assessed. The resonant techniques reviewed include the quasi-resonant converters, multi-resonant converters, Class-E converters, and resonant dc link converters; and the soft-switching PWM techniques reviewed include the zero-voltage-switched (ZVS) quasi-square-wave converters, ZVS-PWM converters, zero-current-switched PWM converters, zero-voltage- transition PWM converters, and zero-current-transition PWM converters.

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24

Zhang, Hai Ming, and Xiao Zhong Liao. "A New Isolated Boost Converter with Coupling Inductors." Applied Mechanics and Materials 392 (September 2013): 394–97. http://dx.doi.org/10.4028/www.scientific.net/amm.392.394.

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Анотація:

This paper proposes a new improved zero-voltage switching isolated boost converter with coupling inductors. With the traditional advantages of smaller input current ripple, low diode voltage rating, and low transformer turns ratio of boost half bridge topology [ being retained, the proposed converter makes it much easier to realize zero voltage switching of primary switches compared with conventional converters.

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25

Chen, Yie-Tone, Shin-Ming Shiu, and Ruey-Hsun Liang. "Analysis and Design of a Zero-Voltage-Switching and Zero-Current-Switching Interleaved Boost Converter." IEEE Transactions on Power Electronics 27, no. 1 (January 2012): 161–73. http://dx.doi.org/10.1109/tpel.2011.2157939.

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26

Sabahi, M., S. H. Hosseini, M. B. Sharifian, A. Y. Goharrizi, and G. B. Gharehpetian. "Zero-voltage switching bi-directional power electronic transformer." IET Power Electronics 3, no. 5 (2010): 818. http://dx.doi.org/10.1049/iet-pel.2008.0070.

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27

Wei Tang, Ching-Shan Leu, and F. C. Lee. "Charge control for zero-voltage-switching multiresonant converter." IEEE Transactions on Power Electronics 11, no. 2 (March 1996): 270–74. http://dx.doi.org/10.1109/63.486175.

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28

Liu, K. H., and F. C. Y. Lee. "Zero-voltage switching technique in DC/DC converters." IEEE Transactions on Power Electronics 5, no. 3 (July 1990): 293–304. http://dx.doi.org/10.1109/63.56520.

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29

Lee, C. Q., R. Liu, and S. Sooksatra. "Nonresonant and resonant coupled zero voltage switching converters." IEEE Transactions on Power Electronics 5, no. 4 (October 1990): 404–12. http://dx.doi.org/10.1109/63.60683.

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30

Yuan, Yisheng, and Qunfang Wu. "A New Zero-Voltage-Switching Push-Pull Converter." Energy and Power Engineering 05, no. 04 (2013): 125–31. http://dx.doi.org/10.4236/epe.2013.54b024.

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31

Kazimierczuk, M. K. "Analysis of class E zero-voltage-switching rectifier." IEEE Transactions on Circuits and Systems 37, no. 6 (June 1990): 747–55. http://dx.doi.org/10.1109/31.55033.

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32

Do, Hyun-Lark. "Nonisolated Bidirectional Zero-Voltage-Switching DC–DC Converter." IEEE Transactions on Power Electronics 26, no. 9 (September 2011): 2563–69. http://dx.doi.org/10.1109/tpel.2011.2111387.

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33

Theron, P. C., and J. A. Ferreira. "The zero voltage switching partial series resonant converter." IEEE Transactions on Industry Applications 31, no. 4 (1995): 879–86. http://dx.doi.org/10.1109/28.395299.

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34

Y, Sukhi. "Bidirectional DC-DC Converter Using Zero Voltage Switching." Revista Gestão Inovação e Tecnologias 11, no. 4 (July 15, 2021): 3336–51. http://dx.doi.org/10.47059/revistageintec.v11i4.2374.

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35

Divakar, B. P., K. W. E. Cheng, and D. Sutanto. "Zero-voltage and zero-current switching buck-boost converter with low voltage and current stresses." IET Power Electronics 1, no. 3 (2008): 297. http://dx.doi.org/10.1049/iet-pel:20070038.

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36

Hyun-Lark, Do. "Isolated Zero-Voltage-Switching DC-DC Converter with High Voltage Gain." EPE Journal 23, no. 1 (March 2013): 5–12. http://dx.doi.org/10.1080/09398368.2013.11463840.

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37

Kani, N. Ismayil, B. V. Manikandan, and Prabakar Perciyal. "A Novel Soft Switching Based Fuzzy Logic Control for Single Phase Inverter." Applied Mechanics and Materials 573 (June 2014): 143–49. http://dx.doi.org/10.4028/www.scientific.net/amm.573.143.

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Анотація:

—This The Pulse Width Modulation (PWM) DC-to-AC inverter has been widely used in many applications due to its circuit simplicity and rugged control scheme. It is however driven by a hard-switching pulse width modulation (PWM) inverter, which has low switching frequency, high switching loss, high electro-magnetic interference (EMI), high acoustic noise and low efficiency, etc. To solve these problems of the hard-switching inverter, many soft-switching inverters have been designed in the past. Unfortunately, high device voltage stress, large dc link voltage ripples, complex control scheme and so on are noticed in the existing soft-switching inverters. This proposed work overcomes the above problems with simple circuit topology and all switches work in zero-voltage switching condition. Comparative analysis between conventional open loop, PI and fuzzy logic based soft switching inverter is also presented and discussed. Keywords—Zero voltage switching, Inverter, Dc link, PI controller, Fuzzy logic system control ,Modulation strategy, Soft switching

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38

Cheng, Chang, Cheng, Chang, Chung, and Chang. "A Single-Stage LED Streetlight Driver with Soft-Switching and Interleaved PFC Features." Electronics 8, no. 8 (August 18, 2019): 911. http://dx.doi.org/10.3390/electronics8080911.

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Анотація:

This paper presents a single-stage driver with soft-switching and interleaved power-factor correction (PFC) features suitable for light-emitting diode (LED) energy-saving streetlight applications. The proposed LED streetlight driver integrates an interleaved buck-boost PFC converter with coupled inductors and a half-bridge LLC resonant converter into a single-stage power-conversion circuit with reduced voltage stress on the DC-linked capacitor and power switches, and it is suitable for operating at high utility-line voltages. Furthermore, coupled inductors in the interleaved buck-boost PFC converter are operated in discontinuous-conduction mode (DCM) for accomplishing PFC, and the half-bridge LLC resonant converter features zero-voltage switching (ZVS) to reduce switching losses of power switches, and zero-current switching (ZCS) to decrease conduction losses of power diodes. Operational modes and design considerations for the proposed LED streetlight driver are introduced. Finally, a 144 W (36V/4A)-rated LED prototype driver is successfully developed and implemented for supplying a streetlight module and operating with a utility-line input voltage of 220 V. High power factor, low output-voltage ripple factor, low output-current ripple factor, and high efficiency are achieved in the proposed LED streetlight driver.

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39

Martins, M. L., H. Pinheiro, J. R. Pinheiro, H. A. Gründling, and H. L. Hey. "A family of improved ZVT PWM converters using an auxiliary resonant source." Sba: Controle & Automação Sociedade Brasileira de Automatica 14, no. 4 (December 2003): 412–21. http://dx.doi.org/10.1590/s0103-17592003000400009.

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Анотація:

This paper presents a novel family of Zero Voltage Transition (ZVT) DC-DC PWM Converters that uses a resonant circuit as auxiliary commutation source to control the current through the auxiliary switch without additional current stresses on main devices. The improved ZVT commutation cell enables the main switch to be turned on and off at Zero Voltage Switching (ZVS) and the auxiliary switch to be turned on and off at Zero Current Switching (ZCS) from zero to full-load.

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40

Kiatsookkanatorn, Paiboon, and Napat Watjanatepin. "Novel ripple reduction method using three-level inverters with unipolar PWM." Indonesian Journal of Electrical Engineering and Computer Science 22, no. 3 (June 1, 2021): 1272. http://dx.doi.org/10.11591/ijeecs.v22.i3.pp1272-1283.

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Анотація:

This paper proposes a novel method to reduce voltage and current ripple for the inverters by using three-level inverters with unipolar pulse width modulation (PWM) (3LFB-2U). A simple technique of switching signal generation by using carrier-based dipolar modulation of three-phase three-level inverters is extended to single-phase inverters that can be done by generating all possible switching patterns of the single-phase three-level inverters. Moreover, the concept of carrier-based dipolar modulation and the construction of reference voltages from desired output voltage and added zero voltage to control unipolar switching is also shown. The research results reveal that the proposed method can reduce the voltage and current ripple. Furthermore, the voltage and current harmonics can reduce by 27.80% and 1.79%, respectively less than two-level inverters without a loss of a simple modulation to generate the switching signals.

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41

N, Anandh, Akhilesh Sharma, Julius Fusic S, and Ramesh H. "An improved zero-voltage zero-current transition boost converter employing L-C-S resonant network." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 4 (December 1, 2020): 1844. http://dx.doi.org/10.11591/ijpeds.v11.i4.pp1844-1856.

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Анотація:

An improved zero-voltage zero-current transition boost converter (IZVZCTBC) is introduced. This converter is basically a fourth-order DC-DC converter wherein a L-C-S (Inductor–Capacitor–Switch) resonant circuit is embedded for soft-switching. L-C-S tank network is the modified version of conventional ZVZCT switch cell. The main feature of L-C-S tank circuit is to enhance the performance of zero-voltage zero-current transition boost converter in terms of eliminating the high current stress, decreasing the switching losses and increasing the efficiency of converter. This converter exhibits both zero-voltage turn on and zero-current turn off switching characteristics based on the gating signals applied to switches. The principle of operation and time domain expressions of IZVZCT boost converter with L-C-S cell are presented. For the closed loop operation, digital controller is designed and the performance of the controller has been validated through simulation for different line and load variations. The mathematical and theoretical analysis is verified accurately by a 12-24 V, 30 W converter through PSIM simulation software and the results ensures that overall efficiency of the converter has improved to 97% along with elimination of current stress.

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42

Raghavendran, S., B. Chitti Babu, and Luigi Piegari. "Analysis, Design and Experimental Validation of Modified Simple Soft Switching DC-DC Boost Converter." International Journal of Emerging Electric Power Systems 16, no. 4 (August 1, 2015): 331–37. http://dx.doi.org/10.1515/ijeeps-2015-0013.

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Анотація:

Abstract This paper investigates a modified simple soft switching dc-dc converter for low power applications. This simple topology uses an auxiliary switch, an inductor and a capacitor to operate the converter without switching losses. The efficiency of the converter is improved by transferring the energy that would be dissipated during the switching to the load. The main switch turns-on with zero current switching (ZCS) and turns-off with zero voltage switching (ZVS), while the auxiliary switch turns-on and turns-off with zero voltage switching (ZVS). The detailed theoretical analysis and the design equations are described. In addition to that, the analysis of proposed converter is demonstrated by both simulation and experimental results for effectiveness of the study.

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43

Iqbal, Atif, Shaikh Moinoddine, and Khaliqur Rahman. "Finite State Predictive Current and Common Mode Voltage Control of a Seven-phase Voltage Source Inverter." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 3 (September 1, 2015): 459. http://dx.doi.org/10.11591/ijpeds.v6.i3.pp459-476.

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<p class="abstract">The paper elaborate finite set model based predictive current control of a seven-phase voltage source inverter. The current control is carried out considering a finite set of control actions. The space vector model of a seven-phase voltage source inverter (VSI) yields 2<sup>7</sup> = 128 space voltage vectors, with 126 active and two zero vectors. The control method described in this paper discard some switching states from the whole set and employs reduced number of switching states to track the commanded current. Three sets of space vectors are used for switching actuation, in one case only 15 vectors are used (14 active and one zero), in second case 29 vectors are used (28 active and one zero) and finally 43 vectors (42 active and one zero) are employed. Optimal algorithm is employed to find the vector which minimizes the chosen cost function. The effect of selecting the cost function, the number of space vectors and the sampling time is investigated and reported. The developed technique is tested for RL load using simulation and experimental approaches.</p><p class="Papertitle"> </p>

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F. Omar, M., and H. C. M. Haris. "Series-Loaded Resonant Converter DC-DC Buck Operating for Low Power." Indonesian Journal of Electrical Engineering and Computer Science 8, no. 1 (October 1, 2017): 159. http://dx.doi.org/10.11591/ijeecs.v8.i1.pp159-168.

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This paper presents the functions of Series-Loaded Resonant Converter (SLRC). Series Loaded Resonant DC-DC converter is a type of soft-switching topology widely known for providing improved efficiency. Zero voltage switching (ZVS) buck converter is more preferable over hard switched buck converter for low power, high frequency DC-DC conversion applications. Zero Voltage switching techniques will be used to improve the efficiency of current and voltage at the series loaded half-bridge rectifier. The results will be described from PSIM simulation, Programming of MATLAB calculation and hardware testing.

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45

Salem, Mohamed, Awang Jusoh, Nik Rumzi Nik Idris, Tole Sutikno, and Yonis M. Yonis Buswig. "Phase-shifted Series Resonant Converter with Zero Voltage Switching Turn-on and Variable Frequency Control." International Journal of Power Electronics and Drive Systems (IJPEDS) 8, no. 3 (September 1, 2017): 1184. http://dx.doi.org/10.11591/ijpeds.v8.i3.pp1184-1192.

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This paper presents a phase shifted series resonant converter with step up high frequency transformer to achieve the functions of high output voltage, high power density and wide range of Zero Voltage Switching (ZVS). In this approach, the output voltage is controlled by varying the switching frequency. The controller has been designed to achieve a good stability under different load conditions. The converter will react to the load variation by varying its switching frequency to satisfy the output voltage requirements. Therefore in order to maintain constant output voltage, for light load (50% of the load), the switching frequency will be decreased to meet the desired output, while for the full load (100%) conditions, the switching frequency will be increased. Since the controlled switching frequency is limited by the range between the higher and lower resonant frequencies , the switches can be turned on under ZVS. In this study, a laboratory experiment has been conducted to verify the effectiveness of the system performance.

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46

Lin, Bor‐Ren, and Po‐Jen Cheng. "Analysis of an interleaved zero‐voltage switching/zero current switching resonant converter with duty cycle control." IET Power Electronics 6, no. 2 (February 2013): 374–82. http://dx.doi.org/10.1049/iet-pel.2012.0617.

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47

Carr, Joseph Alexander, Brian Rowden, and Juan Carlos Balda. "A Three-Level Full-Bridge Zero-Voltage Zero-Current Switching Converter With a Simplified Switching Scheme." IEEE Transactions on Power Electronics 24, no. 2 (February 2009): 329–38. http://dx.doi.org/10.1109/tpel.2008.2007211.

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48

Zhang, Hong, Gui Xin Wang, Hao Yan, and Lu Zhou Zhang. "Research on the Half-Bridge Three-Level DC/DC Converter with High Frequency and High Voltage." Advanced Materials Research 732-733 (August 2013): 1175–78. http://dx.doi.org/10.4028/www.scientific.net/amr.732-733.1175.

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In this research, a high-voltage direct current zero voltage switching (ZVS) PWM half-bridge converter is proposed. The parameters of the converter as follows: the input voltage is up to 4000V;the output voltage is 600V.The new ZVS PWM TL converter has neutral point clamping diodes and flying capacitor. This research is going to analyze the working principle of circuit witch thus realizing the zero voltage switching and the circuit parameters selection. Moreover, circuits simulation is carried out by MATLAB to verify the reliability and feasibility of this DC/DC converter topology.

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49

Park, HwaPyeong, DoKyoung Kim, SeungHo Baek, and JeeHoon Jung. "Extension of Zero Voltage Switching Capability for CLLC Resonant Converter." Energies 12, no. 5 (March 1, 2019): 818. http://dx.doi.org/10.3390/en12050818.

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TheCLLC resonant converter has been widely used to obtaina high power conversion efficiency with sinusoidal current waveforms and a soft switching capability. However, it has a limited voltage gain range according to the input voltage variation. The current-fed structure canbe one solution to extend the voltage gain range for the wide input voltage variation, butit has a limited zero voltage switching (ZVS) range. In this paper, the current-fed CLLC resonant converter with additional inductance is proposed to extend the ZVS range. The operational principle is analyzed to design the additional inductance for obtaining the extended ZVS range. The design methodology of the additional inductance is proposed to maximize the ZVS capability for the entire load range. The performance of the proposed method is verified with a 20 W prototype converter.

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50

Canales, F., P. Barbosa, and F. C. Lee. "A zero-voltage and zero-current switching three-level DC/DC converter." IEEE Transactions on Power Electronics 17, no. 6 (November 2002): 898–904. http://dx.doi.org/10.1109/tpel.2002.805609.

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