Results 21 to 30 of about 74,271 (311)
Pulse-Width Modulation of Z-Source Inverters [PDF]
, 2005 Z-Source inverters have recently been proposed as an alternative power conversion concept as they have both voltage buck and boost capabilities. These inverters use a unique impedance network, coupled between the power source and converter circuit, to ...
Chua, G.T. +4 more
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Novel Asymmetrical Pulse Width Modulation Method
MATEC Web of Conferences, 2017 The paper proposes new asymmetrical PWM that can be used for operation of multilevel inverters. The working and construction principle of this PWM is demonstrated on 13-level PWM signal that is applied to nine-level inverter and operates it as 13-level ...
Baimel Dmitry, Tapuchi Saad, Baimel Nina
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IEEE Access, 2023 This paper presents an efficient independent phase switching loss reduction technique for 2-level 3-phase voltage source inverters. A modified carrier-based pulse-width modulation algorithm, named per-phase discontinuous pulse-width modulation, is used ...
Minh-Hoang Nguyen +2 more
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Measurement + Control, 2020 The common dual-pulse-width-modulation converter adopts the independent method to control the rectifier and inverter, which has the defects including direct current voltage fluctuation, slow system response and so on.
Bo Fan +3 more
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Convolutional coded dual header pulse interval modulation for line of sight photonic wireless links. [PDF]
, 2009 The analysis and simulation for convolutional coded dual header pulse interval modulation (CC-DH-PIM) scheme using a rate ½ convolutional code with the constraint length of 3 is presented.
Ghassemlooy, Zabih, Rajbhandari, Sujan
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IEEE Access, 2020 Re-pulsing glow discharges in atmospheric-pressure air were experimentally investigated using a push-pull generator with pulse-width modulation. Discharges were ignited as a spark-glow discharge sequence and sustained in a glow regime after ignition in a
Vladislav Gamaleev +2 more
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An efficient wavelength converter exploiting a grating based saw-tooth pulse shaper [PDF]
, 2008 We experimentally demonstrate the generation of picosecond triangular optical pulses using a superstructured fiber Bragg grating and show experimentally that use of this pulse shape can provide a three-fold improvement in conversion efficiency relative ...
M. Ibsen +11 more
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Hybrid Space Vector PWM Strategy for Three-Phase VIENNA Rectifiers
Sensors, 2022 Vienna rectifiers are widely used, but they have problems of zero-crossing current distortion and midpoint potential imbalance. In this paper, an improved hybrid modulation strategy is proposed.
Yaodong Wang +3 more
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FPGA Implementation of a General Space Vector Approach on a 6-Leg Voltage Source Inverter [PDF]
, 2011 A general algorithm of a Space Vector approach is implemented on a 6-leg VSI controlling a PM synchronous machine with three independent phases. In this last case, the necessity of controlling the zero-sequence current motivates the choice of a special ...
COLAS, Frédéric +13 more
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Intensity Distribution of the Shaped Femtosecond Laser Pulse by Step Phase Modulation
Nantong Daxue xuebao. Ziran kexue ban, 2020 The intensity distribution of the step phase shaped femtosecond laser pulse by ultra-fast pulse shaping technique is studied. The results show that two sub-pulses with variable intensity can be developed from a Gaussian laser pulse by adjusting the step ...
HUANG Yunxia;JI Xianming;XU Shuwu
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