Results 21 to 30 of about 148,390 (182)
New Stationary Frame Control Scheme for Three Phase PWM Rectifiers Under Unbalanced Voltage Dips Conditions [PDF]
, 2010 A new stationary frame control scheme for three-phase pulsewidth-modulation (PWM) rectifiers operating under unbalanced voltage dips conditions is proposed in this paper.
BOJOI, IUSTIN RADU +5 more
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Energies, 2017 : Multilevel modulation strategy is an important factor affecting the output performance of multilevel converters. In this paper, the relationship between phase-shifted pulse width modulation (PWM) and phase disposition PWM is analyzed, and then an ...
Muxuan Xiao, Qianming Xu, Honglin Ouyang
doaj +1 more source
Micromachines, 2023 This study developed and implemented a driving power supply for light-emitting diode (LED) array streetlamps. The power stage was a quasi-resonant (QR)-flyback converter, its input power was the alternating-current power, and the LED array streetlamp was
Kai-Jun Pai +2 more
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A Family of Discontinuous PWM Strategies for Quasi Z-Source Nine-Switch Inverters
IEEE Access, 2021 This paper proposes a new family of discontinuous PWM strategies to control the quasi-Z-source nine-switch inverters (qZS-NSI). The presented strategies provide buck and boost inversion capabilities, and suitable for common-frequency and different ...
Sherif M. Dabour +3 more
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Fast Method for the Iron Losses Prediction in Inverter Fed Induction Motors [PDF]
, 2009 In this paper an easy method for the iron loss prediction in PWM inverter fed induction motors is presented. The method was initially proposed and validated for the prediction of the iron losses in non-oriented soft magnetic material with PWM supply ...
A. Boglietti +5 more
core +1 more source
Enhanced Performance Modified Discontinuous PWM Technique for Three-Phase Z-Source Inverter
Energies, 2020 Various industrial applications require a voltage conversion stage from DC to AC. Among them, commercial renewable energy systems (RES) need a voltage buck and/or boost stage for islanded/grid connected operation.
Ahmed A. Hossameldin +3 more
doaj +1 more source
Comparative Analysis among DSP and FPGA-based Control Capabilities in PWM Power Converters [PDF]
, 2004 PWM power converters are close to be mature for standard diffusion. New FPGA technologies could now realise at best the digital control key-points: flexible performance and time to market.
Fratta, Antonino +7 more
core +1 more source
Pulse width Modulation Command Systems Used for the Optimization of Three Phase Inverters
Advances in Electrical and Computer Engineering, 2009 This paper deals with a novel pulse width modulation (PWM) switching strategy for a voltage source inverter through carrier modification. The proposed discontinuous sine carrier PWM (DPWM1) method, which uses two modified sine waves, has a better ...
LUCANU, M. +3 more
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Minimum Loss Discontinuous Pulse-Width Modulation Per Phase Method for Three-Phase Four-Leg Inverter
IEEE Access, 2020 The three-phase four-leg inverter (TPFLI) provides unbalanced voltage to a load or injects unbalanced current to a grid to compensate unbalanced current. However, it has a high switching loss because of the fourth leg. This paper presents a discontinuous
Soo Yeon Kim +2 more
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IET Power Electronics, 2023 High current qualities and high efficiencies are always two important characteristics for power converters. However, it is challenging to achieve the two targets simultaneously. In this paper, the dead‐time‐effect elimination pulse‐width‐modulation (PWM)
Qingzeng Yan, Zanrong Zhou, Mingbo Wu
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