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Pulse Width Modulation’s Impact
2021PWM technologies have multiple impacts on the power electronics converters. First, the switching losses of power electronics devices will be accumulated together with PWM and impact the converter power losses. Second, pulse voltage will cause ripple on the passive components in the output side.
Dong Jiang +4 more
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Principle of Pulse Width Modulation
2021In Chap. 1, the basic concept of pulse width modulation has been introduced briefly. In this chapter, the principle of pulse width modulation will be further discussed. Based on fundamental principle, space vector PWM (SVPWM) and carrier-based PWM (CBPWM) will be presented, respectively, together with the relationship between these two approaches. With
Dong Jiang +4 more
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A prefilter equalizer for pulse width modulation
Signal Processing, 2012This article demonstrates the feasibility of pulse-width-modulation (PWM) of discrete time signals in a digital audio amplifier without inducing the nonlinear distortion usually associated with straightforward PWM. This is achieved by prefiltering the signal prior to the PWM mapping in such a manner that the overall result is distortion-free.
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Spectrum of a frequency modulated pulse width modulation signal
International Journal of Circuit Theory and Applications, 2013AbstractIn power electronics, the switching elements are controlled by pulse width modulated (PWM) signals making their currents on and off repeatedly. This might cause electromagnetic interference (EMI) problems especially in switched mode power supplies.
KILINÇ, SELÇUK, Cabuk, Gokhan
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Pulse-Width Modulated Rectifiers
2001To obtain low ac line current THD, the passive techniques described in the previous chapter rely on low-frequency transformers and/or reactive elements. The large size and weight of these elements are objectionable in many applications. This chapter covers active techniques that employ converters having switching frequencies much greater than the ac ...
Robert W. Erickson, Dragan Maksimović
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MIDI Pulse Width Modulation Application
2011 International Conference on P2P, Parallel, Grid, Cloud and Internet Computing, 2011Article describes simulation application for automatic managing lights devices on the stage. There are described all technologies and protocols necessary for application development. MIDI messages are input information and as an output serves Pulse width modulation. A managing tension is the result of Pulse width modulation.
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2012
Pulse-width modulation (PWM) is the foundation of control in power electronics. Its design affects almost all aspects of converter operation, from steady-state and dynamic control performance to electromagnetic interference (EMI) and thermal design. The basic principle of commonly used PWM methods has been well established and easy to understand.
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Pulse-width modulation (PWM) is the foundation of control in power electronics. Its design affects almost all aspects of converter operation, from steady-state and dynamic control performance to electromagnetic interference (EMI) and thermal design. The basic principle of commonly used PWM methods has been well established and easy to understand.
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Three-Level Polynomial Pulse Width Modulation
IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, 2020This paper presents a pulse width modulation variation in order to overcome any drawback in the sampled reference signal due to its discretization. This discretization can be a problem in low switching frequency power converters; for instance, in Medium Voltage applications. This effect is amplified with interleaved power converter structures.
Alain Sanchez-Ruiz +6 more
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PULSE WIDTH MODULATION WITH HYBRID SAMPLING TECHNIQUES
IFAC Proceedings Volumes, 1983Abstract The authors show how, by means of a simple circuit using particularities of sampling techniques, a low cost PWM polyphase generator has been developed. It is of particular interest that only standard digital and analog circuits are used, which all fit on a single eurocard. Further the authors describe the requirements for PWM generators and
P. Lataire, N. Venlet, B. Kaczmareck
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Pulse-Width Modulator Simulation
2022 12th International Conference on Advanced Computer Information Technologies (ACIT), 2022Markiyan Nakonechnyi +4 more
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