Results 1 to 10 of about 5,562 (169)
An all-digital RF transmitter architecture based on jitter-enhanced PWM for flexible frequency applications [PDF]
Scientific ReportsWe propose a novel flexible jitter-enhanced pulse width modulation(PWM) hardware architecture, which aims to improve the modulation resolution while reducing the requirement of PWM frequency.
Biao Long +5 more
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Optimized Inverter Circuits for Driving Dual AC Loads for Home Solar Water Pumping [PDF]
E3S Web of Conferences, 2023 This research presents a generic pulse width modulation (PWM) approach for nine switch inverters and five-leg inverters. The circuit design of both inverters and a modulation mechanism for separate drives have been described. The available DC bus voltage
Gireesh Kumar Devineni +5 more
doaj +1 more source
Micromachines, 2021 Pulse Width Modulation (PWM) strategies are crucial for controlling DC–AC power converters. In particular, transformerless inverters require specific PWM techniques to improve efficiency and to deal with leakage ground current issues.
Gerardo Vazquez-Guzman +6 more
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IEEE Open Journal of Power Electronics, 2020 A general PWM method for soft-switching three-phase power converters-Edge Aligned PWM (EA-PWM) is proposed. It aligns all the high loss commutation instants of the converter bridges in a switching cycle at the same instant so that all the switches of the
Keyan Shi, Jinyi Deng, Dehong Xu
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Self oscillating PWM modulators, a topological comparision [PDF]
Conference Record of the Twenty-Sixth International Power Modulator Symposium, 2004 and 2004 High-Voltage Workshop., 2004 High precision control of the output voltage or current of a switch mode converter with fast response is required for a number of applications. Dependent on the type of application, the desired precision and transient response can be difficult, if not impossible, to achieve with standard pulse width modulation (PWM) control caused by limitations in ...
Poulsen, Søren +1 more
openaire +2 more sources
A Study on Performance and Characteristic Analysis According to the Operating Point of IPMSM Drive
Energies, 2023 This study presents the characteristics and performance of a motor at the operating point based on pulse-width modulation (PWM). PWM is used in modulating the output voltage of a three-phase inverter.
Hyun-Jong Park +2 more
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Adapted Modulation For Thd Performance Improvement And Losses Reduction On Multilevel Inverters
Eletrônica de Potência, 2011 This paper presents an adapted carrier-based PWM modulation technique to be applied on both Neutral Point-Clamped (NPC) and Flying Capacitor (FC) structures of multilevel inverters.
G.A.L. Henn +5 more
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Analisa Kinerja Sinusoidal PWM Inverter untuk Pengaturan Kecepatan Motor Induksi Tiga Fasa
Teknika, 2016 PWM (pengaturan lebar pulsa) merupakan salah satu teknik yang baik untuk digunakan dalam sistem kendali (control system) saat ini. Pengaturan lebar modulasi dipergunakan di berbagai bidang yang sangat luas, salah satu diantaranya adalah pengaturan ...
Heri Haryanto, Vicky Immanuel
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IET Electric Power Applications, 2023 For high‐power converters, the low switching frequency (SF) modulation represented by selective harmonic elimination pulse width modulation (SHE‐PWM) is crucial to reduce the switching loss and enhance the efficiency with a good steady‐state performance.
Bo Guan, Xuyang Yan
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The Journal of Engineering Research, 2019 In this paper, the carrier based Pulse Width Modulation (PWM) technique and neural network based rotor resistance estimator are proposed for vector controller Induction motor (IM) drives. The popular sine PWM is used for induction motor drive.
Venkadesan A
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