Results 11 to 20 of about 10,329 (261)

Soft-Switching Full-Bridge DC-DC Converter with Energy Recovery Capacitor Snubber

open access: yesEnergies, 2023
This paper describes a high-frequency soft-switching dc-dc converter with a simple energy recovery capacitor snubber on the secondary side. The presented dc-dc full-bridge converter with the energy recovery snubber removes the main drawbacks of the ...
Marek Pastor   +3 more
doaj   +1 more source

Wide Input Voltage Range Operation of the Series Resonant DC-DC Converter with Bridgeless Boost Rectifier

open access: yesEnergies, 2020
The series resonant DC-DC converter (SRC) can regulate the input voltage in a wide range at a fixed switching frequency. In this work, the bridgeless rectifier, which is utilized intensively in the applications of the power factor correction, has been ...
Abualkasim Bakeer   +3 more
doaj   +1 more source

An Analysis and Optimization of the Battery Capacity Difference Tolerance of the Modular Multi-Level Half-Bridge Energy Storage Converter

open access: yesEnergies, 2023
As a power converter of battery energy storage, the multi-level converter and its battery balancing control have received much attention from scholars.
Yuhang Pan, Qingsong Wang, Giuseppe Buja
doaj   +1 more source

Elimination of output voltage oscillations in DC-DC converter using PWM with PI controller [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2010
In this paper the SIMULINK model of a PWM controlled DC-DC converter is modeled using switching function concept to control the speed of the DC motor. The presence of the voltage oscillation cycles due to higher switching frequency in the DC-DC converter
Sreenivasappa Veeranna Bhupasandra   +1 more
doaj   +1 more source

Carrier-based sinusoidal pulse-width modulation techniques for flying capacitor modular multi-level cascaded converter

open access: yesHeliyon, 2019
Carrier-based sinusoidal pulse-width modulation (PWM) techniques, such as phase disposoed PWM(PD-PWM) and phase shifted PWM (PS-PWM), are widely applied to control the modular multilevel cascaded converters (MMCC) having full H-bridge as sub-modules ...
O.J.K. Oghorada   +3 more
doaj   +1 more source

Performance Comparison of Five-Level Active Neutral Point Converter Based on Phase Disposition-PWM and Alternate Phase Opposition Disposition-PWM [PDF]

open access: yesITM Web of Conferences, 2022
The work in this paper presents the performance analysis of the reduced component count converter which is the 5-Level Active Neutral Point Converter (5LANPC).
Ameer Noory Zainab, Hassan Raaed. F.
doaj   +1 more source

New Stationary Frame Control Scheme for Three Phase PWM Rectifiers Under Unbalanced Voltage Dips Conditions [PDF]

open access: yes, 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
core   +1 more source

Series Resonant Converter With Multiple Resonant Points Using Sequential PWM for Electrical Vehicle On-Board Charger

open access: yesIEEE Access, 2023
In electric vehicle (EV) charging applications, maintaining high efficiency over a wide output voltage range is considered the most challenging mission.
Jong-Woo Kim, Dohong Lee, Younghoon Cho
doaj   +1 more source

Design and Analysis of Front Side Modular Multilevel Converter for Smart Transformer in 15 kV Arba Minch Distribution Network Using Diverse Controllers and Multicarrier Modulation

open access: yesJournal of Engineering, 2022
This paper presents design and analysis of a bidirectional medium voltage (MV) front-side converter of smart transformer (ST) for Arba Minch Town distribution system.
Yalisho Girma Loaena   +2 more
doaj   +1 more source

A ZVT–ZCT PWM synchronous buck converter with a simple passive auxiliary circuit for reduction of losses and efficiency enhancement

open access: yesAin Shams Engineering Journal, 2015
In this paper, a Zero-Voltage-Transition (ZVT)–Zero-Current Transition (ZCT) Pulse-width Modulated (PWM) synchronous buck converter (SBC), with a simple passive auxiliary circuit is proposed, which reduces the stresses and improves the efficiency by ...
S. Shiva Kumar   +2 more
doaj   +1 more source

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