Results 21 to 30 of about 13,310 (293)
A Parameter Estimation Method of DC-link Capacitor Based on Pre-charge Process of Traction Converter
Kongzhi Yu Xinxi Jishu, 2023 As a key component of traction converter, DC-link capacitor plays a key role in stabilizing DC side voltage. However, when a DC-link capacitor is exposed to high temperature and high pressure for a long time, its equivalent series resistance(ESR) will ...
LYU Gexing, ZHU Qi
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机车电传动, 2012 In the paper, to reduce the DC-link capacitor voltage harmonics of dual-cascading PWM rectifier in electric traction AC drive system, firstly, the theoretical design method of DC-link capacitor was introduced, then, the characteristic of high order ...
WANG Na, SONG Wen-sheng, FENG Xiao-yun
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Journal of King Saud University: Engineering Sciences, 2017 In this paper theoretical and experimental analysis of an AC–DC–AC inverter under DC link capacitor failure is presented. The failure study conducted for this paper is the open circuit of the DC link capacitor.
Hadeed A. Sher +3 more
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A DC-link capacitor minimization method through direct capacitor current control
IEEE Transactions on Industry Applications, 2019 If the converter side dc-link current is made equal to the inverter side dc-link current in a pulsewidth modulation (PWM) converter-inverter system, no current will How through the dc-link capacitor. As a result, no dc-link voltage variation occurs. This
Gu, BG, Nam, K
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Multitimescale Reliability Evaluation of DC-Link Capacitor Banks in Metro Traction Drive System [PDF]
IEEE Transactions on Transportation Electrification, 2020 The reliability of DC-link capacitors in urban rail transit is considered as a major challenge because of significant maintenance impact. In this article, the DC-link capacitor reliability is researched in metro traction drive system.
Bo Yao, Xinglai Ge, Huimin Wang
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Online Capacitance Estimation for the DC Link Capacitor of PWM Inverter
IEEE AccessIn the inverter for driving an electric vehicle, a DC link capacitor is an important component. To ensure the reliability and stability of the inverter, research on a method capable of predicting the capacitor lifespan is becoming important.
Jesuk Park +4 more
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Active DC-link Capacitor Harmonic Current Reduction in Two-Level Back-to-Back Converter [PDF]
IEEE Transactions on Power Electronics, 2015 The paper proposes a method of active switching harmonics current reduction in the DC-link capacitor of a two-level, three-phase, back-to-back converter. Based on the derived analytical solution for switching harmonic currents in the DC-link, it is shown
Lei Shen, Serhiy Bozhko, Greg Asher
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Selection and Application of DC-link Capacitor for Mine-used 2-quadrant Frequency Converter
Gong-kuang zidonghua, 2011 Based on special characteristics of mine-used 2-quadrant frequency converter and analysis and calculation of ripple current and ripple voltage of DC-link capacitor of frequency converter, a simple and easy selection method of DC-link capacitor was ...
ZHUANG De-yu
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Enhanced DC-Link Capacitor Voltage Balancing Control of DC–AC Multilevel Multileg Converters
IEEE Transactions on Industrial Electronics, 2015 This paper presents a capacitor voltage balancing control applicable to any multilevel dc-ac converter formed by a single set of series-connected capacitors implementing the dc link and semiconductor devices, such as the diode-clamped topology.
Sérgio Busquets-Monge +2 more
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TRANSIENT MODELING IN COMMON DC LINK OF POWER CONVERTERS [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2020 Subject of Research. The paper presents a mathematical model of an electric drive convertor operating in a common DC link for the 280-kW power level of the BELAZ-90 mining truck. The model is developed in MATLAB Simulink.
Alecksey S. Anuchin +3 more
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