Results 91 to 100 of about 3,794 (179)

Frequency Scanning-Based Simplified Overvoltage Prediction Method for SiC Inverter-Fed Motor Drives in Electric Vehicles

World Electric Vehicle Journal
Wide-bandgap power devices, particularly silicon carbide (SiC) MOSFETs, have seen widespread adoption in electric vehicle (EV) motor drive systems due to their superior switching characteristics, including high switching speeds and high switching ...
Yipu Xu, Xia Liu, Chengsong Li, Wenjun Chen, Jiatong Deng   +4 more
doaj   +1 more source

Reducing Overvoltage Problems with Active Power Curtailment - Simulation Results

, 2013
High penetration levels of photovoltaic systems on low voltage electricity nets tend to lead to overvoltage problems. Currently, in the residential sector of the Belgian Flanders region, the only way to reduce those problems is by means of completely ...
Vingerhoets, Pieter, G. Deconinck, Deconinck, Geert, Lemkens, K., Geth, Frederik, K. Lemkens, P. Vingerhoets, F. Geth   +7 more
core   +1 more source

Development of a Power Factor Corrected High Current Supercapacitor Charger for a Surge Resistant UPS

, 2012
The Uninterrupted Power Supplies (UPSs) provide short term power back up to electrical loads when the mains power fail. Usually UPSs employ battery packs as the energy storage device.
Zhang, Xu
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Optimization of reactive power in high-voltage AC transmission systems for long-distance offshore wind power using high-voltage shunt adjustable reactor

International Journal of Electrical Power & Energy Systems
High-voltage shunt reactor (HVSR) is essential for the high-voltage AC transmission system of long-distance offshore wind power to achieve in-situ reactive power balancing and to limit industrial frequency overvoltage.
Li Peng, Kanghang He, Longfu Luo, Jingyu Yang   +3 more
doaj   +1 more source

A LV network overvoltage mitigation strategy based on epsilon-decomposition

, 2017
To increase the penetration of distributed renewable energy resources (DRES) in the existing LV network, new control solutions need to be developed. In this paper an algorithm for overvoltage mitigation in LV networks with DRES is proposed.
Nguyen, P.H., Paterakis, N.G., J.F.G Cobben, Viyathukattuva Mohamed Ali, M.M., Cobben, J.F.G., Nguyen, P.H.; id_orcid, M. M. Viyathukattuva Mohamed Ali, P. H. Nguyen, N. G. Paterakis, Paterakis, N.G.; id_orcid   +9 more
core   +1 more source

The Research of Voltage Sag and Power Frequency Overvoltage on 110kV Resistance Grounding System

, 2013
This paper researches the voltage transfer characteristics when one-phase ground fault occurred in the resistance grounding system, by using the theory of the asymmetric variable characteristics and the sequence network analysis of the-11 transformer ...
Guo Zeng, Shan Sun, Yanping Lv, Guangliang Feng   +3 more
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Experimental Research of the Overvoltage in the Insulated Neutral Network

The isolated neutral network isolation resistance is often affected by the lightning discharge surge to the line cables or towers. Several overvoltage waves are maid at the moment of the lightning discharge surge.
Gvozdas, Vitalijus, Valatka, Povilas
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SiC MOSFET turn-off overvoltage measurement

International audienceSelecting the appropriate measurement system is crucial in power electronics. This is especially important during MOSFET's turn-off process, where it is essential to measure the voltage rise and accurately capture the peak ...
Galdeano, Mikel, Elizondo, David, Sanchis, Pablo, Barrios, Ernesto, L   +3 more
core   +1 more source

FAST FREQUENCY MODEL OF OVERVOLTAGE IN ADJUSTABLE SPEED DRIVES: SiC TECHNOLOGY VS. IGBT TECHNOLOGY

, 2018
International audienceThe use of fast semiconductor components such as IGBT and SiC in Adjustable Speed Drives (ASD) increases power density and provides better controllability.
Belinger, Antoine, Malec, David, Taghia, Bouazza, Piquet, Hubert, Carayon, Jean-Pierre   +4 more
core   +1 more source

Análise e previsão dos pulsos de tensão nos terminais dos motores de indução alimentados por inversores de frequência [PDF]

, 2004
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.A análise e a previsão dos pulsos de tensão sobre os terminais dos motores de indução alimentados por inversores de ...
Mello, Hugo Gustavo Gomez
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