Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Dewei David Xu"'
Publikováno v:
2020 IEEE Applied Power Electronics Conference and Exposition (APEC).
This paper establishes mathematical models to analyze uneven current sharing behaviors among paralleled secondary PCB windings and eddy current losses in stacked transformers proposed for high-efficiency LLC resonant converters. Decomposition of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95cf238ee364442fd12bac78129b55c3
https://doi.org/10.1109/apec39645.2020.9124444
https://doi.org/10.1109/apec39645.2020.9124444
Publikováno v:
IEEE Transactions on Power Electronics. 33:8341-8352
Three-level converters typically feature low switching loss and small filter size. In order to realize a high-power-density design for three-level converters, SiC MOSFETs may be selected instead of using Si insulated-gate bipolar transistors. However
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::062ca30038d517a8514d00baccf5a1dd
https://doi.org/10.1109/tpel.2017.2784821
https://doi.org/10.1109/tpel.2017.2784821
Publikováno v:
IEEE Transactions on Power Electronics. 33:110-124
This paper first starts with reviewing several commonly practiced PWM schemes for the three-phase isolated buck matrix-type rectifier. Then, an optimal six-segment PWM scheme (“Type A”) is proposed. The analysis shows “Type A” PWM scheme has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e33a17561c0bf9f46d434c5b0e2b522c
https://doi.org/10.1109/tpel.2017.2661242
https://doi.org/10.1109/tpel.2017.2661242
Publikováno v:
IEEE Transactions on Power Electronics. 33:473-481
Current-source converters (CSCs) used in high-power (megawatt level) medium-voltage (MV) (2.3–6.6 kV) drives require three-phase capacitors to assist the commutation of switching devices and to filter out harmonics of the converter output PWM curre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad93e40a6b6422e089ab5c1090f4a584
https://doi.org/10.1109/tpel.2017.2663779
https://doi.org/10.1109/tpel.2017.2663779
Publikováno v:
IEEE Transactions on Power Electronics. 32:4891-4904
© 2016 IEEE. Common-mode voltages (CMVs) in a motor drive system could damage the motor insulation and induce destructive bearing current, especially at medium-voltage (MV) level. Various reduced CMV space vector modulation (RCMV SVM) methods have b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87520c7e93fde40ecf00e0cf381294e3
https://doi.org/10.1109/tpel.2016.2601143
https://doi.org/10.1109/tpel.2016.2601143
Publikováno v:
IEEE Transactions on Power Electronics. 32:176-185
The device switching frequency of current-source converters (CSCs) in high-power medium-voltage (MV) drive applications is normally around 500 Hz. Conventional space vector modulation (SVM) features fast dynamic response but its output contains low-o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::656f526f0b6925c7f0599659c56c2c22
https://doi.org/10.1109/tpel.2016.2536998
https://doi.org/10.1109/tpel.2016.2536998
Publikováno v:
2019 IEEE Applied Power Electronics Conference and Exposition (APEC).
This paper proposes a low profile transformer structure for high-efficiency and high-output-current LLC resonant converters, named stacked transformer. Besides minimization of termination losses by integrating the synchronous rectifiers (SRs) and out
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f31aa3957a6648610525a8bfeffe71b
https://doi.org/10.1109/apec.2019.8722224
https://doi.org/10.1109/apec.2019.8722224
Publikováno v:
IEEE Transactions on Power Electronics. 31:5321-5329
A simple and cost-effective precharge method for modular multilevel converter (MMC) by using a low-voltage direct current (dc) source is proposed in this paper. The submodule (SM) capacitors in MMC are required to be precharged to their nominal volta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2df62f05a143fcd28e5b9d7d3f8f98e
https://doi.org/10.1109/tpel.2015.2484222
https://doi.org/10.1109/tpel.2015.2484222
Publikováno v:
IEEE Transactions on Power Electronics. 31:2575-2583
A capacitor voltage-balancing method for a nested neutral point clamped (NNPC) inverter is proposed in this paper. The NNPC inverter is a newly developed four-level voltage-source inverter for medium-voltage applications with properties such as opera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e82f9a72bbcd76ebe598b044a2d8ed85
https://doi.org/10.1109/tpel.2015.2438779
https://doi.org/10.1109/tpel.2015.2438779
Publikováno v:
2018 International Power Electronics Conference (IPEC-Niigata 2018 -ECCE Asia).
The zero-voltage switched (ZVS) technique can lower the converter switching loss and increase the conversion efficiency and power density. This paper proposed an improved PWM scheme with ZVS operation for three-phase isolated matrix rectifier. The pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dffa2a288ad306117480eea0cd1abf84
https://doi.org/10.23919/ipec.2018.8507815
https://doi.org/10.23919/ipec.2018.8507815