Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Toru Sai"'
Publikováno v:
Sensors, Vol 22, Iss 24, p 9893 (2022)
The step-up DC–DC converter is widely used for applications such as IoT sensor nodes, energy harvesting, and photovoltaic (PV) systems. In this article, a new topological quasi-Z-source (QZ) high step-up DC–DC converter for the PV system is propo
Externí odkaz:
https://doaj.org/article/e10cd8719ba7497abe30f5efcd9d3cea
Autor:
Koutaro Miyazaki, Takayasu Sakurai, Takamiya Makoto, Tomoyuki Mannen, Keiji Wada, Toru Sai, Yu Shan Cheng, Daiki Yamaguchi
Publikováno v:
IEEE Transactions on Industrial Electronics. 69:5185-5194
Digital active gate driving has been shown to effectively manage the switching performance for power devices with the adjustable driving waveforms. However, most of the studies are based on a dedicated test circuit rather than a practical inverter wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8439451118615f64a755bd2877f4342e
https://doi.org/10.1109/tie.2021.3084169
https://doi.org/10.1109/tie.2021.3084169
Autor:
Hidemine Obara, Toru Sai, Takayasu Sakurai, Daiki Yamaguchi, Yu Shan Cheng, Makoto Takamiya, Keiji Wada, Tomoyuki Mannen
Publikováno v:
IEEE Transactions on Industry Applications. 58:481-493
This paper proposes a new optimization method and its platform for automatically adjusting the control parameters of a digital active gate driver using a PWM inverter. The proposed optimization method applies the searching parameters for only any dur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fda8daf3e875d5c21c75f1bb32151c9
https://doi.org/10.1109/tia.2021.3124864
https://doi.org/10.1109/tia.2021.3124864
Two Stop-and-Go Gate Driving to Reduce Switching Loss and Switching Noise in Automotive IGBT Modules
Publikováno v:
2022 IEEE 7th Southern Power Electronics Conference (SPEC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9c46d874e1e293876c1956b0a62558c
https://doi.org/10.1109/spec55080.2022.10058383
https://doi.org/10.1109/spec55080.2022.10058383
Publikováno v:
IEEE Transactions on Power Electronics. 36:9273-9284
For 48 V mild hybrid vehicles, a sub-0.5 W, 48 V-to-5 V dc–dc converter fulfilling: 1) high efficiency with small volume; 2) constant switching frequency of less than 500 kHz to avoid the frequency band of AM radio; and 3) constant output voltage (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dfb9432aa7bf3b45a9077ad202cf29b
https://doi.org/10.1109/tpel.2021.3058207
https://doi.org/10.1109/tpel.2021.3058207
Publikováno v:
IEEJ Journal of Industry Applications. 9:271-281
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d4bd641af30b3ec4949d08f618e1845
https://doi.org/10.1541/ieejjia.9.271
https://doi.org/10.1541/ieejjia.9.271
Autor:
Makoto Takamiya, Yoshitaka Yamauchi, Ryunosuke Katada, Katsuhiro Hata, Ryuzo Morikawa, Ting-Wei Wang, Cheng-Hsuan Wu, Toru Sai, Po-Hung Chen
Publikováno v:
2021 IEEE Energy Conversion Congress and Exposition (ECCE).
In this paper, a problem of huge voltage overshoots (V OVERSHOOT ) of VDS in GaN FETs, which rarely happens during an automatic search of optimum gate driving parameters in a digital gate driving (DGD), is clarified for the first time, and a solution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9dd6e01c68605c4350d67c7357a247f7
https://doi.org/10.1109/ecce47101.2021.9595264
https://doi.org/10.1109/ecce47101.2021.9595264
Autor:
Ting-Wei Wang, Toru Sai, Makoto Takamiya, Ryunosuke Katada, Cheng-Hsuan Wu, Katsuhiro Hata, Yoshitaka Yamauchi, Po-Hung Chen, Ryuzo Morikawa
Publikováno v:
2021 33rd International Symposium on Power Semiconductor Devices and ICs (ISPSD).
A digital gate driver (DGD) is an important technology to reduce both switching loss and voltage and/or current overshoot. In this paper, a 5 V, 300 MSa/s, 6-bit DGD IC, where the gate current is varied in 64 levels for each of 16 3.3-ns time interva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a967017e5d395c63560a1c73c7fcffb
https://doi.org/10.23919/ispsd50666.2021.9452225
https://doi.org/10.23919/ispsd50666.2021.9452225
Publikováno v:
2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia).
A new gate driving technique using a digital gate driver IC is proposed to reduce both conductive EMI in user-defined specific frequency band and the switching loss in IGBTs to achieve a highly efficient power converter complying with EMI regulations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db9238022de7d1012aef4476255af4dd
https://doi.org/10.1109/ipemc-ecceasia48364.2020.9367741
https://doi.org/10.1109/ipemc-ecceasia48364.2020.9367741
Autor:
Takayasu Sakurai, Daiki Yamaguchi, Tomoyuki Mannen, Makoto Takamiya, Keiji Wada, Hidemine Obara, Toru Sai, Yu Shan Cheng
Publikováno v:
2020 IEEE Energy Conversion Congress and Exposition (ECCE).
This paper proposes a new gate control method for the digital active gate drivers, which are installed in a three-phase PWM inverter. The proposed method changes the control parameters of the digital active gate driver according to the instantaneous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2607463bba6e9a313a57a0c5ade4ad90
https://doi.org/10.1109/ecce44975.2020.9235772
https://doi.org/10.1109/ecce44975.2020.9235772