Výsledky vyhledávání - "Katsuhiko Harada"

Interictal High Gamma Oscillation Regularity as a Marker for Presurgical Epileptogenic Zone Localization

Autor: Yosuke Sato, Yoshihito Tsuji, Madoka Yamazaki, Yoshihisa Fujii, Atsushi Shirasawa, Katsuhiko Harada, Tohru Mizutani

Publikováno v: Operative Neurosurgery. 23:164-173

To ensure that epilepsy surgery is effective, accurate presurgical localization of the epileptogenic zone is essential. Our previous reports demonstrated that interictal high gamma oscillation (30-70 Hz) regularity (GOR) on intracranial electroenceph

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c75e6b86c9e36919509811b0f9f4bd80
https://doi.org/10.1227/ons.0000000000000245

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Dynamic Performance Analysis of Long-distance Power Transmission System with DC Superconducting Cable from Large Photovoltaic Generation

Autor: Katsuhiko Harada, Ahmed Al-Durra, Junichi Arai, Kohei Higashikawa, Hisatoshi Ikeda, Jun Matsushima, Noureddine Harid, Tadashi Koshizuka

Publikováno v: IEEE Transactions on Applied Superconductivity. 29:1-5

This paper proposes a new long-distance power transmission system with superconducting cable from large-scale photovoltaic (PV) power generation along with the dynamic performance analysis. The advantage of the proposed system is the reduction in the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66a2a66ca2d4ba18da637bda9b05be75
https://doi.org/10.1109/tasc.2019.2903390

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ＥＤＬＣ充電用並列モニタ回路の一構成法

Autor: Katsuhiko Harada, Tamotsu Ninomiya, Takerou Mizoguchi

Publikováno v: IEEJ Transactions on Industry Applications. 130:505-511

Electric double layer capacitors (EDLC) having very large capacitance have attracted attention as energy storage devices. The voltage rating of an EDLC is in the low range of approximately 2.3 to 3.0V. Hence, the use of EDLCs in power electronics req

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5e97baf5c6f241ebe2f9a16d9491daa
https://doi.org/10.1541/ieejias.130.505

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Consideration of uncertainty for current measurement and development of test data generator for TRV measurment

Autor: Tetsuya Nakamoto, Hisatoshi Ikeda, Koji Ibuki, Katsuhiko Harada, Eiichi Haginomori, Tadashi Koshizuka

Publikováno v: 2015 3rd International Conference on Electric Power Equipment – Switching Technology (ICEPE-ST).

The uncertainty in the measurement at the high power testing was discussed. The uncertainty of current measurement was analyzed in detail. The test data generator for the transient recovery voltage was developed. Two processes are essential in the hi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cbe73468d11e744ceff2e83ac2d2b6a4
https://doi.org/10.1109/icepe-st.2015.7368425

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Investigation of DC corona discharge properties using UHF method

Autor: S. Ohtsuka, Y. Okura, Braham Barkat, Noureddine Harid, Katsuhiko Harada, N. Al Sayari, T Sonoda, F. A. Nugraha

Publikováno v: 2015 International Conference on Electrical Engineering and Informatics (ICEEI).

Partial Discharge (PD) measurement is well known as powerful method to identify the condition of high-voltage insulation. This paper investigates the properties of the ultra-high frequency (UHF) electromagnetic (EM) wave emanating from the air discha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::660138d090758f25a1e39c113a2cf1fb
https://doi.org/10.1109/iceei.2015.7352490

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Application of Electric Double Layer Capacitor to Single-Phase Composite PWM Voltage Source Inverter

Autor: Katsuhiko Harada, Sakutaro Nonaka

Publikováno v: IEEJ Transactions on Industry Applications. 126:821-826

This paper proposes an application of electric double layer capacitor (EDLC) to single-phase composite PWM voltage source inverter (VSI). The VSI consist of the normal single-phase bridge circuit and an additional arm. The two auxiliary self-turn-off

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bdd3a9102ffec175ecf0866a0ce04472
https://doi.org/10.1541/ieejias.126.821

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