Search Results - "Fujita, Shigeto"

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  1. 1
    Simulation Study on Insulated Gate Bipolar Transistor Turn-Off Oscillations

    Simulation Study on Insulated Gate Bipolar Transistor Turn-Off Oscillations by Fujita, Shigeto

    Published in Japanese Journal of Applied Physics (01-05-2012)
    “…High-frequency voltage oscillation is occasionally observed in insulated gate bipolar transistors during a turn-off operation. The turn-off oscillation…”
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  2. 2
    Simulation Study on Insulated Gate Bipolar Transistor Turn-Off Oscillations

    Simulation Study on Insulated Gate Bipolar Transistor Turn-Off Oscillations by Fujita, Shigeto

    Published in Japanese Journal of Applied Physics (01-05-2012)
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  3. 3
    Influence of VFT on Shell-Type Transformer

    Influence of VFT on Shell-Type Transformer by Fujita, S., Shibuya, Y., Ishii, M.

    Published in IEEE transactions on power delivery (01-01-2007)
    “…When a disconnecting switch in a gas insulated switchgear (GIS) operates, a high frequency oscillating surge called very fast transient (VFT) is generated. The…”
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  4. 4
    Investigation on IGBT High-Frequency Plasma Extraction Transient Time Oscillation

    Investigation on IGBT High-Frequency Plasma Extraction Transient Time Oscillation by Fujita, S., Hussein, K.H., Kitamura, S., Yamaguchi, T.

    Published in IEEE transactions on power electronics (01-06-2009)
    “…High-frequency voltage oscillations occasionally appear between insulated gate bipolar transistor's (IGBTpsilas) collector and emitter terminals during…”
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  5. 5
    High frequency model of transformer winding

    High frequency model of transformer winding by Shibuya, Yoshikazu, Fujita, Shigeto

    Published in Electrical engineering in Japan (01-02-2004)
    “…A high frequency model of transformer winding is used to analyze the voltage oscillations due to various excitations such as the very fast transient…”
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  6. 6
    Analysis of transient surge transmission characteristics of electronic circuits due to arc discharge generated with disconnector on/off in GIS

    Analysis of transient surge transmission characteristics of electronic circuits due to arc discharge generated with disconnector on/off in GIS by Saito, Seiichi, Shimomura, Tetsuro, Fujita, Shigeto, Niita, Shuichi

    Published in Electrical engineering in Japan (15-11-2004)
    “…In gas‐insulated switchgear (GIS), the arc discharge due to a disconnector on/off generates fast transient surges, which can be the cause of malfunction and…”
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  7. 7
    High-frequency voltage oscillation in transformer windings and electrical breakdown properties of interturn insulation immersed in oil at VFT voltage

    High-frequency voltage oscillation in transformer windings and electrical breakdown properties of interturn insulation immersed in oil at VFT voltage by Nakanishi, Koichiro, Fujita, Shigeto, Kurita, Hiroshi, Kishi, Akio, Hasegawa, Taketoshi, Shibuya, Yoshikazu

    Published in Electrical engineering in Japan (01-09-2000)
    “…Switching operations in gas insulated switchgear (GIS) can generate very fast transient overvoltages (VFTO) which propagate in the GIS with little attenuation…”
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