Publication


Featured researches published by Nobuyoshi Nagagata.


power electronics specialists conference | 1999

ZVS-PWM full-bridge converter using active current clamping with synchronous rectifiers

Koji Yoshida; Nobuyoshi Nagagata; Takuya Ishii; Hiroyuki Handa

A ZVS-PWM full-bridge power converter using active current clamping with synchronous rectifiers is presented. A high performance DC/DC converter can be constructed using the proposed topology because of ZVS-PWM operation and convenience of utilizing synchronous rectifiers. In experiments, a high efficiency of 88% including 2.5% of improvement is achieved and the low noise characteristic is verified in a 400 W DC/DC power converter with 10 V output for high power density board-mounted power modules.


Archive | 1999

Voltage measuring instrument with flying capacitor

Takeshi Shimamoto; Nobuyoshi Nagagata


Archive | 2002

Multiple-output dc-dc converter

Takuya Ishii; Nobuyoshi Nagagata; Hiroshi Saito


Archive | 1993

Switching power supply without switching induced spike voltages

Koji Yoshida; Nobuyoshi Nagagata; Takuya Ishii


Archive | 1993

SWITCHING POWER SOURCE DEVICE

Koji Yoshida; Nobuyoshi Nagagata; Ishii Takuya


Archive | 1993

Regenerative control type switching power source device

Koji Yoshida; Nobuyoshi Nagagata; Takuya Ishii


Archive | 2002

Multiple output DC-DC converter for providing controlled voltages

Takuya Ishii; Nobuyoshi Nagagata; Hiroshi Saito


Archive | 2003

Semiconductor device and sustaining circuit

Makoto Kitabatake; Kazuhiko Asada; Hidekazu Yamashita; Nobuyoshi Nagagata; Kazuhiro Nobori; Hideki Omori; Masanori Ogawa


Archive | 2005

Sustaining circuit with bi-directional device

Makoto Kitabatake; Kazuhiko Asada; Hidekazu Yamashita; Nobuyoshi Nagagata; Kazuhiro Nobori; Hideki Omori; Masanori Ogawa


Archive | 2003

Stacked semiconductor transistors

Makoto Kitabatake; Kazuhiko Asada; Hidekazu Yamashita; Nobuyoshi Nagagata; Kazuhiro Nobori; Hideki Omori; Masanori Ogawa

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