• 1429 Citations
  • 15 h-Index
19952019
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Fingerprint Dive into the research topics where Eiji Hiraki is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 7 Similar Profiles
Pulse width modulation Engineering & Materials Science
Electric potential Engineering & Materials Science
Capacitors Engineering & Materials Science
Electric commutation Engineering & Materials Science
Zero voltage switching Engineering & Materials Science
Networks (circuits) Engineering & Materials Science
DC-DC converters Engineering & Materials Science
Insulated gate bipolar transistors (IGBT) Engineering & Materials Science

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Research Output 1995 2019

  • 1429 Citations
  • 15 h-Index
  • 173 Conference contribution
  • 94 Article
  • 3 Chapter

Core loss modeling based on equivalent circuit for switched reluctance motors

Kusumi, T., Kobayashi, K., Hara, T., Umetani, K. & Hiraki, E., Feb 1 2019, Proceedings - 2019 IEEE International Conference on Industrial Technology, ICIT 2019. Institute of Electrical and Electronics Engineers Inc., p. 1743-1748 6 p. 8754931. (Proceedings of the IEEE International Conference on Industrial Technology; vol. 2019-February).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Reluctance motors
Equivalent circuits
Magnetic flux
Hysteresis loops
History
1 Citation (Scopus)

Effects of secondary leakage inductance on the LLC resonant converter - Part i: Transformer voltage gain and efficiency

Noah, M., Shirakawa, T., Umetani, K., Imaoka, J., Yamamoto, M. & Hiraki, E., May 24 2019, 34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019. Institute of Electrical and Electronics Engineers Inc., p. 780-786 7 p. 8721980. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2019-March).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inductance
Electric potential
Magnetic cores
Air
1 Citation (Scopus)

Effects of secondary leakage inductance on the LLC resonant converter - Part II: Frequency control bandwidth with respect to load variation

Noah, M., Shirakawa, T., Umetani, K., Imaoka, J., Yamamoto, M. & Hiraki, E., May 24 2019, 34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019. Institute of Electrical and Electronics Engineers Inc., p. 1408-1414 7 p. 8722190. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2019-March).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inductance
Bandwidth
Magnetic cores
Resonant circuits
Electric network topology

Feasibility study of fractal-fin heat sink for improving cooling performance of switching power converters

Ikegami, S., Umetani, K., Hiraki, E., Sakai, S. & Higashino, S., Jan 14 2019, 2018 IEEE International Telecommunications Energy Conference, INTELEC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8612377. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2018-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fins (heat exchange)
Heat sinks
Power converters
Fractals
Cooling

Simple fully analytical copper loss model of litz wire made of strands twisted in multiple levels

Umetani, K., Acero, J., Sarnago, H., Lucia, O. & Hiraki, E., May 24 2019, 34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019. Institute of Electrical and Electronics Engineers Inc., p. 1257-1264 8 p. 8721827. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2019-March).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wire
Copper
Analytical models