The Journal of The Institute of Electrical Engineers of Japan

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Inaugural Address

Toward a Dialogic and Growing Society

—Growth Through Diversity and Broad Collaboration—

Yasushi ONO

2025 Volume 145 Issue 7 Pages 347-352
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.347

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Pictures & Words

Practical Insights for Expanding Next-Generation Thermal and Electric Supply Systems: A Visit to the Toranomon Area

Nanae KANEKO, Sakurako KURAGUCHI, Shieri OKUYAMA

2025 Volume 145 Issue 7 Pages 353-356
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.353

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SPECIAL ISSUE on The Existence of Different Frequencies in the Power System: The Story of the Coexistence of 50 Hz and 60 Hz

Overview: How Frequencies for Eastern and Western Japan Were Decided

Takaharu ISHIDA

2025 Volume 145 Issue 7 Pages 358-361
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.358

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A Power Grid Configuration of Hokkaido in Which There Is an Exclave of 60 Hz in a 50 Hz Area

Takaharu ISHIDA

2025 Volume 145 Issue 7 Pages 362-365
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.362

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Frequency Conversion in the Tokaido Shinkansen

Toshimasa SHIMIZU, Katsuyasu NAKANO

2025 Volume 145 Issue 7 Pages 366-369
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.366

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Denka's Operation of Power Plants and Production Plants That Use Both 50 Hz and 60 Hz Electricity

Yutaka SAITO

2025 Volume 145 Issue 7 Pages 370-373
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.370

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History of the Discussion of the Integration of the Two Power Grid Frequencies

Shigeru BANDO

2025 Volume 145 Issue 7 Pages 374-375
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.374

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Technical Review

Latest Trends in IoT Monitoring Technology for Advanced Maintenance of Substation Equipment

Tomoo OHMORI, Yoshiharu ICHIKAWA

2025 Volume 145 Issue 7 Pages 376-379
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.376

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Coffee Break

Will Electrical Researchers Be Destroyed by AI?

Fujio TSUTSUMI

2025 Volume 145 Issue 7 Pages 380-381
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.380

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Student Page

A Toy Goes to Space? Meet SORA-Q, the World's Smallest Lunar Robot

Kazuma MINE, Hiroyuki TANAKA, Kengo SHIMIZU, Hisayoshi MURAMATSU

2025 Volume 145 Issue 7 Pages 382-385
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.382

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2025 Volume 145 Issue 7 Pages 386
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.386

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2025 Volume 145 Issue 7 Pages 387
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.387

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2025 Volume 145 Issue 7 Pages 389
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.389

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2025 Volume 145 Issue 7 Pages 390-393
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.390

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2025 Volume 145 Issue 7 Pages 394-439
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.394

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2025 Volume 145 Issue 7 Pages 440-441
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.440

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2025 Volume 145 Issue 7 Pages 442-443
Published: July 01, 2025
Released on J-STAGE: July 01, 2025

DOIhttps://doi.org/10.1541/ieejjournal.145.442

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