Japanese National Railways began research into AC electrification in the 1950s, and gradually introduced it to local main lines.
In terms of rolling stock technology, control methods had not yet been established, so new technologies were developed and installed in new models.
One of these definitive locomotives was the ED75 series, which appeared in 1963. Deployed primarily in the Tohoku region, it served on the Tohoku Main Line, Joban Line, and Ou Main Line, with Hokkaido and Kyushu versions also appearing.
This book introduces the development history and background to the introduction of the ED75 series, as well as features interviews with existing rolling stock and traces the development of AC electric rolling stock from the perspective of control methods.
■Table of Contents
Chapter 1: The ED75 Series in the History of AC Electric Locomotives
Japanese AC Electric Locomotives from the Perspective of Control Systems
Chapter 2: Overview of the ED75 Series
Profile of the ED75 Series AC Electric Locomotive
Mechanism of the ED75 Series (Bogies / Carbody and Underframe / Main Electrical Equipment for the Main Circuit / Main Electrical Equipment Other Than the Main Circuit / Air Brake Equipment)
Chapter 3: ED75 Series Series
Series Classification and Specification Changes (0 Series / 300 Series / 500 Series / 1000 Series / 700 Series)
Major Design Changes of the 700 Series
Chapter 4: Details of the ED75 Series
ED75 Details of the Type 777 (ED75 Type 777's Appearance / ED75 Type 777 from All Sides / Exterior / Rooftop Equipment / Cab End 1 / Driver's Seat / First Control Box / Cab End 2 / Equipment Room / Bogies and Underfloor Equipment / ED75 in Its Second Transition)
Chapter 5: Overview of the ED79
ED79 Type Modified for the Seikan Tunnel / Major Modifications and Series Differences / ED79 Structure / ED79 Type 50s / Modifications and Operation of the ED79
Chapter 6: SG-Equipped ED76
ED76 Type 0 and 1000s / ED76 Type 500s
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