新干线
Compact silver cab; original Komachi colour scheme.
E3 · six-car Akita configuration in the 2013 comparison
The six-car configuration describes the Akita design. Seven-car Yamagata sets and later conversions require separate specifications. The two supply voltages allow the train to cross between Shinkansen and converted conventional routes.
| 编组·辆数 / M / T | 6 · 4M2T |
|---|---|
| 编组长度 | 128 m |
| 车体宽度 | 2,945 mm |
| 单台电动机功率 | 300 kW · continuous |
| 供电制式 | AC 25 / 20 kV · 50 Hz |
| 列车防护系统 | DS-ATC · ATS-P |
M为动车，T为拖车。数值以一组列车为单位。
E3 pantograph development and Yamagata ride-control context
| Pantograph | PS206 · low-noise single-arm design |
|---|---|
| Manufacturer milestone | 1997: first application of Toyo’s low-noise Shinkansen single-arm design |
| Active lateral suspension | End cars in the E3 configuration compared by JR East 2 |
JR East identifies the leading and trailing cars as particularly exposed to lateral sway. Its E8 comparison describes active control at the E3 ends, then an expansion to every E8 car. This is a scoped Yamagata comparison, not every historical E3 variant.
Toyo’s history identifies the E3 PS206 as the first application of its low-noise Shinkansen single-arm design. It marks an engineering change in current collection, not just a different outline.
The guide identifies the PS206 single-arm pantograph with the E3. Its compact low-noise design is part of the explanation for fitting a high-speed train within the smaller conventional-line loading envelope. A roof view can reveal a distinction hidden in a nose photograph.
三栄書房 · N700S・ALFA-X 最新新幹線技術のすべて · 三栄書房, 2019-02-02 · p. 40, “パンタグラフ”
These rows describe the seven-car Yamagata Tsubasa formation. An older photograph marked Komachi may show a different formation.
| 绿色车厢 | Car 11 | 2 + 2 |
|---|---|---|
| 普通车厢 | Car 12 | 2 + 2 |
Seat plans and sources · のぞみ新幹線ナビNEWS · E3系つばさ
核查日期 2026-11-07