A mountain-route design
The Hokuriku route combines steep gradients with power-frequency changes. Kawasaki treats traction, braking and dual-frequency equipment as linked route requirements.
ရှင်ကန်ဆန်
車体外観
E7 နှင့် W7 တို့၏ အပြင်ပိုင်းဒီဇိုင်းသည် တူညီသည်။ ပြေးဆွဲသူအမည် သို့မဟုတ် ယာဉ်နံပါတ်ကို ကြည့်ပါ။
နှိုင်းယှဉ်ရန် · W7 · Hokuriku
JR西日本 · E7系・W7系Blue crown, ivory body and copper-coloured belt.
E7 · original 2014 technical specification
The 2014 table distinguishes 260 km/h operation at introduction from 275 km/h vehicle performance. JR East now lists 275 km/h; permitted speed still depends on the route.
| Formation · cars / M / T | 12 cars · 10M2T |
|---|---|
| Body construction | Aluminium double skin |
| Nose length | 9.1 m |
| Supply frequency | 50 / 60 Hz |
| Traction control | Three-level PWM inverter |
| Output per motor | 300 kW · rated |
| Motor construction | Three-phase squirrel-cage induction |
| Motor cooling | Forced air |
| Electrical supply | AC 25 kV · 50 / 60 Hz |
| Braking | Regenerative + electrically commanded air |
| Bogie types | DT211 · TR7010 / TR7010A |
| Train protection | DS-ATC · RS-ATC |
M = powered car; T = unpowered car. Figures describe one set.
E7 · joint E7/W7 engineering account, 2016
| Traction-unit organisation | Five units: 3 + 2 + 2 + 2 + 3 cars |
|---|---|
| Gradient capability | Traction and braking designed for 30‰ gradients |
The Hokuriku route combines steep gradients with power-frequency changes. Kawasaki treats traction, braking and dual-frequency equipment as linked route requirements.
The original E7/W7 description gives 10M2T: ten powered intermediate cars and two unpowered driving cars. The guide lists forty 300 kW traction motors. That makes the individual motor rating and the complete train’s installed output two different numbers.
The builder gives row spacing of 1,040 mm in Ordinary, 1,160 mm in Green and 1,300 mm in GranClass for the original E7. These are distances between corresponding points on successive rows.
| ရိုးရိုးတွဲ | Car 2 | 3 + 2 |
|---|---|---|
| Green Car | Car 11 | 2 + 2 |
| GranClass | Car 12 | 1 + 2 |
Seat plans and sources · JR東日本 · E7 · 総合車両製作所技報 第3号 · p.26 §2.1.2 · JR東日本 · GranClass
ရှင်ကန်ဆန် ရထားခေါင်းပုံများ နှိုင်းယှဉ်ရန်
စစ်ဆေးခဲ့သည့်ရက် 2026-11-07