When regeneration has nowhere to go
A braking chopper diverts unaccepted regenerative energy to resistors, sustaining electric braking almost to standstill.
地方鐵路
E129 · Niigata · 新潟
Niigata’s E129 succeeded the 115 series. Its design draws on E233 technology, with wider seats and updated passenger information displays.
JR東日本
技術資料
| 電源E129 | DC |
|---|---|
| 公布最高速度E129 | 110 km/h |
| 技術E129 | Based on E233 technology |
M為動力車，T為無動力車。各項數值適用於註明的版本與資料日期。
技術資料
- E129系 · JR東日本 · — · 基本情報・車両紹介
解讀車輛設計
2015 manufacturer specification, not the earlier 2013 planning table.
| Speed categories | Service 110 km/h; design 120 km/h. |
|---|---|
| Motor rating | MT75B induction motor: 140 kW one-hour rating per motor. |
| Distributed traction | Each car has one powered and one unpowered bogie (0.5M). |
| Converter grouping | SC102: two-level IGBT, two independent two-motor groups. |
| Degraded restart | A two-car set can restart on 35‰ with one two-motor group isolated. |
| Drive gearing | TD parallel cardan; 97:16 gear ratio (about 6.06). |
技術資料與頁碼
- 東日本旅客鉄道株式会社E129系一般形直流電車用電機品
東洋電機製造・東洋電機技報131 · 2015-04 · pp.27–31（国立国会図書館保存）
座位指南
- E129 · 新潟
- 長椅與橫排座椅
In the photographed leading car, benches occupy the space between the cab-end and middle doors. Walk past the middle doors toward the coupling to find the mixed seating area.
啟用年份 · 2014
資料來源與更新
查核日期 2026-11-07