A hill-climbing thermal problem
Repeated steep-gradient operation placed demands on more than motor output. Toshiba describes lighter equipment and stronger cooling throughout the main circuit, alongside smoother ATC-controlled station approaches.
车型
800 series
| 识别特征 | 纵向前照灯 |
|---|---|
| 编组 | 6 辆编组 |
看圆润车头的两侧,各有一盏纵向排列的头灯。图中是早期型;后期800系的灯罩较圆、较突出。
站在站台上若看不清车头,可查看编组信息:本线的800系有6节车厢,N700系有8节。九州岛内的樱花号和燕子号都可能使用800系,单看列车名称不足以辨认车型。
观察圆润的车头及两侧竖向排列的前灯。早期型灯罩较平直,后期型较圆。若看不清灯罩,可确认编组信息:本线800系有6节车厢,行驶九州新干线的N700系有8节。
列車の設備 · 九州新幹線(8両・6両) · 九州新幹線800系の先頭部デザイン · JR九州800系800系 · 6両 · Documented specification 2004-03 / 2009-09
Power is distributed through all six cars to handle Kyūshū’s gradients. The converter rating uses MVA, an electrical apparent-power unit. It is separate from the motors’ mechanical output in kW.
| Powered formation | 6 powered cars (6M) |
|---|---|
| Design gradient context | 35‰ = 3.5% |
| Power converter rating | 1.25 MVA per converter 2 |
| 牵引控制 | Transformer, converter and traction-motor system supplied by Toshiba |
| Traction converter cooling | Cooling capacity increased for steep-gradient operation 2 |
| 列车防护系统 | Single-stage ATC braking; later extension-build specification also supports the San’yō multi-stage function |
[1] 国内新幹線向け 車両システムと電気品 · 東芝 · 2009-09 · pp. 21–22, Table 3, §§3.1–4, Figure 6
[2] 九州旅客鉄道(株)800系新幹線電車向け主要電気品 · 東芝 · 2004-03 · p. 72, 交通システム
Original 800-series electrical equipment · March 2004
| Equipment ancestry | 700-series main-circuit equipment, adapted for Kyūshū |
|---|---|
| Thermal design scope | Converter, main transformer and traction motors |
| Station-approach control | Single-stage ATC braking from high speed into the station |
Repeated steep-gradient operation placed demands on more than motor output. Toshiba describes lighter equipment and stronger cooling throughout the main circuit, alongside smoother ATC-controlled station approaches.
The 2019 technical guide distinguishes inspection provisions within the later 800 fleet. U008 could carry track-inspection equipment, while U007 and U009 were equipped for electrical, signalling and communications measurement. The set number therefore tells you more than the shared exterior family.
800-0 · U001
请比较纵向灯具与驾驶室车窗周围宽大的深色区域。这些系列特征在两端均可见。区分821型与822型驾驶车时,需要查看车辆编号。
Head-on schematics. Scale is illustrative; lamps shown unlit.
JR九州800系U001編成 · formation · 800系編成表 · independent formation check · U001 · Train-Directory photograph
Travelling as a pair? A typical row on the six-car 800 has a pair of seats on each side of the aisle, in both ordinary reserved and non-reserved accommodation. Check the operator’s chart for individual rows and wheelchair spaces.
| 普通车指定席 | 2 + 2 | |
|---|---|---|
| 普通车自由席 | 2 + 2 |
核查日期 2026-11-07
两张编组图及列车外观照片,分别标明N700系为8节、800系为6节。
圆润的车头、竖向排列的前灯、后期型的差异,以及在九州岛内运行的范围。
早期较为平直的灯罩与后期较圆的灯罩。
车型对照表列出瑞穗号、樱花号、燕子号可使用N700系,樱花号与燕子号也可使用800系。