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.
車型
800 series
| 辨識特徵 | 直立式頭燈 |
|---|---|
| 編組 | 6 輛編組 |
看圓潤車頭的兩側,各有一盞縱向排列的頭燈。圖中是早期型;後期800系的燈罩較圓、較突出。
站在月台上若看不清車頭,可查看編組資訊:本線的800系有6節車廂,N700系有8節。九州島內的櫻花號和燕子號都可能使用800系,單看列車名稱不足以辨認車型。
觀察圓潤的車頭及兩側直立的頭燈。早期型燈罩較平直,後期型較圓。若看不清燈罩,可確認編組資訊:本線800系有6節車廂,行駛九州新幹線的N700系有8節。
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 |
| 牽引控制 | Transformer, converter and traction-motor system supplied by Toshiba |
| Traction converter cooling | Cooling capacity increased for steep-gradient operation 2 |
| 列車防護系統 | 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
請比較縱向燈具與駕駛室車窗周圍寬大的深色區域。這些系列特徵在兩端均可見。區分821型與822型駕駛車時,需要查看車輛編號。
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.
| 普通車指定席 | 2 + 2 | |
|---|---|---|
| 普通車自由席 | 2 + 2 |
查核日期 2026-11-07
兩張編組圖及列車外觀照片,分別標明N700系為8節、800系為6節。
圓潤的車頭、直立的頭燈、後期型的差異,以及在九州島內運行的範圍。
早期較為平直的燈罩與後期較圓的燈罩。
車型對照表列出瑞穗號、櫻花號、燕子號可使用N700系,櫻花號與燕子號也可使用800系。