{ "edition": "2026-11-07", "id": "800", "locale": "en", "url": "https://senroam.com/en/trains/800/", "name": "800 series", "summary": "Look for the upright lamp on the cheek of the rounded nose. The plate shows the early design. Later 800s have more rounded lamp housings.", "type": "train", "questions": [ { "id": "identify-800", "question": "What should I look for on an 800 series if I can see only the front of the train?", "answer": "Look for a rounded nose and upright lamps on either side. Early 800s have straighter lamp housings, later ones more rounded housings. If the lamps are hidden, check the formation display. Here an 800 has six cars and the Kyūshū-serving N700 has eight.", "sources": [ "https://www.jrkyushu.co.jp/train/kids/guardian/train_equipment/", "https://trafficnews.jp/post/660934", "https://railway-catalog.com/01/0101800.html" ] } ], "sources": [ { "title": "列車の設備 · 九州新幹線（8両・6両）", "publisher": "JR Kyushu", "url": "https://www.jrkyushu.co.jp/train/kids/guardian/train_equipment/", "lang": "ja", "support": "Two formation diagrams and exterior photos identify the eight-car N700 and six-car 800.", "supportJa": "N700系と800系の編成両数、編成図、先頭部の写真。", "checked": "2026-11-07" }, { "title": "九州新幹線800系の先頭部デザイン", "publisher": "乗りものニュース", "url": "https://trafficnews.jp/post/660934", "lang": "ja", "support": "Rounded nose, upright headlights, differences on later builds and Kyushu-only operation.", "supportJa": "先頭部の丸み、前照灯の縦配置、増備車の変更、九州新幹線内の運用。", "checked": "2026-11-07" }, { "title": "JR九州800系", "publisher": "鉄道車両カタログ", "url": "https://railway-catalog.com/01/0101800.html", "lang": "ja", "support": "Straight early lamp treatment and later rounded housings.", "supportJa": "前期形と後期形で異なる灯具形状。", "checked": "2026-11-07", "date": "2026-03-24" }, { "title": "Oversized Baggage · Available trains", "publisher": "JR Kyushu", "url": "https://www.jrkyushu.co.jp/english/guide/oversized_baggage.html", "lang": "en", "support": "Vehicle/service table lists N700 for Mizuho, Sakura and Tsubame, and 800 for Sakura and Tsubame.", "supportJa": "車種別の対象列車一覧。N700系は3列車、800系は「さくら」「つばめ」。", "checked": "2026-11-07" } ], "detail": "If the platform angle hides the nose, check the formation display: the 800 runs in six-car sets on this line, while the Kyūshū-serving N700 has eight. The 800 can work Sakura or Tsubame wholly within Kyūshū. The service name alone cannot identify the vehicle.", "related": [ "/en/trains/n700/", "/en/services/sakura/", "/en/services/tsubame/", "/en/operators/jr-kyushu/" ], "technical": { "record": { "variant": "800系 · 6両", "as_of": "2004-03 / 2009-09", "facts": [ { "field": "formation", "en": "6 powered cars (6M)", "ja": "全6両が電動車（6M）", "source": "toshiba2009", "scope": "6-car formation", "value": 6, "unit": "powered cars" }, { "field": "grade", "en": "35‰ = 3.5%", "ja": "35‰ = 3.5%", "source": "toshiba2009", "scope": "Kyushu design requirement", "value": 35, "unit": "‰" }, { "field": "converter", "en": "1.25 MVA per converter", "ja": "電力変換装置1台あたり1.25 MVA", "source": "toshiba2004", "scope": "converter apparent-power rating", "value": 1.25, "unit": "MVA" }, { "field": "control", "en": "Transformer, converter and traction-motor system supplied by Toshiba", "ja": "東芝が主変圧器・主変換装置・主電動機を一括納入", "source": "toshiba2009", "scope": "equipment supply", "value": null, "unit": null }, { "field": "cooling", "en": "Cooling capacity increased for steep-gradient operation", "ja": "急勾配走行に合わせて冷却能力を強化", "source": "toshiba2004", "scope": "original main-circuit design", "value": null, "unit": null }, { "field": "protection", "en": "Single-stage ATC braking; later extension-build specification also supports the San’yō multi-stage function", "ja": "1段ブレーキ制御のATC。延伸開業向け増備車は山陽区間の多段機能も装備", "source": "toshiba2009", "scope": "specification described in 2009", "value": null, "unit": null } ] }, "sources": { "toshiba2009": { "title": "国内新幹線向け 車両システムと電気品", "publisher": "東芝", "url": "https://www.global.toshiba/content/dam/toshiba/migration/corp/techReviewAssets/tech/review/2009/09/64_09pdf/a06.pdf", "language": "ja", "date": "2009-09", "locator": "pp. 21–22, Table 3, §§3.1–4, Figure 6", "checked": "2026-11-07" }, "toshiba2004": { "title": "九州旅客鉄道（株）800系新幹線電車向け主要電気品", "publisher": "東芝", "url": "https://www.global.toshiba/content/dam/toshiba/migration/corp/techReviewAssets/tech/review/2004/03/59_03pdf/08.pdf", "language": "ja", "date": "2004-03", "locator": "p. 72, 交通システム", "checked": "2026-11-07" }, "kamome2022": { "title": "N700S「かもめ」と西九州新幹線", "publisher": "九州旅客鉄道株式会社", "url": "https://www.aluminum.or.jp/railway_vehicle/meeting/19/files/19_04.pdf", "language": "ja", "date": "2022-07-14", "locator": "slides 6–8 and 18, formation, comparison, performance and drive system", "checked": "2026-11-07" }, "orange2018": { "title": "一般車両", "publisher": "肥薩おれんじ鉄道", "url": "https://www.hs-orange.com/page87.html", "language": "ja", "date": "2018-03-15", "locator": "HSOR-100A / HSOR-150A 諸元表", "checked": "2026-11-07" } } }, "engineering": { "record": { "scope": { "en": "Original 800-series electrical equipment · March 2004", "ja": "登場時800系の電気品 · 2004年3月" }, "facts": [ { "label": { "en": "Equipment ancestry", "ja": "主回路機器の設計基盤" }, "value": { "en": "700-series main-circuit equipment, adapted for Kyūshū", "ja": "700系主回路機器を九州向けに変更" }, "sources": [ "west:west-800" ], "page": 15 }, { "label": { "en": "Thermal design scope", "ja": "冷却強化の対象" }, "value": { "en": "Converter, main transformer and traction motors", "ja": "電力変換装置・主変圧器・主電動機" }, "sources": [ "west:west-800" ], "page": 15 }, { "label": { "en": "Station-approach control", "ja": "駅進入時の制御" }, "value": { "en": "Single-stage ATC braking from high speed into the station", "ja": "高速から駅進入まで1段のATCブレーキ制御" }, "sources": [ "west:west-800" ], "page": 15 } ], "insights": [ { "title": { "en": "A hill-climbing thermal problem", "ja": "勾配に応える熱設計" }, "text": { "en": "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.", "ja": "急勾配走行では出力だけでなく、機器の発熱にも対応が必要になる。東芝の説明は主回路全体の軽量化と冷却強化に加え、ATCによる滑らかな駅進入にも触れている。" }, "sources": [ "west:west-800" ], "page": 15 } ], "gaps": [ "Exact motor model/rating was not verified in the consulted primary excerpt; do not infer it from 700-series ancestry." ] }, "sources": { "west:west-800": { "title": "九州旅客鉄道（株）800系新幹線電車向け主要電気品", "publisher": "東芝レビュー", "url": "https://www.global.toshiba/content/dam/toshiba/migration/corp/techReviewAssets/tech/review/2004/03/59_03pdf/08.pdf", "date": "2004-03", "language": "ja", "locator": "Printed p. 72; physical PDF sheet 15", "checked": "2026-11-07" } }, "checked": "2026-11-07" }, "literature": [ { "source": { "title": "N700S・ALFA-X 最新新幹線技術のすべて", "author": "三栄書房", "publisher": "三栄書房", "date": "2019-02-02", "language": "ja", "url": "https://www.magastore.jp/product/52348?mode=ln" }, "locator": "p. 14", "question": { "en": "Can an 800 do inspection work as well?", "ja": "800系にも検測の機能がある？" }, "answer": { "en": "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.", "ja": "2019年の技術誌では、新800系の検測機能の違いを紹介している。U008編成は軌道検測装置を搭載可能、U007・U009編成は電力・信号・通信の測定に対応する。共通の外観だけでなく編成番号も手がかりになる。" } } ] }