{
  "edition": "2026-11-07",
  "id": "800",
  "locale": "ne",
  "url": "https://senroam.com/ne/trains/800/",
  "name": "800 श्रेणी",
  "summary": "गोलाकार नाकको छेउमा ठाडो बत्ती खोज्नुहोस्। चित्रले सुरुआती बनोट देखाउँछ। पछिका 800 मा बत्तीको खोल बढी गोलो हुन्छ।",
  "type": "train",
  "questions": [
    {
      "id": "identify-800",
      "question": "800 श्रेणीको अगाडिको भाग मात्र देख्दा के हेर्ने?",
      "answer": "गोलो नाक र दुवै छेउका ठाडा बत्ती हेर्नुहोस्। सुरुका 800 मा बत्तीको खोल सोझो हुन्छ, पछिकामा बढी गोलो। बत्ती नदेखिए संरचनाको बोर्ड जाँच्नुहोस्। यहाँ 800 छ डिब्बाको र क्युशु आउने N700 आठ डिब्बाको हुन्छ।",
      "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": "दुई संरचना चित्र र बाहिरी तस्बिरले आठ डिब्बाको N700 र छ डिब्बाको 800 देखाउँछन्।",
      "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": "गोलो नाक, ठाडा बत्ती, पछिका निर्माणमा भिन्नता र क्युशुभित्र मात्र सञ्चालन।",
      "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": "सुरुका रेलमा सोझो र पछिका रेलमा गोलाकार बत्तीको खोल।",
      "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": "रेल र सेवाको तालिकाले मिजुहो, साकुरा र त्सुबामेका लागि N700 तथा साकुरा र त्सुबामेका लागि 800 देखाउँछ।",
      "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": "प्लेटफर्मबाट नाक नदेखिए रेल संरचनाको बोर्ड हेर्नुहोस्। यो लाइनमा 800 मा छ र क्युशु आउने N700 मा आठ डिब्बा हुन्छन्। क्युशुभित्र चल्ने साकुरा वा त्सुबामेमा 800 हुन सक्छ। सेवाको नामले मात्रै रेलको मोडेल खुल्दैन।",
  "related": [
    "/ne/trains/n700/",
    "/ne/services/sakura/",
    "/ne/services/tsubame/",
    "/ne/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。"
      }
    }
  ]
}