{
  "edition": "2026-11-07",
  "id": "e1",
  "locale": "id",
  "url": "https://senroam.com/id/trains/e1/",
  "name": "E1 · Jōetsu",
  "summary": "E1 · Jōetsu · Two decks behind the high cab; original blue-grey scheme.",
  "type": "train",
  "questions": [],
  "sources": [
    {
      "url": "https://www.railway-museum.jp/event/pdf/tp_worksheet3.pdf",
      "checked": "2026-11-07",
      "lang": "ja"
    }
  ],
  "detail": "Two decks behind the high cab; original blue-grey scheme.",
  "technical": {
    "record": {
      "scope": [
        "Original E1 · 1994–1997 published specification",
        "登場時のE1系 · 1994〜1997年公表諸元"
      ],
      "rows": [
        [
          "formation",
          "12 cars",
          "12両",
          "hitachi97"
        ],
        [
          "supply",
          "AC 25 kV · 50 Hz",
          "交流25 kV · 50 Hz",
          "hitachi97"
        ],
        [
          "speed",
          "240 km/h",
          "240 km/h",
          "e1launch"
        ],
        [
          "control",
          "VVVF inverter",
          "VVVFインバータ",
          "e1launch"
        ],
        [
          "brakes",
          "Regenerative + electrically commanded air",
          "回生併用電気指令式空気ブレーキ",
          "e1launch"
        ]
      ],
      "note": [
        "The two-level body was designed around commuter capacity. These launch-era figures sit alongside the historical seating description; later interior revisions need their own dates.",
        "全車2階建ては通勤輸送の着席定員を重視した構成。ここでは登場時の諸元を示し、後年の内装変更とは時期を分けて扱う。"
      ]
    },
    "sources": {
      "jr2013": {
        "title": "JR-East Shinkansen",
        "publisher": "JR East · Yagishita",
        "url": "https://www.schienenfahrzeugtagung.at/download/PDF2013/02_Yagishita.pdf",
        "language": "en",
        "date": "2013",
        "locator": "Slide “Features of rolling stock”, comparison table",
        "supports": "E2-1000, six-car E3, E4, E5, E6 formation, train length, body width, per-motor continuous output, electrical supply and signalling as presented in 2013.",
        "checked": "2026-11-07"
      },
      "hitachi97": {
        "title": "新型高速新幹線電車",
        "publisher": "日立製作所 · 日立評論",
        "url": "https://www.hitachihyoron.com/jp/pdf/1997/02/1997_02_02.pdf",
        "language": "ja",
        "date": "1997-02",
        "locator": "Table 1, printed pp.154–155",
        "supports": "Historical E1 supply/formation; original E2 50/60 Hz capability. Early E3 five-car data is excluded from the later six-car profile.",
        "checked": "2026-11-07"
      },
      "e1launch": {
        "title": "全車2階建て新幹線電車",
        "publisher": "日本機械学会 · JR東日本提供",
        "url": "https://www.jsme.or.jp/tldnew/uploads/sites/26/2022/01/NL07.pdf",
        "language": "ja",
        "date": "1994-03",
        "locator": "Article “全車2階建て新幹線電車”",
        "supports": "Original E1 240km/h, VVVF control and regenerative/electrically commanded air braking.",
        "checked": "2026-11-07"
      },
      "e4hitachi": {
        "title": "社会・産業・家庭 · E4系2階建新幹線電車",
        "publisher": "日立製作所 · 日立評論",
        "url": "https://www.hitachihyoron.com/jp/pdf/1999/01/1999_01_06.pdf",
        "language": "ja",
        "date": "1999-01",
        "locator": "交通システム · E4系2階建新幹線電車",
        "supports": "E4 aluminium body, eight cars, IGBT three-level PWM main converter and 1997-12 delivery.",
        "checked": "2026-11-07"
      },
      "e5motor": {
        "title": "JR East – Series E5",
        "publisher": "Hitachi Industrial Products",
        "url": "https://www.hitachi-ip.com/products/traction_motors/casestudy/series_e5.html",
        "language": "en",
        "date": null,
        "locator": "Traction motor specifications",
        "supports": "Hitachi-supplied E5 induction motor, rated 300kW, copper rotor, forced ventilation, 431kg and 696 × 512mm. The dimensions and mass refer to one motor.",
        "checked": "2026-11-07"
      },
      "drive2012": {
        "title": "さまざまなニーズに応える鉄道車両駆動用主回路技術",
        "publisher": "日立製作所 · 日立評論",
        "url": "https://www.hitachihyoron.com/jp/pdf/2012/06/2012_06_04.pdf",
        "language": "ja",
        "date": "2012-06",
        "locator": "§3.1 and Figure 3",
        "supports": "Hitachi E5/E6 main-converter design commonality; IGBT three-level converter/inverter architecture. Applies to Hitachi equipment.",
        "checked": "2026-11-07"
      },
      "e7jtrec": {
        "title": "JR東日本 E7系新幹線電車",
        "publisher": "総合車両製作所",
        "url": "https://www.j-trec.co.jp/company/070/03/jtr03_26-31.pdf",
        "language": "ja",
        "date": "2014-12",
        "locator": "Printed pp.26–31; §2.1.1 and Table 1",
        "supports": "E7 original 12-car 10M2T formation, aluminium double skin, 9.1m nose, 300kW forced-air squirrel-cage motors, 25kV supply, three-level PWM, regenerative/electrically commanded air brakes, DT211/TR7010/TR7010A bogies and DS-ATC/RS-ATC.",
        "checked": "2026-11-07",
        "availability": [
          "Original PDF link returned 404 on 7 November 2026. The bibliographic reference is retained; use the separately cited Kawasaki paper below for newly verified design context.",
          "2026年11月7日の確認では元のPDFリンクが404を返した。書誌情報は保持し、新たに確認した設計上の解説には下段で別途引用する川崎重工の資料を用いる。"
        ]
      },
      "h5launch": {
        "title": "北海道新幹線用車両（H5系）の概要",
        "publisher": "JR北海道",
        "url": "https://www.jrhokkaido.co.jp/press/2014/140416-1.pdf",
        "language": "ja",
        "date": "2014-04-16",
        "locator": "別紙 · 仕様表",
        "supports": "Original H5 ten-car formation, maximum tilt 1.5 degrees, full active suspension, seating pitch. Original capacity is historical.",
        "checked": "2026-11-07"
      },
      "h5guide": {
        "title": "はやぶさ・はやて H5系",
        "publisher": "JR北海道",
        "url": "https://www.jrhokkaido.co.jp/train/shinkansen.html",
        "language": "ja",
        "date": null,
        "locator": "車両概要",
        "supports": "H5 based on E5; ten cars and 320km/h capability. Hokkaido line speeds are qualified separately by operator.",
        "checked": "2026-11-07"
      },
      "west2025": {
        "title": "データで見るJR西日本2025 · 車両",
        "publisher": "JR西日本",
        "url": "https://www.westjr.co.jp/company/info/issue/data/pdf/data2025_15.pdf",
        "language": "ja",
        "date": "2025",
        "locator": "W7系（W編成） vehicle entry",
        "supports": "W7 representative twelve-car formation, 542.1t train mass and 260km/h service speed. Parsed class seat totals are inconsistent and excluded.",
        "checked": "2026-11-07"
      },
      "e8reveal": {
        "title": "JR東日本「E8系」山形新幹線の新型車両公開",
        "publisher": "マイナビニュース",
        "url": "https://news.mynavi.jp/article/20230224-e8/",
        "language": "ja",
        "date": "2023-02-24",
        "locator": "G1 formation and pantograph description",
        "supports": "G1 7-car 5M2T; aluminium body, pantographs on cars 12 and 16; Kawasaki/Hitachi manufacturers.",
        "checked": "2026-11-07"
      },
      "e2guide": {
        "title": "E2系 · JR東日本の列車たち",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/shinkan/e2.html",
        "language": "ja",
        "date": null,
        "locator": "基本情報・車両編成",
        "supports": "Operator series context, operating capability, design features and formation.",
        "checked": "2026-11-07"
      },
      "e3guide": {
        "title": "E3系 · JR東日本の列車たち",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/shinkan/e3.html",
        "language": "ja",
        "date": null,
        "locator": "基本情報・車両編成",
        "supports": "Operator series context, operating capability, design features and formation.",
        "checked": "2026-11-07"
      },
      "e5guide": {
        "title": "E5系 · JR東日本の列車たち",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/shinkan/e5.html",
        "language": "ja",
        "date": null,
        "locator": "基本情報・車両編成",
        "supports": "Operator series context, operating capability, design features and formation.",
        "checked": "2026-11-07"
      },
      "e6guide": {
        "title": "E6系 · JR東日本の列車たち",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/shinkan/e6.html",
        "language": "ja",
        "date": null,
        "locator": "基本情報・車両編成",
        "supports": "Operator series context, operating capability, design features and formation.",
        "checked": "2026-11-07"
      },
      "e7guide": {
        "title": "E7系 · JR東日本の列車たち",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/shinkan/e7.html",
        "language": "ja",
        "date": null,
        "locator": "基本情報・車両編成",
        "supports": "Operator series context, operating capability, design features and formation.",
        "checked": "2026-11-07"
      },
      "e8guide": {
        "title": "E8系 · JR東日本の列車たち",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/shinkan/e8.html",
        "language": "ja",
        "date": null,
        "locator": "基本情報・車両編成",
        "supports": "Operator series context, operating capability, design features and formation.",
        "checked": "2026-11-07"
      }
    }
  },
  "engineering": {
    "record": {
      "scope": {
        "en": "Original E1 structure · 1997 published comparison",
        "ja": "登場時E1系の構造 · 1997年公表の比較表"
      },
      "facts": [
        {
          "label": {
            "en": "Structural material",
            "ja": "構体材料"
          },
          "value": {
            "en": "Steel · every car double-deck",
            "ja": "鋼製 · 全車2階建て"
          },
          "sources": [
            "east:east-1997-design"
          ],
          "locator": "Table 1",
          "page": 2
        },
        {
          "label": {
            "en": "Published mean car mass",
            "ja": "公表の1両平均質量"
          },
          "value": {
            "en": "64 t · historical comparison value",
            "ja": "64 t · 当時の比較表の値"
          },
          "sources": [
            "east:east-1997-design"
          ],
          "locator": "Table 1",
          "page": 2
        }
      ],
      "insights": [
        {
          "title": {
            "en": "Capacity shaped the structure",
            "ja": "輸送力を重視した車体"
          },
          "text": {
            "en": "E1 used a steel double-deck body throughout its twelve-car formation. Its published mean mass belongs to this historical comparison, not an individual car weighing record.",
            "ja": "12両すべてを鋼製の2階建て車体とした。平均質量は当時の比較値であり、特定の1両を実測した値ではない。"
          },
          "sources": [
            "east:east-1997-design"
          ],
          "locator": "Table 1",
          "page": 2
        }
      ],
      "gaps": [
        "E1-specific motor rating, bogie and semiconductor variants remain unverified in an accessible original."
      ]
    },
    "sources": {
      "east:east-1997-design": {
        "title": "新型高速新幹線電車",
        "publisher": "日立評論",
        "url": "https://www.hitachihyoron.com/jp/pdf/1997/02/1997_02_02.pdf",
        "date": "1997-02",
        "language": "ja",
        "locator": "pp.153–156; Tables 1–2; Figures 3–4",
        "checked": "2026-11-07"
      }
    },
    "checked": "2026-11-07"
  },
  "literature": []
}