{
  "edition": "2026-11-07",
  "id": "jre-e129",
  "locale": "fil",
  "url": "https://senroam.com/fil/trains/jre-e129/",
  "name": "E129 · Niigata · 新潟",
  "summary": "E129 · Niigata · 新潟 · Niigata’s E129 succeeded the 115 series. Its design draws on E233 technology, with wider seats and updated passenger information displays.",
  "type": "train",
  "questions": [],
  "sources": [
    {
      "url": "https://www.jreast.co.jp/train/local/e129.html",
      "checked": "2026-11-07",
      "lang": "ja"
    }
  ],
  "detail": "Niigata’s E129 succeeded the 115 series. Its design draws on E233 technology, with wider seats and updated passenger information displays.",
  "technical": {
    "record": [
      [
        "E129",
        5,
        "DC",
        "e129"
      ],
      [
        "E129",
        9,
        "110 km/h",
        "e129"
      ],
      [
        "E129",
        13,
        [
          "Based on E233 technology",
          "E233系の技術をベース"
        ],
        "e129"
      ]
    ],
    "sources": [
      {
        "id": "813",
        "title": "813系電車ロングシート化します",
        "publisher": "JR九州",
        "url": "https://www.jrkyushu.co.jp/news/__icsFiles/afieldfile/2023/11/30/231130_813_long-seat.pdf",
        "source_language": "ja",
        "effective_date": "2023-11-30",
        "locator": "§1",
        "supports": "Converted three-car set; 120 longitudinal and 28 box seats.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "815",
        "title": "社会・産業・家庭",
        "publisher": "日立評論",
        "url": "https://www.hitachihyoron.com/jp/pdf/2000/01/2000_01_06.pdf",
        "source_language": "ja",
        "effective_date": "2000-01",
        "locator": "九州旅客鉄道株式会社納め815系電車",
        "supports": "A-train, FSW aluminium double-skin body, IGBT equipment; delivered June–September 1999.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "817",
        "title": "最近の鉄道車両 A-train",
        "publisher": "日立評論",
        "url": "https://www.hitachihyoron.com/jp/pdf/2003/08/2003_08_02.pdf",
        "source_language": "ja",
        "effective_date": "2003-08",
        "locator": "Opening figure, 817系電車",
        "supports": "817 belongs to the A-train aluminium vehicle system.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "821",
        "title": "第8回グリーンボンド レポーティング",
        "publisher": "JR九州",
        "url": "https://www.jrkyushu.co.jp/company/ir/library/greenbond/pdf/241218_8th_greenbond_reporting_jp.pdf",
        "source_language": "ja",
        "effective_date": "2024-03-31",
        "locator": "821系車両新製",
        "supports": "SiC main circuit; March 2019 service entry Kokura–Arao.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "701",
        "title": "701系",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/local/701.html",
        "source_language": "ja",
        "effective_date": null,
        "locator": "車両紹介",
        "supports": "AC train; standard-gauge variants for mini-Shinkansen corridors.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "e127",
        "title": "E127系",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/local/e127.html",
        "source_language": "ja",
        "effective_date": null,
        "locator": "車両紹介",
        "supports": "Two-car minimum; three doors per side; semi-automatic door operation.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "e129",
        "title": "E129系",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/local/e129.html",
        "source_language": "ja",
        "effective_date": null,
        "locator": "基本情報・車両紹介",
        "supports": "DC; 110 km/h; E233 technology.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "e131",
        "title": "相模線E131系車両の概要",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/press/2021/yokohama/20210917_y1.pdf",
        "source_language": "ja",
        "effective_date": "2021-09-17",
        "locator": "別紙2 comparison table",
        "supports": "Sagami 4 cars 2M2T; Boso/Kashima 2 cars 1M1T; 2950 mm; stainless steel; 110 km/h; SiC VVVF, enclosed induction motors.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "e721",
        "title": "E721系",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/local/e721.html",
        "source_language": "ja",
        "effective_date": null,
        "locator": "基本情報・車両紹介",
        "supports": "120 km/h; 0,500,1000 subseries, lower passenger floor.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "ginza",
        "title": "東京メトロ 銀座線1000系 主要諸元",
        "publisher": "東京メトロ",
        "url": "https://www.tokyometro.jp/corporate/enterprise/passenger_rail/cars/working/ginza_1000/pdf/specifications.pdf",
        "source_language": "ja",
        "effective_date": "2023-03-31",
        "locator": "p.1, specification table",
        "supports": "Six cars; 16000 ×2598 ×3465 mm; PMSM, VVVF; 80 km/h design speed; 3.3 km/h/s acceleration.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "tram",
        "title": "フォトギャラリー",
        "publisher": "鹿児島市交通局",
        "url": "https://www.kotsu-city-kagoshima.jp/cust-photo/",
        "source_language": "ja",
        "effective_date": null,
        "locator": "1000形・7500形 vehicle specification tables",
        "supports": "7501–7504 dimensions and motor rating; 1011 dimensions.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      }
    ]
  },
  "engineering": {
    "record": {
      "scope": {
        "en": "2015 manufacturer specification, not the earlier 2013 planning table.",
        "ja": "2013年計画表ではなく、2015年メーカー技報の仕様。"
      },
      "facts": [
        {
          "label": {
            "en": "Speed categories",
            "ja": "速度の区別"
          },
          "value": {
            "en": "Service 110 km/h; design 120 km/h.",
            "ja": "営業110 km/h、設計120 km/h。"
          },
          "sources": [
            "regional:reg-e129-toyo"
          ],
          "locator": "p.27, Table 1"
        },
        {
          "label": {
            "en": "Motor rating",
            "ja": "主電動機定格"
          },
          "value": {
            "en": "MT75B induction motor: 140 kW one-hour rating per motor.",
            "ja": "MT75B誘導電動機：1基140 kW、1時間定格。"
          },
          "sources": [
            "regional:reg-e129-toyo"
          ],
          "locator": "p.29"
        },
        {
          "label": {
            "en": "Distributed traction",
            "ja": "駆動配置"
          },
          "value": {
            "en": "Each car has one powered and one unpowered bogie (0.5M).",
            "ja": "各車に動力台車と付随台車を1台ずつ配置する0.5M方式。"
          },
          "sources": [
            "regional:reg-e129-toyo"
          ],
          "locator": "p.27"
        },
        {
          "label": {
            "en": "Converter grouping",
            "ja": "制御群"
          },
          "value": {
            "en": "SC102: two-level IGBT, two independent two-motor groups.",
            "ja": "SC102：2レベルIGBT、2電動機単位の独立2群。"
          },
          "sources": [
            "regional:reg-e129-toyo"
          ],
          "locator": "p.28"
        },
        {
          "label": {
            "en": "Degraded restart",
            "ja": "故障時の再起動"
          },
          "value": {
            "en": "A two-car set can restart on 35‰ with one two-motor group isolated.",
            "ja": "2両編成で2電動機1群を開放しても35‰勾配で再起動可能。"
          },
          "sources": [
            "regional:reg-e129-toyo"
          ],
          "locator": "p.28"
        },
        {
          "label": {
            "en": "Drive gearing",
            "ja": "駆動・歯車比"
          },
          "value": {
            "en": "TD parallel cardan; 97:16 gear ratio (about 6.06).",
            "ja": "TD平行カルダン、歯車比97:16（約6.06）。"
          },
          "sources": [
            "regional:reg-e129-toyo"
          ],
          "locator": "p.29"
        }
      ],
      "insights": [
        {
          "title": {
            "en": "When regeneration has nowhere to go",
            "ja": "回生電力を受け取れないとき"
          },
          "text": {
            "en": "A braking chopper diverts unaccepted regenerative energy to resistors, sustaining electric braking almost to standstill.",
            "ja": "回生電力が受け入れられない場合はチョッパで抵抗器へ送り、停止直前まで電気ブレーキを維持する。"
          },
          "sources": [
            "regional:reg-e129-toyo"
          ]
        }
      ],
      "gaps": [
        "The 2013 planning release has different speed figures; do not mix its provisional table with the 2015 delivered-equipment specification."
      ]
    },
    "sources": {
      "regional:reg-e129-toyo": {
        "title": "東日本旅客鉄道株式会社E129系一般形直流電車用電機品",
        "publisher": "東洋電機製造・東洋電機技報131",
        "url": "https://dl.ndl.go.jp/view/prepareDownload?contentNo=1&itemId=info%3Andljp%2Fpid%2F10386025",
        "date": "2015-04",
        "language": "ja",
        "locator": "pp.27–31（国立国会図書館保存）",
        "checked": "2026-11-07"
      }
    },
    "checked": "2026-11-07"
  },
  "literature": []
}