{
  "edition": "2026-11-07",
  "id": "n700a",
  "locale": "vi",
  "url": "https://senroam.com/vi/trains/n700a/",
  "name": "N700A · Tōkaidō · San’yō",
  "summary": "N700A · Tōkaidō · San’yō · Phát triển từ N700; chỉ nhìn hình dáng bên hông chưa đủ để xác định.",
  "type": "train",
  "questions": [],
  "sources": [
    {
      "url": "https://www.jr-shikoku.co.jp/yodo_line/img/tetsudohobby/mokei.pdf",
      "checked": "2026-11-07",
      "lang": "ja"
    }
  ],
  "detail": "Phát triển từ N700; chỉ nhìn hình dáng bên hông chưa đủ để xác định.",
  "technical": {
    "record": [
      [
        "N700A · JR Central Tōkaidō–San’yō specification",
        "N700A · JR東海・東海道山陽仕様"
      ],
      [
        [
          "body",
          "Aluminium alloy",
          "アルミニウム合金",
          "n700"
        ],
        [
          "control",
          "VVVF inverter",
          "VVVFインバータ",
          "n700"
        ],
        [
          "bogies",
          "Bolsterless",
          "ボルスタレス",
          "n700"
        ],
        [
          "width",
          "3,360 mm maximum",
          "最大3,360 mm",
          "n700"
        ],
        [
          "speed",
          "285 km/h Tōkaidō · 300 km/h San’yō",
          "東海道285 km/h・山陽300 km/h",
          "n700"
        ]
      ]
    ],
    "sources": {
      "zero": [
        "日本車輌製造",
        "0系新幹線の主要諸元",
        "https://www.n-sharyo.co.jp/museum/tec0/tec0-spec.html",
        null,
        "主要諸元・2両ユニット"
      ],
      "history": [
        "日本車輌製造",
        "新幹線の変遷",
        "https://www.n-sharyo.co.jp/business/tetsudo/shinkansen/tec-mechanism.html",
        null,
        "車体材質・台車・制御装置"
      ],
      "300": [
        "日本車輌製造",
        "300系新幹線",
        "https://www.n-sharyo.co.jp/business/tetsudo/pages/jrc300.htm",
        null,
        "交流電動機・アルミ車体"
      ],
      "500": [
        "日本車輌製造",
        "JR西日本500系新幹線",
        "https://www.n-sharyo.co.jp/business/tetsudo/pages/jrw500.htm",
        null,
        "先頭長15 m・アルミハニカム車体"
      ],
      "700": [
        "日本車輌製造",
        "JR東海700系新幹線",
        "https://www.n-sharyo.co.jp/business/tetsudo/pages/jrc700.htm",
        null,
        "アルミ中空形材・区間別速度"
      ],
      "hitachi": [
        "日立製作所",
        "新型高速新幹線電車",
        "https://www.hitachihyoron.com/jp/pdf/1997/02/1997_02_02.pdf",
        "1997-02",
        "表1・冊子154頁"
      ],
      "n700": [
        "JR東海",
        "N700系・N700A 車両のご案内",
        "https://railway.jr-central.co.jp/train/shinkansen/detail_01_01/index.html",
        null,
        "諸元"
      ],
      "n700early": [
        "日本車輌製造",
        "JR東海N700系新幹線",
        "https://www.n-sharyo.co.jp/business/tetsudo/pages/jrcn700.htm",
        null,
        "開発時の主要諸元"
      ],
      "n700s": [
        "JR東海",
        "N700S 車両のご案内",
        "https://railway.jr-central.co.jp/train/shinkansen/n700s/index.html",
        null,
        "諸元"
      ],
      "sic": [
        "JR東海",
        "N700Sに採用する新技術について",
        "https://jr-central.co.jp/news/release/_pdf/000035165.pdf",
        "2017-09-28",
        "SiC素子駆動システム"
      ],
      "battery": [
        "JR東海",
        "N700S量産車の仕様および投入計画",
        "https://jr-central.co.jp/news/release/_pdf/000039300.pdf",
        "2019-01-25",
        "別紙4・バッテリ自走"
      ],
      "t3": [
        "JR西日本・白山市",
        "トレインパーク白山でのドクターイエロー（T3編成）の車両展示",
        "https://www.westjr.co.jp/press/article/items/250130_00_DoctorYellowT3inHakusantrainpark.pdf",
        "2025-01-30",
        "1頁"
      ],
      "t5": [
        "JR西日本",
        "ワタシたちの解体新書 ドクターイエロー",
        "https://www.jr-odekake.net/navi/the_last_run/project-t5/",
        null,
        "T5編成 基本DATA"
      ],
      "alfa": [
        "JR東日本",
        "JR EAST Technical Review No.65",
        "https://www.jreast.co.jp/development/tech/pdf_65/tech-65-05-15.pdf",
        "2020",
        "冊子9頁・ALFA-X主要諸元"
      ]
    }
  },
  "engineering": {
    "record": {
      "scope": {
        "en": "New-build N700A · original 2011 announcement",
        "ja": "新製N700A · 2011年発表仕様"
      },
      "facts": [
        {
          "label": {
            "en": "Disc mounting",
            "ja": "ブレーキディスク締結"
          },
          "value": {
            "en": "Centre-fastened brake discs",
            "ja": "中央締結ブレーキディスク"
          },
          "sources": [
            "west:west-n700a"
          ],
          "page": 2
        },
        {
          "label": {
            "en": "Bogie monitoring",
            "ja": "台車監視"
          },
          "value": {
            "en": "Vibration monitoring on every bogie",
            "ja": "全台車の振動を常時監視"
          },
          "sources": [
            "west:west-n700a"
          ],
          "page": 1
        },
        {
          "label": {
            "en": "Speed control",
            "ja": "定速走行制御"
          },
          "value": {
            "en": "Constant-speed control coordinated with ATC",
            "ja": "ATC信号に沿った定速走行装置"
          },
          "sources": [
            "west:west-n700a"
          ],
          "page": 1
        }
      ],
      "insights": [
        {
          "title": {
            "en": "The A is visible in the systems",
            "ja": "Aの進化は機器に現れる"
          },
          "text": {
            "en": "Its important changes sit beneath the familiar body: more stable braking, continuous bogie monitoring and speed regulation. This original specification concerns new-build N700A; retrofit N700 sets need their own equipment scope.",
            "ja": "見慣れた車体の下で、安定した制動力、台車の常時監視、定速制御が進化した。この登場時資料は新製N700Aの仕様であり、既存N700系の改造内容とは区別して読む。"
          },
          "sources": [
            "west:west-n700a"
          ],
          "page": 1
        }
      ],
      "gaps": [
        "Retrofit N700 and later N700A batches do not automatically share every original new-build feature."
      ]
    },
    "sources": {
      "west:west-n700a": {
        "title": "東海道・山陽新幹線車両 N700Aの概要及び投入計画について",
        "publisher": "JR東海",
        "url": "https://jr-central.co.jp/news/release/_pdf/000011465.pdf",
        "date": "2011-05-30",
        "language": "ja",
        "locator": "pp. 1–2; N700A features",
        "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. 52, “車体傾斜装置”",
      "question": {
        "en": "How does the body lean into a curve?",
        "ja": "カーブで車体を傾ける仕組みは？"
      },
      "answer": {
        "en": "The guide describes an air-spring system that raises the outside of the body on a curve. For the sixteen-car N700 family, a one-degree tilt supported faster running through relevant Tōkaidō curves. Its account distinguishes this from the levelling control used on San’yō.",
        "ja": "曲線の外側にある空気ばねを伸ばして車体を傾ける。技術誌は16両編成N700系の1度の傾斜と東海道での曲線通過速度向上を解説し、山陽で用いる水平制御とは分けて説明している。"
      }
    }
  ]
}