{
  "edition": "2026-11-07",
  "id": "series-500",
  "locale": "ko",
  "url": "https://senroam.com/ko/trains/series-500/",
  "name": "500 · San’yō",
  "summary": "500 · San’yō · A rounded tube tapers into a long, pointed nose.",
  "type": "train",
  "questions": [],
  "sources": [
    {
      "url": "https://www.westjr.co.jp/press/article/2026/06/22/items/260622_00_press_500kei_dryellow.pdf",
      "checked": "2026-11-07",
      "lang": "ja"
    }
  ],
  "detail": "A rounded tube tapers into a long, pointed nose.",
  "technical": {
    "record": [
      [
        "500 series · original 16-car Nozomi configuration",
        "500系 · 登場時の16両「のぞみ」編成"
      ],
      [
        [
          "formation",
          "16 cars",
          "16両",
          "hitachi"
        ],
        [
          "body",
          "Aluminium honeycomb / single skin",
          "アルミハニカム・シングルスキン",
          "history"
        ],
        [
          "control",
          "VVVF inverter",
          "VVVFインバータ",
          "history"
        ],
        [
          "supply",
          "25 kV AC · 60 Hz",
          "交流25 kV · 60 Hz",
          "hitachi"
        ],
        [
          "nose",
          "15 m",
          "15 m",
          "500"
        ]
      ]
    ],
    "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": "Original sixteen-car 500 series body design · 1997",
        "ja": "登場時16両500系の車体設計 · 1997年"
      },
      "facts": [
        {
          "label": {
            "en": "Honeycomb bodyshell mass",
            "ja": "ハニカム構体質量"
          },
          "value": {
            "en": "5.6 t in the manufacturer’s structural comparison",
            "ja": "メーカーの構体比較で5.6 t"
          },
          "sources": [
            "west:west-500"
          ],
          "page": 3,
          "locator": "Table 2; bodyshell, not complete vehicle"
        },
        {
          "label": {
            "en": "Airtight structural strength",
            "ja": "気密強度"
          },
          "value": {
            "en": "11.0 kPa in the bodyshell comparison",
            "ja": "構体比較表の値11.0 kPa"
          },
          "sources": [
            "west:west-500"
          ],
          "page": 3,
          "locator": "Table 2"
        },
        {
          "label": {
            "en": "Nose area progression",
            "ja": "先頭部の断面積変化"
          },
          "value": {
            "en": "Profile developed around an ellipsoid-of-revolution model",
            "ja": "回転だ円体理論に沿う断面積変化"
          },
          "sources": [
            "west:west-500"
          ],
          "page": 3,
          "locator": "§2.2"
        }
      ],
      "insights": [
        {
          "title": {
            "en": "Why the body is so round",
            "ja": "丸い車体にも理由がある"
          },
          "text": {
            "en": "The compact rounded cross-section and long nose were developed together to control tunnel pressure waves while preserving cab and equipment space. The 5.6 t figure describes the structural shell, not a complete powered car.",
            "ja": "小さく丸い断面と長い先頭部は、運転台・機器の空間を確保しつつトンネル微気圧波を抑える設計。5.6 tは構体の値であり、機器を積んだ完成車両の重量ではない。"
          },
          "sources": [
            "west:west-500"
          ],
          "page": 3
        }
      ],
      "gaps": [
        "Original body study is not an eight-car V-formation traction specification."
      ]
    },
    "sources": {
      "west:west-500": {
        "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": "Printed pp. 153–156; §2.2 and Table 2",
        "checked": "2026-11-07"
      }
    },
    "checked": "2026-11-07"
  },
  "literature": []
}