{ "edition": "2026-11-07", "id": "alfa-x", "locale": "zh-Hant", "url": "https://senroam.com/zh-Hant/trains/alfa-x/", "name": "E956 · ALFA-X", "summary": "E956 · ALFA-X · Experimental train. The two ends have different noses.", "type": "train", "questions": [], "sources": [ { "url": "https://www.jreast.co.jp/press/2018/20190315.pdf", "checked": "2026-11-07", "lang": "ja" } ], "detail": "Experimental train. The two ends have different noses.", "technical": { "record": [ [ "E956 ALFA-X · test specification, 2020", "E956形ALFA-X · 2020年公表の試験仕様" ], [ [ "formation", "10 motor cars · 10M", "全10両電動車・10M", "alfa" ], [ "supply", "25 kV AC · 50 Hz only", "交流25 kV・50 Hz専用", "alfa" ], [ "control", "VVVF inverter", "VVVFインバータ", "alfa" ], [ "brakes", "Regenerative + electrically commanded air braking", "回生併用電気指令式空気ブレーキ", "alfa" ], [ "tilt", "2° air-spring tilt; full-active control throughout", "空気ばね式2度車体傾斜・全車フルアクティブ制御", "alfa" ], [ "temperature", "−30°C to +40°C design specification", "設計温度 −30°C〜+40°C", "alfa" ], [ "test_speed", "Approximately 400 km/h test capability", "試験性能 約400 km/h", "alfa" ] ] ], "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": "E956 experimental platform · JR East 2019/2020 development account", "ja": "E956形試験プラットフォーム · 2019〜2020年の開発説明" }, "facts": [ { "label": { "en": "Powered formation", "ja": "電動車構成" }, "value": { "en": "10 cars · all powered", "ja": "10両 · 全電動車" }, "sources": [ "east:east-alfa-review" ], "locator": "p.10", "page": 6 }, { "label": { "en": "Test capability / research target", "ja": "試験性能・開発目標" }, "value": { "en": "About 400 km/h test capability; research for 360 km/h service", "ja": "約400 km/hの試験性能、営業360 km/hを目指す研究" }, "sources": [ "east:east-alfa-review" ], "locator": "p.10", "page": 6 }, { "label": { "en": "Cold design condition", "ja": "低温仕様" }, "value": { "en": "−30 °C", "ja": "−30 ℃" }, "sources": [ "east:east-alfa-review" ], "locator": "p.10", "page": 6 }, { "label": { "en": "Traction switching", "ja": "主回路素子" }, "value": { "en": "SiC devices for efficient, compact high-output equipment", "ja": "高効率・小型・高出力化のためSiC素子を採用" }, "sources": [ "east:east-alfa-review" ], "locator": "p.13", "page": 9 }, { "label": { "en": "Maximum experimental tilt", "ja": "試験車の最大傾斜" }, "value": { "en": "2°", "ja": "2°" }, "sources": [ "east:east-alfa-review" ], "locator": "p.13", "page": 9 }, { "label": { "en": "Condition monitoring", "ja": "状態監視" }, "value": { "en": "Vibration and temperature sensors on bogie frames and axleboxes", "ja": "台車枠・軸箱の振動・温度センサー" }, "sources": [ "east:east-alfa-review" ], "locator": "p.12", "page": 8 } ], "insights": [ { "title": { "en": "Braking beyond wheel adhesion", "ja": "車輪の粘着だけに頼らない減速" }, "text": { "en": "Roof panels add aerodynamic drag, while an experimental linear device brings coils close to the rail to produce electromagnetic retardation. Both were investigated for faster emergency stopping.", "ja": "屋根上の抵抗板は空気抵抗を増し、リニア式装置はコイルをレールに近づけて電磁力で減速する。非常時の停止性能向上を検証する開発品である。" }, "sources": [ "east:east-alfa-2018" ], "locator": "さらなる安全性・安定性の追求" }, { "title": { "en": "Snow control through heat and airflow", "ja": "熱と空気の流れで着雪を抑える" }, "text": { "en": "Heated underfloor panels and reshaped areas around the bogies address snow adhesion and snow-laden airflow. These are experimental provisions described in the 2020 review.", "ja": "床下ふさぎ板のヒーターと台車前後の形状変更により、着雪と雪を巻き込む気流を抑える。2020年技術紹介に記載された試験装備である。" }, "sources": [ "east:east-alfa-review" ], "locator": "p.12", "page": 8 } ], "gaps": [ "Research target and trial capability are not passenger service speeds. Exact motor output and outcome of each experimental feature require later dedicated reports." ] }, "sources": { "east:east-alfa-review": { "title": "次世代新幹線の実現を目指して ～新幹線試験プラットフォームALFA-X～", "publisher": "JR EAST Technical Review No.65", "url": "https://www.jreast.co.jp/development/tech/pdf_65/tech-65-05-15.pdf", "date": "2020", "language": "ja", "locator": "pp.5–15; particularly pp.10–13", "checked": "2026-11-07" }, "east:east-alfa-2018": { "title": "新幹線の試験車両ALFA-Xのデザインおよび開発状況について", "publisher": "JR東日本", "url": "https://www.jreast.co.jp/press/2018/20181003.pdf", "date": "2018-10-03", "language": "ja", "locator": "開発状況 / さらなる安全性・安定性の追求", "checked": "2026-11-07" } }, "checked": "2026-11-07" }, "literature": [] }