{
  "metadata": {
    "dataset_key": "jddg-2025-v9.0",
    "dataset_revision": "0.23",
    "topic_slug": "transfer",
    "topic_label_ja": "電源切替",
    "topic_label_en": "Transfer / ATS",
    "requirement_count": 5,
    "summary_layer_version": "1.1",
    "terminology_policy_version": "1.1",
    "display_text_revision": "1.1"
  },
  "description_ja": "電源切替に関係するJDDG要件を、設計上の確認項目ごとに分類しています。",
  "focus_items_ja": [
    "自動切替（ATS）",
    "切替時間",
    "常用・非常電源間の移行",
    "制御・インターロック",
    "負荷側への影響"
  ],
  "related_terms": [],
  "requirements": [
    {
      "requirement_id": "JDDG25-14.10.7.1-R07",
      "section": "14.10.7.1",
      "title_ja": "中電圧配電設備",
      "title_en": "MEDIUM VOLTAGE DISTRIBUTION EQUIPMENT",
      "summary_ja": "機器試験はNETA ATSに従うか、日本電気安全検査協会の認定者が実施することを求めています。",
      "source_fact_en": "Equipment testing shall follow NETA ATS or be performed by personnel certified by the Electrical Safety Inspection Association of Japan.",
      "strength": "mandatory",
      "strength_ja": "必須",
      "applicable_phases": [
        "design",
        "commissioning"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.10.7.1-R07/"
    },
    {
      "requirement_id": "JDDG25-14.11.20.1-R02",
      "section": "14.11.20.1",
      "title_ja": "非常照明用バックアップ電源",
      "title_en": "BACKUP POWER PROVISIONS",
      "summary_ja": "待機交流発電機を使用する場合は、通常電源喪失後10秒以内に非常照明負荷へ給電できることを求めています。",
      "source_fact_en": "Where standby AC generation is used, the generator must support the emergency-lighting load within 10 seconds after normal power loss.",
      "strength": "mandatory",
      "strength_ja": "必須",
      "applicable_phases": [
        "design",
        "commissioning"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.11.20.1-R02/"
    },
    {
      "requirement_id": "JDDG25-14.11.20.1-R05",
      "section": "14.11.20.1",
      "title_ja": "非常照明用バックアップ電源",
      "title_en": "BACKUP POWER PROVISIONS",
      "summary_ja": "非常照明電源は、平常時に常時通電され、非常時には発電電源へ自動切替される供給点から取ることを求めています。",
      "source_fact_en": "Emergency-lighting power must come from a point energized continuously under normal conditions and automatically transferred to generated power under emergency conditions.",
      "strength": "mandatory",
      "strength_ja": "必須",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.11.20.1-R05/"
    },
    {
      "requirement_id": "JDDG25-14.13-R03",
      "section": "14.13",
      "title_ja": "電気系統の耐震設計要件",
      "title_en": "SEISMIC DESIGN REQUIREMENTS (OF ELECTRICAL SYSTEMS)",
      "summary_ja": "自動切替開閉器（ATS: Automatic Transfer Switch）を、Ip = 1.5の指定耐震システム（Designated Seismic System）として扱うことを求めています。",
      "source_fact_en": "Automatic Transfer Switches are designated seismic systems with Ip = 1.5.",
      "strength": "mandatory",
      "strength_ja": "必須",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.13-R03/"
    },
    {
      "requirement_id": "JDDG25-14.13-R05",
      "section": "14.13",
      "title_ja": "電気系統の耐震設計要件",
      "title_en": "SEISMIC DESIGN REQUIREMENTS (OF ELECTRICAL SYSTEMS)",
      "summary_ja": "非常用発電機、ATS、スイッチギヤ、制御用分電盤には、指定された日本の認証を取得することを求めています。",
      "source_fact_en": "Emergency generators, ATS, switchgear, and control panelboards shall have the specified Japanese certification.",
      "strength": "mandatory",
      "strength_ja": "必須",
      "applicable_phases": [
        "design",
        "contractor_submittal",
        "installation"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.13-R05/"
    }
  ]
}