{
  "metadata": {
    "dataset_key": "jddg-2025-v9.0",
    "dataset_revision": "0.23",
    "topic_slug": "generator",
    "topic_label_ja": "発電機",
    "topic_label_en": "Generator",
    "requirement_count": 14,
    "summary_layer_version": "1.1",
    "terminology_policy_version": "1.1",
    "display_text_revision": "1.1"
  },
  "description_ja": "発電機に関係する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": [
    "常用・待機発電機",
    "容量選定",
    "過渡性能",
    "燃料・補機",
    "適用UFGS",
    "試験・受入",
    "非常用電源との連携"
  ],
  "related_terms": [],
  "requirements": [
    {
      "requirement_id": "JDDG25-14.6.3-R02",
      "section": "14.6.3",
      "title_ja": "高度ディレーティング",
      "title_en": "ALTITUDE DERATING",
      "summary_ja": "発電機は、原典記載のとおり平均海面上1000 ftを超える100 mまたはその端数ごとに1%の高度低減を行うことを推奨しています。",
      "source_fact_en": "Generators should be altitude-derated at 1 percent for each 100 m or fraction above 1000 ft mean sea level, as stated in the source.",
      "strength": "recommended",
      "strength_ja": "推奨",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "possible_altitude_threshold_inconsistency",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.6.3-R02/"
    },
    {
      "requirement_id": "JDDG25-14.6.3-R03",
      "section": "14.6.3",
      "title_ja": "高度ディレーティング",
      "title_en": "ALTITUDE DERATING",
      "summary_ja": "定置式ディーゼル発電機は、100～2500 kWではUFGS 26 32 15.00 10、15～300 kWではUFGS 26 32 14.00 10を用いて指定することを推奨しています。",
      "source_fact_en": "Stationary diesel-generator sets should be specified using UFGS 26 32 15.00 10 for 100–2500 kW and UFGS 26 32 14.00 10 for 15–300 kW.",
      "strength": "recommended",
      "strength_ja": "推奨",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "cross_reference_required",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.6.3-R03/"
    },
    {
      "requirement_id": "JDDG25-14.6.3-R04",
      "section": "14.6.3",
      "title_ja": "高度ディレーティング",
      "title_en": "ALTITUDE DERATING",
      "summary_ja": "産業施設の発電機容量選定では、周波数偏差最大10%、電圧偏差最大20%を目安とすることを示しています。",
      "source_fact_en": "Industrial-facility generator sizing guidance uses 10 percent maximum frequency deviation and 20 percent maximum voltage deviation.",
      "strength": "guidance",
      "strength_ja": "指針",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.6.3-R04/"
    },
    {
      "requirement_id": "JDDG25-14.6.3-R05",
      "section": "14.6.3",
      "title_ja": "高度ディレーティング",
      "title_en": "ALTITUDE DERATING",
      "summary_ja": "事務所・一般施設の発電機容量選定では、周波数偏差最大8%、電圧偏差最大15%を目安とすることを示しています。",
      "source_fact_en": "Office/general-facility generator sizing guidance uses 8 percent maximum frequency deviation and 15 percent maximum voltage deviation.",
      "strength": "guidance",
      "strength_ja": "指針",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.6.3-R05/"
    },
    {
      "requirement_id": "JDDG25-14.6.3-R06",
      "section": "14.6.3",
      "title_ja": "高度ディレーティング",
      "title_en": "ALTITUDE DERATING",
      "summary_ja": "コンピュータ施設の発電機容量選定では、周波数偏差最大5%、電圧偏差最大10%を目安とすることを示しています。",
      "source_fact_en": "Computer-facility generator sizing guidance uses 5 percent maximum frequency deviation and 10 percent maximum voltage deviation.",
      "strength": "guidance",
      "strength_ja": "指針",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.6.3-R06/"
    },
    {
      "requirement_id": "JDDG25-14.6.3-R07",
      "section": "14.6.3",
      "title_ja": "高度ディレーティング",
      "title_en": "ALTITUDE DERATING",
      "summary_ja": "記載された発電機容量選定の偏差範囲から大きく外れる場合は、事前承認を得ることを推奨しています。",
      "source_fact_en": "The designer should obtain approval before significantly deviating from the stated generator-sizing deviation ranges.",
      "strength": "recommended",
      "strength_ja": "推奨",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.6.3-R07/"
    },
    {
      "requirement_id": "JDDG25-14.6.3-R08",
      "section": "14.6.3",
      "title_ja": "高度ディレーティング",
      "title_en": "ALTITUDE DERATING",
      "summary_ja": "変圧器の高度低減率は、発電機に適用する低減率の1/2とすることを求めています。",
      "source_fact_en": "Transformer altitude derating is to use one-half the percentage applied to generators.",
      "strength": "mandatory",
      "strength_ja": "必須",
      "applicable_phases": [
        "design",
        "installation"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.6.3-R08/"
    },
    {
      "requirement_id": "JDDG25-14.10.7.7-R01",
      "section": "14.10.7.7",
      "title_ja": "発電機―常用電源および待機電源",
      "title_en": "GENERATORS – PRIME POWER AND STANDBY",
      "summary_ja": "頻繁かつ大幅な負荷変動を受ける待機発電機には、より厳しい過渡性能および試験基準を適用することを推奨しています。",
      "source_fact_en": "A standby generator intended for frequent drastic load shifts should use more stringent transient-performance and testing standards.",
      "strength": "recommended",
      "strength_ja": "推奨",
      "applicable_phases": [
        "design",
        "commissioning"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.10.7.7-R01/"
    },
    {
      "requirement_id": "JDDG25-14.10.7.7-R04",
      "section": "14.10.7.7",
      "title_ja": "発電機―常用電源および待機電源",
      "title_en": "GENERATORS – PRIME POWER AND STANDBY",
      "summary_ja": "必要時に他のUPS、EPS、または発電機電源が設置されない、または利用できない制御回路では、UPSが必要となる場合があるとしています。",
      "source_fact_en": "UPS may also be required for control circuits when other UPS, EPS, or generator sources will not be provided or available when needed.",
      "strength": "conditional",
      "strength_ja": "条件付き",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.10.7.7-R04/"
    },
    {
      "requirement_id": "JDDG25-14.11.10.12-G02",
      "section": "14.11.10.12",
      "title_ja": "周波数変換器",
      "title_en": "FREQUENCY CONVERTERS",
      "summary_ja": "政府支給の電動発電機または静止形周波数変換器が一般に使用されることを示しています。",
      "source_fact_en": "The source notes that Government-furnished motor-generator sets or solid-state frequency converters are typically used.",
      "strength": "guidance",
      "strength_ja": "指針",
      "applicable_phases": [],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.11.10.12-G02/"
    },
    {
      "requirement_id": "JDDG25-14.11.20.1-R01",
      "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": "非常照明のバックアップ電源は、バッテリー・インバータ方式のEPS、自動待機交流発電機、または内蔵バッテリーから供給することを推奨しています。",
      "source_fact_en": "Emergency-lighting backup power should come from a battery-inverter EPS, automatic standby AC generator, or integral batteries.",
      "strength": "recommended",
      "strength_ja": "推奨",
      "applicable_phases": [
        "design"
      ],
      "quality_flag": "normal",
      "url": "https://www.ieee802.co.jp/jddg/2025/requirements/JDDG25-14.11.20.1-R01/"
    },
    {
      "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": "JDDG25-14.13-R04",
      "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": "発電機を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": "Generators 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-R04/"
    },
    {
      "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/"
    }
  ]
}
