目次

電力用通信のレジリエンス強化技術 ・・・・・・・・・・・・・・・・・・ 電力用通信のレジリエンス強化
技 術 専 門 委 員 会
委員会組織 ··························································································· (1)第１章

概説 ························································································· (3)1-1

研究の目的 ···················································································· (3)1-2

研究の経緯 ···················································································· (3)1-3

研究の範囲・対象 ·············································································· (3)1-3-1

研究対象設備 ·············································································· (3)

1-3-2

研究対象災害 ·············································································· (5)1-3-3

研究範囲 ·················································································· (5)1-4

前回報告ガイドラインの概要 ···································································· (5)1-5

研究報告書の概要 ·············································································· (13)1-5-1

過去の大規模災害に関する電力用通信の被害調査【第 2 章】 ···································· (13)1-5-2

他業界の防災対策調査【第 3 章】 ···························································· (13)1-5-3

海外の災害事例調査【第 4 章】 ······························································ (13)1-5-4

自治体･自衛隊他との防災対策調査【第 5 章】 ················································· (13)1-5-5

防災関連規格の変遷調査【第 6 章】 ·························································· (13)

1-5-6

将来の大規模災害に備えた各電力会社の通信設備への対策調査【第 7 章】 ························ (13)1-5-7

被災時の電力用通信設備における復旧支援【第 8 章】 ·········································· (14)1-5-8

防災技術の最新動向【第 9 章】 ······························································ (14)1-5-9

むすび【第 10 章】 ········································································· (14)第２章

過去の大規模災害に関する電力用通信の被害調査 ················································· (15)2-1

調査内容（前回報告ガイドラインの反映状況） ···················································· (15)2-1-1

調査の目的 ················································································ (15)2-1-2

調査事項 ·················································································· (15)2-2調査結果（前回報告ガイドラインの反映状況） ···················································· (15)2-2-1

前回報告ガイドラインの反映状況調査 ························································ (15)2-2-2

調査結果まとめ ············································································ (19)2-3調査内容（大規模災害による被害状況および新たな防災対策） ······································ (19)2-3-1

調査の目的 ················································································ (19)2-3-2

調査事項 ·················································································· (19)2-4調査結果（大規模災害による被害状況および新たな防災対策） ······································ (21)2-4-1

対象災害の選定 ············································································ (21)2-4-2

地震 ······················································································ (22)2-4-3

台風・豪雨 ················································································ (42)2-4-4

調査結果まとめ ············································································ (62)2-5

まとめ ························································································ (63)2-5-1

調査結果から得た課題 ······································································ (63)2-5-2

考察 ······················································································ (63)第３章

他業界の防災対策調査 ········································································· (64)3-1

調査内容 ······················································································ (64)3-1-1

調査対象 ·················································································· (64)

3-1-23-2

調査事項 ·················································································· (64)

調査結果 ······················································································ (64)3-2-1

電源バックアップ時間 ······································································ (64)3-2-2

防災対策 ·················································································· (66)

3-2-3

災害への対応方法 ·········································································· (66)3-2-4

重点を置いた対策 ·········································································· (67)3-3アンケート以外の調査結果 ······································································ (67)3-4

ガイドラインへの追記検討 ······································································ (68)3-5

まとめ ························································································ (69)

第４章

海外の災害事例調査 ··········································································· (70)4-1

調査の目的 ···················································································· (70)4-2

調査事項 ······················································································ (70)4-2-1

CIGRE の概要 ··············································································· (70)4-2-2テクニカルレポートの概要 ·································································· (70)4-3調査結果 ······················································································ (71)4-3-1

オーストラリアおよびニュージーランドの事例 ················································ (71)

4-3-2

ハイドロケベック社の事例 ·································································· (71)

4-3-3

レッドエレクトリカ社の事例 ································································ (72)4-4

まとめ ························································································ (73)

第５章

自治体･自衛隊他との防災対策調査 ······························································ (75)5-1

調査内容 ······················································································ (75)5-1-1

調査の目的 ················································································ (75)5-1-2

調査事項 ·················································································· (75)5-1-3

評価方法 ·················································································· (75)5-2

調査結果 ······················································································ (75)

5-2-1

国・自治体との防災協定 ···································································· (75)5-2-2

自衛隊他との防災協定 ······································································ (75)5-2-3

携帯通信事業者との防災協定 ································································ (77)5-2-4

一般企業との防災協定 ······································································ (77)5-2-5

防災協定の活用事例 ········································································ (79)5-3

評価 ·························································································· (80)5-3-1

通信部門に必要となる防災協定の活用策 ······················································ (80)

5-3-2

防災協定の評価 ············································································ (82)第６章

防災関連規格の変遷調査 ······································································· (83)6-1

調査の目的 ···················································································· (83)6-2

調査方法および内容 ············································································ (83)6-2-1

調査方法 ·················································································· (83)6-2-2

調査内容 ·················································································· (83)6-3

調査結果 ······················································································ (84)6-3-1

前回報告ガイドライン参考文献 ······························································ (84)6-3-2

地震対策 ·················································································· (84)6-3-3

建築物における電気設備の浸水対策ガイドライン ·············································· (86)6-3-4

雷保護関連規格の変遷 ······································································ (87)6-4

考察 ·························································································· (91)6-4-1

地震対策 ·················································································· (91)6-4-2

水害対策 ·················································································· (91)

6-4-3

雷害対策 ·················································································· (91)

6-5

まとめ ························································································ (92)第７章

将来の大規模災害に備えた各電力会社の通信設備への対策調査 ····································· (94)7-1

調査の目的 ····················································································· (94)7-2

将来発生が予想されている大規模災害に関する調査 ················································· (94)7-2-1

調査方法 ··················································································· (94)7-2-2

調査結果 ··················································································· (94)7-3

南海トラフ地震の概要と対策 ····································································· (94)

7-3-1

南海トラフ地震の概要 ······································································· (94)

7-3-2

南海トラフ地震への対策 ····································································· (95)7-3-3

まとめ ····················································································· (97)7-4

ブラックアウト・ブラックスタート ······························································· (97)

7-4-1

ブラックアウト・ブラックスタートの概要 ····················································· (97)7-4-2

北海道胆振東部地震によるブラックアウト・ブラックスタートの事例 ····························· (98)7-4-3

北海道胆振東部地震による・ブラックスタートの事例に対する考察 ······························· (102)7-4-4

調査内容 ··················································································· (102)7-4-5

調査結果 ··················································································· (103)

7-4-6

ブラックアウト・ブラックスタートのまとめ ··················································· (104)

第８章
8-1

被災時の電力用通信設備における復旧支援 ······················································· (107)

調査内容（災害復旧用装置） ····································································· (107)8-1-1

調査の目的 ················································································· (107)8-1-2

調査事項 ··················································································· (107)8-2

調査結果（災害復旧用装置） ····································································· (107)8-2-1

電力会社で導入済みの災害復旧用装置 ························································· (108)8-2-2

既存運用設備の設定変更による災害復旧事例 ··················································· (115)

8-2-3

導入検討中の災害復旧用装置 ································································· (116)

8-2-4

災害復旧用装置のまとめ ····································································· (117)8-3

調査内容（電気通信事業者サービスの利用） ······················································· (119)8-3-1

調査目的 ··················································································· (119)8-3-2

調査内容 ··················································································· (119)8-4

調査結果（電気通信事業者サービスの利用） ······················································· (119)8-4-1

災害復旧時の電気通信事業者サービスの利用有無 ··············································· (119)8-4-2

災害復旧時の電気通信事業者サービスの利用目的 ··············································· (119)8-4-3

電気通信事業者回線途絶時における自営回線への切替想定の有無 ································· (120)8-4-4

まとめ ····················································································· (120)

第９章
9-1

防災技術の最新動向 ··········································································· (121)

事前対策ツール ················································································· (121)9-1-1

雷害対策 ··················································································· (121)

9-1-2

水害対策 ··················································································· (126)9-1-3

地震対策 ··················································································· (129)9-1-4

停電対策 ··················································································· (130)9-2

通信回線復旧システム ··········································································· (131)9-2-1

LPWA の活用 ················································································· (131)9-2-2

プライベート LTE ············································································ (132)9-3

被害状況の把握 ················································································· (134)

9-3-1

GIS ソリューション ·········································································· (134)9-3-2

SNS 解析 ···················································································· (136)9-4発令判断支援 ··················································································· (138)

9-4-1

ナレッジグラフを活用した災害復旧時の意思決定支援 ··········································· (138)9-4-2

機械学習を活用したネットワークの可視化/予兆分析 ············································ (139)9-5

まとめ ························································································· (140)

第１０章
10-1

むすび ····················································································· (141)

電力用通信の災害対策に関する考え方のまとめ ···················································· (141)10-1-1

各章概要 ·················································································· (141)10-1-2

災害対策ガイドラインの更新 ································································ (144)10-1-3

災害対策の総合的な考え方 ·································································· (153)

10-1-4

電力用通信における災害対応の継続対応 ······················································ (154)10-2

今後の課題 ···················································································· (156)

10-3

おわりに ······················································································ (157)

付録
付録 1

用語定義 ··················································································· (158)付録 2

ガイドラインに記載の対策事項 ······························································· (160)

付録 3

過去の大規模災害に関する電力用通信の被害調査 ··············································· (164)付録 4

その他海外の災害事例 ······································································· (174)

参考資料

略語集 ···················································································· (179)