目

電力用光通信ネットワークの実態と動向

次・・・・・・・・・・・・・・・

電力用光通信ネットワーク
技 術 専 門 委 員 会

委員会組織 ····························································································· (1)第１章

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

研究の目的と経緯 ················································································ (3)1-2

各種定義 ························································································ (3)1-2-1

研究範囲 ···················································································· (3)1-2-2

用語定義 ···················································································· (4)1-3

研究報告の概要 ·················································································· (4)1-3-1【第 2 章】電力用光通信ネットワークの変遷 ···················································· (4)

1-3-2【第 3 章】電力用光通信ネットワークの構成機器 ················································ (4)

1-3-3【第 4 章】伝送機器の技術動向 ································································ (5)

1-3-4【第 5 章】光ケーブルの設備実態 ······························································ (5)

1-3-5【第 6 章】光ケーブルの技術動向 ······························································ (6)

1-3-6【第 7 章】今後の電力用光通信ネットワーク構成の考え方 ········································ (6)

1-3-7【第 8 章】今後の課題と将来に向けた取り組み ·················································· (6)第２章

電力用光通信ネットワークの変遷 ································································· (7)2-1

電力用光通信ネットワーク構成の考え方 ···························································· (7)2-1-1

電力用光通信ネットワーク階層構成 ···························································· (7)2-1-2

電力用光通信ネットワーク構成要素 ···························································· (8)2-1-3

電力会社間連係ネットワーク ·································································· (9)第３章

電力用光通信ネットワークの構成機器 ···························································· (11)3-1

調査内容 ······················································································· (11)3-1-1

調査機器定義 ··············································································· (11)3-1-2

調査内容 ··················································································· (11)3-2

機器構成の変化と導入機器の変遷 ································································· (12)3-2-1

機器構成の変化 ············································································· (12)3-2-2

導入機器の変遷 ············································································· (14)3-3運用実態 ······················································································· (16)3-3-1

機器全体運用実態 ··········································································· (16)3-3-2

PDH 装置運用実態 ············································································ (16)3-3-3SDH 装置運用実態 ············································································ (17)3-3-4

WDM 装置運用実態 ············································································ (17)3-4故障実績 ······················································································· (19)3-4-1

調査結果 ··················································································· (19)3-4-2

分析結果 ··················································································· (23)3-5

機器の信頼度 ··················································································· (26)3-5-1

調査結果 ··················································································· (26)

3-5-2

信頼度評価 ················································································· (33)3-5-3

保守・運用評価 ············································································· (33)

第４章

伝送機器の技術動向 ············································································ (35)4-1

伝送機器の技術変遷 ············································································· (35)4-1-1

通信方式の変化 ············································································· (35)4-1-2

通信サービスの変遷 ········································································· (35)

4-1-3

通信事業者と電力会社の違い ································································· (36)4-2

PDH 装置，SDH 装置の技術動向 ···································································· (38)4-2-1

PDH 装置の技術動向 ·········································································· (38)4-2-2

SDH 装置の技術動向 ·········································································· (39)4-3

WDM 装置の技術動向 ·············································································· (41)4-3-1

高速・大容量化のトレンド ··································································· (41)4-3-2

ネットワークの柔軟性 ······································································· (45)4-4IP 機器の技術動向 ··············································································· (45)4-4-1

IP 機器の開発方向性 ········································································· (45)4-4-2

高密度化，広帯域化 ········································································· (46)4-4-3

レイヤ統合技術 ············································································· (47)4-4-4SDN ························································································ (50)4-5

海外技術動向 ··················································································· (51)4-5-1

発変電所設備のデジタル化 ··································································· (51)4-5-2

デジタル変電所のためのネットワーク技術 ····················································· (54)4-5-3

デジタル変電所の海外事例 ··································································· (56)

第５章

光ケーブルの設備実態 ·········································································· (58)5-1

電力用光ケーブルの変遷 ········································································· (58)5-2設備実態 ······················································································· (59)5-2-1

調査内容 ··················································································· (59)5-2-2

調査結果 ··················································································· (59)5-3

故障実績 ······················································································· (62)5-3-1

架空光ケーブルの故障 ······································································· (62)5-3-2

地中光ケーブルの故障 ······································································· (64)5-3-3

OPGW の故障 ················································································· (66)5-4支障移設 ······················································································· (69)5-4-1

調査結果 ··················································································· (69)5-4-2

分析結果 ··················································································· (69)

5-5

信頼度評価 ····················································································· (70)5-5-1

調査結果 ··················································································· (70)5-5-2

信頼度評価 ················································································· (72)

第６章

光ケーブルの技術動向 ········································································· (74)6-1

光ファイバ心線 ················································································· (74)6-1-1

電協研第 48 巻以降取り入れられた光ファイバ ·················································· (74)6-1-2

次世代の光ファイバ ········································································· (76)6-2

光ケーブル ····················································································· (77)6-2-1

次世代光ケーブル ··········································································· (77)

6-2-2

自己支持型ケーブル ········································································· (79)6-3

OPGW ··························································································· (79)6-3-1

概要 ······················································································· (79)6-3-2

耐雷型 OPGW ················································································· (79)6-3-3

耐腐食型 OPGW ··············································································· (79)6-4

接続技術・材料 ················································································· (81)6-4-1

メカニカルクロージャ ······································································· (81)

6-4-2融着接続機 ················································································· (83)6-4-3

融着接続機付属工具 ········································································· (83)6-4-4

光ファイバ識別機 ··········································································· (84)6-4-5コネクタ ··················································································· (84)6-4-6

現場組立型コネクタ ········································································· (85)6-5心線管理システム ··············································································· (86)6-6

保守・施工方法 ················································································· (88)6-6-1

概要 ······················································································· (88)6-6-2

保守 ······················································································· (88)6-6-3

施工方法 ··················································································· (91)6-7新しい用途 ····················································································· (93)6-7-1

光ファイバ給電技術 ········································································· (93)6-7-2

光無線給電技術 ············································································· (93)6-7-3

光電波融合技術 ············································································· (94)6-7-4

光無線通信技術 ············································································· (95)

第７章

今後の電力用光通信ネットワーク構成の考え方 ···················································· (98)7-1

電力用光通信ネットワークの更新周期 ····························································· (98)7-1-1

伝送装置の更新周期 ········································································· (98)7-1-2

光ケーブルの更新周期 ······································································· (98)7-1-3

電力用光通信ネットワークの更新周期 ························································· (98)7-2

自然災害に対する電力用光通信ネットワーク ······················································· (98)7-3

保護リレーシステム回線への WDM 装置適用 ························································ (100)7-3-1

要求信頼度および不稼働率の設定 ···························································· (100)

7-3-2

WDM 装置の適用検討 ········································································· (100)7-3-3

全体評価 ·················································································· (105)

第８章

今後の課題と将来に向けた取り組み ····························································· (106)8-1

今後の課題 ···················································································· (106)8-1-1

系統保護回線 ·············································································· (106)8-1-2

PDH 装置，SDH 装置の保守終息 ······························································· (106)8-1-3

非 IP 端末が存在する場合のネットワーク構築方法 ············································· (106)8-1-4

電力用光通信ネットワークの網同期 ·························································· (106)8-1-5

ネットワークセキュリティ ·································································· (107)8-1-6

細径・高密度ケーブル ······································································ (107)

8-1-7

劣化診断技術 ·············································································· (108)8-2

将来に向けた取り組み ·········································································· (109)8-2-1Society5.0 ················································································ (109)8-2-2

Utility3.0 ················································································ (110)8-3

まとめ ························································································ (111)

あとがき ····························································································· (112)

付録
付録 1

用語定義 ··················································································· (113)付録 2

台数定義 ··················································································· (115)

付録 3

回線構成の採用電力会社数の推移 ····························································· (116)

付録 4

故障部位定義 ··············································································· (117)付録 5

信頼度分析定義 ············································································· (118)

付録 6

光ケーブルの設備実態集計結果 ······························································· (119)付録 7

光ケーブルの生物被害事例 ··································································· (122)

付録 8

光ケーブルの故障・支障移設実績集計結果 ····················································· (123)

付録 9

MFD（Mode Field Diameter：モードフィールド径）の違いによる接続損失計算例 ··················· (125)付録 10

ローカルディテクション方式 ································································· (126)

付録 11

OPGW 障害の発生プロセスと 1.24/1.625μm-OTDR による検出 ····································· (127)

付録 12

光ファイバ関連の代表的な JIS 規格 ··························································· (130)付録 13JIS と国際規格相当表 ······································································· (131)

付録 14

光ファイバ適用 IEC 規格 ····································································· (132)

参考資料

略語集 ···················································································· (133)