●PREFACE
SUMMARY
1 Development Status
1．1 Overview of Cross-sea Transmission
1．1．1 Application Status
1．1．2 Technical Routes
1．2 Overview of Global Submarine cable
1．3 Technical Status
1．3．1 Cable
1．3．2 Accessories
1．3．3 Tests
1．3．4 Installing
1．3．5 O&M
1．4 Economic Status
1．4．1 Price Composition and Main Influencing Factors
1．4．2 Current Economic Level
1．4．3 Evolution Law
2 Demands and Targets
2．1 Demands Analysis
2．1．1 Asia
2．1．2 Europe
2．1．3 North America
2．1．4 Africa
2．2 Technical Targets
2．2．1 Cable
2．2．2 Installation
2．3 Economic Targets
2．3．1 Calculation Procedure
2．3．2 Conclusions and Analysis
3 Development Bottleneck
3．1 Technical Bottleneck
3．1．1 Increase of Voltage
3．1．2 Increase of Capacity
3．1．3 Increase of Distance
3．1．4 Increase of Depth
3．2 Economic Bottleneck
3．3 Market and Political Bottleneck
……
4 Development Roadmap
5 Development Prospect
Attachments： abbreviations/definitions

本報告提出進一步開發±800kV~±1100kV4000MW～12000MW級特高壓直流海纜技術，重點圍繞特高壓直流海纜研究背景、未來需求及潛在綜合效益等方面，基於海纜技術、經濟發展現狀，分析未來特高壓直流海纜的技術目標、經濟目標及面臨的挑戰，並就未來技術路線、經濟性水平做出研判，最終制定特高壓直流海纜研發規劃及發展路線圖，為相關研究和決策機構、專業人員提供支撐，引領、推動特高壓直流海纜技術發展及工程實踐，促進全球能源互聯網建設，最終實現人類能源可持續發展。