输变电装备技术全国重点实验室(重庆大学),重庆 400044
[ "罗永捷1988-,男,副教授 研究方向为柔性直流输配电技术、交直流混联电网稳定性、新型电力电子化电力系统等E-mail:luoyj@cqu.edu.cn" ]
[ "吕元正(通信作者) 1999-,男,硕士研究生研究方向为高压直流输电、电流源型换流器E-mail:lyz-1229@163.com" ]
收稿:2024-04-24,
纸质出版:2024-08-30
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罗永捷,吕元正,王强钢,等.基于多参量融合TLCC-BEP模型的海上风电送出方案经济性对比分析[J].新型电力系统,2024,02(3):330-345.
LUO Yongjie,LÜ Yuanzheng,WANG Qianggang,et al.Economic Comparison Analysis of Offshore Wind Power Transmission Schemes Based on Multi-parameter Fusion TLCC-BEP Model[J].New Type Power Systems,2024,02(03):330-345.
罗永捷,吕元正,王强钢,等.基于多参量融合TLCC-BEP模型的海上风电送出方案经济性对比分析[J].新型电力系统,2024,02(3):330-345. DOI: 10.20121/j.2097-2784.ntps.240031.
LUO Yongjie,LÜ Yuanzheng,WANG Qianggang,et al.Economic Comparison Analysis of Offshore Wind Power Transmission Schemes Based on Multi-parameter Fusion TLCC-BEP Model[J].New Type Power Systems,2024,02(03):330-345. DOI: 10.20121/j.2097-2784.ntps.240031.
“十四五”期间我国海上风电逐步进入风机大型化、联结规模化、选址深远海化的快速发展期,越来越多海上风电送出方案被提出。主动换相型直流输电(active commutation type high-voltage direct current transmission system
ACC-HVDC)以其离岸换流设备体积小、重量轻、成本低等优势备受关注,但目前缺乏对典型送出方案在多场景下的系统性经济分析。该文以财务参数改进全生命周期成本(total life cycle cost
TLCC)模型,结合平准化度电成本(levelized cost of energy
LCOE)模型进行盈亏平衡分析(break even point
BEP),将多参数进行融合建立TLCC-BEP海上风电经济性评估模型;根据模型敏感性分析结果,给出了各方案多场景下的降本增效措施;以实际风场地理数据,采用改进后的技术经济计算模型,在多场景下对高压交流、分频输电、柔性直流及主动换相直流4种方案进行成本特性及盈利能力分析,最终得到4种送出方案的适用范围。
During the 14th Five Year Plan period
China's offshore wind power gradually entered a rapid development period of large-scale wind turbines
large-scale wind farm connections
and deep-and-far-sea wind farm site selection. More and more offshore wind power transmission plans have been proposed. The active commutation type high-voltage direct current transmission system (ACC-HVDC) has attracted much attention due to its advantages of small size
light weight
and low cost of offshore converter equipment. However
there is currently a lack of systematic economic analysis of several typical transmission schemes in multiple scenarios. This paper improved the total life cycle cost (TLCC) model with financial parameters
combined with the levelized cost of energy (LCOE) model for break even point analysis (BEP)
and integrated multiple parameters to establish the TLCC-BEP offshore wind power economic evaluation model; Based on the sensitivity analysis results of the model
the cost reduction and efficiency improvement measures under various scenarios were given.; Then
based on the actual geographical data
an improved technical and economic calculation model was adopted to analyze the cost characteristics and profitability of four schemes
namely HVAC
FFTS
VSC-HVDC and ACC-HVDC
in multiple scenarios. Finally
the applicability range of the four transmission schemes was obtained.
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