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发明公开
CN104836249A 一种海上柔性直流输电系统电压等级与输电容量计算方法 有权

一种海上柔性直流输电系统电压等级与输电容量计算方法
摘要：
本发明涉及一种海上柔性直流输电系统电压等级与输电容量计算方法，包括以下步骤：1)收集原始数据，包括负荷地区的经济水平、地理环境、电力负荷特性和负荷预测数据；2)确定柔性直流输电系统电压等级与输电容量设计方案备选方案；3)计算每一种备选方案中柔性直流输电系统投资费用；4)计算每一种备选方案中柔性直流输电系统运行费用，并转化为投建时刻的等效金额；5)计算每一种备选方案中柔性直流输电系统可靠性费用，并转化为投建时刻的等效金额；6)计算每一种备选方案中柔性直流输电系统的综合费用；7)选择综合费用最低的备选方案。本发明充分考虑建设费用，运行费用和可靠性费用，可广泛应用于海上柔性直流输电系统设计中。
摘要（英）：

The present invention relates to an offshore flexible DC power transmission system voltage level and transmission capacity calculation method which comprises the following steps: (1) collecting original data comprising the economic level, geographical environment, electricity load characteristic and load forecasting data of a load area (2) determining flexible DC power transmission system voltage level and transmission capacity design scheme alternatives, (3) calculating the flexible DC power transmission system investment cost of each alternative, (4) calculating the flexible DC power transmission system operation cost of each alternative and converting the operation cost into the equivalent amount of investment and construction time, (5) calculating the flexible DC power transmission system reliability cost of each alternative and converting the cost into the equivalent amount of investment and construction time, (6) calculating the flexible DC power transmission system comprehensive cost of each alternative, and (7) selecting the alternative with the lowest comprehensive cost. According to the method, the construction cost, the operation cost and the reliability cost are fully considered, and the method can be widely applied to the offshore flexible DC power transmission system design.

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