Joint optimization of windthermal bundling transmission line crosssection and thermal power capacity considering heat capacity
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    Abstract:

    Windthermal bundling external power transmission use thermal power to suppress the fluctuation of wind power and improve the utilization rate of the line. It is an important way to absorb wind power on a large scale. Therefore, the choice of windthermal bundling external power transmission lines and supporting thermal power is crucial. And the transmission capacity of the external power transmission line is related to its cross section and environmental temperature. Considering the line heat capacity or namely the influence of environmental temperature, this paper proposes a method to optimize transmission line crosssection and thermal power capacity of windthermal bundling external power. This method comprehensively considers the impact of wind power and thermal power income, total cost of thermal power, line investment cost, and wind curtailment cost on social benefits. The calculation example shows that this method can give full play to the transmission capacity of the line and increase social benefits compared with the method without considering the thermal load capacity.

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张梦婕,叶 荣,林章岁,温步瀛.考虑热载荷能力的风火打捆外送电线路截面和火电容量联合优化[J].电力科学与技术学报英文版,2020,35(4):91-98. ZHANG Mengjie, YE Rong, LIN Zhangsui, WEN Buying. Joint optimization of windthermal bundling transmission line crosssection and thermal power capacity considering heat capacity[J]. Journal of Electric Power Science and Technology,2020,35(4):91-98.

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  • Received:
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  • Online: September 04,2020
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