For the post-disaster emergency recovery stage,this paper proposes a power grid resilience improvement strategy based on thermoelectric decoupling CCHP and integrated demand response collaborative optimization.This strategy takes into account resource utilization efficiency while improving resilience.By characterizing the response willingness curve of cold and hot users that takes into account uncertainty,the available temperature range is obtained,and based on this,a temperature deviation index is proposed to measure user comfort.Finally,a multi-objective optimization model is constructed with the goal of maximizing the value of electrical load recovery during power outage period and minimizing the temperature deviation of cold and hot loads.The ε constraint method is used to convert it into a single objective model for solution.The effectiveness of the strategy is verified through simulation of the IEEE-69 power system coupled with a 20 node natural gas network in Belgium.
关键词
配电网/不确定性分析/多目标优化/韧性/热电解耦/综合需求响应
Key words
electric power distribution gird/uncertainty analysis/multi-objective optimization/resilience/thermoelectric decoupling/Integrated demand response(IDR)
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