Rural power network planning is a complicated nonlinear optimized combination problem which based on load forecasting results, and its actual load is affected by many uncertain factors, which influenced optimization r...Rural power network planning is a complicated nonlinear optimized combination problem which based on load forecasting results, and its actual load is affected by many uncertain factors, which influenced optimization results of rural power network planning. To solve the problems, the interval algorithm was used to modify the initial search method of uncertainty load mathematics model in rural network planning. Meanwhile, the genetic/tabu search combination algorithm was adopted to optimize the initialized network. The sample analysis results showed that compared with the certainty planning, the improved method was suitable for urban medium-voltage distribution network planning with consideration of uncertainty load and the planning results conformed to the reality.展开更多
在“双碳”目标驱动下,构建低碳、经济和灵活的能源利用体系至关重要。为此,提出一种考虑源荷双侧需求响应和氢能多元利用的综合能源系统(integrated energy system,IES)低碳优化调度模型。首先,在源侧热电联产(combined heat and power...在“双碳”目标驱动下,构建低碳、经济和灵活的能源利用体系至关重要。为此,提出一种考虑源荷双侧需求响应和氢能多元利用的综合能源系统(integrated energy system,IES)低碳优化调度模型。首先,在源侧热电联产(combined heat and power,CHP)机组中引入电锅炉(electric boiler,EB)和卡琳娜(Kalina)循环模型,解耦CHP“以热定电”和“以电定热”模式,构建CHP灵活输出模型;其次,在荷侧引入电、热需求响应模型,并与源侧CHP灵活输出模型协调优化,构建源荷双侧需求响应模型;最后,在模型中引入含制氢、用氢、燃气混氢和储氢组成的氢能多元利用模型,建立了电-热-气-氢IES低碳优化调度模型。算例仿真结果表明,所提模型不仅有效降低了系统经济成本和碳排放量,还提高了新能源的消纳能力,实现了IES低碳、经济和灵活运行。展开更多
文摘Rural power network planning is a complicated nonlinear optimized combination problem which based on load forecasting results, and its actual load is affected by many uncertain factors, which influenced optimization results of rural power network planning. To solve the problems, the interval algorithm was used to modify the initial search method of uncertainty load mathematics model in rural network planning. Meanwhile, the genetic/tabu search combination algorithm was adopted to optimize the initialized network. The sample analysis results showed that compared with the certainty planning, the improved method was suitable for urban medium-voltage distribution network planning with consideration of uncertainty load and the planning results conformed to the reality.
文摘在“双碳”目标驱动下,构建低碳、经济和灵活的能源利用体系至关重要。为此,提出一种考虑源荷双侧需求响应和氢能多元利用的综合能源系统(integrated energy system,IES)低碳优化调度模型。首先,在源侧热电联产(combined heat and power,CHP)机组中引入电锅炉(electric boiler,EB)和卡琳娜(Kalina)循环模型,解耦CHP“以热定电”和“以电定热”模式,构建CHP灵活输出模型;其次,在荷侧引入电、热需求响应模型,并与源侧CHP灵活输出模型协调优化,构建源荷双侧需求响应模型;最后,在模型中引入含制氢、用氢、燃气混氢和储氢组成的氢能多元利用模型,建立了电-热-气-氢IES低碳优化调度模型。算例仿真结果表明,所提模型不仅有效降低了系统经济成本和碳排放量,还提高了新能源的消纳能力,实现了IES低碳、经济和灵活运行。
