用模糊遗传算法优化电网的发电-储能-负荷协同调度,提升不确定性下的运行稳定性。
Genetic Algorithm Based Coordination and Optimization Model for Generation Grid Load Storage in Active Distribution Networks
- 融合模糊逻辑与遗传算法,建模天气与用电波动带来的不确定性。
- 在IEEE-69系统上实现降低技术约束,总投入不变下成本更优。
- 适合关注新能源并网与配网规划的工程师和研究人员。
构建一个结合模糊逻辑与遗传算法的优化框架,用于主动配电网中发电、电网接入、负荷及储能设施的风险评估与协调优化。为捕捉气象因素与动态用户需求带来的系统不确定性,项目采用模糊集表示可再生能源出力、负荷曲线与市场电价。在进化过程中,遗传算法引入模糊元素,通过惩罚因子调整系统管理,提升稳定性并寻求更优的调度或功率分配方案。同时,通过惩罚不确定性和约束违规,混合模型的适应度函数旨在最小化预期运行成本,在参数未知条件下生成可行且经济的结果。在可再生能源丰富且配备储能系统的条件下,基于IEEE-69系统的仿真结果表明,模糊遗传算法策略相较于确定性优化方案显著降低技术约束;总投资水平保持相近。其他数据表明,通过模糊推理优化,网络适配过程中避免了不合理或不可能的情形。该框架提供了一种考虑不确定性的有效计算方法,为配网规划中的不确定性评估提供了科学依据。
原文摘要 · Abstract (English)
Create an optimization framework that combines fuzzy logic and genetic algorithms for risk assessment and coordination of generation, grid connection, load, and energy storage facilities in active distribution networks. In order to capture the system uncertainties caused by weather factors and dynamic user demands, this project uses fuzzy set representation to model renewable energy generation, load curves, and market prices. In the evolutionary process, genetic algorithms introduce fuzzy elements into system management, adjusting thru penalty factors to improve stability and seeking better scheduling or power dispatch solutions. At the same time, by penalizing uncertainty and constraint violations, the fitness function of the hybrid model aims to optimize the expected operational costs; it can produce feasible and economical results under unknown parameter conditions. Under conditions with a large supply of renewable energy and installed energy storage systems, simulation results for the IEEE-69 power system indicate that the fuzzy genetic algorithm strategy effectively reduces technical constraints compared to deterministic optimization schemes. The total investment remains at a similar level. Other data indicate that thru fuzzy reasoning optimization, unreasonable choices or impossible situations are avoided during the network adaptation process. This framework-based technical approach helps to construct an effective computational scheme that is aware of uncertainty in its outputs. This will provide a scientific basis for the uncertainty assessment in distribution network planning.
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