摘要
微网的灵活、高效、经济、环保以及能源多样等优势使微网与传统大电网的运行管理方式有所不同。研究了微网在孤岛运行模式下,考虑分布式电源的发电成本、环境成本以及微网的设备维护成本,在满足微网运行约束条件的基础上,优化微网内不同分布式电源和储能系统的功率输出,使系统的总运行成本最小。分析并建立了含有风力发电系统、微汽轮机、燃料电池、柴油发电机和蓄电池的微网优化运行模型,在对风电功率和敏感性负荷预测的基础上,采用遗传算法求解该模型,并通过算例验证了方法的可行性。
The operation and management of microgrid are different from conventional power system because of its flexible and efficient power supply and economical and environmental impact and its various energy resources. In this paper, taking into consideration the power generating costs and environmental costs as well as the maintenance costs in the islanded microgrid, the total operation cost is minimized by optimizing the power output of different distributed generation and energy storage system based on satisfying the constraints of microgrid operation. The optimal operation model of the microgrid which contains wind generations and microturbines as well as diesel generations and storage battery is developed and analyzed. It is calculated by the genetic algorithm based on the prediction of the wind power and sensitive load, and the model is validated in case study.
出处
《电力系统保护与控制》
EI
CSCD
北大核心
2012年第17期35-40,共6页
Power System Protection and Control
基金
国家自然科学基金项目(51177177)
重庆市科技攻关项目(CSTC2011AC3076)~~
关键词
微网
优化运行
孤岛模式
负荷预测
遗传算法
microgrid
optimal operation
island mode
load forecast
genetic algorithm
