Wen Yanqing, Zheng Xiaoya, Chen Jianhui, et al. RELIABILITY EVALUATION OF MULTI-STATE RENEWABLE ENERGY DISTRIBUTED GENERATION SYSTEMS[J]. 2025, 46(3): 199-206. DOI: 10.19912/j.0254-0096.tynxb.2023-1879.
RELIABILITY EVALUATION OF MULTI-STATE RENEWABLE ENERGY DISTRIBUTED GENERATION SYSTEMS
摘要
针对可再生能源发电系统可靠性建模中二值状态局限性的问题
根据发电系统输出功率和用户电力负载动态变化的特征
构建太阳能光伏发电系统、风力发电系统、用户电力负载相互交叉组合的多状态马尔可夫过程模型
运用聚合随机过程理论
推导出度量系统可靠性的两个重要指标:可用度和供电不足的平均时间。最后
通过数值算例验证模型的正确性和适用性。
Abstract
In order to overcome the limitation of binary state in reliability modeling of renewable energy power generation systems
Multi-state Markov process models are constructed for the cross combination of solar photovoltaic power generation system
wind power generation system
and user power load based on the characteristics of dynamic changes in output power and user power load of the power generation system. Two important reliability indexes
availability and loss of load expectation
are derived by employing aggregated stochastic process theory. Finally
the correctness and applicability of the model are verified by numerical examples. The results show that the proposed model can provide a good theoretical basis for the reliability modeling of renewable energy power generation systems
and a more accurate reliability evaluation of power supply systems can be also achieved by using the proposed model and techniques.
关键词
Keywords
references
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