期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 56, 期 3, 页码 2348-2359出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2020.2974435
关键词
Flexibility; fuzzy analytic hierarchy process (FAHP); index; renewable energy (RE); unit scheduling
资金
- Ministry of Science and Technology (MOST) of Taiwan [108-2622-E-194-006-CC3]
The penetration of renewable energy is gradually increasing. Therefore, power system flexibility, which is required to maintain system security and to cope with renewable generation uncertainty, becomes more important. Various technologies, such as flexible generators, demand management, energy storage, network reconfiguration, and even efficient system operations, are capable of improving power system flexibility. Nevertheless, among them, flexible generation resources can provide a direct way to enhance the power system flexibility. This article first applies the fuzzy analytic hierarchy process to calculate the flexibility index of generation resources. Then, the process of unit scheduling is implemented under various operation scenarios to investigate the relationship between the generation flexibility and the cost of unit scheduling. Finally, the required flexibility and the corresponding capacity of flexible generators under a specified penetration of renewable power generation are investigated under different operation scenarios.
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