TITLE

The Reserve Capacity Model Based on the Idea of Scenario in Power System

AUTHOR(S)
Zheng Xiaoli; Liu Jichun; Li Jiayi; Wu Yunxia; Zhang Fang; Chen Honghui; An xiangyang; He Chen
PUB. DATE
August 2014
SOURCE
Advanced Materials Research;2014, Vol. 1008-1009, p173
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
According to the impact of the wind power prediction uncertainty on the power system reserve capacity, the idea of scenario is introduced to the stochastic programming model. The method of scenario is used to simulate the uncertainty model of the wind power generation, load and the conventional units. The scenario-reduction methodology is combined to reduce the large scenario set to a simpler one, then the probability statistics on these scenarios is given in order to obtain the probability density of the system power difference, and the expected energy not supplied (EENS) and expected wind waste risk (EWWR) are presented. The reserve capacity is determined by the two aspects, which are the reliability shown by EENS and EWWR, and the economy of reserve capacity cost. Finally, simulations on a ten-unit system are given to demonstrate the method is effective to reduce the cost of reserve and the abandoned wind power in the context of system reliability.
ACCESSION #
99604404

 

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