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Investment portfolio based wind power energy allocation model
Published:2018-01-11 author:WANG Wan lu1, Huang Xin ying2, YANG Li1, LIN Zhen zhi1 Browse: 3010 Check PDF documents
                                           Investment portfolio based wind power energy allocation model
                                             WANG Wan lu1, Huang Xin ying2, YANG Li1, LIN Zhen zhi1
(1.College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China;2.Zhejiang Huayan Electric Power Engineering Design Consulting Company Limited, Hangzhou 310006, China)


Abstract: Aiming at the problem of wind power energy allocation in electricity market under the market mechanism of combining fixed price and subsidy, a multilevel market power allocation model with different time scales to deal with the uncertainty of electricity price by portfolio theory was proposed. The influence of uncertainty of wind power output was processed by scenario method. The model was used to calculate the proportion of the total electricity supply in the contract market, the monthly market, the day ahead market and the real time market. The market mechanism was analyzed according to the wind power supplier’s participation in the electricity market. The results indicate that the proposed model can make the wind power supplier with different risk preferences better balance the gains and risks. The premium subsidy in the market mechanism is very obvious to the wind power suppliers to participate in the electricity market, and how to set a reasonable proportion of subsidy is the key to guide the wind power supplier to participate the electricity market.

Key words: wind power accommodation; uncertainty; power market; energy allocation; scenario method; portfolio theory
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