| The direct power-purchase pattern for large user is a new purchase pattern during the reform of electric marketization in China. Not only can it mine the potential power market, but it could introduce the competition mechanism on the side of sale, perfect the mechanism of electric pricing and reasonably assemble the power resources on the base of price.Reference to the experiments of international direct power-purchase patterns and the revolution direction of Chinese electric market, the paper studies some important and hard problems in the pattern of direct power-purchase for large user, which include the relationship of the direct power-purchase pattern and power-grid safety, the problems of large user's recently list price, the congestion management and congestion cost distribution, the wheeling cost of direct power-purchase, the economic comparison between the direct power-purchase pattern and the construction of the self-supply power plant for large user, the management of supervision, credit and balancing the account. The research and its conclusions in this paper on direct power-purchase for large user will provide a beneficial reference to developing and extensive application of the direct power-purchase pattern for large user in China.Xiang Zhen(Management Science and Engineering) Directed by prof. Qi Jianxun... |