Direct-Purchase User is introduced as a trade framework to break monopoly and promote competition. Direct-Purchase User could substantially transform the existing purchasing models, distribute market risk, and further improve the electricity market. In actual practices, however, the allocation of transmission loss is a complicate and controversial issue in spotlight, as it involves the interests among electricity providers and the interests between providers and users. Therefore, proper application of transmission loss allocation methods in Direct-Purchase User has important and practical values.The paper discussed some characteristic of direct-Purchase User according to the current instance; the allocation theroy of transmission loss and several methods were also stated. Then the new method of power flow tracking used for the allocation of transmission loss was given in the paper... |