基于让利和索利价格排序的大用户直购电集中撮合交易方法

Multilateral Matchmaking Transaction Method for Direct Power Purchase of Large Consumers Based on Ranking of Undercut Prices to Selling Offers and Buying Offers

电力市场可以通过用电企业和发电企业的双向报价以多边集中撮合交易的形式进行大用户直购电。采取何种报价方式和交易规则进行大用户直购电更易于体现公平竞争和调动市场成员参与交易的积极性,是目前亟需研究和加以解决的问题。提出了一种以发电企业让利价格幅度和用电企业索利价格幅度排序为基础的交易方式,给出了具体的交易和结算规则。通过分析算例并与现行的以实际报价为排序基础的交易方式的结果进行比较,指出文中的方法更能体现交易的公平性,并使发、供、用方共赢。

In electricity market by means of bi-directional quotation between power consumption enterprise and power generation company the direct power purchase of big consumer is implemented in the form of multi-lateral matchmaking transaction. At present, in order to incarnate fair competition and to drive market members＇ enthusiasm of participating transaction much easier, it is a pressing problem to be research and solved to adopt what kind of quotation mode and transaction rule for direct power purchase of big consumer. In this paper a transaction mode based on the raking of undercut price range to selling offers and buying offers is proposed, and concrete transaction and pay-off rules are given. Analysis on the results of calculation example and comparison of the calculation results with the results of current transaction mode that takes practical quotation as the basis of ranking show that the proposed method can incarnate the fairness of transaction and make power generation company, power suppliers and big consumers gaining profit together .