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An optimization method for retailer's electricity purchase and sale strategy considering bilateral transactions

A retailer, bilateral technology used in marketing, instrumentation, data processing applications, etc.

Active Publication Date: 2018-03-23
ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to propose an optimization method for the retailer’s electricity purchase and sale strategy considering bilateral transactions. The present invention solves how the retailer formulates a bilateral contract purchase decision in the medium-term plan and Two questions about electricity sales price

Method used

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  • An optimization method for retailer's electricity purchase and sale strategy considering bilateral transactions
  • An optimization method for retailer's electricity purchase and sale strategy considering bilateral transactions
  • An optimization method for retailer's electricity purchase and sale strategy considering bilateral transactions

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0305] Example 1: Taking short-term planning as an example, study the electricity purchase and sale behavior of retailers considering bilateral transactions. Assuming that the planning cycle is two hours, there are two bilateral contracts to choose from, and the retailer's signature is valid at any time, and the bilateral contract curve of each contract includes two stages. Table 1 gives the detailed parameters of each contract, including contract electricity price, available capacity, etc.

[0306] Table 1 Bilateral Contract Curve Information

[0307]

[0308] Set the spot market price and user demand as four scenarios, and the probability of occurrence of each scenario is equal. Consider only one user base. Table 2 lists user demand and spot market prices for each period and scenario.

[0309] Table 2 User load demand and spot market price information

[0310]

[0311] The example contains three retailers, one of which is the research object (retailer A), and the o...

Embodiment 2

[0329] Example 2: Based on the actual situation of a certain place, the retailer's electricity purchase and sale optimization strategy considering bilateral contracts is studied. The planning cycle is one year, and the whole year is divided into 72 periods, that is, each month is divided into 6 periods. The six time periods are Monday off-peak hours, Monday peak hours, other weekday off-peak hours, other weekday peak hours, weekend off-peak hours, and weekend peak hours. The peak hours are {11, 12, 13, 14, 19, 20, 21, 22}; other periods are off-peak periods.

[0330] There are three user groups, namely residential users, commercial users and industrial users. Table 9 lists the characteristics of the three user groups. figure 1 is the differential electricity price of retailer A to the three user groups. The spot market price and user demand are simulated by matlab using the data of the past 5 years.

[0331] Table 9 User Group Information

[0332]

[0333] Assume that t...

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Abstract

The invention discloses a retailer power purchase and sale policy optimization method considering bilateral trade. According to the method, an optical retailer power purchase and sale decision is studied through a bi-level programming model; firstly, an optical programming model of retailers and an optical programming model of a user group are established respectively, and then the complete bi-level programming model involving two interested parties of the retailers and the user group is established. According to the method, a reference is provided for the retailers to formulate a bilateral contract purchase decision and a power sale price policy in a medium-term planning, the retailers can adjust the bilateral contract power purchase quantity and power sale price according to risk intensity capable of being borne by the retailers, the optical power purchase and sale policy considering a bilateral contract is formulated, power utilization reliability of users is guaranteed, the price formulated by the retailers is competitive, and market shares of the retailers are guaranteed.

Description

technical field [0001] The invention is an optimization method of a retailer's electricity purchase and sale strategy considering bilateral transactions, and belongs to the innovative technology in the field of electricity market and economy. Background technique [0002] Retailers are the link between users and the electricity market. On the one hand, retailers need to purchase electricity in the electricity market, and on the other hand, retailers sell the purchased electricity to users in a market full of competition. In the electricity market, retailers are always faced with the following two problems: 1) When making electricity purchase decisions, retailers face the risks brought about by price fluctuations in the electricity market; 2) In electricity sales, retailers need to To cope with the uncertainty of user load demand, at the same time, it is necessary to ensure the competitiveness of electricity sales and electricity prices to win more users, thereby striving for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q30/02G06Q50/06
CPCG06Q10/04G06Q30/0201G06Q50/06
Inventor 陈政欧鹏曾鸣冷媛蒙文川张翔宋艺航杨惠萍欧阳邵杰李春雪史慧
Owner ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD
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