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A cross-provincial and cross-regional transaction optimization method based on financial path optimization

An optimization method and path optimization technology, applied in the direction of instruments, data processing applications, forecasting, etc., can solve the problems of unable to realize automatic path search and relying on manual experience, etc.

Active Publication Date: 2017-06-23
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When organizing cross-provincial and cross-regional transactions, complex factors such as transmission network loss and transshipment network loss need to be considered. At present, automatic path search cannot be realized, and only a few commonly used transaction paths can be fixed by relying on manual experience.

Method used

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  • A cross-provincial and cross-regional transaction optimization method based on financial path optimization
  • A cross-provincial and cross-regional transaction optimization method based on financial path optimization
  • A cross-provincial and cross-regional transaction optimization method based on financial path optimization

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Experimental program
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Effect test

Embodiment

[0095] Assume that a cross-provincial and cross-regional transaction is organized, 13 provincial companies declare electricity sales and electricity sales prices, 8 provincial companies declare electricity purchase demand and electricity purchase prices, and two provincial companies have no electricity purchase or sale demand, only Participate in transshipment. The 13 provincial companies selling electricity and the 8 provincial companies purchasing electricity can also participate in the transfer. According to the calculation of the maximum overall benefit optimization goal, the declared power data of the 23 provincial companies and the power price data of each company (all data are only test data) Table 1 below:

[0096] Table 1 The declared power data of 23 provincial companies and the power price data of each company

[0097]

[0098] The transmission limit of the transmission channel is as follows in Table 2:

[0099] Table 2 Transmission limit of power transmission ...

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Abstract

The invention relates to an optimization method in the electric power automation field, in particular to a trans-provincial and trans-regional transaction optimization method based on financial path optimization. The trans-provincial and trans-regional transaction optimization method based on financial path optimization includes the steps that (1) a power network simplification physical model is established; (2) a financial path model is established with power transmission network loss and transfer network loss considered; (3) constraint conditions for trans-provincial and trans-regional transactions are established; (4) a benefit maximization target function is established; (5) the optimization results of the trans-provincial and trans-regional transactions are determined, and a financial path is automatically searched for. According to the method, on the basis of consideration of the transmission capacity of a physical channel, financial cost caused by power transmission network loss of a power network, trans-provincial and trans-regional transfer network loss and the like is increased, and a trans-provincial and trans-regional transaction financial path covering multiple buyers and multiple sellers within a wide range can be automatically selected and searched for in an optimized mode.

Description

technical field [0001] The invention relates to an optimization method in the field of electric power automation, in particular to a cross-province and cross-region transaction optimization method based on financial path optimization. Background technique [0002] my country has a vast territory, and the energy difference between the east and west has led to the characteristics of "power transmission from west to east" in my country's power supply and demand, and the differences in economic development between provinces have also led to the widespread phenomenon of cross-provincial power transactions. Inter-provincial power trading plays a good role in regulating long-distance and large-scale power surpluses and shortages. At the same time, it can strengthen mutual supply and power support between regions and provinces, thereby ensuring reliable power supply. In recent years, the company has effectively alleviated the contradiction between power supply and demand in differen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
Inventor 程海花郑亚先薛必克耿建杨争林黄军高赵彤李峰
Owner STATE GRID CORP OF CHINA
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