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A method for obtaining medium and long-term trading operation plans of power systems considering the harmonious consumption of wind power

A power system and acquisition method technology, applied in system integration technology, information technology support system, computing, etc., can solve problems such as mathematical models that do not consider system fairness

Active Publication Date: 2016-06-08
XI AN JIAOTONG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, in the actual work of power companies, there is no mathematical model for the decision-making of medium and long-term transaction operation plans including wind power acceptance that considers system fairness

Method used

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  • A method for obtaining medium and long-term trading operation plans of power systems considering the harmonious consumption of wind power
  • A method for obtaining medium and long-term trading operation plans of power systems considering the harmonious consumption of wind power
  • A method for obtaining medium and long-term trading operation plans of power systems considering the harmonious consumption of wind power

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Experimental program
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Embodiment Construction

[0048] The present invention will be further described below in conjunction with accompanying drawing.

[0049] 1. Treatment of wind power in medium and long-term plans

[0050] On the premise that the safety constraints of the power grid can be satisfied, since wind power is a green and renewable energy source, it is a consensus to accept as much wind power as possible. Therefore, in the planning goal, there should be the goal of maximizing the amount of electricity consumed by wind power, as shown in the following formula Show:

[0051] Max F 2 = Σ t = 1 T P w , t

[0052] In the formula:

[0053] P w,t ——the wind power received by the system in the tth time period;

[0054] f 2 ——The total amount of electricity received by wind power; ...

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Abstract

The invention provides an electric system medium and long term transaction operation plan obtaining method taking wind electricity harmonic absorption into consideration. The consideration over the system fairness is achieved through the introduction of the thermal power generating unit nominal generated capacity and the thermal power generating unit nominal load rate, the harmonic absorption of the wind electricity is achieved through the method of the combination of the method of carrying out nominal generated capacity supplement on a thermal power generating unit through the wind electricity and the method for restraining the thermal power generating unit minimum nominal electricity generation load rate, a mathematical model taking the problems of the system fairness and the electric system medium and long term transaction operation plan including the wind electricity absorption into consideration is established on the basis of the harmonic absorption of the wind electricity, and a powerful guarantee is provided for formulating the medium and long term transaction and operation plan while the wind electricity absorption and the fairness of the system are taken into consideration.

Description

technical field [0001] The invention belongs to the field of medium and long-term decision-making plans of electric power companies, and in particular relates to the formulation of medium- and long-term transaction plans and operation plans including wind power acceptance in consideration of system fairness. Background technique [0002] In the day-ahead and real-time operation stages, due to limited adjustable resources, it is difficult to guarantee the full consumption of wind power in order to meet the backup requirements for safe operation of the power grid. In the medium and long-term operation planning stage, there are more means of optimal allocation, which can improve the acceptance level of clean energy through the coordination and optimization of various types of power generation resources and transmission resources in different time periods. On the other hand, the acceptance of wind power has damaged the economic benefits of traditional power sources, and may even...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/06
CPCY02E40/70Y04S10/50
Inventor 别朝红吕家君胡国伟陈天恩耿建
Owner XI AN JIAOTONG UNIV
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