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A wind farm power control method with constraints and multi-objective optimization

A multi-objective optimization and power control technology, applied in wind power generation, single-network parallel feed arrangement, etc., can solve problems such as not being able to simultaneously satisfy multi-task optimization, and achieve revenue optimization, benefit optimization, and optimized power output Effect

Active Publication Date: 2021-05-07
NARI NANJING CONTROL SYST +1
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Problems solved by technology

These allocation methods can only achieve one optimization goal at the same time due to the execution method, and cannot achieve the goal of simultaneously satisfying multi-task optimization

Method used

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  • A wind farm power control method with constraints and multi-objective optimization
  • A wind farm power control method with constraints and multi-objective optimization
  • A wind farm power control method with constraints and multi-objective optimization

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Embodiment Construction

[0056] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0057] Such as figure 1 As shown, the present invention provides a wind farm power control method with constraints and multi-objective optimization. According to the power demand issued by the dispatch and the optimization target of the wind farm, a multi-objective optimization function is established and the function is solved by a swarm intelligence algorithm to obtain the power output of the wind turbine. command, so that the total output of the wind farm power meets the requirements of the dispatch command, which specifically includes the following steps:

[0058] Step 1: Measure and obtain the current output power P of the wind farm real , the dispatching power target value P target , the...

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Abstract

The invention discloses a wind farm power control method with constraints and multi-objective optimization, comprising the following steps: step a, obtaining the actual output power P of the wind farm at the current moment real ; Step b, generate multi-objective optimization control command ν; Step c, determine the adjustable power constraint range of each fan; Step d, set the fan control efficiency matrix B; Step e, judge whether the power output command issued by the dispatch is executable, If it is executed, go to step f, otherwise return to step a; step f, establish an objective function J that contains constraints and can optimize multiple objectives at the same time; step g, use the swarm intelligence algorithm to solve the objective function J, and obtain the constraint conditions and optimization objectives at the same time The optimal solution u is used as the power output command of each wind turbine; step h, after the wind turbine unit executes the command action, return to step a. The invention provides a constrained multi-objective optimization wind farm power control method, which can simultaneously set up multiple optimization objectives and obtain an optimal power control scheme, so as to optimize the income obtained by the wind farm.

Description

technical field [0001] The invention relates to a method for controlling power of a constrained multi-objective optimized wind farm, which belongs to the technical field of wind power generation. Background technique [0002] In recent years, wind power has been vigorously developed as a renewable clean energy power generation. Wind power generation is random, intermittent, and uncontrollable. The large-scale access of wind power generation has a great impact on the safe operation of the power system. Among them, the power control problem has received a lot of attention, and it is also the most common problem in actual operation. one. [0003] According to the requirements of the "Technical Regulations for Connecting Wind Farms to Power Systems" issued by the State Grid Corporation of China, wind farms need to be able to control power output according to the instructions of the grid dispatching department. Therefore, how to effectively convert the dispatching instructions ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/46
CPCH02J3/46Y02E10/76
Inventor 黄勇郭梦旭黄宝成李洪军成月良王伟林权叶海瑞
Owner NARI NANJING CONTROL SYST
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