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Control method and system of permanent magnet wind generating set based on Harlisia eagle algorithm

A technology of a wind turbine generator set and a control method, which is applied in the directions of motor generator control, control system, vector control system, etc., can solve the problem that the maximum power point tracking of wind power generation cannot be well realized.

Active Publication Date: 2022-04-12
BEIFANG UNIV OF NATITIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, none of these swarm intelligence algorithms can achieve the maximum power point tracking of wind power generation well.

Method used

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  • Control method and system of permanent magnet wind generating set based on Harlisia eagle algorithm
  • Control method and system of permanent magnet wind generating set based on Harlisia eagle algorithm
  • Control method and system of permanent magnet wind generating set based on Harlisia eagle algorithm

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Embodiment 1

[0114] see figure 1 and Figure 4 , the present invention provides a kind of control method based on the Harris Eagle algorithm permanent magnet wind turbine, the method comprises the following steps:

[0115] S1: Obtain the optimal angular velocity given value of the permanent magnet synchronous motor and the actual angular velocity of the permanent magnet synchronous motor, the optimal angular velocity given value is a value obtained according to Bezier theory;

[0116] S2: Making a difference between the optimal angular velocity given value and the actual angular velocity to obtain an angular velocity difference;

[0117] S3: Obtain the calculation formula of the torque current given value according to the angular velocity difference, so that the angular velocity difference tends to 0, and the calculation formula of the torque current given value is a function related to the parameter to be identified ; The parameters to be identified include moment of inertia, coefficient ...

Embodiment 2

[0194] see Figure 5 , the present invention also provides a kind of control system based on the Harris Eagle algorithm permanent magnet wind-driven generator set, and this system comprises:

[0195] The angular velocity acquisition mode, 1, is used to obtain the optimum angular velocity given value of the permanent magnet synchronous motor and the actual angular velocity of the permanent magnet synchronous motor, and the optimum angular velocity given value is a value obtained according to Bezier theory;

[0196] A difference module 2, configured to make a difference between the optimal angular velocity given value and the actual angular velocity to obtain an angular velocity difference;

[0197] The torque current given value formula acquisition module 3 is used to obtain the calculation formula of the torque current given value according to the angular velocity difference, so that the angular velocity difference tends to 0, and the torque current given value The calculatio...

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Abstract

The invention relates to a control method and system of a permanent magnet wind generating set based on a Harlisia eagle algorithm. The method comprises the following steps: determining an objective function and parameters to be identified, introducing the Harlisia eagle algorithm to achieve an optimal solution, outputting unknown parameters for identifying the permanent magnet synchronous motor, obtaining a value of the objective function according to the parameters obtained by identifying the Harlisia eagle algorithm, obtaining an output voltage value through PI control, performing PWM modulation on the output voltage value, and generating a driving signal. And inputting the driving signal into a rectifier for rectification, and controlling the rotating speed of the permanent magnet synchronous motor according to a rectification result. According to the invention, the maximum power point of wind power generation can be tracked, and the problem that the control effect of a speed regulation system is influenced by the stator resistance, the viscous friction coefficient, the rotational inertia, the inductance, the permanent magnetic flux and the load torque change of the motor in the operation process of the permanent magnet synchronous motor can be solved under the high-voltage high-power generation topology.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a control method and system for a permanent magnet wind power generating set based on the Harris Eagle algorithm. Background technique [0002] As one of the power generation methods with the most mature technology, large-scale development and commercial prospects in the new energy development technology in the world today, wind power generation has attracted more and more attention from all countries in the world and has been widely developed and applied. The speed tracking and current tracking of permanent magnet synchronous motors are very important for the simulation, design, evaluation, control and optimization of permanent magnet wind turbines, so the speed tracking and current tracking of permanent magnet synchronous motors have received extensive attention. [0003] As we all know, the swarm intelligence optimization algorithm simulates the swarm intelligenc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P21/00H02P21/22H02P25/024H02P27/08G06F17/18G06N3/00G06Q50/06
CPCY02E10/72
Inventor 王君瑞王丽宝乔煊景郭腾白冰超
Owner BEIFANG UNIV OF NATITIES
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