Research on Dynamic Mathematical Model and Simulation of Wind Power Pitch Control System Based on Matlab Simulink

doi:10.11985/2019.02.012

Abstract

Abstract:

The dynamic mathematical model and system control block diagram of each subsystem of the wind power pitch control system are introduced in detail. The system simulation model based on Matlab Simulink is built. From the fan position command to the speed command, then to the current command, and finally through servo drive to control the pitch motor, so that the blade turning to the corresponding position. A simulation method for studying the control principle of pitch control system is introduced. The simulation gives step signal to analyze the acceleration and deceleration process of pitch motor, and periodic sine wave signal to analyze the position following performance of pitch system. The simulation results verify the correctness of the dynamic mathematical model. The establishment of simulation model and the debugging of simulation parameters are of great significance to the study of control strategy of actual pitch control system.

Key words: Wind power, pitch control, mathematical model, simulation, parameter debugging

CLC Number:

TP13
TM315

PEI Lina,SUN Dongxu. Research on Dynamic Mathematical Model and Simulation of Wind Power Pitch Control System Based on Matlab Simulink[J]. Journal of Electrical Engineering, 2019, 14(2): 66-70.

Figures/Tables 7

References 11

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名称	数值
相电感/H	0.000 94
相电阻/Ω	0.026
转动惯量/(kg·m²)	0.072
额定电压/V	220
额定转速/(r/min)	2 000
额定电流/A	53.5

名称	数值
位置环	K_p=7,K_i=1
速度环	K_p=20, K_i=1
电流环	K_p=5, K_i=23

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