基于异步发电机系统的双派克锁相环Matlab仿真  

Simulation of double dq synchronous reference frame transformation PLL in SEIG System Based on Matlab

作　　者：刘国壮 Liu Guozhuang(Qingdao University,Qingdao Shandong,266071)

机构地区：[1]青岛大学,山东青岛266071

出　　处：《电子测试》2018年第17期8-11,共4页Electronic Test

摘　　要：本文研究一种采用双派克变换算法以实现自解耦的三相电压锁相环(PLL),用于跟踪异步发电机端电压的相位和基波频率。分析了SEIG的拓扑结构和自励建压过程,在锁相环节,使用双dq算法代替传统dq坐标变换算法,以增强锁相环的精度及响应速率。应用Matlab/Simulink工具箱创建SEIG—PLL系统模型,仿真结果表明本文提出的双dq锁相环可对机端电压进行准确的频率和相位锁定,达到了预期的锁相效果。In this paper,we study a three-phase voltage phase-locked loop(PLL)using a dual Parker transform algorithm to achieve self-decoupling,which is used to track the phase and fundamental frequency of the asynchronous generator terminal voltage.The topology and self-excitation process of SEIG are analyzed.In the phase-locked link,the dual dq algorithm is used to replace the traditional dq coordinate transformation algorithm to enhance the accuracy and response rate of the phase-locked loop.The SEIG-PLL system model is created by Matlab/Simulink toolbox.The simulation results show that the dual dq phase-locked loop proposed in this paper can accurately lock the frequency and phase of the terminal voltage and achieve the expected phase-locking effect.

关 键 词：自励异步发电机 锁相环 双派克变换 SIMULINK仿真 

分 类 号：TN911.8[电子电信—通信与信息系统] TM31[电子电信—信息与通信工程]