单相功率变换器的电网同步技术分析  

Analysis of Grid Synchronization Technology for Single-phase Power Converter

作　　者：谢江涛 XIE Jiangtao(Changsha University of Technology,School of Electrical and Information Engineering,Hunan 410114,China)

机构地区：[1]长沙理工大学,电气与信息工程学院,湖南410114

出　　处：《集成电路应用》2022年第11期72-75,共4页Application of IC

摘　　要：阐述单相功率变换器的电网同步技术,包括四类单相锁相环技术,锁相环的工作原理、传递函数、工作特性、对系统的抗干扰能力、动态响应特性,运用Matlab仿真模拟,对比在添加谐波前后各类锁相环的锁相效果。This paper describes the grid synchronization technology of single-phase power converter, including four types of single-phase phase-locked loop technology, the working principle, transfer function, operating characteristics, anti-interference ability to the system, and dynamic response characteristics of the phase-locked loop. Matlab simulation is used to compare the phaselocked effects of various phase-locked loops before and after adding harmonics.

关 键 词：单相功率变换器 锁相环 单相变量输入 虚拟两相正交 

分 类 号：TM461[电气工程—电器]