虚拟电流注入法在线补偿转子位置估算误差

TM921.51; 旋转高频注入法能估计永磁同步电机零速和低速时的转子位置,但在转子磁极位置解调过程中滤波器的使用会带来较大估算误差.提出虚拟电流注入法来在线补偿转子位置误差,基于估算的转速,构造与负序响应电流同频率的虚拟电流,经过与负序电流完全相同的解调,得到的虚拟电流相位与解调前相位的差值补偿估算的转子位置.分析比较了注入旋转电压导致的实际转速波动和正序响应电流引起的估算转速波动对误差补偿效果的影响,并利用低通滤波器来改善补偿效果.仿真和实验验证了所提方法在电机处于不同状态时对转子位置误差补偿的效果....

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Published in国防科技大学学报 Vol. 43; no. 4; pp. 94 - 101
Main Authors 彭威, 乔鸣忠, 蒋超, 高键鑫, 卢希浩
Format Journal Article
LanguageChinese
Published 海军工程大学电气工程学院,湖北武汉 430033 28.08.2021
Subjects
旋转高频注入;转子位置估算误差;虚拟电流注入;在线误差补偿
Online AccessGet full text
ISSN1001-2486
DOI10.11887/j.cn.202104012

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Abstract TM921.51; 旋转高频注入法能估计永磁同步电机零速和低速时的转子位置,但在转子磁极位置解调过程中滤波器的使用会带来较大估算误差.提出虚拟电流注入法来在线补偿转子位置误差,基于估算的转速,构造与负序响应电流同频率的虚拟电流,经过与负序电流完全相同的解调,得到的虚拟电流相位与解调前相位的差值补偿估算的转子位置.分析比较了注入旋转电压导致的实际转速波动和正序响应电流引起的估算转速波动对误差补偿效果的影响,并利用低通滤波器来改善补偿效果.仿真和实验验证了所提方法在电机处于不同状态时对转子位置误差补偿的效果.
AbstractList TM921.51; 旋转高频注入法能估计永磁同步电机零速和低速时的转子位置,但在转子磁极位置解调过程中滤波器的使用会带来较大估算误差.提出虚拟电流注入法来在线补偿转子位置误差,基于估算的转速,构造与负序响应电流同频率的虚拟电流,经过与负序电流完全相同的解调,得到的虚拟电流相位与解调前相位的差值补偿估算的转子位置.分析比较了注入旋转电压导致的实际转速波动和正序响应电流引起的估算转速波动对误差补偿效果的影响,并利用低通滤波器来改善补偿效果.仿真和实验验证了所提方法在电机处于不同状态时对转子位置误差补偿的效果.
Author 乔鸣忠
高键鑫
蒋超
卢希浩
彭威
AuthorAffiliation 海军工程大学电气工程学院,湖北武汉 430033
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JIANG Chao
QIAO Mingzhong
GAO Jianxin
PENG Wei
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Snippet TM921.51; 旋转高频注入法能估计永磁同步电机零速和低速时的转子位置,但在转子磁极位置解调过程中滤波器的使用会带来较大估算误差.提出虚拟电流注入法来在线补偿转子位置...
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Title 虚拟电流注入法在线补偿转子位置估算误差
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