[1]朱英杰,李翔峰,宁穆怡,等.永磁同步发电机失磁故障振动场研究[J].机械与电子,2025,(03):16-21.
　ZHU Yingjie,LI Xiangfeng,NING Muyi,et al.Research on Vibration Field of PMSG Demagnetization Fault[J].Machinery & Electronics,2025,(03):16-21.
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永磁同步发电机失磁故障振动场研究()
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《机械与电子》[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2025年03期
页码:
16-21
栏目:
研究与设计
出版日期:
2025-03-25

文章信息/Info

Title:
Research on Vibration Field of PMSG Demagnetization Fault
文章编号:
1001-2257 ( 2025 ) 03-0016-06
作者:
朱英杰 1 ; 李翔峰 2 ; 宁穆怡 2 ; 张志艳 2 ; 贾宛英 2
1. 南京电力设计研究院有限公司,江苏 南京 210009 ;
2. 郑州轻工业大学电气信息工程学院,河南 郑州 450002
Author(s):
ZHU Yingjie1 ;  LI Xiangfeng2 ;  NING Muyi2 ;  ZHANG Zhiyan2 ;  JIA Wanying2
( 1.Nanjing Electric Power Design Institute Co. , Ltd. , Nanjing 210009 , China ;
2.School of Electrical and Information Engineering , Zhengzhou University of Light Industry , Zhengzhou 450002 , China )
关键词:
永磁同步发电机; 失磁故障; 振动场; 等效辐射声功率
Keywords:
PMSG ;  demagnetization fault ;  vibration field ;  equivalent radiated sound power
分类号:
TM341
文献标志码:
A
摘要:
永磁同步发电机( PMSG )易受工作环境影响发生失磁故障,致使其运行在非正常状态。以 1 台 1 kW 、 12 极的 PMSG 为样机,对不同失磁故障工况的振动场进行研究。首先,推导了 PMSG 失磁故障下电磁场径向电磁力和振动场辐射噪声的数学模型,设置了不同程度失磁故障方案。其次,建立了 PMSG 二维电磁场仿真模型,分析了气隙磁密分布,求解了径向电磁力。最后,建立了 PMSG 三维振动场仿真模型,以径向电磁力为激励,得到了不同程度失磁故障的形变辐值、振动速度和等效辐射声功率。仿真结果表明:PMSG 永磁体单块失磁故障时,径向电磁力畸变程度、振动速度和等效辐射声功率幅值均最大;永磁体对称失磁时,振动噪声接近于正常工况;永磁体均匀失磁时,振动噪声幅值最低。
Abstract:
Permanent Magnet Synchronous Generator ( PMSG ) is susceptible to demagnetization faults caused by the working environment , resulting in abnormal operation.This paper takes a 1 kW , 12 pole PMSG as a prototype to study the vibration field under different demagnetization fault conditions.Firstly , a mathematical model is derived for the radial electromagnetic force and radiated noise of the electromag- netic field and vibration field under the PMSG demagnetization fault , and the different degrees of demagnetization fault schemes are set up.Secondly , a two dimensional electromagnetic field simulation model of the PMSG is established to analyze the distribution of air gap magnetic density and solve the problem of radial electromagnetic force.Finally , a three dimensional vibration field simulation model of the PMSG is established , and radial electromagnetic force is used as the excitation to obtain the deformation amplitude , vibration velocity and equivalent radiated sound power of different demagnetization faults.The simulation results show that when it comes to the single permanent magnet demagnetization fault of the PMSG , the degree of radial electromagnetic force distortion , vibration velocity , and equivalent radiated sound power amplitude are all maximized ; when it comes to the permanent magnet demagnetization symmetry fault of the PMSG , the vibration noise is close to normal operating conditions ; when the permanent magnet of the PMSG is uniformly demagnetized , the amplitude of vibration noise is the lowest.

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备注/Memo

备注/Memo:
收稿日期: 2024-08-01
基金项目:河南省科技攻关项目( 242102241030 , 222102320074 )
作者简介:朱英杰 ( 1976- ),男,山东菏泽人,硕士,研究方向为电力系统规划设计。
更新日期/Last Update: 2025-04-07