轮缘推进电机失磁故障特征量分析  

Analysis of characteristic quantity of flux loss fault of flange propulsion motor

作　　者：匡恒 于留洋 王雅楠 Kuang Heng;Yu Liuyang;Wang Yanan(Wuhan Institute of Marine Electric Propulsion,Wuhan 430064)

机构地区：[1]武汉船用电力推进装置研究所,武汉430064

出　　处：《船电技术》2023年第6期106-109,共4页Marine Electric & Electronic Engineering

摘　　要：针对轮缘推进电机转子永磁体受到高温或者机械振动等因素影响时将发生不可逆失磁故障,本文以一台80 kW的轮缘推进电机模拟了电机每块永磁体均匀失磁的故障,建立了电机的二维瞬态电磁场有限元模型,根据电机在健康状态和不同失磁故障下的运行工况,揭示了电机失磁前后运行时内部的磁场变化,计算了电机在健康状态和失磁下的运行参数,通过分析对比数据得到了不同程度失磁故障的特征量变化规律。Aiming at the irreversible demagnetization of rotor permanent magnet of rim-driven propulsion motor when it is affected by high temperature or mechanical vibration and other factors,this paper uses an 80kW rim-driven propulsion motor to simulate the uniform demagnetization of each permanent magnet of the motor,and establishes a two-dimensional transient electromagnetic field finite element model of the motor.According to the operation conditions of the motor under the condition of health and different demagnetization faults,the internal magnetic field changes of the motor before and after demagnetization are revealed.The operating parameters of the motor in the health state and under demagnetization are calculated.The characteristic variation rules of the fault with different degrees of demagnetization are obtained by analyzing the comparative data.

关 键 词：轮缘推进电机 失磁故障 电磁特性 

分 类 号：U665.11[交通运输工程—船舶及航道工程]