提出了基于气隙转矩的鼠笼异步电动机转子断条故障在线监测方法。
The method of rotor broken bars on-line monitoring in induction motor based on the air-gap torque is proposed.
介绍了气隙转矩法的工作原理,给出了通风机效率现场测试系统的硬件组成,并阐述了效率测试过程。
Has introduced the principle of the air-gap torque method, give the hardware of the ventilator efficiency testing system and illustrated the efficiency testing process.
通过对气隙转矩的计算处理,利用小波脊线提取气隙转矩中转子断条故障特征频率分量,克服了分析定子电流信号时的不足,实现了电机转子断条故障的在线监测。
The broken bars faulty can be on-line monitored by extracting feature component based on wavelet ridge. Calculation of air-gap torque overcomes the disadvantages which based on current signal.
实现了一种基于转矩绕组气隙磁场定向控制的无轴承异步电机控制系统。
A control system of bearingless induction motor based on torque winding air gap field oriented vector control is accomplished.
探讨了磁极数、气隙、永磁材料、工作温度、退磁和屏蔽罩对永磁齿轮传递最大转矩的影响。
The influence on the maximum transmittable torque from the number of magnetic poles, air gap, permanent materials, operating temperature, demagnetization and magnetic masking is studied.
计算了对应不同转子位置的空载气隙磁场分布,求出了静转矩特性和平衡头最高工作转速。
After calculating no load gap magnetic fields according to different rotor positions, static torque characteristics and highest working speed are worked out.
实现了一种基于转矩绕组气隙磁场定向控制的无轴承异步电机控制系统。
A control system of bearing less induction motor based on torque winding air gap field oriented vector control is accomplished.
步进电动机象同步电动机一样,在负载转矩的作用下,转子磁极中心线将滞后于气隙磁场的中心线一个角度,称为失调角。
Like synchronous motor, rotor magnetic pole center line could lagged behind an Angle of that of air-gap magnetic field under the function of load torque (called angular displacement).
构造考虑齿槽效应的气隙相对磁导函数,计算出气隙磁通密度,进而用麦克斯韦应力张量法计算出电机的磁阻转矩。
The effect of stator slotting being taken into consideration, the air gap relative permeance functions are derived and the flux density in air gap are computed.
本文在气隙磁场解析计算的基础上,对引起永磁电机转矩波动的各个因素进行了深入的分析和计算。
The analysis of magnetic field in the gap is based on the calculation of torque ripple caused by various factors in-depth analysis and calculation.
探讨了电机的气隙长度,定子极弧角度、定子轭厚等结构参数对电机转矩特性的影响。
The influences of gap length, polar arc and thick of stator yoke on electromagnetic torque are discussed.
探讨了电机的气隙长度,定子极弧角度、定子轭厚等结构参数对电机转矩特性的影响。
The influences of gap length, polar arc and thick of stator yoke on electromagnetic torque are discussed.
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