Based on the electro-technology theory,this study defines the ratio of maximum torque Tm to starting torque Tst as the starting modulusλst,and reaches a conclusion that X20 can be calculated by using the rotor phase resistance r2 and the starting modulus A,,.
针对异步电动机转子相电阻r2容易测量,而转子相感抗X20不易测得,且尚无计算X20关系式的现状,以电工理论为基础,定义电机最大转矩Tm和起动转矩Tst的比值为启动系数λst,分析得出了用转子相电阻r2和启动系数λst计算X20的公式。
A maximum-torque slip frequency control method is proposed to meet the requirements of mining locomotives and remedys the weaknesses of traditional slip fre quency control such as the PI parameters are hard to determine,the current-slip curve is hard to realize by MCU and the maximum torque can not be obtained.
在分析和比较现有交流牵引驱动系统的控制方法的基础上,针对窄轨电机车的实际工程需求,提出了具有最大转矩输出能力的改进型转差频率控制方法。
The circular graph which comes from circular theory and motor equivalent diagram,shows running characteristic clearly and to determine motor parameter via geometric relations:such as losses,efficiency, maximum torque and so on.
由圆图分析法结合异步电机Γ型等效电路图推广而来的电机圆图,可以很形象地表明电机运行特性以及通过几何关系间接地确定电机的某些性能,如损耗、效率、最大转矩等,但作图较为繁琐而且精确度受影响。
This paper studies how to improve the breakdown torque of a.
研究如何提高交流变频电机的最大转矩的问题,提出了一种通过改变电机转子槽形 来提高最大转矩的方法。
In this paper, the factors that can influence starting torque, starting current, breakdown torque and min.
利用电机学理论分析了影响电机起动转矩、起动电流、最大转矩和最小转矩的因
Effects of the variation of main parameters of the spheri-cal motor on the electromagnetic torque were analyzeda,nd the variation rules of the maximum static torque(MST)of the motor with the length of stator polest,he radius of the stator iron core,PM content coefficienta,mpere turns of windings and the air gap length were obtained respectively.
系统地分析了球形电机主要参数的变化对电机转矩的影响,得到了永磁球形电动机最大静转矩随定子极高度、定子铁心半径、永磁含量系数、线圈安匝数以及气隙长度等参数的变化规律。
The Maximum Torque per Ampere Control of Permanent Magnet Synchronous Motor
永磁同步电动机最大转矩电流比控制
Maximum Torque per Ampere Control in Permanent Magnet Synchronous Motor Direct Torque Control Driving System
永磁同步电动机直接转矩控制系统的最大转矩电流比控制
Study on Novel Maximum-torque Slip Frequency Control Technology
基于最大转矩输出的改进型转差频率控制技术
Principle of Maximum Torque Calculation from Circular Graph
圆图计算法求取电机最大转矩原理分析
Maximum Torque per Ampere Control Strategy Based on Space Vector for Induction Motors
基于空间电压矢量的感应电机每安培最大转矩控制
Research and Simulation of Maximum Torque/Current Control for Permanent Magnet Synchronous Motor used in Electric Vehicle;
电动汽车用永磁同步电机最大转矩/电流控制研究与仿真
Research on AC Servo System Maximum Ratio of Torque to Current Control Based on DSP
基于DSP的交流伺服系统最大转矩电流比控制的研究
Permanent magnet synchronous motor maximum torque per ampere control based on feedback dissipative realization
基于反馈耗散方法的永磁同步电机最大转矩/电流控制
steering gear max. Output torque
转向器最大输出扭矩
Method for calculating maximum tractive torque of tracked vehicle while steering
履带车辆转向时最大驱动力矩的计算
Maximum Torque Control Strategy in Field-Weakening Region of Induction Motors for Electric Vehicles
电动汽车用感应电机弱磁区电磁转矩最大化控制
drive axle maximum input torque
驱动桥最大输入扭矩
minimum advance for best torque (MBT)
最大扭矩的最小点火提前角
A Matrix Method for Greatest Common Factor and Least Common Multiple;
最大公因数与最小公倍数的矩阵求法
static torque calibuation stand
转矩[扭矩] 静校台
Whatever these turnable parts require a strong stand to aial radial load and tilting moment, this rotary kind of slewing ring will be your best choice.
这种支承受轴向力、倾翻力矩且两大部分需相对旋转的机械最理想的配套件。
The Largest Eigenvalue of the Quasi-Laplacian Matrix of a Connected Graph
连通图拟拉普拉斯矩阵的最大特征值
engine turning at peak revolution
最大转数旋转的发动机