直流电动机中电枢磁动势的轴线位置是由电刷位置决定的,电刷具有箝位的功能。
In DC motor, the locality of axis of armature MMF was determined by the brush position, here the brush possessed a function of clamping.
针对直流电动机中电枢磁动势的轴线位置由电刷决定的特征,提出了箝位概念,指出自控变频乃是箝位效应的直接后果。
Aimed at the feature that the locality of axis of the armature MMF is determined by the brush in dc motor, a new concept on clamp is proposed.
若将他励直流电动机输出功率的机理等效为一个与电动机电枢绕组并联的可变电阻,可以得到他励直流电动机可变电阻型等效电路图。
The output power mechanism of a separately excited DC motor can be equivalent to a variable resistance, which is parallel with the armature winding of the motor.
据此仿真模型,进行了并励直流电动机的直接起动、降压起动、电枢回路串电阻起动的实例仿真实验,给出了有关仿真结果。
Then the model is applied to simulate the direct start-up process, the reduced voltage starting process and the starting process with series resistance in the armature circuit.
在原动机模拟部分,采用电枢电流负反馈加转速负反馈的方法对直流电动机的机械特性进行改造。
In the part of prime mover simulation, the technique of armature current feedback plus speed feedback is adopted to alter the mechanical character of the DC electromotor.
分析微型直流电机电枢绕组传统滚漆工艺的存在问题,介绍电枢滚漆新工艺,并总结了该工艺的特。
The problems on painting craft of armature winding of mini-direct current dynamo are analyzed, new roll painting crafts are introduced, and properties of the crafts are concluded.
无刷直流电机低速下存在电枢反应,影响电机出力;
Armature reaction of bldcm in low speed influences torque-producing.
着重分析无刷直流电动机(BLDCM)电枢电流波形。
无刷直流电机电枢反应造成反电势法无传感器控制中的转子位置检测误差。
The armature-reaction in a sensorless brushless DC(SLBLDC) motor causes detection error of rotor position and consequently leads to advanced or lagged commutation.
文中对无铁心无刷直流电动机的电枢制造技术进行了研究,实践证明其工艺是可行的。
The technological equipment and the manufacture technology of the CBLDCM are investigated in this thesis finaly. The technological process is proved available by practice.
励磁绕组和电枢电路有各种接法,因而有不同的性能,这是直流电动机的显著优点。
The field circuit and the armature circuit can be interconnected in various ways to provide a wide variety of performance characteristics - an outstanding advantage of DC machines.
采用数值计算方法对无刷直流电机的电枢反应作了分析,指出了电枢反应对力矩波动的影响。
This paper analyzes the armature reaction of the brushless DC servo motor by means of finite element method (FEM), and points out that the armature reaction has great influence on torque ripple.
虽然无刷直流电机具有良好的启动和调速性能,但是由于换相以及电枢反应等因素,它属于非线性系统。
The brushless DC motor has excellent characteristics of good start and timing performance, but it is a nonlinear system owing to commutation process and armature reaction.
直流电动机中的电刷能够指示直流励磁磁极的位置,又可以控制电枢电流的相位,直流电动机应是箝位电动机。
In DC motor, the locality of axis of armature MMF was determined by the brush position, here the brush possessed a function of clamping.
直流电动机中电枢磁动势的轴线位置是由电刷位置决定的,电刷具有箝位的功能。
Aimed at the feature that the locality of axis of the armature MMF is determined by the brush in dc motor, a new concept on clamp is proposed.
列举了三个较为典型的解题及绘图程序、即直流电机电枢绕组的机械特性、起动过渡过程的计算与绘制。对每个程序要解决的教学问题及编程的特点作了扼要叙述。
Three typical programs are given, They can be used to compute and draw the armature winding ofd-c motor, the torque speed characteristics and the starting transients of the motor are given.
直流电机,电枢受控,旋转执行机构。
本发明公开了一种双凸极脉冲式直流电动机,该机由设置着直流绕组的凸极式定子和无电枢绕组的凸极式转子组成。
Double salient pole pulsed DC motor consists of a salient pole stator with DC winding and a salient pole rotor without armature winding.
本发明公开了一种无刷脉冲直流电动机,该机由设置着直流绕组的凸极式定子和无电枢绕组的凸极式转子组成。
The invention discloses a brushless pulse direct-current motor, comprising a salient-pole stator provided with a direct-current winding and a salient-pole rotor provided with an armature-free winding.
采用数值计算方法对无刷直流电机的电枢反应作了分析,指出了电枢反应对力矩波动的影响。
Verifying the effect of the friction between teeth on the output torque fluctuation of a spur gearing through the use of experimental method;
采用数值计算方法对无刷直流电机的电枢反应作了分析,指出了电枢反应对力矩波动的影响。
Verifying the effect of the friction between teeth on the output torque fluctuation of a spur gearing through the use of experimental method;
应用推荐