With very high locked-rotor torque and excellent performance in low frequency, it is suitable for situation with shock load to save power.
具有特高的起动转矩和良好的低频特性,特别适用于有冲击负荷的场合,在这种场合下使用比一般电机节电。
Increasing core length properly can raise motor efficiency and power factor, but it will reduce locked-rotor torque ratio and breakdown torque ratio.
适当增加铁心长度可以有效提高电机效率和功率因数,但会导致启动转矩倍数和最大转矩倍数减小。
Helicopters require a tail rotor to counteract the rotor torque; this and the articulated head complicate flying, construction and maintenance enormously.
需要直升机尾桨抵消转子力矩;这和阐述头复杂飞行,建造和维修极大。
A theoretical calculating method for rotor torque based on law of conservation of energy was presented in this paper. Precise comparison between experimental and theoretical res...
这里基于能量守恒原理导出了一种转子扭矩的理论计算方法,并依据试验数据对此方法进行了精确的比较分析,最后给出计算实例。
An electrical field was then used to apply torque to the rotor, making it harder for the system to spin anticlockwise than clockwise.
电场使旋转器产生了扭矩,这个系统就更易顺时针转动。
Reactive stepping motor rotor windings without, the excitation of stator winding respond to realize stepping operation torque.
反应式步进驱动电机的转子无绕组,由被励磁的定子绕组产生反应力矩实现步进运行。
Hybrid stepping motor rotor with permanent magnets, excitation and produced by permanent magnet electromagnetic torque realize stepping operation.
混合式步进电机的转子用永久磁钢,由励磁和永磁产生的电磁力矩实现步进运行。
The torque and reactance is calculated by changing the position of rotor and the changing curves of torque and reactance is also provided.
通过改变转子的位置计算永磁同步电动机的静态转矩和电抗,给出了转矩和电抗随转子位置变化规律的曲线。
A mutual model reference adaptive method for the rotor speed and stator resistance identification is proposed in this paper to implement a speed sensorless direct torque control of induction motors.
本文介绍了一种可互换模型参考自适应方法实现对电机转速和定子电阻的辨识,并将其应用于异步机的无速度传感器直接转矩控制中。
Having three "waves" of magnetism induced in the rotor with every revolution, instead of just one, smooths out the induction process and allows more torque to be generated.
由于每次旋转过程转子都有三“波”感生磁场,而不是只有一“波”,其感应过程更平滑而使其能够产生更大的扭矩。
A test method of torque synchro rotor quadrature axle damping short-loop loss and current was introduced.
介绍力矩式自整角机转子交轴阻尼短路环损耗和电流的一种测试方法。
After calculating no load gap magnetic fields according to different rotor positions, static torque characteristics and highest working speed are worked out.
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。
The state observer observes the precise load torque, rotor position and speed with only a low accuracy position sensor.
状态观测器可以利用较低精度的位置传感器来准确观测负载转矩、转子位置和转速。
Reactive stepping motor rotor windings without, the excitation of the stator winding reacts to achieve step operating torque.
反应式步进驱动电机的转子无绕组,由被励磁的定子绕组产生反应力矩实现步进运行。
The Pulse Generators PGs are equipped to detect the rotor frequency of induction traction motors for the torque control in railway vehicle traction field.
铁道机车车辆牵引领域中的转矩控制是利用脉冲发生器(PG)来检测牵引感应电动机的转子频率。
This paper studied the relationship between torque and voltage, when the solid rotor synchronous motor involving non salient pole started asynchronously.
本文对铁磁实体转子隐极同步电动机异步起动时的转矩与电压关系进行了研究。
The torque of switched reluctance motor is a highly non linear function depends on phase current and rotor position, so the torque ripple occurs.
开关磁阻电动机的转矩是各相电流与转子位置的高度非线性函数,这使得电动机的转矩容易出现脉动。
The expression and frequency variety law of the rotor broken bar fault feature component in the startup electromagnetic torque signal are analyzed in detail.
分析了转子断条故障特征在电机启动电磁转矩信号中的表现形式及频率变化规律。
According to the use of pump rotational speed and torque requirements can be matched to a different pump rotor drive.
根据泵的使用方式,转速和扭矩要求,可以为转子泵匹配不同的驱动装置。
On the base of that the paper proposes a rotor flux oriented control strategy according to the dual-synchronous coordinate model, which can realizes the dynamic torque control.
在此基础上提出一种基于双同步坐标模型的转子磁场定向控制策略,实现了电机的动态转矩控制。
The motor is characterized by reliability, small step-angle, high holding torque, strong ability of driving high rotor inertia load and super structural manufacturability.
其突出的优点是步距角小、驱动惯性负载能力强、自定位力矩大、可靠性高、结构工艺性好。
Measurement of torque, rotational speed can be displayed, rotor model, and the results calculated viscosity.
测量时可显示扭矩、转速、转子型号,并计算出粘度结果。
The effects of structure, gap magnetic field, rotor thickness, magnetic pole Numbers of rotor and winding layers of stator of the micromotor on it's output torque are discussed in detail.
从微马达结构、气隙磁场、转子厚度、转子写入磁极数和定子绕组的层数对微马达输出力矩的影响进行了分析和讨论。
Experiments shown that the system torque performance can be improved effectively by dispersing rotor flux with trapezoid integrator and numerical PI regulating with correction of the integral term.
实验研究表明,采用梯形积分的转子磁链离散化法和遇限削弱积分pi控制算法,能够有效地改善系统的高低频转矩响应。
Research results show that the stator and rotor currents and air-gap torque are subjected to the stator and rotor flux fields in the generator.
研究结果表明:双馈感应发电机的定、转子电流以及电磁转矩取决于发电机内部的定、转子磁场。
The influence of different rotor structure to the reluctance torque is analyzed, and given the selection principle of the rotor structure.
分析了不同转子磁路结构对电动机磁阻转矩的影响,确定了地铁用永磁同步电动机转子磁路结构的选用原则。
The induction motor tracking control based on passivity principle is analyzed in case of general unknown time-varying load torque and rotor resistance.
研究了负载转矩和转子电阻在一般的未知时变情形时对异步电动机期望时变电磁转矩的渐近跟踪控制问题。
Considering the uncertainty of rotor resistance and load torque, adjusted parameters corresponding to uncertain ones were introduced.
针对感应电机转子电阻与负载转矩的不确定性,在设计控制器时,引入与不确定性参数相对应的可调参数。
Considering the uncertainty of rotor resistance and load torque, adjusted parameters corresponding to uncertain ones were introduced.
针对感应电机转子电阻与负载转矩的不确定性,在设计控制器时,引入与不确定性参数相对应的可调参数。
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