The current control is one of the kernel problems of induction motor field oriented control (FOC).
电流控制是异步电机磁场定向控制的核心问题之一。
A control circuit for transition control in DC motor field excitation on large power shovel has been designed.
设计了大型挖掘机械直流电动机激磁电路的转换与控制电路。
In this case there are two, the getter and setter methods that accompany the motor field, as shown in Figure 3.
在本例中，这样的方法有两个，即与motor相伴的getter和setter方法，如图3所示。
The invention relates to the motor field, in particular to a high pressure and ultrahigh pressure medium environment canned motor.
本发明涉及电机领域，尤其是涉及一种高压超高压介质环境屏蔽电机。
The relations of SPWM inverter switching model and motor field, and motor field characteristics in this circumstance are re-searched.
本文从变频器电动机组成的系统角度出发，研究逆变器开关方式与电机磁场的关系及SPWM调制下电动机磁场的生成特点。
In an induction motor field orientation vector control system, the rotor time constant may be deviated due to motor temperature variation and flux saturation.
本文在异步电动机矢量控制系统中提出了一种基于转子磁场定向的转子电阻自适应辨识方法。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
在低速范围内，对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
PM motors, conversely, derive the field from high energy permanent magnets, so that no power is required to build the motor field and more power can be devoted to torque generation.
下午电机，反之，从外地获得高能永磁材料，这样就没有权力要求，以建立电机领域和更大的权力可用于扭矩一代。
Designs on motor field and structure, controller main circuit current commuting mode design, TMS320F240 least system and system program consider system normal operation under fault condition fully.
电机场路结构设计、控制器主回路换流模式设计、TMS320F 240最小系统设计、程序设计充分考虑了故障应急状态下系统正常运行必要条件。
At the core of the motor are piezoelectric materials-special crystals or ceramics that change shape very slightly in the presence of an electric field.
这个马达的核心是压电材料-特殊晶体或陶瓷，这些材料在电场出现时形状改变非常小。
The SELLER shall limit its scope of supply up to Motor control Center (MCC) but to include all necessary field devices or instrumentation for control and data measurements.
卖方应限制它的供应范围到马达控制中心(MCC)，但是要包含所有必须的控制和数据测量用的现场设备或仪器。
Each type of motor has its particular field of usefulness.
每种型号的电动机都有其特定的适用范围。
A control system of bearingless induction motor based on torque winding air gap field oriented vector control is accomplished.
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。
By analyzing magnetic field, the operation characteristic of the linear induction motor was calculated.
通过对磁场的分析，可以计算出直线感应电动机的运行特性。
Field, generator or motor. Winding type can be specified.
场，发电机或电动机。可指定绕组类型。
Individuals new to the field of power electronics and motor drives will benefit most from the material.
电力电子学和电机驱动领域新入行者将能从课程内容得到最多收获。
At present, the control of motor is an important part in auto control field.
目前，电机控制是自动控制领域中极其重要的组成部分。
Simulating the temperature field of a rocket motor (including propellant) by numerical method is an effective way to get real-time temperatures of the rocket propellant.
对火箭发动机(包含发射药)的非稳态温度场进行数值模拟是确定火箭发射药实时温度的一种有效方法。
Since HSY requires dc magnetic field, an exciter with control circuitry is needed in addition to the conventional PMSY drive unit when employed as a motor.
HSY作为电动机使用时，由于需要直流磁场，与普通pmsy的驱动单元相比，应额外增加一个励磁电路。
The thermal overload relay is a kind of low-voltage protection apparatuses which is widely used in the field of motor protection.
热过载继电器是一种重要的低压保护类电器，广泛应用于电动机的保护领域。
The links below are online references for additional resources in the field of neuroscience and motor systems.
以下链接是神经科学和运动系统领域补充材料的网上资料。
Dealing with the calculation results of the temperature field of the motor stator, we obtain the temperature distributed diagram at not same segment, and the temperature rising the curve of any node.
通过对该电机定子温度场计算结果的后处理，得出了该电机定子运行在不同时间段里的温度分布图，以及该电机定子壳体任一节点的温升曲线。
The method can be used for the scheme selection, performance estimation and flow field computation of solid motor.
该方法可用于固体发动机方案选择、性能评定及流场计算。
Stepping motor is used widely in industry and household field as driving executive unit.
步进电机作为一个驱动执行单元，广泛地使用于工业领域和民用领域。
Active parts of slotless motor winding directly cut off air - gap field, it could produced eddy-current loss.
无槽电机绕组的有效部分直接切割气隙磁场，在其中引起涡流损耗。
A control system of bearing less induction motor based on torque winding air gap field oriented vector control is accomplished.
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。
The results is used as the basis of ventilation and cooling system design of the motor, and the boundary condition of temperature field computation to calculate temperature field of the motor.
计算出的数值可作为电机通风冷却系统设计的依据，同时可作为温度场计算的边界条件来进行电机温度场计算。
In a permanent magnet brushless motor, airgap field excited by a 2-pole magnet ring with parallel magnetisation is sinusoidal.
永磁无刷电机中，平行充磁的2极磁环产生的气隙磁场是正弦分布的。
Field test result shows that the production motor as a dynamic machinery is valuable for introduction and application in oil production.
现场试用结果表明，该电动机作为一种动力机械，在采油生产中具有很大的推广应用价值。
Field test result shows that the production motor as a dynamic machinery is valuable for introduction and application in oil production.
现场试用结果表明，该电动机作为一种动力机械，在采油生产中具有很大的推广应用价值。
应用推荐