The distribution of magnetic flux of track eddy current braking device is calculated by using vector potential method.
采用矢量位A法对线性涡流制动装置的磁场分布进行了有限元理论计算。
The method shown in the paper will provide useful value of the application in designing the eddy current braking device.
文中的计算方法将为设计涡流制动装置时提供有用的应用价值。
This paper analyzes the principle of the rotation permanent magnet eddy current braking firstly. Taking subway vehicle as an example, it designs a type of the brake's structure.
分析了旋转型永磁涡流制动装置的工作原理，并以地铁车辆为对象设计了一种涡流制动装置的结构。
The dynamic braking means that after three-phase voltage is switched off asynchronous dynamo the dc current flows into the stator circuit to realize dynamo braking.
能耗制动是在异步电动机切离三相电源后，在定子回路通入直流电流，实现能耗制动。
Measures, such as the floating of threshold, braking by positive sequence current, driving up the threshold during power swing, etc are suggested to prevent th.
采用浮动门槛、正序电流制动和静稳破坏后提高动作门槛值的方法，来防止系统振荡时误启动。
For this reason, the paper discusses the method of calculation concerning the effect of braking current decrease by adequately increasing the maximum braking coefficient.
为此，讨论在整定计算中计及制动电流减小的影响时，适当提高最大制动系数的方法。
Well, when the aluminum spool is rotating, the closeness of the aluminum to the magnets creates what's called an "eddy current," and this eddy current creates the braking effect on the spool.
当铝盘转动的时候，铝盘靠近磁片从而产生“涡电流”，这种涡电流就对线杯产生了刹车作用。
Compared with the analytical and experimental results, it is confirmed that the permanent magnet eddy-current brake is an effective braking method and FEM is suitable for analyzing it.
实验结果和理论分析表明永磁涡流制动是一种高效可靠的制动方法。通过与解析法和实验结果的比较，证明用有限元法分析永磁涡流制动的可行性和准确性。
It is illustrated respectively in the paper the principle of regenerative braking and regulation and control of the braking current in terms of the power circuits and control circuits.
分别从主电路和控制电路阐明了再生制动的原理以及制动电流的调节和控制。
It is also provided here the control method for mitigating the current impact produced when turning on or off the device in braking operation.
介绍了制动工况为缓和投切时产生的电流冲击而采取的控制方法。
Resistance simulation control electricity eddy current system, make the revolving speed and braking moment relation accord with the condition of correspond speed and resistance relation.
阻力模拟则是控制电涡流测功机，使其转速与制动力矩间的关系符合相应状况下的车速、阻力关系。
Due to electric current negative feedback control, the intensity of braking torque can be controlled as it is needed.
由于采用了电流负反馈控制方式，制动力矩的大小可根据需要进行控制。
Based on given electric current and Pulse Width Modulation (PWM) controlling system, the feedback process under each braking condition is studied.
以电流给定，脉宽调制(PWM)调压调速系统为例，研究各种制动状态下的能量回馈过程。
The paper studies the braking characteristic formula of linear eddy current brakes, and characteristic formula is respectively derived in low speed zone and high speed zone.
研究了线性涡流制动的特性方程，在低速区和高速区分别推导出特性曲线方程。
For this reason, the paper discusses the method of calculation concerning the effect of braking current decrease by adequately increasing the maximum braking co...
为此，讨论在整定计算中计及制动电流减小的影响时，适当提高最大制动系数的方法。
The dual-circuit brake effectively avoids the driving air-pressure brake problem existing in the current driving dual-circuit air-pressure braking device for automobiles at home and abroad.
有效地避免了目前国内外汽车行车双管路气压制动装置本身所在的行车气压制动问题。
It adopts axle center type gas top, AC frequency speed adjusting, frequency conversion, DC direct current speed adjusting and electromagnetic braking.
为轴心式气顶、AC变频调速变频刹车DC直流调速、电磁制动。
In-depth analysis of the Automotive braking process, a current feedback control model is introduced based on the energy error redeem, in order to improve the braking system simulation effect.
在深入分析制动器控制过程的基础上，建立了基于能量误差补偿的电流反馈控制模型，以提高试验台的仿真效果。
The design of DC (Direct Current) Disk Electromagnetic brake ensures high brake moment and quick reliable braking with little noise.
盘式直流电磁制动器，制动力矩大，制动平稳，迅速，噪音小。
A 2-d electromagnetic model of parameterized eddy current brake system was analyzed by electromagnetic method in ANSYS. Thus an exact equation between speed and braking force was obtained.
通过建立二维电磁场分析模型，对涡流制动系统进行了电磁场数学分析，推导并求解出了制动力和运行速度之间的关系表达式。
A 2-d electromagnetic model of parameterized eddy current brake system was analyzed by electromagnetic method in ANSYS. Thus an exact equation between speed and braking force was obtained.
通过建立二维电磁场分析模型，对涡流制动系统进行了电磁场数学分析，推导并求解出了制动力和运行速度之间的关系表达式。
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