针对开关磁阻电机存在磁场严重的非线性且数学模型不精确等问题，提出了一种滑模变结构控制方法。
Aimed at the nonlinear magnetic field and the imprecise model of switched reluctance motor, the variable-structure control method with sliding mode is presented.
同时对磁光开关的关键部件的磁光材料和螺线管磁场进行了分析。
And the magneto-optic material and solenoid magnetic field as key parts of magneto-optic switch are analyzed.
脉冲磁场是由储能电容器通过六个触发真空开关对线圈放电产生的。
Pulsed magnetic field is produced by capacitors discharge through six triggered vacuum switches to coils.
阿电容式接近开关工程高的振荡电路，产生的积极传感器表面磁场的电磁通过一个电容手段的频率。
A capacitive proximity switch works with a high frequency oscillating circuit that creates an electromagnetic field on the active sensor surface by means of a capacitor.
开关磁阻电动机在两相励磁的工作条件下，定转子轭部磁场高度饱和使每相磁链有所减小。
When the switched reluctance motors operate in two phase excitation mode, the phase flux linkage will be reduced due to the high magnetic saturation in the stator and the rotor yoke.
提出了一种无需施加磁场、利用发射电流衰减速度测量真空开关灭弧室真空度的新方法。
A new method is presented for measurement of internal pressure of vacuum interrupters, having no use of magnetic fields but using decay velocity of emission current.
电弧电流产生的磁场和电极中的电流相互作用会产生强大的机械力冲击电极表面进而影响开关的性能。
The strong mechanical force generated as the arc forms impacts the electrode and has effects on switch performances.
第二，用运动边界法处理相对运动，应用面向对象的程序设计方法，开发了可视化开关磁阻电机电磁场分析软件。
Second, a visual software for SRM electromagnetic field computation is developed by using object oriented programming, in which rotor movement problem is dealt with moving boundary method.
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。
The relations of SPWM inverter switching model and motor field, and motor field characteristics in this circumstance are re-searched.
由于这它只是开关信号输入，因此不受周围电磁场的干扰。
Because of this it is just switching signal input, is therefore not subject to interference from surrounding electromagnetic field.
所述单片开关(50)具有利用电阻变化、电容变化或磁场变化来感测开关的致动的层(120)。
The monolithic switch (50) has a layer (120) for sensing switch actuation by means including resistance change, capacitance change, or magnetic field change.
讨论了用于开关电源辐射建模的基本偶极子天线模型，给出了各模型电磁场的解析解。
Several dipole antenna models were proposed to modeling the near electromagnetic field of high-frequency switched mode power supplies (SMPS).
最后，基于可视化技术开发了新型开关磁阻电动机二维电磁场计算软件。
Novel software based on visualized environment for calculating electromagnetic field in SRM is developed.
阐述了真空断路器的灭弧室触头磁场的结构、永磁机构及种类，详述了真空开关的常见问题与选型注意事项。
This paper describes the magnetic field structure of the contactors in arc-extinguishing chamber, permanent magnet device and the types of vacuum circuit breaker.
阐述了真空断路器的灭弧室触头磁场的结构、永磁机构及种类，详述了真空开关的常见问题与选型注意事项。
This paper describes the magnetic field structure of the contactors in arc-extinguishing chamber, permanent magnet device and the types of vacuum circuit breaker.
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