The results show that pulse induction hardening can lead to super-hardening effects, giving little deformation of the hardened parts.
结果表明,与普通高频淬火相比较,感应脉冲淬火工件变形微小,并可获得超常增硬效果;
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。
The paper presents a novel ultra-audio frequency (UAF) induction welding power based on ZCS-PWM(Zero Current Switching-Pulse Width Modulation) technology.
介绍一种基于ZCS-PWM(零电流开关-脉宽调制)技术的新型超音频感应焊接电源。
On the basis of the mathematical model of AC induction motor in two phase axis system, the static measurement of electrical parameter for AC motor is completed using pulse voltage and pulse current.
根据交流感应电动机在两相静止坐标系上的数学模型,采用脉冲电流法、脉冲电压法实现了对交流电动机电气参数的静态测试。
On the basis of mathematical model of AC induction motor in vector control inverter the static measurement of electrical parameters for AC motor is completed using pulse voltage and pulse current.
在矢量控制交流感应电动机数学模型的基础上,采用阶跃电压和阶跃电流的方法实现了对交流电机电气参数的静态检测。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比,实现异步电动机的速度调节。
The suggested system makes use of a single phase HFAC pulse density modulation(PDM) converter as the interface to connect energy storage unit and power source for induction motor drive system.
系统采用间接矢量控制技术,通过高频交流脉冲密度调制接口变换器,对功率进行协调控制。
The function of pulse power system of LIA (Linear Induction Accelerator) is generating accelerative pulse and providing it toaccelerate electronic beam synchronously.
在直线感应加速器中,脉冲功率系统的作用是向加速器提供与被加速电子束同步的加速脉冲。
In the design, in view of the breakdown different form, has studied the sound detection law, the pulse magnetic field law, the audio frequency induction method and so on each method principle.
在设计中,针对故障的不同形式,研究了声测法、脉冲磁场法、音频感应法等各种方法的原理。
It consists of a doubly fed induction generator (DFIG) and a voltage-source pulse width modulation (PWM) rectifier-inverter used, as an AC exciter.
它由双馈电机(DFIG)和作为交流励磁电源的电压源型双pwm变换器组成。
It consists of a doubly fed induction generator (DFIG) and a voltage-source pulse width modulation (PWM) rectifier-inverter used, as an AC exciter.
它由双馈电机(DFIG)和作为交流励磁电源的电压源型双pwm变换器组成。
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