脉宽调制技术是广泛应用于稳压器。
Pulse width modulation is widely used in voltage regulators.
脉宽调制效率最高的电子速度控制。
Pulse Width Modulation electronic speed control for highest efficiency.
控制器：最高效率脉宽调制电子调速器。
Controller: Pulse Width Modulation electronic speed control for highest efficiency.
分析了三相交流电机全数字脉宽调制的原理。
The principle of pure digital PWM of the three-phase AC motor is analyzed.
在调制方法上采用流行的脉宽调制（PWM）。
The fashionable method of pulsewidth modulation (PWM) is applied.
电压空间矢量脉宽调制是一种先进的调制方法。
提出了一种基于最小开关损耗的随机脉宽调制技术。
A novel random pulse width modulation technique based on small switch losses is proposed.
介绍了一种脉宽调制型功率因数测量电路的工作原理。
Introduced the principles of pulse modulating circuit for measuring power factor.
脉宽调制信号的频率可以由用户设置电容的大小来调整。
The frequency of PWM wave can also adjusted by engineers through choosing the capacitance.
LED系统应采用高速脉宽调制(PWM)数字式地驱动。
The LED system shall be digitally driven using high-speed pulse width modulation (PWM).
提出了应用于三相电压型脉宽调制整流器的空间矢量简化算法。
A simplified algorithm three-phase voltage source PWM rectifier for space vector modulation was presented.
介绍一种以igbt为功率单元的全数字控制脉宽调制变频装置。
A fully digitally controlled SPWM inverter with IGBTs as the main power devices is introduced.
对空间矢量脉宽调制(SVPWM)的理论进行了较详细的讨论。
The theory of space vector pulse width modulation (SVPWM) is discussed in detail.
系统采用空间电压矢量脉宽调制技术得到逆变器的开关控制信号。
The control scheme gets the switch control signal of inverter with the space voltage vector modulation technology.
死区补偿和最小脉宽限制减小了空间矢量脉宽调制的线性调制区。
Dead-time compensation and minimum pulse-width limitations lead to losses in the linear modulation region of space vector modulation.
正弦脉宽调制逆变器作为逆变器的一种，可输出谐波含量小的正弦波形。
As one of inverters, Sinusoidal Pulse Width Modulation inverters can achieve low total harmonic distortion output wave.
当今脉宽调制技术在电火花微细加工所使用的脉冲电源中得到广泛应用。
Now pulsewidth modulating technology is widely used in pulse power needed by electric spark fine machining.
空间矢量脉宽调制和双向开关多步换流方式是矩阵式变换器的基本控制策略。
Space vector pulse width modulation(SVPWM) and multi-step commutation method of bi-directional switches are the basic control strategies of the matrix converter.
本文介绍了采用新的脉宽调制原理和微电脑技术，研制出的25赫正弦波铃流源。
In this paper, using a new principle of PWM and the teehnique of storage system in a microcomputer are deseribed, and a 25Hz sinusidal bell current source has been developed.
送丝调速系统由功率MOSFET开关控制电路、脉宽调制电路及控制电路构成。
The wire feeder timing system consists of MOSFET switch control circuit, PWM circuit and control circuit.
该系统采用IGBT（绝缘栅双极型晶体管）器件，PWM（脉宽调制）控制技术。
The system adopted insulated gate bipolar transistor (IGBT) as its main circuit and pulse-width modulating (PWM) technology.
正弦脉宽调制(SPWM)逆变器作为逆变器的一种，可输出谐波含量小的正弦波形。
As one of inverters, Sinusoidal Pulse Width Modulation (SPWM) inverters can achieve low total harmonic distortion (THD) output wave.
系统采用位置、速度和电流环三环控制，并结合空间矢量脉宽调制（SVPWM）算法。
The servo control system combines position loop, speed loop, current loop with algorithm of space vector pulse width modulation(SVPWM).
建立了三相异步电动机在旋转坐标系下的数学模型，论述了空间矢量脉宽调制技术原理。
The mathematical model of three-phase asynchronous motor in rotating coordinate system is established, and PWM technology of space vector is discussed.
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。
Based on given electric current and Pulse Width Modulation (PWM) controlling system, the feedback process under each braking condition is studied.
另外，还介绍了该计数器在一种平板显示器驱动电路中是如何通过脉宽调制实现灰度显示的。
In addition, how to use this counter to realize Gray Display by PWM in Driving Circuit of Flat Panel Display has been discussed.
(正弦脉宽调制)是由控制回路产生一组等幅而不等宽的矩形脉冲列，用来近似正弦电压波。
SPWM is a set of constant amplitude but unconstant width rectangular serial pulse produced by control return circuit to approximate sinusoidal voltage waves.
或者换句话说，脉宽调制是一种调制技术，为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
本文介绍一种脉宽调制型(PWM)逆变器异步电机变频调速系统稳态分析的直接数字计算方法。
A kind of direct numerical calculation method for the steady-state analysis of PWM inverter-fed induction motor drives was presented.
本文推导出电流源逆变器(CSI)脉宽调制(PWM)谐波电流幅值表达式，脉动转矩目标函数。
A formula of harmonic current amplitude for CSI PWM is derived in this paper. An objective function of pulsating torque is also derived.
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