• Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation.

    改变变频器输出电压输出电流不同方法,即PAM脉冲幅值调制控制PW M脉冲宽度调制控。

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  • Output amplitude in both modes can be controlled by varying the DC source voltage or by varying the pulse-width (pulse-width modulation, PWM).

    两种形式输出幅度可以通过改变直流电源电压通过改变脉冲宽度(调制pwm)来控制

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  • Adopt high frequency multi voltage circuit, PWM pulse width modulation technology and high-power IGBT devices.

    采用高频电路应用PW M调制技术大功率IGBT器件

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  • The HVDC light is a new DC transmission technology based on voltage source converter(VSC)and pulse width modulation(PWM)technology.

    建立基于电压换流器(VSC)的高压直流HVDC)(VSC-HVDC)输电系统的标幺值数学模型。

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  • This paper presents the principle and virtues of a current-mode-control pulse width modulation(PWM), and makes a comparison with traditional voltage-mode-control.

    本文介绍了开关电源电流型PWM控制技术的原理特点,传统的电压型控制作了比较

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  • HVDC Light is a new HVDC transmission system, based on Voltage Source Converters (VSC) and Pulse Width Modulation (PWM).

    轻型直流输电一种新型的直流传输技术,采用电压型(vsc)换流站以及PW M控制技术。

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  • It consists of a doubly fed induction generator (DFIG) and a voltage-source pulse width modulation (PWM) rectifier-inverter used, as an AC exciter.

    电机(DFIG)作为交流励磁电源的电压源型双pwm变换器组成。

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  • It consists of a doubly fed induction generator (DFIG) and a voltage-source pulse width modulation (PWM) rectifier-inverter used, as an AC exciter.

    电机(DFIG)作为交流励磁电源的电压源型双pwm变换器组成。

    youdao

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