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- The space vector voltage pulse width modulation (SVPWM) 电压空间矢量脉宽调制
- 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. 改变变频器的输出电压或输出电流有二种不同的方法，即PAM脉冲幅值调制控制和PWM脉冲宽度调制控。
- This scheme introduces zero voltage resonant technology of pulse width modulation and phasing resonant controller UC3875,and its application in power converter. 介绍了相移脉宽调制零电压谐振技术和相移脉宽调制谐振控制器UC3875的性能及其在功率变换中的应用。
- ABSTRACT ： Comparing with traditional HVDC system the merits of a new type of HVDC system based on voltage source converters (VSC) and pulse width modulation (PWM) technologies is expounded. 摘要：文章阐述了基于电压源换流器（VSC）和脉冲宽度调制（PWM）技术的直流输电与传统的直流输电相比具有的诸多优点。
- Pulse width modulation (PWM) is an analog signal level for digital encoding. 脉冲宽度调制（PWM）是一种对模拟信号电平进行数字编码的方法。
- Position control of d. c. motors has been done by means of pulse width modulation. 直流电机位置用脉冲宽度调制法控制。
- voltage space vector pulse width modulation 空间电压矢量脉宽调制
- pulse width modulation / voltage dispersion 脉宽调制／电压差值
- pulse width modulation / voltage reconstruction 脉宽调制/电压重构
- The control mode has developed from early U\f control mode to vector control technology and pulse width modulation. 控制方式也从早期的电压;频率控制方式发展到向量控制技术和冲宽度调制技术。
- High-speed on-off valves are used and controlled with pulse width modulation (PWM) in this system. 系统应用高速开关阀，用脉宽调制(PWM)的方法进行控制。
- The inverse control method for pulse width modulation (PWM) inverter-fed induction motors is discussed. 摘要针对电压源型逆变器供电的感应电动机，应用逆系统理论提出了一种新型控制策略。
- Therefore, we use unipolar switching pulse width modulation scheme to realize a filterless Class-D power amplifier. 因此，我们利用单极性切换脉波宽度调变技术去实现无滤波器之D类放大器。
- Because of built-in PWM circuit(pulse width modulation circuit),dimming range is wider than earlier type products. 因使用PWM（脉冲宽度调制）电路，产品具有较宽的调光范围。
- Pulse width modulator and sample maintenance installment. 脉冲宽度调制器和取样保持装置。
- pulse width modulation /common-mode voltage 脉宽调制/共模电压
- A novel current control mode pulse width modulation switched high frequency resonant arc igniting device is developed based on UC3842 and the principle is analyzed. 摘要采用UC3842设计了电流控制型脉宽调制开关式高频振荡引弧器，并对其工作原理进行了分析。
- The principle of pulse width modulation (PWM) is analyzed. A PWM circuit model is set and its characteristics are simulated by PSCAD/EMTDC. 对脉宽调制(PWM)的原理进行了分析，用PSCAD/EMTDC搭建了PWM电路模型，并对其特性进行了仿真分析。
- To reduce the current harmonics around switching frequency of the three-phase pulse width modulation (PWM) rectifiers,an LCL filter has been adopted. 此外,文中对LCL滤波的三相PWM整流器数学模型进行了详细的分析,并从理论和仿真两方面证明了LCL滤波器的优越性能。
- This paper presented the principle of space vector pulse width modulation(SVPWM) employed in vector control system for asynchronous motors. 仿真结果表明采用SVPWM调制的异步电机的矢量控制系统具有良好的动态性能和稳态精度。
