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- Intelligent Sliding Mode Control of Three Phase PWM Converter in Distributed Power System 分布式电源中并网三相PWM整流器的智能滑模控制
- Analysis of Bi-direction Operation State of Three Phase PWM Rectifier Based on a New Phase and Amplitude Control 基于新型相位幅值控制的三相PWM整流器双向工作状态分析
- Based on phase and amplitude control (PAC) a novel three-phase zero-voltage soft-switching (ZVS) PWM converter is presented. 提出一种新型基于幅相控制方式的零电压软开关三相PWM变流器的拓扑结构及其控制策略。
- This paper chooses Buck ZCS PWM converter as the study object. 本文以Buck ZCS PWM变换器为具体研究对象.
- VTT powered by Dual phase PWM rated at 35A per phase. VTT电压供电双三相PWM额定35A条每阶段。
- The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when three phase unbalanced fault occurs in AC system. 当交流系统发生三相不对称故障时,忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
- The third, the characteristics of dual PWM converter and the gride-side PWM rectifier are analyzed. 再次,分析了双PWM型变换器的特点、电网侧PWM整流技术及其控制。
- Note 1 Single display the three phase total active power. 注1:单屏显示三相总有功功率。
- Three phase wiring saves 50% of power compared with one-phase. 三相电源比单相电源可省电逾50%25之多。
- Wakabayashi, F.T., M.J.Bonato and C.A.Canesin, “A New Family of Zero-Current-Switching PWM Converter,” IEEE PESC, Vol. 1, pp. 451-456, 1999. 张景华，升压型零电压转移柔切式电力转换器之模式分析及控制器设计，硕士论文，国立成功大学工程科学系，1999。
- Compared with PWM converter, PSM converter has quicker response and better interference rejection besides high efficiency. 研究表明PSM变换器不仅较PWM调制模式轻载下效率高，而且具有响应速度更快，抗干扰性更好的特点。
- Is the stator three phase line voltage the same? And is it current zero? 定子三相电压是否相等?其电流是否为零?
- Build a PWM converter model after explaining the Simplified control theory so as to analyze the control method. And based on it bring forward a simple voltage space vector method. 摘要建立了一个PWM整流器的模型，在解释简化控制原理后对矢量控制的策略进行了分析。在此分析的基础上提出了一种简单的电压空间矢量的算法。
- Minsky divided the process into three phases. 明斯基将该过程划分为三阶段。
- This control method was applied to a three phase AC/DC/AC conversion system. 该控制思想在三相AC/DC/AC系统中进行了实验验证。
- Comparing with the small signal models of the Buck converter and the ZVS-FB PWM converter, the paper indicates that the ZVZCS small signal properties are significantly different from the latter. 在此基础上建立了小信号模型,并与Buck电路和ZVS-FBPWM的小信号模型比较,结果表明ZVZCS FB-PWM的小信号模型明显异于后两者。
- So that, based on the traditional PWM control mode, the turn-offof the two power components in the full bridge PWM converter aredelayed, consequently, zero-current-switching (ZCS) is realized. 因此，本文在传统PWM控制方式的基础上，使其中两只功率管的关断适当延时，从而使这两只功率管实现零电流开关（ZCS）。
- PWM / three phase emergency power supply 脉宽调制／三相应急电源
- This PWM converter adopted the ZVT method,making the losses of the switches in the PWM converters reduce comparatively. 它采用零电压转换技术,使变换器开关器件的损耗明显减小,实验结果验证了这一结论。
- Eventing is an equestrian sport consisting of three phases. 综合全能马术赛，包括三个阶段，第一，越野比赛。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
