四步换流,four-step commutation
1)four-step commutation四步换流
1.Improvement offour-step commutation strategy for matrix converter based on two line voltage synthesis;矩阵变换器双电压法四步换流策略的改进
2.The relationship between the commutation step time and the output voltage distortion is analyzed, and based on thefour-step commutation, an adaptive commutation method by using programmable logical device (PLD) is developed to improve the safety and efficiency of the power circuit commut.文中在分析了矩阵变换器的空间矢量调制控制策略和应用较为广泛的四步换流的基础上,定量分析了换流步长引起的输出电压损失。
3.This paper discusses the security commutation issue of the matrix converter first,and then studies thefour-step commutation strategy for the excitation requirements of the brushless doubly-fed wind generator.本文以矩阵式变换器安全换流问题作为切入点,根据无刷双馈风力发电机控制绕组的励磁要求,对半软化四步换流策略进行研究。
英文短句/例句
1.The Study on Four-step Commutation for Matrix Converters and Its Realization矩阵式变换器四步换流的研究及其实现
2.four-quadrant D.C.converting circuit四象限直流变换电路
3.a synchronous machine that converts alternating to direct current or vice versa.直流电和交流电同步转换的机器。
4.Study on Soft Swith Full Bridge with Current Doubler and Synchronous Rectifier全桥倍流同步整流软开关变换器研究
5.Research of Pipeline Replacement Methodology Based on Asynchronousreplacement;基于异步映射的流水线替换策略研究
6.DC/DC Converter based on Si9122A with Secondary Synchronous Output基于Si9122A的同步整流输出DC/DC变换器
7.Design of fly-back synchronous rectification DC-DC convertor反激同步整流DC-DC变换器的设计
8.crossed parallelogram平行四边形电流换向器方向转动的曲柄
9.Power Exchange Control of Back-to-Back Four-Quadrant Voltage Source Converter;背靠背四象限电压源型变流器功率交换控制
10.A novel control strategy for the PWM rectifier in cascaded multilevel converter四象限级联型多电平变换器的PWM整流器控制
11.Research of Low Voltage/High Current Output DC/DC Converter Based on Synchronous Rectification Technology;基于同步整流技术的低压/大电流输出直直流变换器的研究
12.THE COMPENSATION AND TRANSFORMATION OF CURRENT WAVEFORM OF POWER STEP MOTORS功率步进电动机电流波形的补偿和变换
13.The Phase-Locked Synchronization Control System of AC Motor Variable Frequency/Work Frequency Switching;交流电机变频/工频运行切换锁相同步控制系统
14.A Synchronous Step-Down DC-DC Converter Design;一种基于同步整流技术的降压DC-DC转换器设计
15.Investigation on Single Stage Asymmetrical Half-Bridge Converter with Synchronous Rectification;同步整流单级不对称半桥变换器的研究
16.The Design of Key Circuit Units for Two-Step Pipelined A/D Converter;两步流水式结构模数转换器关键单元设计
17.The Research & Design of High-Efficiency Synchronous Rectification Buck DC/DC Conversion;高效同步整流buck DC/DC转换器的研究与设计
18.The Top-Down Design of a Monolithic Current Mode Buck Converter with Synchronous Rectification;单片同步电流模式降压变换器的Top-Down设计
相关短句/例句
four-step commutation strategy四步换流策略
1.The process of traditionalfour-step commutation strategy is analyzed based on two-line voltage synthesis,which reduce the reliability of commutation and induce the distortion of input and output waveforms because of the delay of commutation moment.基于双电压合成策略,分析了传统的四步换流策略由于换流时刻存在延迟,降低了换流可靠性,并且会导致输入和输出波形发生畸变。
3)four-quadrant switches four-step commutation双向开关四步换流
4)two-step commutation两步换流
1.According to its particular leakage current characteristic, atwo-step commutation strategy for RB-IGBT based on input voltage magnitudes detection is proposed.采用新型开关器件逆阻式IGBT(RB-IGBT)实现了一台3kW的三相/单相矩阵式变换器样机,并针对RB-IGBT独特的漏电流特性,提出一种基于输入电压大小检测、适用于RB-IGBT的两步换流方法。
2.Detailed analysis and description on space vector modulation andtwo-step commutation were given, and a prototype matrix converter was built.对矩阵变换器的空间矢量调制法以及半自然两步换流技术进行了分析及阐述,同时研制了一套矩阵变换器样机。
3.A noveltwo-step commutation method is proposed to ensure the reliable commutation between two bi-directional switches.提出了一种新颖的两步换流策略实现了双向功率开关间的可靠换流。
5)synchronous converter同步换流机
6)synchronous converter,synchronous inverter同步换流器
延伸阅读
移形换步1.犹言移步换形。形容变化多端。
