选择谐波消去脉宽调制,selected harmonic elimination pulse width modulation
1)selected harmonic elimination pulse width modulation选择谐波消去脉宽调制
1.The character ofselected harmonic elimination pulse width modulation (SHEPWM) and its development are summarized after expounding basis principle.阐述选择谐波消去脉宽调制技术(selected harmonic elimination pulse width modulation,SHEPWM)的基本原理,系统地总结其特点和发展现状。
2)selected harmonic eliminated pulse width modulation(SHEPWM)选择性消谐波脉宽调制
3)harmonic/ Selective Harmonic Eliminated Pulse-Width-Modulation(SHE-PWM)谐波/有选择性消谐波脉宽调制
4)selected harm onic eliminated pulse width m odulation SHEPWM选择性谐波消除脉宽调制
5)SHPWM消谐波脉宽调制
1.The circuit is controlled by Subharmonic Pulse Width Modulation(SHPWM).对逆变器主电路的结构和工作原理进行了详细阐述,并采用消谐波脉宽调制(Subharmonic Pulse Width Modulation,简称SHPWM)进行控制。
6)SHEPWM特定谐波消除脉宽调制
1.The conventional Selected Harmonics Elimination PWM(SHEPWM) technique fails to reduce the CM component of the inverter output voltage.常规的特定谐波消除脉宽调制(SHEPWM)不能消除变频器输出相电压中共模分量。
2.An improved selective harmonics elimination pulse width modulation (SHEPWM) is applied in this paper to eliminate the low order components of the inverter CM voltage.使用改进型特定谐波消除脉宽调制技术,选择消除变频器输出共模电压中的低频分量,再使用共模滤波器滤除剩余的高频分量,在电机端得到了较低的共模电压和轴电压。
英文短句/例句
1.Selective Harmonic Elimination PWM Method for Five-Level Inverters五电平逆变器特定谐波消除脉宽调制方法
2.DSP-Based SHE PWM基于DSP的特定消谐脉宽调制波的实现
3.Analysis and removal of typical faults of medium wavebroadcasting pulsewidth modulation transmitter;中波广播脉宽调制发射机典型故障分析与排除
4.A SVPWM Strategy and its Implementation Considering Eliminating Even Order Harmonics for Three-level Inverter消除偶次谐波的三电平SVPWM调制方法及其实现
5.Study on the Solving Quickly of Harmonic Elimination PWM Model;特定谐波消除技术中方程组快速求解研究
mon Mode Voltage and Harmonic Reduction Method Based on Multilevel Random PWM Technique基于多电平随机脉宽调制技术的共模电压和谐波抑制方法
7.The Study of Selective Harmonic Elimination Technology in PWM Inverter;PWM逆变器特定消谐式谐波抑制技术的研究
8.Detection of Dynamic Disturbance Voltage Using Hybrid Filter Algorithm of Morphological Filtering and "Specific Harmonic Elimination"采用形态滤波和“特定谐波消除”混合滤波算法的电压动态振动检测
9.Novel Double Modulation Wave Three-level Carrier-based Pulse Width Modulation Method新颖的双调制波三电平载波脉宽调制方法
10.Study of PWM sinusidal bell current signal source脉宽调制型正弦波铃流信号源的研究
11.The Design of Ultra Wideband Radio Pulse Shapes and the Study of Ultra Wideband Modulation Scheme;超宽带无线电脉冲波形设计及调制技术研究
12.Sine Pulse Width Modulation Wave Generation Based on MSP430F148基于MSP430F148单片机的正弦脉宽调制波的产生
13.Research on Multi-carrier Modulation and MC-CDMA Interference Cancellation多载波调制和MC-CDMA的干扰消除研究
14.AM transmitter with pulse duration modulation脉宽调制式调幅发射机
15.PWMI (Pulse Width Modulated Inverter)脉冲宽度调制变换器
16.asymmetrical P.D. modulation不对称脉冲宽度调制
17.pulse width modulated A/D converter脉宽调制模数转换器
18.capstan PWM generator主导轴脉宽调制发生器
相关短句/例句
selected harmonic eliminated pulse width modulation(SHEPWM)选择性消谐波脉宽调制
3)harmonic/ Selective Harmonic Eliminated Pulse-Width-Modulation(SHE-PWM)谐波/有选择性消谐波脉宽调制
4)selected harm onic eliminated pulse width m odulation SHEPWM选择性谐波消除脉宽调制
5)SHPWM消谐波脉宽调制
1.The circuit is controlled by Subharmonic Pulse Width Modulation(SHPWM).对逆变器主电路的结构和工作原理进行了详细阐述,并采用消谐波脉宽调制(Subharmonic Pulse Width Modulation,简称SHPWM)进行控制。
6)SHEPWM特定谐波消除脉宽调制
1.The conventional Selected Harmonics Elimination PWM(SHEPWM) technique fails to reduce the CM component of the inverter output voltage.常规的特定谐波消除脉宽调制(SHEPWM)不能消除变频器输出相电压中共模分量。
2.An improved selective harmonics elimination pulse width modulation (SHEPWM) is applied in this paper to eliminate the low order components of the inverter CM voltage.使用改进型特定谐波消除脉宽调制技术,选择消除变频器输出共模电压中的低频分量,再使用共模滤波器滤除剩余的高频分量,在电机端得到了较低的共模电压和轴电压。
延伸阅读
交流脉宽调制变频调速交流脉宽调制变频调速AC motor speed control by PWM frequency converterJ一001旧mo一kuon tjooZh一b旧nPlnt旧osu交流脉宽调制变频调速(Ae motor speedeontrol by PWM frequeuey eonverter)在交流一直流一交流变频调速系统中，采用脉冲宽度调制(Pulse Width Modulation，PWM)实现交流电动机调速的技术。交流电动机的极对数一定时，其同步转速与供电电源频率成正比，改变供电电源频率就能调节交流电动机的转速(见变频调速)。脉冲宽度调制(简称脉宽调制)技术是1969年德国的A·舍龙(A·Schonung)等把通信系统中的调制技术应用于交流电动机调速中提出的，70年代后期得到了发展，80年代利用这种技术的调速控制已进人实用阶段。采用脉宽调制控制技术，是将载频信号与参考电压信号进行比较，发出调制信号控制变频器开关元件的通、断，使其输出端获得矩形脉冲波形，通过改变载频信号或参考电压信号的频率和幅值，可改变输出脉冲的宽度或幅度及频率，随之改变基波输出电压和频率，即改变交流电动机供电电源的电压和频率，实现交流电动机的速度调节。PWM型变频器利用脉宽调制控制技术控制的变频器称PWM型变频器。对于一般的工业应用，PWM型变频器的整流器部分由二极管桥式整流器和LC滤波器构成，基波频率的输出电压是在逆变器内部以多脉冲脉宽调制方法进行控制的。脉宽调制方法有多种，为使输出电压接近正弦波形，多用正弦波脉宽调制方法。从控制方式上分为单极式和双极式两种。(1)单极式正弦波脉宽调制。如图1(a)所示，图中分别为载频信号uc、参考电压信号ur的波形图和三相翰出电压中的a相电压姚的波形图。载频信号为单极式等腰三角形波，参考电压信号则为单极式正弦半波串，三相逆变器中的参考电压信号应互差1200。输出电压的大小和频率都由参考电压信号控制。当改变“r的大小时，输出电压的大小随之改变;当改变u，的频率时，输出电压的频率随之改变。其输出波形接近于正弦波形，称单极式正弦波脉宽调制。
