本文对正弦脉宽调制变频器的输出波形进行了谐波分析。
In the paper the harmonics of sinusoidal pulse width modulation for output inverter waveforms are analysed.
正弦脉宽调制逆变器作为逆变器的一种，可输出谐波含量小的正弦波形。
As one of inverters, Sinusoidal Pulse Width Modulation inverters can achieve low total harmonic distortion output wave.
介绍了一种基于面积等效原理，采用查表法产生正弦脉宽调制(SPWM)波的方法。
Introduction was made to the method of sine pulse width modulation (SPWM) wave generated by table searching, which is based on area equivalence principle.
正弦脉宽调制(SPWM)逆变器作为逆变器的一种，可输出谐波含量小的正弦波形。
As one of inverters, Sinusoidal Pulse Width Modulation (SPWM) inverters can achieve low total harmonic distortion (THD) output wave.
正弦脉宽调制（SPWM）控制策略，采用建议的逆变器转换器来实现良好的动态调节。
The sinusoidal pulse-width modulation (SPWM) control strategy is employed in the inverter of proposed converter to achieve well dynamic regulation.
(正弦脉宽调制)是由控制回路产生一组等幅而不等宽的矩形脉冲列，用来近似正弦电压波。
SPWM is a set of constant amplitude but unconstant width rectangular serial pulse produced by control return circuit to approximate sinusoidal voltage waves.
阐述了一种以可编程DSP控制器为核心的应用于变频系统中正弦脉宽调制（SPWM）方法的实现。
This paper discusses the method that is applied in SPWM variable frequency system based on editable DSP controller.
本文介绍了采用新的脉宽调制原理和微电脑技术，研制出的25赫正弦波铃流源。
In this paper, using a new principle of PWM and the teehnique of storage system in a microcomputer are deseribed, and a 25Hz sinusidal bell current source has been developed.
文章提出了一种改进型正弦波脉宽调制(SPWM)对称规则算法。
In this paper, the Sine Pulse Width Modulation (SPWM) technology is investigated, and an improved SPWM algorithm is presented.
而SPWM（正弦波脉宽调制）波的产生和控制则是变频技术的核心之一。
The generating and controll of Sinusoidal Pulse-Width Modulation (SPWM) waveforms is one of the core technology of frequency conversion.
带电感变压器连接在脉宽调制电源逆变器输出端，北整合的电感与输出端的电容共同作为滤波器使用，修整输出电压的正弦波形。
The integrated inductance, in combination with the output capacitors, operates as a filter and restores the sinusoidal wave-shape of output voltage.
实验结果证明，系统电动机电流的谐波失真较小，直流母线电压利用率比常规的正弦波脉宽调制（SPWM）有了较大的提高，功率器件的开关损耗较小。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
相对于等宽脉宽调制PWM，正弦波脉宽调制SPWM可以有效地降低电动机的损耗和噪声。
The Sine wave Pulse Width Modulation (SPWM) is used to reduce the wastage and the noise of the motor more effectively, as comparing to the equal pulse width modulated PWM.
本文在分析了几种SPWM调制方法的基础上，将基于对称采样法的SPWM调制算法应用于本设计中，产生了可调频调幅的正弦波脉宽调制信号。
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.
本文在分析了几种SPWM调制方法的基础上，将基于对称采样法的SPWM调制算法应用于本设计中，产生了可调频调幅的正弦波脉宽调制信号。
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.
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