CAJ | 학술논문

波形控制技术是逆变器领域的研究热点,需要研究有效的方法来分析相关PWM逆变器的输出电压谐波及其频谱.采用一种基于二维傅里叶级数的数学解析法,对两电平SVPWM逆变器的相电压谐波幅值、线电压频谱的通式进行数值分析,并通过仿真与实验进行验证.
파형공제기술시역변기영역적연구열점,수요연구유효적방법래분석상관PWM역변기적수출전압해파급기빈보.채용일충기우이유부리협급수적수학해석법,대량전평SVPWM역변기적상전압해파폭치、선전압빈보적통식진행수치분석,병통과방진여실험진행험증.
The technique of inverter output wave sinusoidal disposal is hot problem in inverter research field.It is necessary to analyze the output voltage harmonic and spectrum of relational PWM inverter.Using two dimensions Fourier progression tool ,analytic mathematics ratiocination is adopted to analyze peak value of the phase voltage harmonic and line-line voltage spectrum general formula of two-lever inverter.The conclusion is validated by simulation and experiment.This method could be used in harmonic analysis of PWM technique which is hased on carrier wave,and it helps to evaluation or betterment.