通过对周期性电压电流波形的起始时间与其相应的各

次谐波分量初始相位之间的关系进行研究，指出谐波源的特

性可以由其在基波电压初相位为零时的特性所唯一确定-Periodic voltage and current waveforms on the start time of its corresponding harmonic component of the relationship between the initial phase of research, pointed out that the characteristics of harmonic sources can be its initial phase in the fundamental zero-voltage characteristics of the CD a definite