Performance Comparison of Single-Phase PLL Algorithms Using Virtual 2-Phase Strategy

가상 2상 방식을 사용한 단상 PLL 알고리즘의 성능 비교

  • 이용석 (순천향대학교 대학원 전기통신시스템공학과) ;
  • 이동민 (순천향대학교 대학원 전기통신시스템공학과) ;
  • 지준근 (순천향대학교 전기통신시스템공학과)
  • Published : 2007.04.30


The frequency and phase angle of utility voltage represent very important information fur applications such as AC/DC converters and Uninterruptible Power Supplies(UPS). In a three-phase system, the utility voltage information can be easily obtained by using a utility voltage vector. However, in the case of a single-phase system. the utility voltage information is much harder to obtain. This paper presents a comparative study of single-phase PLL algorithms using virtual 2-phase strategy. Simulation and experimental results, including operation of the PLL structures introduced in reference papers, are presented to allow a performance comparison of the PLL algorithms.


Single-Phase PLL;Virtual 2-phase Strategy;Matlab/Simulink;dSPACE System