Study on software phase locked loop for single phase active power filter

Samir Gautam, Pei Yunqing, Muhammad Kashif, Yuba Raj Kafle, Zhang Zheng Hua, Li Bo

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

2 Citations (Scopus)

Abstract

Active power filter (APF) is considered the most viable solution for harmonic and reactive power compensation as well for other power quality problems. The reference current/voltage estimation is of utmost importance in APF and several harmonic extraction techniques require synchronizing signal in phase with the utility supply. The proper acquisition of synchronizing signal is significant for precise operation of APF. In this paper the software Phase Locked Loop (SPLL) based on time domain coordinate transformation to obtain synchronizing signal for single phase APF is considered. Orthogonal signal generation based on first order all-pass filter and band-pass filter is applied to PLL algorithm. The importance of synchronizing signal and the discrete implementation of orthogonal signal generation structure are also discussed. Simulation and experimental results validate the analysis and discussions presented.

Original languageEnglish
Title of host publicationProceedings of Fifth International Conferences on Advances in Recent Technologies in Communication and Computing
Place of PublicationStevenage, UK
PublisherInstitution of Engineering and Technology
Pages319-327
Number of pages9
Volume2013
Edition645 CP
ISBN (Print)9781849198424
DOIs
Publication statusPublished - 2013
Externally publishedYes
Event5th International Conference on Advances in Recent Technologies in Communication and Computing, ARTCom 2013 - Bangalore, India
Duration: 20 Sep 201321 Sep 2013

Other

Other5th International Conference on Advances in Recent Technologies in Communication and Computing, ARTCom 2013
CountryIndia
CityBangalore
Period20/09/1321/09/13

Keywords

  • Active power filter
  • Discretization method
  • Software phase locked loop
  • Synchronous DQ reference frame

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