DC-link voltage regulation of single-phase grid- tied PV system using fuzzy-PI controller

Kamran Zeb, Saif Ul Islam, Waqar Uddin, Kaleem Ullah, Rafiq Asghar, T. D.C. Busarello, Hee Je Kim

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

With the booming penetration of renewable energies, grid tied inverters are finding increased application. For control decoupling and power stabilization of grid-tied PV systems, DC-link capacitors are extensively employed. Efficient and fast DC-link control is required to reduce ripples, limit fluctuation in input DC voltage of the inverter and decrease DC- link capacitor. This paper presents a Fuzzy-logic based PI controller for 3 kW single phase grid tied PV system. To inject excellent quality current into grid a Resonant Harmonic Compensator RHC based Proportional Resonant (PR) controller is adopted. MATLAB®/Simulink is the software used for test bench. The results are compared with/without feedforward loop of PPV through graphical and tabulated analysis with a fine-tuned PI controller. The design controller guarantees fast, robust, reliable, efficient performance.

Original languageEnglish
Title of host publication15th International Conference on Emerging Technologies, ICET 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728154039
DOIs
StatePublished - Dec 2019
Externally publishedYes

Publication series

Name15th International Conference on Emerging Technologies, ICET 2019

Bibliographical note

Publisher Copyright:
© 2019 IEEE.

Keywords

  • Fuzzy-PI Control
  • Grid-tied
  • PI Control
  • PR control
  • Renewable energy

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Hardware and Architecture
  • Electrical and Electronic Engineering
  • Control and Optimization
  • Health Informatics
  • Instrumentation

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