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Design and Implementation of Digital Phase Locked Loop for Single-Phase Grid-Tied PV Inverters / Zhongfu Zhou

Electric Power Components and Systems, Volume: 46, Issue: 14-15, Pages: 1662 - 10

Swansea University Author: Zhou, Zhongfu

  • Accepted Manuscript under embargo until: 24th December 2019

Abstract

In this paper, a novel synchronous rotating-frame based phase-locked loop (PLL) for a single-phase PV inverter control system is presented. Detailed PLL mathematical model and the digital implementation for a single-phase PV inverter system are presented. A practical solution for transport delay bas...

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Published in: Electric Power Components and Systems
ISSN: 1532-5016 1532-5008
Published: USA Taylor & Francis 2018
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa45963
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Abstract: In this paper, a novel synchronous rotating-frame based phase-locked loop (PLL) for a single-phase PV inverter control system is presented. Detailed PLL mathematical model and the digital implementation for a single-phase PV inverter system are presented. A practical solution for transport delay based orthogonal signal generation using first-in-first-out (FIFO) circular buffer is also discussed. Details of implementation for a real-time system using digital signal processor were also described. The performance of the developed PLL was experimentally validated on a developed single-phase PV inverter prototype
Keywords: Single-phase PLL, orthogonal signal generator, PI controller, and single-phase PV inverter
College: College of Engineering
Issue: 14-15
Start Page: 1662
End Page: 10