Comparative Analysis of Lattice-based All-Pass Filter and Second Order Generalized Integrator as Orthogonal System Generator of a PLL

نویسندگان

چکیده

This paper presents a steady-state comparison of two methods that generate an orthogonal voltage system for single-phase Phase-Locked Loop (PLL) structure: widely accepted one based on Second Order Generalized Integrator (SOGI) and new All-Pass Filter (APF) with Lattice structure. Both are very attractive because their simple digital implementation, low computational load good performance under harmonically distorted grid conditions variable frequency, so they alternative to other known methods. The derives analyzes the full state space models methods.It is shown these equivalent in most common operation distributed energy resources, although APF structure clearly better than SOGI it maintains its generation ability any higher notch frequencies lower sampling frequencies. comparative analysis were validated by simulation MATLAB/Simulink experimental results using fixed-point DSP.

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ژورنال

عنوان ژورنال: Advances in Electrical and Electronic Engineering

سال: 2021

ISSN: ['1804-3119', '1336-1376']

DOI: https://doi.org/10.15598/aeee.v19i1.4002