A digital signal processor based performance evaluation of three-phase four-wire shunt active filter for harmonic elimination, reactive power compensation, and balancing of non-linear loads under non-ideal mains voltages

Gupta, Nitin, Singh, S. P. and Bansal, R. C. (2012) A digital signal processor based performance evaluation of three-phase four-wire shunt active filter for harmonic elimination, reactive power compensation, and balancing of non-linear loads under non-ideal mains voltages. Electric Power Components and Systems, 40 10: 1119-1148.


Author Gupta, Nitin
Singh, S. P.
Bansal, R. C.
Title A digital signal processor based performance evaluation of three-phase four-wire shunt active filter for harmonic elimination, reactive power compensation, and balancing of non-linear loads under non-ideal mains voltages
Journal name Electric Power Components and Systems  (ERA 2012 Listed)    (ERA 2010 Rank C)   Check publisher's open access policy
Publication date 2012-01
Sub-type Article
DOI 10.1080/15325008.2012.682248
Volume number 40
Issue number 10
ISSN 1532-5008; 1532-5016
Start page 1119
End page 1148
Total pages 30
Place of publication Philadelphia, PA, United States
Publisher Taylor & Francis
Collection year 2013
Language eng
Abstract Shunt active power filters are the most viable solution for solving current harmonic, reactive power compensation, and load unbalancing problems widely presented in electrical distribution systems. In this article, development and implementation of a digital signal processor based three-phase four-wire shunt active power filter are analyzed to compensate non-linear and unbalanced loads under non-ideal supply voltages conditions. The proposed algorithm is divided into two parts, the first associated with the calculation of the positive-sequence component of unbalanced supply voltage and second deriving a simple and attractive fundamental extraction filter to extract the fundamental frequency component from distorted positive-sequence voltage. Average power and DC-link energy balance methods are used to calculate peak value of the supply current, which is required to flow from source to load. The behavior and effectiveness of the proposed control algorithm has been verified by simulation using MATLAB/Simulink (The MathWorks, Natick, Massachusetts, USA) environment for different cases of supply voltage. A laboratory prototype has been developed to verify the simulation results. The control scheme is realized using a TMS320F28335 floating-point digital signal processor (Texas Instruments, Dallas, Texas, USA) based system. It is found that simulated and experimental harmonic spectral performances are in compliance with the recommendations about harmonic limits imposed by the IEEE-519 Standard.
Keyword Power quality
Active power filter
Positive-sequence voltage
Fundamental signal extraction
Average power theory
DC-link energy balance
Current controller
Digital signal processor
Harmonic distortions
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article
Collections: Official 2013 Collection
School of Information Technology and Electrical Engineering Publications
 
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