NDLI: Application of shunt active power filter for harmonic reduction and reactive power compensation in three-phase four-wire systems

Content Provider	IET Digital Library
Author	Campanhol, Leonardo B. Garcia Silva, Sérgio A. Oliveira da Goedtel, Alessandro
Abstract	This study deals with the analysis and implementation of compensation algorithms applied to a shunt active power filter, which uses three single-phase full-bridge converters sharing the same dc-bus voltage. The shunt filter is applied to three-phase four-wire systems, performing harmonic current suppression, reactive power compensation and power factor improvement. In addition, load unbalances compensation is also carried out. Two different control strategies are presented. In the first strategy, which is called independent current control, the currents of the three-phase power source are independently compensated performing harmonic suppression and load reactive power compensation, that is, the three-phase four-wire system is treated as three independent single-phase systems. In the second strategy, in addition to harmonic suppression and load reactive power compensation, the shunt filter also performs load unbalance compensation, resulting in sinusoidal and balanced source currents. The compensating algorithms are evaluated by means of several experimental test conditions, in order to validate the theoretical development and analyse the performance of the shunt filter.
Starting Page	2825
Ending Page	2836
Page Count	12
ISSN	17554535
Volume Number	7
e-ISSN	17554543
Issue Number	Issue 11, Nov (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/7/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2014.0027
Journal	IET Power Electronics
Publisher Date	2014-10-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Filter Active Network Harmonic Current Suppression Harmonic Reduction Harmonics Power Converter Power Filter Power Supplies to Apparatus Power Supply Quality Power System Power System Harmonics Reactive Power Reactive Power Compensation Shunt Active Power Filter Single-phase Full-bridge Converter Three-phase Four-wire System Three-phase Power Source
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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