Improved Active Harmonic Current Elimination Based on Voltage Detection

With the increasing penetration of power electronic equipment in modern residential distribution systems, harmonics mitigation through the distributed generation (DG) interfacing converters has received significant attention. Among recently proposed methods, the so-called active resonance damper (AR...

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Bibliographic Details
Published in:PloS one 2016-06, Vol.11 (6), p.e0157057-e0157057
Main Authors: Tan, Tianyuan, Dong, Shuan, Huang, Yingwei, Liu, Jian, Le, Jian, Liu, Kaipei
Format: Article
Language:English
Subjects:
Active damping
Algorithms
Computer and Information Sciences
Computer engineering
Converters
Decoupling
Design
Design parameters
Distributed generation
Electric potential
Electric power
Electric Power Supplies - standards
Electric Wiring - standards
Electrical engineering
Electrical Equipment and Supplies - standards
Electricity
Electronic equipment
Electronics - instrumentation
Electronics - methods
Engineering and Technology
Limit of Detection
Load
Mitigation
Personal computers
Physical Phenomena
Physical Sciences
Proportional control
Research and Analysis Methods
Residential energy
Software
System effectiveness
Systems stability
Trajectory analysis
Voltage
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Summary:With the increasing penetration of power electronic equipment in modern residential distribution systems, harmonics mitigation through the distributed generation (DG) interfacing converters has received significant attention. Among recently proposed methods, the so-called active resonance damper (ARD) and harmonic voltage compensator (HVC) based on voltage detection can effectively reduce the harmonic distortions in selected areas of distribution systems. However, it is found out that when traditional ARD algorithm is used to eliminate harmonic current injected by non-linear loads, its performance is constrained by stability problems and can at most eliminate half of the load harmonic currents. Thus, inspired by the duality between ARD and HVC, this paper presents a novel improved resistive active power filter (R-APF) algorithm based on integral-decoupling control. The design guideline for its parameters is then investigated through carefully analyzing the closed-loop poles' trajectory. Computer studies demonstrate that the proposed algorithm can effectively mitigate the load harmonic currents and its performance is much better than traditional ARD based on proportional control.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0157057