Study on a Novel Hybrid Active Power Filter Applied to a High-Voltage Grid

A novel hybrid active power filter (HAPF) applied to a high-voltage grid is proposed. The passive filter of this topology can be used for reactive power compensation as well as for harmonic mitigation caused by the nonlinear load. The active power filter, which is shunted to a fundamental resonance...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2009-10, Vol.24 (4), p.2344-2352
Main Authors: Shuai, Zhikang, Luo, An, Zhu, Wenji, Fan, Ruixiang, Zhou, Ke
Format: Article
Language:English
Subjects:
Active filters
Active power filter (APF)
Applied sciences
Capacitors. Resistors. Filters
China
Circuit topology
Circuits
Compensation
Design methodology
Electrical engineering. Electrical power engineering
Electrical equipment
Electrical power engineering
Exact sciences and technology
harmonic suppression
Harmonics
Nonlinearity
Operation. Load control. Reliability
Passive filters
Power electronics, power supplies
Power harmonic filters
Power networks and lines
Power system harmonics
Prototypes
pulsewidth-modulated (PWM) inverter
Reactive power
reactive power compensation
Resonance
RLC circuits
Topology
Transformers
Transformers and inductors
Various equipment and components
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Summary:A novel hybrid active power filter (HAPF) applied to a high-voltage grid is proposed. The passive filter of this topology can be used for reactive power compensation as well as for harmonic mitigation caused by the nonlinear load. The active power filter, which is shunted to a fundamental resonance circuit, is connected in series with a matching transformer, thus forming the injection-type hybrid active power filter. Because of this advantage, it is effective to be used in the high-voltage distribution grid. The basic principle of this topology is introduced particularly. Then, the steady compensation characteristic and the resonance-damping characteristic of this system are analyzed in detail. The principle about the designing method of HAPF is proposed. A HAPF prototype with the proposed designing method was built, and installed in a copper plan in Southern China. Experimental and application results prove that the proposed HAPF is good in harmonics elimination, reactive power compensation, and reliability.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2009.2027506