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A parallel hybrid active power filter

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Author
Tutor: HanRuCheng ZhiZeYing
School: Taiyuan University of Science and Technology
Course: Power Electronics and Power Drives
Keywords: Active Power Filter,Harmonic suppression,DC bus voltage control,Soft start
CLC: TN713.8
Type: Master's thesis
Year:  2011
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Abstract:
With the development of power electronics technology , a large number of power electronic devices are widely used in various fields , due to harmonic issues led to a switch tripping blackouts accidents . Therefore , the harmonic pollution governance has become a research topic that has practical significance . Active Power Filter (APF) as a dynamic harmonic suppression power electronic devices , has incomparable advantages . This paper first analyzes the active power filter harmonic current detection algorithm and current control method provides a theoretical basis for the study of a new low-cost and high-performance parallel hybrid active power filter (PHAPF) . Reads as follows: a focused analysis of harmonic current detection method based on instantaneous reactive power theory , and on this basis, design improvements for a parallel hybrid active power filter ip ? Iq detection method, which makes filter any The moment can be put into use . Two pairs of inverter used current tracking control method is analyzed and compared to summarize the advantages and disadvantages of the various methods , the subject of a triangle wave comparison method is verified by simulation . 3 by analysis of the passive filter section PHAPF resonance proposed the passive filter part of the parameters of the design principles and procedures ; elaborated active filter section PHAPF in , the main circuit capacity , the DC bus voltage , DC capacitor the value of the parameters of the design algorithm . 4 is designed for characteristics of PHAPF soft start soft-start programs , MATLAB / Simulink to analyze the overall system , and verify the correctness of the program , the simulation results show the validity PHAPF system can effectively reduce costs, has some practical value.
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