A High-Power Active Filtering System With Fundamental Magnetic Flux Compensation

Li, Dayi; Chen, Qiaofu; Zhou, Jia; Zhang, Changzheng

doi:10.1109/tpwrd.2006.871009

Cited by 39 publications

(31 citation statements)

References 15 publications

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“…This is the traditional series hybrid APF based on the fundamental magnetic flux compensation. The stability of this APF has been proved by many literatures such as [7][8]11].…”

Section: Only Compensate Fundamental Currentmentioning

confidence: 98%

“…To overcome these disadvantages, Active Power Filter (APF) has been proposed [3][4][5][6][7][8]. A novel principle of magnetic flux compensation (MFC) is proposed in reference [7], which has been applied in series hybrid APF [7][8], controllable reactor [9], and shunt hybrid APF [10]. In the series hybrid APF, the series transformer works as a controlled reactor.…”

Section: Introductionmentioning

confidence: 99%

“…As a result, the series transformer equivalent impedance to interharmonics is not equal to the equivalent impedance to harmonics. But in reference [7][8] and [11], this difference was ignored. All of them do not consider the properties of the LPF.…”

Section: Introductionmentioning

confidence: 99%

“…The equivalent impedance of the series transformer to the inter-harmonics has not been discussed independently. For this reason, the theoretical analysis and conclusions in reference [7][8] and [11] about the equivalent impedance of transformer are incorrect. In experimental, inter-harmonics oscillation phenomenon occurred when compensate both fundamental and harmonics current.…”

Section: Introductionmentioning

confidence: 99%

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Research on the Inter-harmonics Equivalent Impedance of Series Hybrid Active Power Filter

Zhang¹,

Liu²,

Shao-jun³

et al. 2015

Journal of Electrical Engineering and Technology

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-In the series hybrid active power filter (SHAPF) with magnetic flux compensation (MFC), the system current oscillate in the experimental results when adding the same phase harmonic current command in current control block. This condition endangers the security of the SHAPF. Taking the digit period average arithmetic as example, this paper explains the inter-harmonics current oscillation in the experiment. The conclusion is that the SHAPF is unstable to the inter-harmonics current in theory. Limited by the capacity of the inverter, the system current and the inverter output current do not increase to infinite. At last, some methods are proposed to solve this problem. From the practical viewpoint, the voltage feed-forward control is easy to achieve. It can suppress the current oscillation problems, and also improve the filtering effect. The feasibility of the methods is validated by both the emulation and experiment results.

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“…This is the traditional series hybrid APF based on the fundamental magnetic flux compensation. The stability of this APF has been proved by many literatures such as [7][8]11].…”

Section: Only Compensate Fundamental Currentmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Research on the Inter-harmonics Equivalent Impedance of Series Hybrid Active Power Filter

Zhang¹,

Liu²,

Shao-jun³

et al. 2015

Journal of Electrical Engineering and Technology

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“…For power factor correction and harmonic compensation, it requires separate mode of operation [30][31].…”

Section: Negative Sequence Current Component Controlmentioning

confidence: 99%

Current Controllers of Active Power Filter for Power Quality Improvement: A Technical Analysis

Dey

Mekhilef

2015

Automatika

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Original scientific paperNon-linear load deteriorates the quality of current waveforms at the point of common coupling of various consumers. Active power filter (APFs) is used to mitigate the most concern harmonic pollution in an electrical network. The controller part is the nucleus of an active power filter configuration. Active power filter performance is affected significantly by the selection of current control techniques. The active filter and its current control must have the capability to track sudden slope variations in the current reference to compensate the distorted current drawn by the voltage source inverter. Therefore, the choice and implementation of the current regulator is more important for the achievement of a satisfactory performance level. In this survey, technical reviews of various types of controllers covering a wide range have been presented. This work also reveals the advantages and disadvantages of the practiced control strategies. The effectiveness of the study will help the researchers to choose the proper control methods for various applications of active power filter. Key words: Active power filters, Control algorithms, Current controllers, Comparison, Harmonic currents Power quality, Total harmonic distortion, Root mean square (RMS) errorRegulatori struje aktivnih filtara snage za poboljšanje kvalitete snage: Tehnička analiza. Nelinearni tereti pogoršavaju kvalitetu strujnih valova u točki u kojoj se spaja više potrošača. Aktivni filtar snage se koristi za ublaža-vanje najvažnijeg harmoničkog onečišćenja strujne mreže. Jezgra aktivnog filtra snage je regulator. Na performanse aktivnog filtra snage značajno utječe odabir upravljačke tehnike. Aktivni filtar i njegova tehnika upravljanja strujom moraju imati mogućnost pratiti nagle skokove u referentnoj vrijednosti struje kako bi mogli kompenzirati izobličenja struje koju vuče inverter naponskog izvora. Zato su izbor i implementacija regulatora struje iznimno važni za postizanje zadovoljavajuće razine performansi. U ovom pregledu su predstavljene tehničke recenzije koje pokrivaju širok raspon regulatora. Ovaj rad takoer otkriva prednosti i mane korištenih strategija upravljanja. Efektivnost ovog pregleda pomoćiće istraživačima da izaberu ispravnu metodu upravljanja za različite aplikacije aktivnog filtra snage.

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Harmonic Detection for Hybrid Filter

Liu

Wang

2011

Advances in Computer Science, Environment, Ecoinformatics, and Education

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A High-Power Active Filtering System With Fundamental Magnetic Flux Compensation

Cited by 39 publications

References 15 publications

Research on the Inter-harmonics Equivalent Impedance of Series Hybrid Active Power Filter

Research on the Inter-harmonics Equivalent Impedance of Series Hybrid Active Power Filter

Current Controllers of Active Power Filter for Power Quality Improvement: A Technical Analysis

Harmonic Detection for Hybrid Filter

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