Hybrid Power Filter to Enhance Power Quality in a Medium-Voltage Distribution Network

Corasaniti, Víctor Fabián; Barbieri, María Beatriz; Arnera, Patricia Liliana; Valla, M.I.

doi:10.1109/tie.2009.2014369

Cited by 98 publications

(43 citation statements)

References 22 publications

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“…However, during the negative half cycle, as long as the integrator output is greater than the reference signal, q 4 conducts and q 1 does not. When two signals are equal, the integrator becomes reset and as long as the integrator output is zero q 1 is on and q 4 is off.…”

Section: Variable Index Pulse Width Modulationmentioning

confidence: 99%

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Modified PWM Technique for Harmonic Reduction

Hoseinpour

Ghazi

2012

ISRN Electronics

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This paper presents a Shunt Active Filter (SAF) based on the Variable Index Pulse Width Modulation approach. In the proposed method of Pulse Width Modulation (PWM), the triangular wave is derived by integration of the reference signals. This method introduces two basic advantages; the first one is that the triangular signal contains the information of the signal to be obtained in output and the second advantage is that its amplitude is varied in proportion to the amplitude of the reference signal. Therefore, in this PWM method, the modulation index is varied according to the variation of the reference signal, so it is termed as Variable Index Pulse Width Modulation. In order to demonstrate the validity of the proposed method, the obtained simulation results are compared with results of the Space Vector Modulation (SVM) approach. Furthermore, it is shown that in the case of nonsinusoidal voltages, the SAF with the proposed control strategy can provide the filtering action. This method is quite easy to implement and requires lower circuitry. The results show that the proposed method can satisfy the IEEE-519 standard regarding the reduction of harmonics.

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Section: Variable Index Pulse Width Modulationmentioning

confidence: 99%

“…In response to the power quality problem, IEEE 519 and IEC EN 61000-3 standards specify regulations governing harmonic compliance. Numerous active filters are introduced as effective means to meet the harmonic standards beside the passive filters that have been proposed [1][2][3][4]. The SAF has become a mature technology in recent years.…”

Section: Introductionmentioning

confidence: 99%

Modified PWM Technique for Harmonic Reduction

Hoseinpour

Ghazi

2012

ISRN Electronics

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“…The control of harmonic perturbations by active power filters (APFs) has become a hot topic in the power engineering field. In the past two decades, active power filters have developed rapidly to suppress harmonics in the power distribution systems of 380V voltage grids [1]- [4]. But the voltage grids of many power distribution systems for making petroleum hole are 600V.…”

Section: Introductionmentioning

confidence: 99%

Deadbeat Control with a Repetitive Predictor for Three-Level Active Power Filters

He¹,

Liu²,

Jian³

et al. 2011

Journal of Power Electronics

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Three-level NPC inverters have been put into practical use for years especially in high voltage high power grids. This paper researches three-level active power filters (APFs). In this paper a mathematical model in the d-q coordinates is presented for 3-phase 3-wire NPC APFs. The deadbeat control scheme is obtained by using state equations. Canceling the delay of one sampling period and providing the predictive value of the harmonic current is a key problem of the deadbeat control. Based on this deadbeat control, the predictive output current value is obtained by the state observer. The delay of one sampling period is remedied in this digital control system by the state observer. The predictive harmonic command current value is obtained by the repetitive predictor synchronously. The repetitive predictor can achieve a better prediction of the harmonic current with the same sampling frequency, thus improving the overall performance of the system. The experiment results indicate that the steady-state accuracy and the dynamic response are both satisfying when the proposed control scheme is implemented.

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“…Os três valores de distorção aderidos tiveram como base [68][69][70][71] As características das cargas e das compensações reativas são as mesmas do tópico passado.…”

Section: Fonte De Tensão Harmônicaunclassified

“…As correntes da fonte conectada à barra III (laranja) foram calculadas da mesma forma, porém, as suas magnitudes foram multiplicadas por um fator que valeu 0,45. Tal fator foi necessário para adequar a distorção de tensão na barra III e nas suas proximidades a valores típicos de redes de distribuição [65][66][67][68][69][70][71].…”

Section: Compensação Reativa Dinâmica De Reativos Em Redes De Distribunclassified

Compensação dinâmica de potência não ativa em média tensão

Lima¹

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Hybrid Power Filter to Enhance Power Quality in a Medium-Voltage Distribution Network

Cited by 98 publications

References 22 publications

Modified PWM Technique for Harmonic Reduction

Modified PWM Technique for Harmonic Reduction

Deadbeat Control with a Repetitive Predictor for Three-Level Active Power Filters

Compensação dinâmica de potência não ativa em média tensão

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