A centroid based switching strategy for active power filters

Chicaro, J.F.; Dejsakulrit, D.; Perera, B.S.P.

doi:10.1109/63.261038

Cited by 12 publications

(4 citation statements)

References 4 publications

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“…Second, the position of switching pulse can be approximately obtained by calculating the centroid of the reference waveform over each sampling period instead of COI of the reference waveform [12]. The exact area of the reference waveform can be obtained by simple integration.…”

Section: Centroid-based Techniquementioning

confidence: 99%

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A centroid-based PWM switching technique for full-bridge inverter applications

Yazdian

Perera²,

Chicharo³

1998

IEEE Trans. Power Electron.

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A novel centroid-based pulse-width-modulation (PWM) switching strategy is proposed which is suitable for full-bridge inverter applications. This method is evaluated, and its performance is compared with existing PWM switching strategies. The performance evaluation and comparison are based on the total harmonic distortion (THD) and number of pulses per cycle of the inverter output waveform. The objective of the new switching strategy is to minimize both the THD and low-order harmonics. Simulation results show that this technique yields a significant improvement in performance. In addition, a hybrid switching sequence is developed for the proposed scheme, which can lead to further reduction in switching losses.

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Section: Centroid-based Techniquementioning

confidence: 99%

“…5, the reference waveform is sampled times per cycle with pulse positions . The pulse sequence is given by [12] (10) where (11) and for for and odd for and even (12) where and is the sign of pulse for each sampling period. It should be noted that the pulse position (centroid) is not a function of modulation depth.…”

Section: Centroid-based Techniquementioning

confidence: 99%

A centroid-based PWM switching technique for full-bridge inverter applications

Yazdian

Perera²,

Chicharo³

1998

IEEE Trans. Power Electron.

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“…The method with 3-D vector control has been scrutinized in [10]. Other algorithms for controlling devices of three-phase APF have been examined in [1 1] [12][13] [14].…”

Section: Introductionmentioning

confidence: 99%

Control Method for Single-Phase Shunt Active Power Filter

Antchev

Petkova

2005

EUROCON 2005 - The International Conference on "Computer as a Tool"

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The paper contains a description of control method for single-phase shunt active power filter, based on the control with DSP TMS320LF2407 for reference signal estimation, and hysteresis-current control. Filter, based on half-bridged schematic and control by the proposed method, is simulated and experimentally studied. P -active power Stotal power Nnumber of the current and voltage's digits within one period of the source voltage ii, ui -i-th digit of the current and voltage respectively Keywords -Active power filter, DSP, power factor correction.

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“…4 and its output current is adjusted to cancel the existing current harmonics, then the compensated ac line current is reduce to: (6) is (e) = i, (e) -ic (e) where i, is the compensating current.…”

Section: Compensationmentioning

confidence: 99%

A novel PWM current control method for AC harmonic elimination by active power filter

Mouttou

Ngandui

Sicard

Canadian Conference on Electrical and Computer Engineering 2001. Conference Proceedings (Cat. No.01TH8555)

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This paper presents a new PWM current control method of a shunt current source active power filter which makes it possible to eliminate the harmonics produced by a three-phase rectifier. The proposed control strategy, which is based on the frequency domain approach, is appropriate for a six-switch current source inverter rather than the fifteen switches topology that has been proposed in the literature. The algorithm used to generate the PWM pattern functions of the current source active power filter is presented. To show the effectiveness of the proposed PWM current control method, computer simulations using MatlablSimulink Power System Blockset are presented.

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A centroid based switching strategy for active power filters

Cited by 12 publications

References 4 publications

A centroid-based PWM switching technique for full-bridge inverter applications

A centroid-based PWM switching technique for full-bridge inverter applications

Control Method for Single-Phase Shunt Active Power Filter

A novel PWM current control method for AC harmonic elimination by active power filter

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