A new interpretation of the Akagi-Nabae power components for nonsinusoidal three-phase situations

Willems, J. L.

doi:10.1109/19.155919

Cited by 223 publications

(88 citation statements)

References 5 publications

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“…In literature, several works can be found on control strategies for active power filters based on instantaneous power theory [3]- [5]. It can also be observed in literature, works involving control strategies for single-phase shunt active filters [6]- [8]. Fig.…”

Section: Introductionmentioning

confidence: 90%

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Single phase shunt active filter with digital control

Pinto

Neves

Pregitzer

et al. 2007

REPQJ

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Abstract. This paper presents a single-phase shunt active filter designed to minimize problems related to power quality in electrical systems. The power stage of the active filter is based on a two-leg full-bridge inverter, with a single capacitor in the dc side, and a filter inductor in the ac side. The control system is based on the instantaneous power theory in the α-β-0 reference frame (pq-theory), derived to be applied in singlephase systems. In essence, the shunt active filter is designed to drain, from the electric grid, harmonic and reactive components of the load currents, such that the system current will become, basically, a sinusoidal waveform, with low harmonic distortion, and in phase with the system voltage. Simulation results of the shunt active filter operating with three different loads are presented in order to verify its performance.

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Section: Introductionmentioning

confidence: 90%

“…The undesired power components are used to determinate the compensation currents in the α-β coordinates by the expressions (8). The compensation current in the 0 coordinate is obtained directly from load currents by expression (9).…”

Section: Shunt Active Filter Controllermentioning

confidence: 99%

Single phase shunt active filter with digital control

Pinto

Neves

Pregitzer

et al. 2007

REPQJ

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“…This article is a significant generalization of previous studies for single-phase systems [6][7][8] and for three-phase systems [9,10]. Those studies have been unsuccessful in the research for mathematical expressions for the so-called "inactive powers", while in this paper, a much more efficient approach based on optimization methods is applied.…”

Section: Introductionmentioning

confidence: 96%

The optimal online control of the instantaneous power and the multiphase source’s current

Siwczyński¹,

Hawron²

2017

Bulletin of the Polish Academy of Sciences Technical Sciences

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Abstract. The paper presents the new optimal real-time control algorithm of the power source. The minimum of the square-instantaneous current was assumed as an optimal criterion, with an additional constraint on source instantaneous power. The mathematical model of a multiphase source was applied as a voltage-current convolution in the discrete time domain. The resulting control algorithm was the recursive digital filter with infinite recursion.

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“…a wealth of recent studies on the instantaneous values of reactive power, active current, and reactive current [3-91 that can be used to reduce the reactive component required from the power supply. Willems [6] and Peng et al…”

Section: Introductionmentioning

confidence: 99%