2019
DOI: 10.3390/en12214075
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Enhanced Current Reference Calculation to Avoid Harmonic Active Power Oscillations

Abstract: Energy storage systems play a key role in the rise of distributed power generation systems, hence there is great interest in extending their lifetimes, which are directly related to DC current ripple. One of the ripple sources is the low-frequency active power fluctuations under unbalanced and distorted grid voltage conditions. Therefore, this paper addresses a multifrequency control strategy where the harmonic reference currents are calculated to reduce harmonic active power oscillations. The stationary refer… Show more

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Cited by 6 publications
(4 citation statements)
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“…Moreover, in this paper also generalized and automated control structures were not provided. Active power and active power oscillations were carefully addressed in [4] and [5], also. Again, the proposed solutions certainly do not provide optimal voltage support in the general case.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, in this paper also generalized and automated control structures were not provided. Active power and active power oscillations were carefully addressed in [4] and [5], also. Again, the proposed solutions certainly do not provide optimal voltage support in the general case.…”
Section: Introductionmentioning
confidence: 99%
“…However, in integrated topologies, sometimes the overall design complexity increases. AC‐side power decoupling techniques usually require bidirectional switches, complex control schemes, and an additional phase leg to accommodate the decoupling capacitor between the inverter and the grid 26–28 . For the PV‐side category, successful techniques have been presented, which are generally one of the buck, 29,30 boost, 31,32 buck–boost, 33–35 or H‐bridge 36,37 types.…”
Section: Introductionmentioning
confidence: 99%
“…Along with the windup problem, saturation also produces waveform distortion in the controlled signals and there have been different proposals to mitigate its effect [16]- [26]. A trajectory analyzer is proposed in [17], [18] to limit the controller output in case of saturation and avoid harmonic injection.…”
Section: Introductionmentioning
confidence: 99%
“…In practice, the method maintains a low THD of the injected current by decreasing the reactive power. The computational burden of this method is reduced in [26]. Three saturation strategies intended for active power filters are compared in [16].…”
Section: Introductionmentioning
confidence: 99%