Control algorithms for a three-phase Shunt compensator — A comparative study

Gupta, Gunjan; Fritz, Wilfred

doi:10.1109/ciact.2017.7977349

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…The passive filter creates resonance problem, improper reactive power compensation and consumes more space when compared to active filter. The passive filters are not suitable for unbalanced supply and it"s only applicable for specific load condition system [9][10][11]. The main advantage of active filter is easily adopts under dynamic load fluctuations and it plays major role in present compensation scenario [12].…”

Section: Introductionmentioning

confidence: 99%

PV Based Grid System for Power Quality Enhancement using Instantaneous P-Q Theory

Suresh¹,

Ramesh²

2019

IJEAT

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The SPV interfaced grid system with battery storage unit, bidirectional VSI interconnected shunt active filter, an adaptive Proportional Integral (PI) controller is employed for improve current and voltage profile enhancement. The p-q theory is the common employed technique to extract the basic fundamental current harmonic components from affected or polluted power supply by means of diode rectifier or non linear load. The basic concepts of reactive power (IRP) theory includes it’s a time domain model and it can be applicable for both 3P3W and 3P4W. Initially, the control technique called instantaneous real and reactive power theory or p-q theory has been developed for three phase three wire system and then later it was extend to three phase four wire system. This system is valid under steady state as well as dynamic state. The bidirectional VSI based shunt APF is controlled by the PI based instantaneous reactive power theory. The proposed PI Controller interfaced shunt Active Power Filter is used to maintain DC-Link voltage.SPV system is interfaced with incremental conductance MPPT algorithm. This SAPF control scheme has to provide the following benefits like current harmonic mitigation as well as reactive power compensation

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Section: Introductionmentioning

confidence: 99%

PV Based Grid System for Power Quality Enhancement using Instantaneous P-Q Theory

Suresh¹,

Ramesh²

2019

IJEAT

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Grid-Interconnected Solar Photovoltaic System for Power Quality Improvement Using Extended Reference Signal Generation Strategy

Suresh¹,

Ramesh²

2021

Journal of Testing and Evaluation

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This research article exhibits a utility grid-interfaced solar photovoltaic (SPV) system for power quality enhancement. An adaptive proportional integral derivate (APID) controller with a unit vector template (UVT) is employed to generate a reference current signal of a shunt active power filter (APF). The UVT-based control scheme is used to separate the fundamental components from the load currents and to estimate the reference phase currents. These currents are used to generate pulse width modulation signal for the shunt APF. To maintain a constant dc link voltage of shunt APF, an APID controller is employed in the dc link voltage regulator. This extended reference signal generation scheme of shunt APF remarkably enhances the system performance and also diminishes the current and voltage harmonics in the power distribution system. The presented reference current generation scheme has been mathematically examined, and digital simulation results under different steady and dynamic states are presented. The SPV system is accomplished by utilizing the incremental conductance maximum power point technique and is interconnected with the utility grid. Finally, the entire system is validated through the real-time hardware prototype developed by using dsPIC30F4011.

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Control algorithms for a three-phase Shunt compensator — A comparative study

Cited by 2 publications

References 12 publications

PV Based Grid System for Power Quality Enhancement using Instantaneous P-Q Theory

PV Based Grid System for Power Quality Enhancement using Instantaneous P-Q Theory

Grid-Interconnected Solar Photovoltaic System for Power Quality Improvement Using Extended Reference Signal Generation Strategy

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