This paper presents a unique application of continuous mixed -norm (CMPN) algorithm-based adaptive management strategy with the aim of enhancing the low voltage ride through (LVRT) the capability of grid-connected electrical phenomenon (PV) power plants. The PV arrays are connected to the purpose of common coupling through a DC-DC boost converter, a DC-link capacitor, a grid side inverter, and a three-phase step up transformer. The DC-DC converter is used for a maximum power point tracking operation based on the fractional open circuit voltage method. The grid-side inverter is utilized to control the DC-link voltage and terminal voltage at the PCC through a vector control scheme. The CMPN algorithm-based adaptive proportional-integral (PI) controller is used to control the power electronic circuits due to its very fast convergence. The proposed algorithm updates the PI controller gains online without the need to fine tune or optimize. The effectiveness of the proposed control strategy is compared with that obtained using Taguchi approach- based an optimal PI controller taking into account subjecting the system to symmetrical, unsymmetrical faults, and unsuccessful reclosing of circuit breakers due to the existence of the permanent fault.
TO ENLARGE THE EFFECTIVENESS ACROSS PHOTOVOLTAIC POWER PLANTS WITH CAPACITOR AUGMENT SYSTEM
2018-04-20
IJITR; Vol 6, No 2 (2018): February - March 2018; 7855-7857
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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