A SOGI Based Band Stop Filter Approach for a Single-Phase Shunt Active Power Filter<bold> </bold>

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2018

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Ieee

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

Control of shunt active power filter (SAPF) requires a cascaded control structure as inner current closed loop followed by outer voltage control loop. The inner current control loop is responsible for tracking of a reference current while the outer voltage loop regulates DC bus voltage to a fixed value. Dynamic performance of the DC bus voltage regulation suffers from the adverse effects such that harmonic currents produced by SAPFs lead to fluctuations in DC bus voltage at certain harmonic frequencies. This causes SAPF to produce additional harmonic components, since the outer voltage loop deals with only fundamental waves where the fluctuations should not appear. This study proposes a DC bus voltage regulation methodology based on a Second Order Generalized Integrator (SOGI) acting as a band-stop filter with the aim of increasing the voltage regulation performance in the steady state. The proposed filter does not affect the transient response thanks to that it only suppresses the harmonic-induced fluctuations in DC bus voltage. Through a simulation study, the proposed methodology is validated, and the results prove the performance and feasibility of the proposed filter.<bold> </bold>

Açıklama

2nd International Symposium on Multidisciplinary Studies and Innovative Technologies (ISMSIT) -- OCT 19-21, 2018 -- Kizilcahamam, TURKEY
KALE, MURAT/0000-0002-3814-9009
WOS: 000467794200059

Anahtar Kelimeler

harmonics, single phase shunt active power filter, Second Order Generalized Integrator (SOGI)<bold>, </bold>

Kaynak

2018 2Nd International Symposium On Multidisciplinary Studies And Innovative Technologies (Ismsit)

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N/A

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