Operation of three-level single-phase half-bridge NPC inverter-based shunt active power filter under non-ideal grid voltage condition with sliding mode controller

Biricik, Samet; Kömürcügil, Hasan; Ngo, Tuan; Basu, Malabika

doi:10.1109/cpe.2018.8372562

Cited by 5 publications

(1 citation statement)

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“…It is utilized to extract the power frequency components of the nonlinear load ( i L ), which are i Lα and i Lβ . The TOQSG transfer functions are given as 18

{TF}_{α} = \frac{i_{Lα} ((), s)}{i_{L} ((), s)} = \frac{k_{1} k_{2} ω_{0} s}{s^{3} + k_{2} ω_{0} s^{2} + ((), {ω_{0}}^{2} + k_{1} k_{2} ω_{0}) s + k_{2} {ω_{0}}^{3}}

{TF}_{β} = \frac{i_{Lβ} ((), s)}{i_{L} ((), s)} = \frac{k_{1} k_{2} {ω_{0}}^{2}}{s^{3} + k_{2} ω_{0} s^{2} + ((), {ω_{0}}^{2} + k_{1} k_{2} ω_{0}) s + k_{2} {ω_{0}}^{3}}

where, k 1 and k 2 are the gain of the filter.…”

Section: Control Algorithmsmentioning

confidence: 99%

Robust control for seamless operation of wind‐BES microgrid

Gupta

Singh

Kewat

2021

Int Trans Electr Energ Syst

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Summary The aim of the paper is to provide seamless transition between the grid connected to an islanded mode and vice versa by switching the control of the load connected VSC (LCVSC) ensuring uninterruptable power supply. In the grid connected mode, a TOQSG (third‐order quadrature signal Generator) based method is applied for power quality improvement at the grid. During synchronization, the LCVSC adapts the phase and frequency of the grid voltage for seamless transition. The paper presents a smart microgrid, which manages the mode of operations and generation of reference signals for the smooth operation. The proposed approach is validated through test results. The grid current and CCP voltage distortion are as per the IEEE‐519 and the IEEE‐1547 standards.

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“…It is utilized to extract the power frequency components of the nonlinear load ( i L ), which are i Lα and i Lβ . The TOQSG transfer functions are given as 18