This paper presents a detailed laboratory prototype development procedure and realization of cascaded five-level inverter (CFLI) based shunt active power filter (SAPF) for large-scale grid-tied photovoltaic. A single-phase CFLI based SAPF is designed for mitigation of current harmonics and reactive power from medium- to high power distribution sector. Modified control theory for single-phase is used for execution of closed-loop control. Self-charging algorithm is used for DC-link voltage control. Phase-shifted pulse width modulation (PS-PWM) technique is used for generation of switching pulses for IGBTs. Driver circuit for IGBTs, sensor and amplification circuit have been designed in Laboratory. System parameters are calculated as per required application. Snubber circuit is calculated for proper execution of inverter circuit. Control algorithm is executed in real-time controller dSPACE 1104. Finally, experimental results of single-phase CFLI are presented for showing the effectiveness of proposed scheme in steady-state as well as in transient conditions.Â
Alan : Eğitim Bilimleri; Fen Bilimleri ve Matematik; Sağlık Bilimleri; Sosyal, Beşeri ve İdari Bilimler
Dergi Türü : Uluslararası
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