DSP‑based implementation of improved deadbeat control for three‑phase shunt active power filters

Mohamed Ferhat; Lazhar Rahmani; Badreddine Babes

DSP‑based implementation of improved deadbeat control for three‑phase shunt active power filters

Mohamed Ferhat

Lazhar Rahmani

Badreddine Babes

Vol. 20, No. 1, pp. 188-197, Jan. 2020

10.1007/s43236-019-00029-y

Shunt active power filter (shunt-APF)

Deadbeat control (DBC)

Voltage source inverter (VSI)

Digital PI regulator

Pulse width modulation (PWM)

Abstract

This paper presents an experimental verification of an all-digital approach based on a deadbeat current control (DBC) algorithm for a three-phase shunt active power filter (shunt-APF), which provides fixed switching frequency operation and eliminates the harmonic and reactive currents drawn by nonlinear loads. The control scheme of the global system is fully digital without any external analog circuit or complex control logic. It mainly integrates the DBC for shunt-APF command current generation and a linear digital controller for DC-bus voltage regulation. The control of the shunt-APF is investigated using MATLAB simulation software and implemented on the dSPACE ds1104 control kit. This hardware calculates the duty cycle (ΔT/T) and compares it to a carrier wave to give the control pulses of the inverter switches. The resulting simulation and experimental results verified the validity of the theoretical analysis of the proposed method.

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Cite this article

[IEEE Style]

M. Ferhat, L. Rahmani, B. Babes, "DSP‑based implementation of improved deadbeat control for three‑phase shunt active power filters," Journal of Power Electronics, vol. 20, no. 1, pp. 188-197, 2020. DOI: 10.1007/s43236-019-00029-y.

[ACM Style]

Mohamed Ferhat, Lazhar Rahmani, and Badreddine Babes. 2020. DSP‑based implementation of improved deadbeat control for three‑phase shunt active power filters. Journal of Power Electronics, 20, 1, (2020), 188-197. DOI: 10.1007/s43236-019-00029-y.