Harmonic reduction of SVC with system integrated APF

Abstract

Static var compensators (svcs) are widely used to compensate for reactive power in a system. The hybrid active power filter (hapf) in combination with svc has extensively been studied in the literature to reduce harmonics generated by the svc. This study proposes a new topology of svc for three-phase systems based on a three-phase thyristor-control reactor (tcr). The harmonics generated by the tcr are minimized by an active power filter (apf), which can be realized by a reduced resonant capacitor size. A control strategy comprising feedback and feedforward control is employed to achieve good harmonic reduction and fast transient response. Simulated and experimental results are presented to validate the theoretical analysis and performance of the proposed topology and control scheme. The results show that the proposed topology can mitigate the harmonics generated by the tcr.

An Innovative Linear Susceptance Model Deploying a Thyristor Controlled Reactor with Harmonic Suppression Circuitry and Advanced Current Controller

“…An Artificial Neural Network (ANN) was introduced [13] to decrease the total harmonic values resulting from dynamic voltage supply, with the reduction controlled by adjusting the TCR/TSC firing angles. A new TCR topology was proposed, where the harmonics produced by the TCR were minimized through the use of an active power filter [14].…”