A New Topology to Improve Performance of SAPF Using ZVS

Hassan Shadkam Anvar¹, Mojtaba Bahreini Pour² and Ali Barmakh^3,

¹Department Electronic of Amirkabir University of Technology, Tehran, IRAN

²Department Electronic of California Los Angeles University, California, USA

³Department Electronic of Azad Saveh University, Saveh, IRAN

Cite this paper:
Hassan Shadkam Anvar, Mojtaba Bahreini Pour and Ali Barmakh. A New Topology to Improve Performance of SAPF Using ZVS. International Transaction of Electrical and Computer Engineers System. 2019; 6(1):8-18. doi: 10.12691/iteces-6-1-2

Abstract

This paper presents new topology using soft switching to improve performance of shunt active power filter (SAPF). The proposed inverter can be used without employing Snubber capacitor under Zero voltage switching and high frequency conditions. To create ZVS conditions for the switches in this converter, an auxiliary circuit is used that includes two IGBT and LC resonant circuit. Soft switching causes the effective improvement of active filter performance and lowers stress voltage level effectively and the strokes of switch voltage as well as decrease of EMI emission reduction. In addition, the new topology will eliminate the problem of reverse recovery of diode of components body, and in addition, voltage stress on the PI controller, will greatly reduce used in power active filter. Today, with advances in power electronic technology and increasing use of power converters and other non-linear loads in the harmonics industry existing in the power system have largely increased that from the adverse effects of harmonics, the losses increase and incorrect performance of power lines equipment and interferential issues of waves can be named in telecommunication lines. Power active filters are used to eliminate harmonics of current and voltage. Numerous method of performance that use an active auxiliary circuit to help the main switch of a PWM modulated converter switch on with zero voltage switching have been proposed. These methods reduce switching losses in the main power switch, reduce reverse-recovery losses in the main power diode, and reduce EMI in the converter. Although closely all previously proposed auxiliary circuits include only a single active switch because of cost, but this paper used Two-switch auxiliary circuits for ZCS-PWM converters are usually used in high current applications..By the way to simulate this topology has been used of MATLAB and CADENCE softwares.

Keywords:
parallel active filter harmonic nonlinear loads Soft Switch ZVS ZCS p-q theory Matlab cadence

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