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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Indonesian Journal of Electrical Engineering and Computer Science
R. Balamurugan
K.S.Rangasamy College of Technology
Control & Systems Engineering Electrical & Electronics Engineering

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 1 
FC/PV Fed SAF with Fuzzy Logic Control for Power Quality Enhancement R. Balamurugan; R. Nithya
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 5, No 4: 2015
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (245.595 KB) | DOI: 10.11591/ijpeds.v5.i4.pp470-476

Abstract

In this paper, a Fuel cell (FC) / Photovoltaic cell (PV)/ Battery operated three phase Shunt Active power Filter (SAF) is proposed for improving the power quality at the utility side. Fuzzy based instantaneous p-q theory control is proposed for SAF. This SAF consists of Voltage Source PWM Converter (VSC) and a DC link capacitor supplied by a FC/PV/Battery. The filter provides harmonic mitigation with reactive power compensation and neutral compensation for loads at the Point of Common Coupling (PCC). A Single switch boost DC-DC converter connects the FC/PV/Battery with the VSC to maintain the load. The performance of the proposed SAF is tested in MATLAB / SIMULINK environment with Fuzzy logic controller (FLC). The controller maintains the DC link voltage based on the current reference generated by the p-q theory. The Hysteresis PWM current controller is employed to generate the gating pulses to the switches in VSC. The simulation results of the proposed SAF validate the effectiveness of FLC in power quality enhancement.
Bidirectional Luo Converter Fed Switched Reluctance Motor R. Balamurugan; M. Vishvanath
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 12: December 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The present work aims at designing and modelling of a bidirectional DC-DC LUO converter for driving a Switched Reluctance Motor. LUO converters are new series of DC/DC Converters that have very low ripple of voltage and current and have output wave with high quality, high power density and high transfer voltage gain and don’t have circuit elements parasitic limits of traditional converters. LUO converters have very high voltage transfer gains in geometric progression on stage by-stage. A C- Dump converter is used to drive the SRM drive. The present design aims at improving the efficiency of the Switched Reluctance Motor drive system by the incorporation of the bidirectional DC-DC LUO converter between the electrical source and the drive system.  http://dx.doi.org/10.11591/telkomnika.v12i12.6883 
An Approach of Power Factor Correction in BLDC Motor Drives Using Cuk Derived Converters R. Balamurugan; J. Pearly Catherine
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 12: December 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v12.i12.pp8092-8097

Abstract

This paper deals with a comparative analysis of various converter topologies for Power Factor Correction (PFC) in BLDC motor drives. A power factor corrected converter is required for improving power quality at the AC mains of an inverter fed BLDC motor drive. Conventionally, the BLDC motor is fed by a diode bridge rectifier (DBR) which results in highly distorted supply current and a poor power factor.  A new bridgeless single-phase ac–dc Cuk derived topology has been introduced for power factor correction. This bridgeless topology uses minimum number of switches and thus reduces the less conduction losses compared with the conventional PFC rectifier. There are three cuk derived configurations for power factor correction. In this paper, all the cuk derived topologies are investigated and compared. The best topology is identified and recommended for PFC in BLDC motor drive.
Power Factor Correction using Valley-Fill SEPIC Topology with Fuzzy Logic Control R. Balamurugan; S. Hariprasath; R. Nithya
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 11: November 2014
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v12.i11.pp7622-7630

Abstract

This paper deals with a new Single Ended Primary Inductance Converter (SEPIC) for Power Factor Correction (PFC). The proposed converter is used in combination with SEPIC and a valley fill circuit. The valley fill circuit improves the efficiency of the SEPIC by reducing the harmonics in the supply mains. The power factor is also enhanced compared to the conventional PFC converters. It uses the simple control strategy for controlling the power factor of the AC mains. It can be preferred to low power applications, since it has the merits like less input current ripples and less total harmonic distortion (THD). To observe the performance of the Valley fill circuit, a model based on the SEPIC topology has been designed by using MULTISIM and MATLAB / SIMULINK environment and implemented with one cycle control (OCC) and Fuzzy logic controller. The simulations results are demonstrated in order to validate the effectiveness of the controllers in power factor improvement.
Co-Authors J. Pearly Catherine M. Vishvanath R. Nithya R. Nithya S. Hariprasath