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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Nor Farahaida Abdul Rahman
Universiti Teknologi MARA
Control & Systems Engineering Electrical & Electronics Engineering

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A new gate drive for a single-phase matrix converter Rahimi Baharom; Nor Farahaida Abdul Rahman; Muhamad Nabil Hidayat; Khairul Safuan Muhammad; Mohammad Nawawi Seroji; Nor Zaihar Yahaya
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 11, No 2: June 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.492 KB) | DOI: 10.11591/ijpeds.v11.i2.pp823-826

Abstract

This paper presents the new generation of advanced gate driver circuit based on IR2110 device for a Single-Phase Matrix Converter (SPMC) circuit topology that uses MOSFETs or IGBTs switches. The new generation of gate drive circuit uses less number of components, since a single IR2110 device can drive two power switches, thus reduce power losses and minimize the complexity of conventional circuit. An additional isolation of the upper and lower sides of IR2110 device features additional protection to the proposed gate drive system. As a result, the proposed gate drive circuit just uses four IR2110 gate drives in order to control eight switches of SPMC circuit, thus, solve the conventional bulky gate drive circuit problem in SPMCs operation.  This is in line with the international power electronic technology road-maps to reduce losses, cost, volume, therefore to raise up the power density of power electronics converters. Validation have been done through the experimental test-rig. As a result, such new theoretical enhancements can be used as a novel foundation of future high power density of SPMC circuit topology and in-line with the Fourth Industrial Revolution (IR 4.0) which were characterized mainly by advances in technology
Characteristics of lead-acid and nickel metal hydride batteries in uninterruptible power supply operation Nurshahirah Athirah Rohman; Nor Farahaida Abdul Rahman; Muhammad Ammirrul Atiqi Mohd Zainuri
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 10, No 3: September 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (637.827 KB) | DOI: 10.11591/ijpeds.v10.i3.pp1520-1528

Abstract

Batteries are one of the main elements in Uninterruptable Power Supply (UPSs). To maintain good operation during power failure, UPSs must have adequate energy for their operation. It depends on the reliability and performance of batteries. Owing to low capital cost and wide availability, lead-acid batteries have been used extensively as the main energy source in UPSs. Nevertheless, as batteries technology grown, Nickel Metal Hydride (NiMH) batteries have offered more promising performance than lead-acid batteries; they are installed in various portable electronic devices. This paper provides an overview of the performance of lead-acid and NiMH batteries during the operation of a single-phase UPS. Their performances are studied based on 2 characteristics which are discharge curve and State of Charge (SOC). Based on those characteristics, both batteries have shown different performances. Simulation results have shown that the NiMH battery exhibits better discharge curve with higher voltage capacity and constant discharge current, and it is more reliable to obtain 12V at minimum percentage of SOC than the lead-acid battery.
Co-Authors Khairul Safuan Muhammad Mohammad Nawawi Seroji Muhamad Nabil Hidayat Muhammad Ammirrul Atiqi Mohd Zainuri Nor Zaihar Yahaya Nurshahirah Athirah Rohman Rahimi Baharom