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Measurement and simulation of current total harmonic distortion on three-level single phase transformerless photovoltaic inverter
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)
This paper presents a new topology of three-level transformerless photovoltaic (PV)
inverter. It consists of three main circuits; they are a pulse driver circuit, a full bridge inverter
circuit and a power factor correction ...
Development of hybrid vertical axis wind turbine for wind energy
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)
Generally wind turbine capture wind's kinetic energy in a rotor consisting of two or more blades mechanically coupled to a generator. Vertical axis wind turbine (VAWT) has two types that are Savonius and Darrieus wind ...
Performance improvement of dye sensitized solar cell by using recycle material for counter electrode
(Trans Tech Publications, 2013)
This project is to investigate the counter electrode material from two different carbon sources to fabricate dye sensitized solar cell (DSSC). The carbon sources are extracted from battery and pencil lead. The method to ...
Building factor of Grain-Oriented Silicon Iron (3% SiFe) with different thickness on 100kVA three phase distribution transformer core
(Trans Tech Publications., 2012-03)
The power loss in laminated transformer cores is always greater than the nominal loss of the electrical steel laminations, by a factor known as the building factor. This paper discussed result of an investigation towards ...
Photovoltaic powered uninterruptible power supply using microcontroller PIC16F628-I/P
(Trans Tech Publications, 2014)
Uninterruptible power supply (UPS) sits between a power supply such as wall outlet and devices to prevent undesired feature that can occur within the power source such as outages, sags, surges and bad harmonics from the ...
Generation of wind power in Perlis, northern Malaysia
(Institute of Electrical and Electronics Engineers (IEEE), 2012-03-18)
In recent years, wind energy is one of the fastest developing renewable energy sources technologies across the globe. Wind energy conversion given a serious consideration in Malaysia since it is located in the equatorial ...
Maximum voltage angle optimization of uninterruptible power supply on three-level transformer-less photovoltaic inverter
(Institute of Electrical and Electronics Engineers (IEEE), 2012-05)
his paper presents a new topology of three-level transformer-less photovoltaic (PV) inverter. In this topology, a 240V AC system is developed from a full bridge inverter circuit using PIC microcontroller (PIC16F628A-I/P) ...
Performace of wind turbine based on wind speed data and turbine tower height in Kangar, Northern Malaysia
(Australian Journal of Basic and Applied Sciences, 2011-07)
This paper presents an analysis of the wind speed characteristic in Kangar, Northern Malaysia. The Weibull distribution function is applied to analyze the wind speed characteristic and used to calculate the wind power ...
Fabrication and investigation of copper rotor bar on 0.5HP induction Motor-A performance and economical study
(Australian Journal of Basic and Applied Sciences, 2011-05)
The paper deals with the fabrication of copper rotor bars for 0.5HP induction motor and then comparing it with the existing aluminium rotor bars. From this experiment the rotors are compared in terms of efficiency increment ...
Performance of photovoltaic module at different tilt angles in Perlis, Northern Malaysia
(Praise Worthy Prize, 2010-12)
This paper presents a calculation of the tilt angles and the solar irradiance on PV module in Perlis, Nortern Malaysia. A mathematical modeling is used to calculate the tilt angles and the solar irradiance, which depend ...