Browsing Mohd Irwan Yusoff, Dr. by Author "Ismail, Daut, Prof. Dr."
Now showing items 1-12 of 12
-
Building factor of Grain-Oriented Silicon Iron (3% SiFe) with different thickness on 100kVA three phase distribution transformer core
Nor Ashbahani, Mohd Kajaan; Ismail, Daut, Prof. Dr.; Mohd Irwan, Yusoff (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 ... -
Clear sky global solar irradiance on tilt angles of photovoltaic module in Perlis, Northern Malaysia
Ismail, Daut, Prof. Dr.; Muhammad Irwanto; Mohd Irwan, Yusoff; Gomesh Nair, Shasidharan; Noor Syafawati, Ahmad (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)The performance of a photovoltaic (PV) is highly influenced by its orientation and its tilt angle with the horizontal, due to the fact that both the orientation and tilt angle change the amount of solar radiation reaching ... -
Combination of Hargreaves method and linear regression as a new method to estimate solar radiation in Perlis, Northern Malaysia
Ismail, Daut, Prof. Dr.; Muhammad Irwanto; Mohd Irwan, Yusoff; Gomesh Nair, Shasidharan; Noor Syafawati, Ahmad (Elsevier Ltd., 2011-11)The best way to obtain the solar radiation data of a particular place of interest (POI) is to measure at the specific site continuously and accurately over the long term. However, due to financial, maintenance, calibration ... -
Comparison of copper rotor bars with aluminium rotor bars using FEM software - A performance evaluation
Ismail, Daut, Prof. Dr.; Anayet, Karim; Gomesh Nair, Shasidharan; Asri, M.; Mohd Irwan, Yusoff (Institute of Electrical and Electronics Engineering (IEEE), 2009-12-28)It is generally assumed that copper rotor bars can outstand aluminium rotor bars in terms of better performance in losses reduction or money saving. This paper presents the comparison of the aluminium rotor bar and copper ... -
Development of hybrid vertical axis wind turbine for wind energy
Ismail, Daut, Prof. Dr.; Nurul Razliana, Abd Razak; Mohd Irwan, Yusoff; Z. Farhana (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 ... -
Fabrication and investigation of copper rotor bar on 0.5HP induction Motor-A performance and economical study
Ismail, Daut, Prof. Dr.; Gomesh Nair, Shasidharan; Yanawati, Yahya; Nor Shafiqin, Shariffuddin; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; Anayet, Karim (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 ... -
Improvement of induction machine performance using power factor correction
Ismail, Daut, Prof. Dr.; Mohd Irwan, Yusoff; Muhammad Irwanto; Safwati, Ibrahim; Gomesh Nair, Shasidharan; Ezzani, M.; Risnidar, Chan (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)In this paper, a new approach to improve power factor (PF) and reduced total harmonic distortion (THDi) is generated by a single phase induction motor is proposed. By designing the necessary technique and methodology, the ... -
Measurement and simulation of current total harmonic distortion on three-level single phase transformerless photovoltaic inverter
Ismail, Daut, Prof. Dr.; Muhammad Irwanto; Tunku Muhamad Nizar, Tunku Mansur; Rosnazri, Ali; Nair, Gomes; Mohd Irwan, Yusoff; Muhammad, Fitra (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 ... -
Optimization of current total harmonic distortion on three-level transformerless photovoltaic inverter
Ismail, Daut, Prof. Dr.; Muhammad Irwanto; Mohd Irwan, Yusoff; Gomesh Nair, Shasidharan; Noor Syafawati, Ahmad (Elsevier Ltd., 2012)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 ... -
Parameter determination of 0.5 hp induction motor based on load factor test - A case study
Ismail, Daut, Prof. Dr.; Gomesh Nair, Shasidharan; Muhammad Irwanto; Yanawati, Y.; Nor Shafiqin, S.; Mohd Irwan, Yusoff (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)The load can influence the efficiency of the induction motor. Even if the load has higher or less load factor, it can reduce the efficiency of an induction motor by several percentage. By knowing this, it is important that ... -
Performace of wind turbine based on wind speed data and turbine tower height in Kangar, Northern Malaysia
Ismail, Daut, Prof. Dr.; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; Gomesh Nair, Shasidharan; Noor Syafawati, Ahmad (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 ... -
Performance of photovoltaic module at different tilt angles in Perlis, Northern Malaysia
Ismail, Daut, Prof. Dr.; Muhammad Irwanto, Misrun; Ezzani, M.; Mohd Irwan, Yusoff (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 ...