Browsing by Author "irwanyusoff@unimap.edu.my"

Now showing items 1-13 of 13

    • Automatic cooling system using PIC 16F877A for solar panel 

      Mohd Irwan, Yusoff (Universiti Malaysia Perlis (UniMAP)Center of Excellence Geopolymer and Green Technology (CEGeoTech), 2014-05)
      Solar photovoltaic (PV) power generation is an attractive technique to reduce consumption of fossil fuels and as a renewable energy. The temperature of PV module increases when it absorbs solar radiation, causing a decrease ...

    • 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 ...

    • Effect of TiO2 thickness on dye sensitized solar cell performance 

      Muhammad Irwanto, Misrun, Dr.; Muhammad Fitra, Zambak; Shasidharan, Gomesh Nair; Mohd. Irwan, Yusoff (Institute of Electrical and Electronics Engineers (IEEE), 2013-06)
      A dye solar cell with a dimension of 6 × 2 cm is fabricated with thickness of 40 μm, 80 μm and 120 μm of TiO2 by smearing it on an ITO coated glass. It is then tested under the average solar irradiance and temperature of ...

    • Generation of wind power in Perlis, northern Malaysia 

      Nurul Razliana, Abd Razak; Mohd Irwan, Yusoff; Muhammad Irwanto, Misrun; Farhana, Z. (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 ...

    • Investigation of photovoltaic modules cooling system 

      Farhana, Zainuddin; Mohd. Irwan, Yusoff; Ismail, Daut, Prof. Dr.; Nurul Razliana, Abd Razak (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      It is well known that the power and efficiency of photovoltaic (PV) module usually falls at the rate of ~0.5%/°C and ~0.05%/°C respectively as increase of ambient temperature. The electrical efficiency of PV cell depends ...

    • Maximum voltage angle optimization of uninterruptible power supply on three-level transformer-less photovoltaic inverter 

      Muhammad Irwanto; Mohd Irwan, Yusoff; Gomesh Nair, Shasidharan; Noor Syafawati, Ahmad (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) ...

    • 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 ...

    • Photovoltaic powered uninterruptible power supply using microcontroller PIC16F628-I/P 

      Muhamad Irwanto, Misrun; Mohd Fareq, Abd. Malek, Dr.; Sasongko, P. Hadi; Gomesh Nair, Shasidharan; Mohd Irwan, Yusoff (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 ...

    • Potential of vertical axis hybrid wind turbine use in Perlis 

      Nurul Razliana, Abd Razak; Ismail, Daut, Prof. Dr.; Mohd Irwan, Yusoff; Farhana, Z.; Risnidar Chan Bahaudin, Ir.; Noor Syafawati, Ahmad (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      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 ...

    • Power capacity enhancement of transformerless photovoltaic inverter 

      Muhammad Irwanto, Misrun, Dr.; Shasidharan, Gomesh Nair; Mohd. Irwan, Yusoff; Muhammad Fitra, Zambak (Institute of Electrical and Electronics Engineers (IEEE), 2013-06)
      A conventional inverter uses a transformer. Some transformers connected in parallel are needed to obtain a high power inverter. They cause the inverter has a big in size, expensive cost and low efficiency. To solve the ...

    • Relationship between the solar radiation and surface temperature in Perlis 

      Ismail, Daut, Prof. Dr.; Mohd Irwan, Yusoff; Safwati, Ibrahim; Muhammmad Irwanto; Gomesh Nair, Shasidharan (Trans Tech Publications, Switzerland., 2012-06)
      Statistical models for predicting the solar radiation have been developed. In any prediction of the solar radiation, an understanding of its characteristics is of fundamental importance. This study presents an investigation ...

    • Review of study to improve dye sensitized solar cells performance by TiO2 thickness and extract mangosteen pericarp as sensitized 

      Ismail, Daut, Prof. Dr.; Muhammad Fitra, Zambak; Muhammad Irwanto; Gomesh Nair, Shasidharan; Mohd Irwan, Yusoff (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Based on the process and observation of this paper electrical energy conversion efficiency in dye sensitized solar cell performance is strongly influenced by the dye and the thickness Titaniuam dioxide. Both of these items ...

    • TiO2 dye sensitized solar cells cathode using recycle battery 

      Ismail, Daut, Prof. Dr.; Muhammad Fitra, Zambak; Muhammad Irwanto, Misrun, Dr.; Shasidharan, Gomesh Nair; Mohd. Irwan, Yusoff (IOP Publishing Ltd, 2013)
      This paper proposed an alternative source of carbon material from recycled battery for the fabrication of cathode of a dye sensitized solar cell. Carbon from recycle battery is extracted and used to fabricate the cathode ...