Browsing by Author "Gomesh Nair, Shasidharan"

Now showing items 1-20 of 28

    • Characterization of nature Dye-sensitized solar cell (DSSC) based on Nanocrystalline Titanum Dioxide 

      Gomesh Nair, Shasidharan (Universiti Malaysia Perlis (UniMAP)School of Electrical System Engineering, 2015)
      Dye-sensitized solar cell (DSSC) or ‘Gratzel cell’ is a low-cost solar cell from the thin film family which consists of TiO2 electrode coating, sensitizer from dye molecules soaked in the TiO2 film, a mediator electrolyte ...

    • 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 ...

    • Core loss measurements of three phase AC induction motor 

      Ismail, Daut, Prof. Dr.; Anayet, Karim; Gomesh Nair, Shasidharan; Asri, N.; Syatirah; Muzhar, M. (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      Core loss measurements at the field level for AC induction motor have been described. The standard requirements is the conventional no-load test to measure the “rotational losses” (sum of the core, friction & windage losses) ...

    • Design and measurement of losses in AC induction motor with different rotor bar material 

      Gomesh Nair, Shasidharan (Universiti Malaysia Perlis (UniMAP)School of Electrical System Engineering, 2009)
      In this thesis, the three phase AC induction motor have been thoroughly investigated and analyzed in terms of the induction motor parameter, efficiency, power factor and loss segregation. Through out this project, a ...

    • Electrical generation of Dye-Sensitized solar cells using sensitizer from rose flower 

      Gomesh Nair, Shasidharan; Syafinar, Ramli; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; M. R. Mamat; Uda, Hashim, Prof. Dr.; Norman, Mariun (Trans Tech Publications Inc., 2014-08)
      Dye-sensitized solar cell (DSSC) is part of the thin film family that consists of a TiO2 electrode coating which acts as a photo electrode, sensitizer from dye molecules soaked in the TiO2 film, electrolyte layer and a ...

    • Energy Saving Through Development of New Copper Rotor of Induction Motor 

      Ismail, Daut, Prof. Dr.; Anayet, Karim; Gomesh Nair, Shasidharan; Syatirah, Mohd Noor; Mohd Asri, Jusoh; Mohd Muzhar, Ahmad Tajuddin (Malaysian Invention & Design Society (MINDS), 2010-05-14)
      This product describes the importance of induction motors is aimed at contributing to energy saving efforts. To investigate induction motor efficiency and loss parameters using new copper rotors. New copper rotors are ...

    • Experimental investigation of photovoltaic modules cooling system 

      Farhana, Z.; Mohd Irwan, Yusoff; Azimmi, R. M. N.; Nurul Razliana, Abd Razak; Gomesh Nair, Shasidharan (Institute of Electrical and Electronics Engineers (IEEE), 2012-03)
      The electrical efficiency of Photovoltaic (PV) cell depends on its operating temperature during absorption of solar radiation. It is well known that the power and efficiency of PV module usually falls at the rate of 0.5%/C ...

    • 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 ...

    • The impacts of stator materials on induction motor nameplate parameters for high performance 

      Ismail, Daut, Prof. Dr.; Mohd S Ezwan, Abdullah; Gomesh Nair, Shasidharan; Yanawati, Yahya; Nor Shafiqin, Shariffuddin; Pungut, Ibrahim (Institute of Electrical and Electronics Engineers (IEEE), 2010-12-13)
      Core materials and magnet wire sizes were analyzed in order to find out the impacts on nameplate for high performance motor. Stack length and back core iron depth of stator geometry design are the parameters involve in ...

    • The impacts of stator outside diameters on induction motor nameplates: Analysis by using a finite element 

      Ismail, Daut, Prof. Dr.; Mastika, Abdullah; Gomesh Nair, Shasidharan; Yanawati, Yahya; Nor Shafiqin, Shariffuddin; Pungut, Ibrahim (Institute of Electrical and Electronics Engineers (IEEE), 2010-12-13)
      Design stimulation by software is important in order to save money and time. This paper is using stimulation software, which is a finite element method, to analyze the stator outside diameter impact on rated current, horse ...

    • 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 ...

    • In house construction of an induction motor rotor by using 0.35mm thickness of steel sheet for efficiency based investigation 

      Ismail, Daut, Prof. Dr.; Gomesh Nair, Shasidharan; Yanawati, Yahya; Muhammad Irwanto, Misrun; Nor Shafiqin, Shariffuddin (Trans Tech Publications, 2012)
      In this paper, an in house production of a 0.5hp induction motor's rotor is investigated. This investigation considers the induction motor's efficiency and losses dissipation as an important aspect to determine the rotors ...

    • 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) ...

    • Nature based dyes from blue pea flower as a potential sensitizer for dssc 

      Dayang Suriani; Muhammad Irwanto, Misrun; Gomesh Nair, Shasidharan (Universiti Malaysia Perlis (UniMAP), 2016)
      The new technological way of Dye-Sensitized Solar Cell (DSSC) similar to photosynthesis process has attracted much attention since its demonstrate a great potential due to the use of low-cost materials, ease of fabrication ...

    • 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 improvement of dye sensitized solar cell by using recycle material for counter electrode 

      Gomesh Nair, Shasidharan; Mohammad Shafawi; Muhammad Irwanto; Mohd Irwan, Yusoff; Muhammad Fitra; Norman, Mariun (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 ...