Browsing Conference Papers by Author "Siti Rafidah, Abdul Rahim"

Now showing items 1-20 of 20

    • An analysis on power quality measurement and monitoring techniques for nonlinear load 

      Shahrul Ashikin, Azmi; Mohd Rafi, Adzman; Mohd Fayzul, Mohammed; Siti Rafidah, Abdul Rahim; Zainuddin, Mat Isa; Ismail, Daut, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2008-03-15)
      Electric power quality is an aspect of power engineering that has been with us since the inception of power systems. The measurement of the quality of the electric power in a network is therefore becoming an urging need ...

    • An application of genetic algorithm and least squares support vector machine for tracing the transmission loss in deregulated power system 

      Mohd. Herwan, Sulaiman; Siti Rafidah, Abdul Rahim; Mohd Wazir, Mustafa; Hussain, Shareef, Dr.; Saifulnizam, Abd. Khalid, Dr.; Omar, Aliman (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)
      This paper proposes a new method to trace the transmission loss in deregulated power system by applying Genetic Algorithm (GA) and Least Squares Support Vector Machine (LS-SVM). The idea is to use GA as an optimizer to ...

    • Assessing the performance of DG in distribution network 

      Siti Rafidah, Abdul Rahim; Ismail, Musirin, Dr.; Mohd Herwan, Sulaiman, Dr.; Muhd Hatta, Hussain; Azralmukmin, Azmi (Institute of Electrical and Electronics Engineers (IEEE), 2012-06-06)
      Distributed Generation (DG) integrated into distribution networks continued to grow both in number and size. Governments' incentives and obligations for a sustainable energy ensure that DG is going to be an important element ...

    • Comparison of flux density between different thicknesses of non oriented electrical steel material using FEM software 

      Yanawati, Yahya; Ismail, Daut, Prof. Dr.; Siti Rafidah, Abdul Rahim; Nur Shafiqin, Shariffuddin; Mastika, Abdullah; Pungut, Ibrahim (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Generally, 0.35mm has better performance than 0.5mm thickness of material in terms of losses reduction and money saving potential. This paper presents the comparison of the 0.35mm and 0.5mm thickness of non oriented ...

    • Contingency analysis of embedded generation deployment in distribution network 

      Mohd Herwan, Sulaiman; Aliman, O.; Siti Rafidah, Abdul Rahim (Institute of Electrical and Electronics Engineers (IEEE), 2010-07-23)
      This paper presents a contingency analysis study of Embedded Generation (EG) deployment in distribution network. It is expected of increasing amounts of EG that will be connected to power system distribution in the near ...

    • Design and simulation of impluse voltage generator 

      M., Jayaraju; Mohd Rafi, Adzman; Noor Hasnizam, Hanafi; Mohammad Faridun Naim, Tajuddin; Siti Rafidah, Abdul Rahim; Syahrul Ashikin, Azmi (Malaysian Technical Universities Network (MTUN), 2009-06-20)
      Simulink, an extension of MATLAB is specially designed for simulating dynamic systems. This paper describes a method of modelling impluse voltage generator using Simulink. The equations for modelling have been developed ...

    • Design and simulation of impulse voltage generator 

      M., Jayaraju; Mohd Rafi, Adzman; Mohd Faridun Naim, Tajuddin; Siti Rafidah, Abdul Rahim; Syahrul Ashikin, Azmi (Universiti Malaysia Pahang (UMP), 2009-06-20)
      Simulink, an extension of MATLAB is specifically designed for simulating dynamic systems. This paper describes a method of modelling impulse voltage generator using Simulink. The equations for modelling have been developed ...

    • Distributed generation installation using particle swarm optimization 

      L., Y. Wong; Siti Rafidah, Abdul Rahim; Mohd Herwan, Sulaiman; Aliman, Omar (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      This paper presents a particle swarm optimization approach for the placement of distributed generation (DG) in the distribution system. DG installation in the distribution system is very useful in reducing the line losses, ...

    • Economic dispatch problem using DM – AIS technique 

      Siti Rafidah, Abdul Rahim; Muhamad Hatta, Hussain; Mohd Fayzul, Mohammed; Zainuddin, Mat Isa; H. Tajudin; Mohd. Herman, Sulaiman, Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      This paper present the implementation of Double Mutation – Artificial Immune System (DM-AIS) in solving the economic dispatch (ED) problem with transmission losses by minimizes the fuel cost and also controls the generator ...

    • EG allocation and sizing using real coded genetic algorithm method to minimize losses and improve voltage profile 

      Mohd Herwan, Sulaiman; Omar, Aliman; Siti Rafidah, Abdul Rahim; Mohd Rafi, Adzman (Universiti Teknikal Malaysia Melaka (UTeM), 2010-02-18)
      This paper propose a new methodology using Real Coded Genetic Algorithm (RCGA)for the optimal allocation and sizing of Embedded Generation (EG) to minimize the total power losses and to improve voltage profile in the radial ...

    • Firefly algorithm technique for solving economic dispatch problem 

      Mohd Herwan, Sulaiman, Dr.; Mohd Wazir, Mustafa, Prof. Dr.; Zetty Nurazlinda, Zakaria; Omar, Aliman; Siti Rafidah, Abdul Rahim (Institute of Electrical and Electronics Engineers (IEEE), 2012-06-06)
      This paper presents the implementation of Firefly Algorithm (FA) in solving the Economic Dispatch (ED) problem by minimizing the fuel cost and considering the generator limits and transmission losses. ED is one of the most ...

    • Generation of Digital Pulse Width Modulation (DPWM) with TMS320F2812 Digital Signal Processor 

      Mohd Faridun Naim, Tajuddin; M. S., Azizan; Mohd Fayzul, Mohammed; Baharuddin, Ismail; Siti Rafidah, Abdul Rahim; Mohd Rafi, Adzman; Zainuddin, Mat Isa; Syahrul Ashikin, Azmi; Ismail, Daut (Universiti Malaysia Pahang (UMP), 2009-06-20)
      This paper presents the programming and use of TMS320F2812 Digital Signal Processor (DSP) in generating the Digital Pulse Width Modulation (DPWM). The structure and functions of eZdsp 2812 board used in this project is ...

    • Optimal allocation and sizing of DG in distribution system using evolutionary programming technique 

      Siti Rafidah, Abdul Rahim; Titik Khawa, Abdul Rahman; Ismail, Musirin; Syahrul Ashikin, Azmi; Zainuddin, Mat Isa; Omar, Aliman; Ismail, Daut, Prof. Dr. (Universiti Teknologi MARA (UiTM), 2008-06-04)
      In recent years, distributed generation (DG) installation has shown an increasing growth in the distribution networks around the world due to the raise in promotion towards utilization of renewable energy resources and ...

    • Optimal allocation and sizing of distributed generation in distribution system via firefly algorithm 

      Mohd Herwan, Sulaiman, Dr.; Mohd Wazir, Mustafa, Prof. Dr.; Azralmukmin, Azmi; Omar, Aliman; Siti Rafidah, Abdul Rahim (Institute of Electrical and Electronics Engineers (IEEE), 2012-06-06)
      This paper presents an application of Firefly Algorithm (FA) in determining the optimal location and size of Distributed Generation (DG) in distribution power networks. FA is a meta-heuristic algorithm which is inspired ...

    • Particle swarm optimization approach for optimal distributed generation allocation in distribution system 

      L. Y., Wong; Siti Rafidah, Abdul Rahim; Mohd Herwan, Sulaiman; Omar, Aliman (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      In this paper, a particle swarm optimization approach is used for the placement of distributed generation (DG) in the distribution system. DG installation in the distribution system is very useful in reducing the line ...

    • Performance improvement in distribution network with DG 

      Siti Rafidah, Abdul Rahim; Titik Khawa, Abdul Rahman, Dr.; Ismail, Musirin, Dr.; Syahrul Ashikin, Azmi; Mohd Fayzul, Mohammned; Muhd Hatta, Hussain; Mohammad Faridun Naim, Tajuddin (Universiti Teknologi MARA (UiTM), 2008-06-04)
      Rapid industrialization and population growth have resulted in an escalation in the electrical power demand. Due to limited area and slow progress in network expansion some regions have become high density load areas, for ...

    • A robust adaptive predictive load frequency controller to compensate for model mismatch 

      Siti Fatimah, Siraj, Prof. Madya; Mohd Zaki, Ab. Muin, Prof. Dr.; Nor, K. M.; Siti Rafidah, Abdul Rahim; Mohamad, M. F.; Ernie, Che Mid (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      The paper describes the design and implementation of a self-tuning load frequency controller (LFC) of a power system based on the adaptive generalized predictive (AGP) controller. The application of predictive control in ...

    • Separately-excited dc motor: A software design development 

      Syahrul Ashikin, Azmi; Mohd Faridun Naim, Tajuddin; Siti Rafidah, Abdul Rahim; Mohd Fayzul, Mohammed; Zainuddin, Mat Isa (Universiti Malaysia Pahang (UMP), 2009-06-20)
      This paper present a study on designing dc motor based upon performance specification given by the customer using interactive computer software, MATLAB® programming. The project mainly focuses on performing and formulating ...

    • A study on optimization techniques for the sizing of DG in distribution system 

      Siti Rafidah, Abdul Rahim; Syahrul Asyikin, Azmi; Mohd Herwan, Sulaiman; Muhamad Hatta, Hussain; Siti Nor Baizura, Zawawi (Universiti Malaysia Perlis (UniMAP), 2009-12-07)
      Recent changes in the electric utility infrastructure created the opportunities for many technological innovations including the application of DG in order to achieve a variety of benefits. To achieve the benefits, factors ...

    • A study on voltage sag in industry system with adjustable speed drive 

      Syahrul Ashikin, Azmi; Mohd Fayzul, Mohammed; Siti Rafidah, Abdul Rahim; Mohd Rafi, Adzman; Zainuddin, Mat Isa; Ismail, Daut, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2008-03-15)
      The awareness of electric power quality has increased over the past decade as electronic equipment has become more susceptible to power disturbances. The most distruptive power disturbances is voltage sags. Voltage sags ...