Browsing School of Electrical Systems Engineering (Articles) by Title

Now showing items 15-34 of 115

    • Comparison study on chebyshev and composite lowpass filter for harmonic rejection in two ways radio 

      Liew, Hui Fang; Syed Idris, Syed Hassan (Elsevier Ltd., 2013)
      The paper is on a comparison study on Chebyshev and Composite lowpass filter designed at 300-400 MHz used for harmonic rejection in two ways radio. The filter is used to attenuate harmonic that generated by power amplifier ...

    • Comparison study on chebyshev and composite lowpass filter for harmonic rejection in two ways radio 

      Liew, Hui Fang; Syed Idris, Syed Hassan (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      The paper is on a comparison study on Chebyshev and Composite lowpass filter designed at 300-400 MHz used for harmonic rejection in two ways radio. The filter is used to attenuate harmonic that generated by power amplifier ...

    • Computer designed solar concentrator 

      Omar, Aliman; Ismail, Daut; Muzamir, Isa; Mohd Rafi, Adzman (International Association of Science and Technology for Development (IASTED)/ACTA Press, 2007)
      This paper discusses a computer designed optical concentrator, which is providing efficient solar energy transfer to a Stirling Engine. The receiver can make line focusing onto the absorber of Stirling engine located at ...

    • A cost-effective method for high-quality 60GHZ optical millimeter wave signal generation based on frequency quadrupling 

      Nael Ahmed, Al-Shareefi; Syed Idris, Syed Hassan, Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Razali, Ngah, Assoc. Prof. Dr. ; Sura A., Abbas; Syed Alwee Aljunid, Syed Junid, Prof. Dr. (EMW Publishing, 2013)
      In this paper, we present a cost effective method to generate a high-quality quadruple frequency optical millimeter- wave (MMW) signal using an integrated dual-parallel Mach-Zehnder modulator (IDP-MZM). Not only does the ...

    • A critical review-power quality concerns 

      Anayet, Karem; Ismail, Daut; Indra, Nisja; Dina Maizana, Maiz Ahmad; Rajendran, S. (Universiti Malaysia Perlis, 2008)
      Power system quality concerns is the art and science of analyzing power system performance within a facility to determine potential problem areas or to better understand known problems in an electrical distribution system. ...

    • Current perspective of the renewable energy development in Malaysia 

      Salsabila, Ahmad; Mohd Zainal Abidin, Ab Kadir; Suhaidi, Shafie (Elsevier Ltd., 2011-02)
      It is estimated that oil reserves will not last very much longer; thus, a switch to alternative energy solutions is crucial. The Malaysian government has already prepared to face the situation decades before. Many policies ...

    • Current total harmonic reduction technique on three-level single phase transformerless photovoltaic inverter using PSpice 

      Ismail, Daut; Muhammad Irwanto, Misrun; Suhelmi; Shasidharan, Gomesh Nair; Mohd Irwan, Yusoff; Muhammad Fitra, Zambak; Risnidar, Chan Bahaudin (Universiti Malaysia Perlis (UniMAP), 2013)
      This paper presents simulation of three-level single phase transformerless photovoltaic inverter (TPVI). Proposed technique of the simulation is created in PSpice software. The simulation is constructed by two voltage ...

    • Damping improvement of power system oscillations by using optimal coordinated design between PSS and SVC-based stabilizer 

      Ali Nasser, Hussain; Mohd Fareq, Abd. Malek, Dr.; Mohd Abdur Rashid, Dr.; Latifah, Mohamed; Nuriziani, Hussin (Trans Tech Publications, 2013)
      The large expansion of electrical power systems usually results in problem of low frequency oscillations. Therefore, the conventional Power System Stabilizers (PSSs) used to solve this problem cannot provide an adequate ...

    • Design a quadband frequencies microstrip patch antenna with double C-shaped slot 

      Muhammad Majdi, Saad; Mohd Nor, Husain, Dato' Prof. Dr.; Nornikman, Hassan; Mohamad Zoinol Abidin, Abd. Aziz; Badrul Hisham, Ahmad, Dr.; Mohd Fareq, Abd. Malek, Dr. (Engg Journals Publications, 2013)
      A quadband frequencies microstrip square patch antenna with double C-shaped slot at the patch is proposed in this paper. First, a rectangular shaped patch antenna is designed for 2.40 GHz frequency (WLAN application) with ...

    • Design of a single-phase rectifier with improved power factor and low THD using boost converter technique 

      Ismail, Daut; Rosnazri, Ali; Soib, Taib (Science Publications, 2006)
      The method of using Boost type of converter was proposed for a 300W single-phase rectifier in this paper. By designing the necessary techniques and methodology, the overall Power Factor (PF) and Total Harmonic Distortion ...

    • Design of UHF harmonic butterworth low pass filter for portable 2 ways-radio 

      Liew, Hui Fang; Syed Idris, Syed Hassan, Prof. Dr.; Mohd Fareq, Abd. Malek, Dr.; Yufridin, Wahab, Dr.; Norshafinash, Saudin (Engg Journals Publications, 2013)
      This paper presents the design of a compact Butterworth low pass filter designed operating at frequency range of 300-400MHz with input and output impedance of 50 ohm have been designed, simulated and fabricated. This filter ...

    • Determination of power flow and loss allocation using superposition theory method 

      Mohd Herwan, Sulaiman; M.W., Mustafa; O., Aliman; Ismail, Daut, Prof. Dr. (Regional Energy Resources Information Center (RERIC), Asian Institute of Technology, 2008-03)
      This paper discussed a method to determine power flow and loss from individual generator to particular load and line flows for transmission open access. Based on solved load flow, the method uses basic circuit theories ...

    • Development of pyramidal microwave absorber using sugar cane bagasse (SCB) 

      Liyana, Zahid; Mohd Fareq, Abd Malek, Dr.; Nornikman, Hassan; Nur Adyani, Hj. Mohd Affendi; Azuwa, Ali; Nuriziani, Hussin; Badrul Hisham, Ahmad, Dr.; Mohamad Zoinol Abidin, Abd. Aziz (EMW Publishing, 2013)
      The need to find ways to effectively utilize the large quantities of agricultural waste that are produced is indicative of the huge potential associated with producing an alternative pyramidal microwave absorber for anechoic ...

    • Diagnosis of MV oil filled cable terminations with X-ray imaging and infrared (IR) thermography 

      Mohd Rafi, Adzman; Ismail, Daut, Prof. Dr.; Muzamir, Isa; Baharuddin, Ismail; Omar, Aliman; Lehtonen, Matti; Hyvonen, Petri (Science Publications, 2007)
      A main purpose of doing a diagnostic in cable system including its accessories such as impregnated paper insulated oil filled cable termination is to predict failure before they occur. Those cable and accessories, which ...

    • Discrimination and classification of Eurycoma longifolia Jack in medicinal foods by means of a DSP-based electronic taste sensor 

      M. Z., Abdullah; A.S.A., Rahman; Ali Yeon, Md Shakaff; Mohd Noor, Ahmad (SAGE Publications, 2004)
      Eurycoma longifolia Jack (ELJ), better known as Malaysian Ginseng, is fast becoming popular due to its efficacy as a general health and testosterone booster, and for its known aphrodisiac properties. With the growing ...

    • Double-series resonant inverter-fed voltage multiplier based high-voltage DC-DC converter 

      Lee, Sze Sing, Dr.; Shahid Iqbal; Mohamad Kamarol, Mohd Jamil, Dr.  (Taylor and Francis Group, LLC., 2013-11)
      This article presents a novel series resonant inverter-fed high-voltage DC-DC converter. The proposed converter consists of two resonant tanks that are energized by a half-bridge inverter. Two high-voltage transformers are ...

    • A dual-band array antenna using dome-shaped radiating patches 

      Raimi, Dewan @ Abdul Rahman; Sharul Kamal, Abd. Rahim, Assoc. Prof. Ir. Dr.; Mohd Fareq, Abd. Malek, Dr.; Siti Fatimah, Ausordin; Abdulrahman Amuda, Yusuf, Dr.; Saidatul Norlyana, Azemi (Wiley Periodicals, 2013-11)
      A novel design of a dual-band array antenna for Wireless Local Area Network and Worldwide Interoperability for Microwave Access applications is presented in this article. The antenna operates at 3.5 dBi (the lower band) ...

    • Dual-band, parabolic, slotted ground plane-directive antenna for WLAN applications 

      Muhammad Zairil, Muhammad Nor; Sharul Kamal, Abd. Rahim, Assoc. Prof. Ir. Dr.; Mursyidul Idzam, Sabran; Mohd Fareq, Abd. Malek, Dr. (Taylor & Francis, 2013)
      Wireless local area network (WLAN) is one of the common terms used by researchers in the communications area that allows wireless, long-range communication. Antennas are used as a medium of transmission, and in recent WLAN ...

    • An earth fault location scheme for isolated and compensated neutral distribution systems 

      Mohd Rafi, Adzman; Topolánek, David; Lehtonen, Matti I.; Toman, Petr (Praise Worthy Prize S.r.l., 2013-10)
      This paper proposes a scheme to locate an earth fault in an unearthed or a compensated neutral medium voltage (MV) network using the transient signal recorded from MV/LV substations. The algorithm applies continuous wavelet ...

    • Effect different limb of transformer core assemble on performance 

      Dina Maizana, Maiz Ahmad, Ir.; Mohd Afif, Mohd Radzi; Nuriziani, Hussin (Trans Tech Publications, 2014)
      This paper described the performance of transformer affected by different limb assembling. The experiment that used to investigate core is no-load, short circuit and load test to find the core loss, copper loss, flux leakage ...