Department of Energy Conversion


Publications:


Selected publications from ENCON
NRN Idris, CL Toh and M Elbuluk, “A New Torque and Flux Controllers for Direct Torque Control of Induction Motors” IEEE Transactions on Industry Applications, Nov/Dec 2006.
C.L. Toh, N.R.N. Idris and A.H.M. Yatim, “Constant and High Switching Frequency Torque Controller for DTC Drives”, IEEE Power Electronics Letters, Vol.3. June,2005.
NRN Idris, AHM Yatim, "Direct torque control of induction machines with constant switching frequency and reduced torque ripple", IEEE Transactions on Industrial Electronics, Volume: 51 , Issue: 4 , Aug. 2004, Pages:758 - 767
  A R Haron and NRN Idris, “Simulation of MRAS-based Speed Sensorless Estimation of Induction Motor Drives using MATLAB/SIMULINK”, First International Power and Energy Conference 28 and 29 November 2006, Kuala Lumpur.
  Md Zarafi Ahmad, NRN Idris, “Overmodulation and Field Weakening in Direct Torque Control of Induction Motor Drives”, First International Power and Energy Conference 28 and 29 November 2006, Kuala Lumpur.
  Salam, Z.; Ramli, M.Z.; Tof, L.S.; Nge, C.L., "An isolated bidirectional inverter using high frequency center-tapped transformer", Second International Conference on Power Electronics, Machines and Drives (PEMD 2004), (Conf. Publ. No. 498) , Volume: 2 , March 31, - April 2, 2004 Pages:644 - 649
  Ayob, S.M.; Salam, Z., "A new PWM scheme for cascaded multilevel inverter using multiple trapezoidal modulation signals", Second International Conference on Power Electronics, Machines and Drives (PEMD 2004),  (Conf. Publ. No. 498) , Volume: 1 , March 31 - April 2, 2004, Pages:242 - 246
N.R.N Idris and A.H.M. Yatim, “Improved stator flux estimation in steady state operation for Direct Torque Control of Induction Machines”, IEEE Transactions on Industry Applications Vol. 38 No. 1, Jan./Feb. 2002 Pg: 110 -116
  CL Toh,  NRN Idris, AHM Yatim, "New torque and flux controllers for direct torque control of induction machines", The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003. , Volume: 1 , 17-20 Nov. 2003, Pages:216 - 221.
  Salam, Z.; Safie, S.I.; Yiap, L.J., "Analytical approach to obtain the harmonics spectra on a five level inverter with subjected to a new modulation scheme",The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003, Singapore.
  Salam, Z.; Safie, S.I.; Yiap, L.J.,"An on-line harmonics elimination PWM scheme for three-phase voltage source inverters",The Fifth International Conference on Power Electronics and Drive Systems, 2003. PEDS 2003, Singapore.
N.R.N.Idris, A.H.M Yatim, N.D. Muhamad and T.C. Ling “Constant frequency torque and flux controllers for direct torque control of induction machines”, The 34th IEEE Power Electronics Specialist Conference PESC03, Acapulco, Mexico, June 2003. 
  Aziz, J.A.; Salam, Z.,"A PWM strategy for the modular structured multilevel inverter suitable for digital implementation", VIII IEEE International Power Electronics Congress, 2002.  CIEP 2002.  , 20-24 Oct. 2002, Pages:160 - 164
  Salam, Z.; Lynn, C.T., "Algorithm for near optimal harmonics elimination PWM based on quadratic approximation method", IECON 02 [Industrial Electronics Society, IEEE 2002 28th Annual Conference of the] , Volume: 2 , 5-8 Nov. 2002, Pages:1306 - 1311 vol.2
  N.R.N.Idris and A.H.M Yatim, “Reduced torque ripple for a direct torque control of induction machines”,  Electric Power Components and Systems of the Taylor and Francis Journals, Vol 39, 2002.

N.R.N.Idris and A.H.M Yatim, “Direct Torque Control of Induction machines with constant switching frequency and improved stator flux estimation”, IEEE 27th Annual Industrial Electronics Society Conference IECON 2001, Denver, Colorado, USA. 

N.R.N.Idris and A.H.M Yatim, “Improved stator flux estimation in steady state operation for Direct Torque Control of Induction Machines”, 35th IEEE   Industry Applications Society Annual meeting 2000, Rome, Italy, Oct. 2000. 
N.R.N.Idris and A.H.M Yatim, “Reduced torque ripple and constant torque switching frequency direct torque control of induction machines”, 15th IEEE   Applied Power Electronics Conference and Exposition (APEC) 2000, New Orleans,USA, Feb. 2000.
  Nik Rumzi Nik Idris, Abd. Halim Mohd Yatim “High performance induction motor drive”, RECEE 2000, Kuala Lumpur, Feb. 2000.
  Nik Rumzi Nik Idris, Abd. Halim Mohd Yatim “High performance direct torque control of induction motor drive utilising TMS320C31 digital signal  processor”, First Malaysia Industry/University DSP contest 2000, Tech Park, Kuala Lumpur, Feb. 2000. - Ist prize winner
  Nik Rumzi Nik Idris, Abd. Halim Mohd Yatim “The Direct Torque Control of Induction Motor Drive”, World Engineering Congress 99, Universiti Putra  Malaysia, Serdang, Malaysia, 1999.
  Nik Rumzi Nik Idris, Abd. Halim Mohd Yatim “The Development of a Direct Torque Control of Induction Motor Drive”, Journal Elektrika, Fakulti  Kejuruteraan Elektrik, Universiti Teknologi Malaysia, UTM, Skudai, Johor, 1999

 

Zainal Salam and C.J. Goodman; "Compensation of Low Frequency Beat Current Using the Volt-second Equalization Method for Traction Inverter Drives", Jurnal Elektrika, Dis 1995.
  Zainal Salam and C.J. Goodman; "Compensation of fluctuating DC link voltage for traction inverter drives", IEE 6th International Conference on Power Electronics and Variable Speed Drives (PEVD 96), Nottingham, UK, 23-25 Sep. 1996.
  Zainal Salam and C.J. Goodman; "Compensation of low-frequency beat current in traction drives using the volt-second equalization method"; 7th European Conference on Power Electronics and Applications (EPE '97), Trondhiem, Norway, 8-10 Sep. 1997.
  A. Halim, Shahidul I. Khan, N. Rumzi and A. Jusoh; "Design and Construction of Electrical Systems of a Solar Car", in Conf. Proceedings the International Symposium on Advances in Alternate/Renewable Energy (ISAAE'97), Johor Bahru, Malaysia, pp.535-541, July 22-24, 1997.
  Faridah Taha, A. Halim, Shahidul I. Khan and Shafiqul Islam ; "Modeling and Simulation of A Fuel Cell Power System using PSPICE and MATLAB", in Conf. Proceedings the International Symposium on Advances in Alternate/Renewable Energy (ISAAE'97), Johor Bahru, Malaysia, pp. 495-500, July 22-24, 1997.
  A.H.B.M. Yatim, R.Nazir, W.H. Ismail; "Large Variation Speed Generator Using a Wound-Rotor Self-Excited Induction Generator with Combined Rotor and Stator Excitation", 11th International CEPSI conference on 20-25 Oct 96, Kuala Lumpur.
  M.N. Abdul Kadir, A.H.B.M. Yatim, "High Efficiency Control Strategy For Switched Reluctance Motors For Electrical Vehicles Propulsion", ROVPIA'96 International Conference On Robotics Vision and Parallel Processing For Industrial Automation, 28-31 Nov 1996, Ipoh, Malaysia.
  M.N. Abdul Kadir. A.H.B.M. Yatim, "Maximum Efficiency Operation Of Switched Reluctance Motor By Controlling Switching Angles", 2nd IEEE International Conference on Power Electronics and Drive Systems, 26 -29 May 1997, Singapore.
  Abdul Halim Mohd Yatim, Refdinal Nazir, "Development of a Wind Energy Generator Using a Wound Rotor Self Excited Induction Generator", International Symposium On Advances In Alternative/Renewable Energy, 22 - 24 July 1997, UTM Skudai.
  A.H.B.M. Yatim, M.N. Abdul Kadir, "Switched Reluctance Motor Optimum Switching Angles Derived from Motor Characteristics", 3rd International Conference On Modeling and Simulation, 29-31 Oct 1997, Melbourne, Australia.
  A.H.B.M. Yatim Refdinal Nazir, " Modelling and Simulation of Transient Performance of a Wound-Rotor Self-Excited Induction Generator with Combined Rotor and Stator Excitation", 3rd International Conference On Modelling and Simulation, 29-31 Oct 1997, Melbourne, Australia.
  Shahidul. I. Khan, "Illumination Technology Prevailing In SAARC Countries: Bangladesh Situation", 23rd Session of International Commission on Illumination, New Delhi, November 1-8, 1995.
  Shahidul. I. Khan, Electrical "Energy Forecasting and Management in Bangladesh", in Conference Record Electricity Sector Development and Demand Side Management (ESDDSM '95), Kuala Lumpur, pp.88-95, November 21-22, 1995.
  Md. Shah Majid, Shahidul I. Khan, H. Rahman and Saifur Rahman, "Analysis and Design of a Photovoltaic Installation in Sabah and Sarawak", in Conference Record, 11th Conference on the Electricity Power Supply Industry ( CEPSI), Kuala Lumpur,Vol. 4, pp. 778-784, .October 21-25, 1996.
  Shahidul I. Khan and Faridah Bt. Mohd. Taha, "Illumination Technology in Malaysia", in Conference Record, the 3rd SAARC Lighting Conference, Kathmandu, Nepal, pp.187-190, Nov. 21-23, 1996.
  Shahidul I. Khan, A. Halim, N. Rumzi, A. Jusoh and N. Azli, "Analysis and Design of An Unbalanced Input Three Phase Controlled Rectifier", in Conf. Proceeedings the 2nd International Conference on Power Electronics & Drives Systerms (PEDS'97), Singapore, pp. 787-791, May 26-29, 1997.
  Shahidul I. Khan, Md. Shah Majid, Faridah Taha and Hasimah A. Rahman, "Renewable Energy Resources of Malaysia", in Conf. Proceeding the International Symposium on Advances in Alternate/Renewable Energy (ISAAE'97), Johor Bahru, Malaysia, pp. 281-289, July 22-24, 1997.
  Awang Jusoh, "Design of A Wide Load Range High Power DC-DC Converetr For Spacecraft Application", Jurnal Elektrika, Jidil 8 Bil. 2, pp.35-41, December, 1995
  Pakharuddin Mohd Samin, Mohd. Zaki Daud, "The Performance of Malaysia Solar Bike Team During 1997 ETSA World Solar Cycle Challenge in Adelaide, Australia", Second ASEAN Renewable Energy Conference, Phuket, Thailand, Nov. 1997



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