Browsing Conference Papers by Author "Dina Maizana, Maiz Ahmad"
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Analysis flux on transformer core lamination assembled with mix between 60o- 45o T-joint using 2DFEM
Dina Maizana, Maiz Ahmad; Ismail, Daut, Prof. Dr.; Fijay, Fauzi (Universiti Malaysia Perlis (UniMAP)Institut Matematik Kejuruteraan, 2010-06-02)This paper describes analysis 2DFEM on 100kVA 3phase distribution transformer assembled with mix between 60-45 T-joint and mitred lap corner joint with stagger yoke and limb for one lamination. The simulation involves the ... -
Comparison between the localized power loss and flux distribution in a three phase distribution transformer 100 kva assembled from various type of T-joint geometry with Staggered Yoke
Ismail, Daut; Dina Maizana, Maiz Ahmad; Soib, Taib (ACTA Press, 2008-04-02)This paper describes the result of an investigation of the variation of localized power loss and flux distribution in 3-phase transformer cores 100kVA assembled from various types of T-joint geometry. The localized power ... -
Comparison on losses and flux distribution among the three of 3 phase distribution transformer 1000kVA assembled from various amount of layer of transformer core lamination
Ismail, Daut; Dina Maizana, Maiz Ahmad; Shuhaimi, Zakaria; S. Uthman; Soib, Taib (Universiti Kuala Lumpur (UniKL), 2007-12-13)This paper describes the results of an investigation on the effect of different amount of layer of core lamination in three of 3 phase distribution transformers 1000kVA. The investigation involves the varian of power loss, ... -
Comparison on losses and flux distribution among three 3-phase distribution transformers 1000kVA assembled from various amount of layers per stack of transformers core lamination
Ismail, Daut; Dina Maizana, Maiz Ahmad; Shuhaimi, Zakaria; Soib, Taib (Universiti Kuala Lumpur (UniKL), 2007-12-13)This paper describes the results of an investigarion on the effect of different amount of layers per stack of core lamination in the three of 3 phase distribution transformers 1000kVA. The investigation involves the variant ... -
Comparison on losses and flux distribution between two 3-phase distribution transformers 1000kVA assembled with air gap and without air gap of transformer core lamination
Ismail, Daut; Dina Maizana, Maiz Ahmad; Shuhaimi, Zakaria; Soib, Taib (Institute of Electrical and Electronics Engineering (IEEE), 2007-12-06)This paper describes the result of an investigation on the effect of air gap of core lamination in two 3-phase distribution transformers 1000kVA. The investigation involves the variation of power loss, building factor, the ... -
Comparison on losses and flux distribution between two of 3 phase distribution transformer 1000kVA assembled with regular and irregular stack of transformer core lamination
Ismail, Daut; Dina Maizana, Maiz Ahmad; Shuhaimi, Zakaria; S. Uthman; Soib, Taib (Universiti Malaysia Perlis (UniMAP), 2008-03-10)This paper describe the result of an investigation on the effect of different stack of core lamination in the two of 3 phase distribution transformer 1000kVA. The investigation involves the variation of power loss, building ... -
Comparison on losses and flux distribution between two of 3 phase distribution transformer 1000kVA assembled with regular and irregular stack of transformer core lamination
Ismail, Daut; Dina Maizana, Maiz Ahmad; Shuhaimi, Zakaria; S. Uthman; Soib, Taib (The Malaysian Research Group (MRG), 2007-12-06)This paper describe the result of an investigation on the effect of different stack of core lamination in the two of 3 phase distribution transformer 1000kVA. The investigation involves the variation of power loss, building ... -
Comparison on losses and flux distribution between two of 3 phase distribution transformer core 3000 kVA assembled with different angle of T-Joint
Ismail, Daut; Dina Maizana, Maiz Ahmad; Shuhaimi, Zakaria; Soib, Taib (Malaysia - Japan University Center (MJUC), 2007-11-15)Thia paper describes the results of an investigation on the effect of the use of different angle of T-Joint in two models of 3 phase distribution transformer with capacity of 3000 kVA. The first model uses 3 phase distribution ... -
Contribution factors to transformer failure under no load condition and mitigation action
Ismail, Daut; Shahanom, Uthman; Young Zaidey; Dina Maizana, Maiz Ahmad; Moses, Anthony J. (Kolej Universiti Teknologi Tun Hussein Onn (KUiTTHO), 2006-12-20)The study on transformer failure was carried out on commercial 1500 kVA 33/11 kV in TNB network distribution systems. The damage experienced by the transformer under study was suspected due to the transient surge overvoltage ... -
Design guidelines for recycling of rotating machines
Ismail, Daut; Anayet Karim; Dina Maizana, Maiz Ahmad; Haziah, Abd Hamid; Samila, Mat Zali (International Association of Science and Technology for Development (IASTED), 2007-04-04)This paper describes the design guidelines of the rotating machine based on recycling. This explain the detail description of the rotating machine parts how to reuse. Technological issues arising from the following rotating ... -
Development of simple multilevel inverter using voltage regulator IC
Rosnazri, Ali; Soib, Taib, Prof. Madya Dr.; Risnidar Chan Bahaudin; Dina Maizana, Maiz Ahmad; Syafruddin, Hasan (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)This paper presents the development of a simple 5- level multilevel inverter for low power applications that not exceeding 30W using the common LM350 voltage regulator IC. A microcontroller with dedicated program is ... -
FEM on flux simulation of transformer core lamination assembled with 60oT-joint.
Fijay, Fauzi; Dina Maizana, Maiz Ahmad (Universiti Malaysia Perlis (UniMAP)Institut Matematik Kejuruteraan, 2010-06-02)This paper describes flux simulation using FEM on 100kVA 3phase distribution transformer assembled with 60T-joint and mitred lap corner joint with stagger yoke and limb for one lamination. The simulation involves the ... -
High side MOSFET driver design using discrete components for low voltage applications
Pungut, Ibrahim; Rosnazri, Ali; Ismail, Daut, Prof. Dr.; Soib, Taib, Prof. Madya Dr.; Dina Maizana, Maiz Ahmad; Risnidar Chan Bahaudin, Ir. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)This paper presents the design of a high-side N-channel MOSFET driver using discrete components for low voltage applications, ranging from 3V up to 24Vdc operation. Special level shifting technique is used to increase the ... -
In-plane flux distribution in the mix 60o- 45o T-joint of three phase transformer core
Dina Maizana, Maiz Ahmad; Ismail, Daut, Prof. Dr.; Rosnazri, Ali; Risnidar Chan Bahaudin, Ir.; Muhammad Irwanto (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)This paper describes the result of measurement of inplane flux distribution on 100kVA 3phase distribution transformer assembled with the mix 60o- 45o T-joint and mitred lap corner joint with stagger yoke of 10mm. ... -
Influence of the Mix 60° - 23° in different layers of T-joint of 3phase transformer core on longitudinal direction of flux distribution
Dina Maizana, Maiz Ahmad; Fijay, Fauzi (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)This paper describes the result of investigation of longitudinal direction of flux distribution in 100kVA 3phase distribution transformer assembled with the mix 60° - 23° in different layers of T-joint. The measurement ... -
Investigation of power factor on harmonic effect due to types of voltage source
Risnidar Chan Bahaudin, Ir.; Ismail, Daut, Prof. Dr.; Syafruddin, Hassan; M. I., Yussof; Rosnazri, Ali; Dina Maizana, Maiz Ahmad; Indra, Nisja; Masykur (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)This paper discussed about power factor on harmonic effect due to types of voltage source. Usually, the voltage source is sinusoidal. But in actually, the condition of the load is has voltage sources through the elements ... -
Investigation of relationships of adjustable speed drive (ASD) and type of voltage source on harmonic characteristics
Risnidar Chan Bahaudin, Ir.; Ismail, Daut, Prof. dr.; Surya, Hardi; M. I., Yussof; Rosnazri, Ali; Dina Maizana, Maiz Ahmad; Eddy, Warman; Masykur (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2012-10-16)This paper discussed about relationship of ASD and types of voltage source on harmonic characteristics. Usually, the voltage source is sinusoidal. But in actually, the condition of the load is it has voltage sources ... -
Normal direction of flux distribution in the mix 60° - 23° T-joint of three phase transformer core
Fijay, Fauzi; Dina Maizana, Maiz Ahmad (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)This paper describes the result of measurement of normal flux distribution 3-phase 100kVA transformer core assembled with the mix 60° - 23° in different layers of T-joint. The investigation involves the variation of normal ... -
Optimization of photovoltaic module electrical characteristics using genetic algorithm
Muhammad Irwanto; Ismail, Daut, Prof. Dr.; Merdang, Sembiring, Dr. Ir.; Rosnazri, Ali; Dina Maizana, Maiz Ahmad (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)This paper presents the optimization of PV module electrical characteristics using genetic algorithm (GA). A mathematical modeling was used to characterize the electrical characteristics of PV module. A 180 W, 30 V, ... -
Simulation of flux distribution and loss calculation at three-phase transformer core with the mix 60o-45o T-joint
Dina Maizana, Maiz Ahmad; Ismail, Daut, Prof. Dr.; Rosnazri, Ali; Syafruddin, Hassan; Risnidar Chan Bahaudin, Ir. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)This paper describes the result of simulation of flux distribution on 100kVA 3phase distribution transformer assembled with 23o T-joint and mitred lap corner joint with stagger yoke and limb for one lamination. The ...