Now showing items 1-6 of 6
Comparison on performance of voltage sags miligation techniques
(Universiti Teknologi MARA (UiTM), 2009-06-03)
The increasing use of sophisticated electronics, high efficiency variable speed drive, and power electronic controller, power quality has become an increasing concern to utilities and customers. Voltage sags is the most ...
Gradient temperature on 3Phase transformer core with staggered yoke with 90 T-joint
(Universiti Malaysia Pahang (UMP), 2009-06-20)
This paper describes the result of measurement of localised temperature rise on 100kVA 3phase distribution transformer assembled with 90o T-joint and mitred lap corner joint with stagger yoke with overlap length of 10mm. ...
Power losses on grain oriented and non-grain oriented materials using epstein test for electrical machine design
(ACTA Press, 2009-10-12)
Modeling and definition of procedures leading to a good estimation of power losses in electrical machines from materials test data still is a challenge. The materials used in this experiment are grain oriented (GO) and ...
Normal flux distribution in 45o T-joint of three phase transformer core with staggered yoke and limb10mm
(ACTA Press, 2009-09-07)
This paper describes the result of measurement of normal flux distribution 3-phase 100kVA transformer core assembled with 450T-joint. The investigation involves the variation of normal flux distribution in the core lamination. ...
Design and modeling of induction motor using opera 2D based on aluminum material
(Institute of Electrical and Electronics of Engineering (IEEE), 2009-12-07)
This paper will describe how finite element analysis can be utilize to design and model the performance of rotary electrical machines. Special interest placed on the induction motor since the design is simple, and has ...
Comparison of copper rotor bars with aluminium rotor bars using FEM software - A performance evaluation
(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 ...