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Parameter determination of 0.5 hp induction motor based on load factor test - A case study
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)
The load can influence the efficiency of the induction motor. Even if the load has higher or less load factor, it can reduce the efficiency of an induction motor by several percentage. By knowing this, it is important that ...
Special designed universal power switching generator for power electronics studies
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)
This paper presents a specially designed power switching generator device that produces 4 types of waveforms; square-wave, sinusoidal PWM, quasi-sinewave or multilevel and high-frequency DC pulses with a total of 14 different ...
Special designed universal power switching generator simplifies power electronics studies
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)
This paper presents a specially designed power switching generator device that produces 4 types of waveforms; square-wave, sinusoidal PWM, quasi-sinewave or multilevel and high-frequency DC pulses with a total of 14 different ...
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 ...
Design of high-side MOSFET driver using discrete components for 24V operation
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
This paper presents the design of a high-side N-channel MOSFET driver using discrete components for 24Vdc operation. Special level shifting technique is used to increase the gate voltage higher than the supply voltage. ...
Harmonic content as the indicator of transformer core saturation
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
The paper proposes a measurement method for obtaining the parameters needed to calculate a reliable indicator of the state of transformer core saturation. The major nonlinear effects in transformer core are saturation, ...
Current transformer reaction with linear and non-linear loads
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
The used of non-linear loads nowadays in industrial system has increased accordance
with the present technology. However, the used of non-linear loads supply more
harmonic distortion into the distribution systems. ...
Power losses test for electrical machine design on non-grain oriented different thickness material
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
This paper examines the effect of thickness in power loss for non-grain oriented material. In this paper, Epstein frame is optimized for both materials and the data is presented based on 50 Hz. The leakage flux is investigated ...
Measurement of overall power loss and flux leakage in M4 grain-oriented silicon iron assembled with 45o T-joint of three phase transformer core
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
In this paper, the result of an investigation on the effect of using M4 Grain-Oriented Silicon Iron core material to the 100kVA three phase distribution transformers has been analyzed. The investigation includes the variation ...