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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
K. Mohanadasse (St. Joseph’s College of Engineering) C. Sharmeela (Anna University) D. Edison Selvaraj (Panimalar Engineering College)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.10 No.4
발행연도
2015.7
수록면
1,621 - 1,625 (5page)

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Power quality has always been a concern of power engineers. Certainly an argument can be successfully made that most parts of power engineering have the ultimate objective to improve power quality. AC motors were widely used in industrial and domestic applications. Generally, AC motors were of two types: Induction and Synchronous motors. In motor many parameters like different load cycling, switching, working in hot weather and unbalances creates harmonics which creates major reasons for temperature rise of the motors. Due to high peak value of voltage, harmonics can weaken insulation in cables, windings and capacitors and different electronic components. Higher value of harmonics increase the motor current and decrease the power factor which will reduce the life time of the motor and increase the overall rating of all electrical equipments. Harmonics reduction of all the motors in India will save more power. Coating of windings of the motor with nano fillers will reduce the amount of harmonics in the motor. Based on the previous project works, actions were taken to use the enamel filled with various nano fillers for the coating of the windings of the different AC motors. Ball mill method was used to convert the micro particles of Al₂O₃, SiO₂, TiO₂, ZrO₂ and ZnO into nano particles. SEM, TEM and XRD were used to augment the particle size of the powder. The synthesized nano powders were mixed with the enamel by using ultrasonic vibrator. Then the enamel mixed with the nano fillers was coated to the windings of the several AC motors. Harmonics were measured in terms of various indices like THD, VHD, CHD and DIN by using Harmonic analyzer. There are many other measures and indices to describe power quality, but none is applicable in all cases and in many instances, these indices may hide more than they show. Sometimes power quality indices were used as a basis of comparison and standardization. The efficiency of the motors was increased by 5 ? 10 %. The thermal withstanding capacity of the motor was increased by 5° to 15℃. The harmonics of the motors were reduced by 10 ? 50%.
#Single phase induction motor #Enamel #Coating #Nano filler #Load test #SiO₂ #Al₂O₃

목차

Abstract
1. Introduction
2. Coating of the Nano Filler Added Enamel to the Windings of the Motor
3. Experimental Analysis
4. Conclusions
References

참고문헌 (8)

참고문헌 신청
[학술지(정기간행물)] - H. Oraee / 2000 / A Quantitative Approach to Estimate the Life Expectancy of Electric Motors / IEEE Transaction on Dielectrics and Electrical Insulation 7 (6) : 790 ~ 796 google schola [학술대회논문] - K. Inuzuka / 2006 / Partial discharge characteristics of nanocomposite enameled wire for inverter fed motor / 2006 Annu. Rep. Conf. Elect. Insul. Dielec : 594 ~ 597 google schola [학술대회논문] - Guoqin Zhang / 2005 / Study of Nano TiO2 Filler in the Corona resistant Magnetic Wire Insulation Performance of Inverter-fed Motor / Proceedings of international Symposium on Electrical Insulating Materials google schola [학술지(정기간행물)] - Selvaraj, D. Edison / 2012 / Characterization of dielectric properties of the enamel filled with carbon nanotubes for the frequency range of 50 Hz-5 MHz / International Journal of Science and Engineering Applications 1 (2) : 102 ~ 106 google schola [학술지(정기간행물)] - Selvaraj, D. Edison / 2012 / Comparative Analysis of Dielectric Properties of Enamel Filled with Various Nanofillers such as ZrO2, Al2O3, CNT and ZnO / International Journal of Science and Engineering Applications 1 (1) : 51 ~ 55 google schola

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