한국해양대학교

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이중 농형 특성을 갖는 외측 회전형 유도전동기에 관한 연구

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dc.contributor.author 金炫秀 -
dc.date.accessioned 2017-02-22T06:52:44Z -
dc.date.available 2017-02-22T06:52:44Z -
dc.date.issued 2002 -
dc.date.submitted 56797-10-27 -
dc.identifier.uri http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002173982 ko_KR
dc.identifier.uri http://repository.kmou.ac.kr/handle/2014.oak/9951 -
dc.description.abstract Induction motor is the most widely used electric machine. There are two types of induction motor rotors which can be placed inside of the stator. One is called a squirrel cage rotor, while the other is a wound rotor. The squirrel cage rotor consists of conducting bars which are laid into slots carved in the face of the rotor and shorted at either end by large shorting rings. Because of simple and durable structure, low cost for operation and high efficiency, the squirrel cage induction motor has extensive application in the industry fields. In recent years, the use of that motor for various fans has been also on an increasing trend. This paper presents a newly developed double squirrel cage induction motor for the fan and the facilities like that. All of the existing induction motors are composed of two parts, rotor and stator, and the position of rotor is exclusively the inside of stator. However, the rotor of the developed induction motor is located outside the stator. The outside rotor type brushless dc motor has been often used for VTR's head drum and PC's cooling fan these days, but this kind of induction motor has not been developed yet. It is believed that the outside rotor type induction motor is suitable for the fan due to its large inertia which can reduce the change of air flow rate resulting from input power or load fluctuation. In this paper, two tests for obtaining the electrical parameters of the outside rotor type induction motor, which are locked rotor test and no load test, are described and those parameters are measured. Then, to find torque-speed curve, load test is carried out using a dynamometer and the program for motor performance. And, the developed induction motor is compared with the existing one in terms of torque, efficiency, power factor and output characteristics. The results of this paper are supposed to be used for the exploitation of the outside rotor type induction motor. -
dc.description.tableofcontents 목차 Abstract = iv Nomenclature = vi List of Tables = viii List of Figures = ix 제1장 서론 = 1 1.1 연구배경 = 1 1.2 연구내용 = 2 제2장 유도전동기의 특성 = 4 2.1 등가회로 = 4 2.2 손실과 전력의 흐름 = 5 2.3 등가회로 정수 결정 = 6 2.3.1 고정자 저항시험 = 7 2.3.2 무부하시험 = 8 2.3.3 회전자 구속시험 = 10 2.4 특수 농형 유도전동기 = 13 2.4.1 심구 농형 유도전동기 = 14 2.4.2 이중 농형 유도전동기 = 15 제3장 외측 회전형 유도전동기 = 18 3.1 사각형("□"형) 슬롯 외측 회전형 유도전동기 = 18 3.1.1 사각형 슬롯 유도전동기의 제작 = 18 3.1.2 실험장치의 구성 = 25 3.1.3 실험 및 고찰 = 27 3.2 원형("○"형) 슬롯 외측 회전형 유도전동기 = 34 3.2.1 원형 슬롯 유도전동기의 제작 = 34 3.2.2 실험 및 고찰 = 38 3.3 사각형 및 원형 슬롯 유도전동기의 성능비교 = 43 제4장 내측형 및 외측형 회전자 유도전동기의 성능비교 = 48 4.1 무부하 손실 비교 = 49 4.2 토크-속도 특성 비교 = 51 4.3 역률 특성 비교 = 52 4.4 효율 특성 비교 = 52 4.5 출력 특성 비교 = 53 제5장 결론 = 55 참고문헌 = 57 Appendix = 59 Appendix list = 59 Appendix A = 60 Appendix B = 64 Appendix C = 68 -
dc.publisher 한국해양대학교 -
dc.title 이중 농형 특성을 갖는 외측 회전형 유도전동기에 관한 연구 -
dc.title.alternative A Study on the Characteristics of Double Squirrel Cage Outside Rotor Type Induction Motor -
dc.type Thesis -
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