지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 문승재
- 발행연도
- 2014
- 저작권
- 한양대학교 논문은 저작권에 의해 보호받습니다.
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초록· 키워드
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IPMSM(Interior permanent magnet synchronous motor) is a next generation motor that can be substituted for a existing induction motor. However, The IPMSM is limited by heat from the inside. When a temperature inside the IPMSM exceeds allowable temperature, a insulator of a stator winding is damaged, and a permanent demagnetization of a permanent magnet occurs. These make a normal operation of the IPMSM and operation functions weak. Thus, a study of a cooling jacket to lower a temperature of the IPMSM needs.
This study deals with a cooling jacket of the 210 kW IPMSM for efficient cooling. A maximum diameter of the 210 kW IPMSM was about 400 mm, a width of stator and rotor was 220 mm. This numerical solution model did not include a bearing and other machine parts. Flow channel pattern of cooling jacket was designed as helix form, and the numerical solution was carried out by changing various experimental conditions. After a effect of cooling characteristic was accomplished as flow channel pattern of water cooling jacket and flow change, a thermal characteristic analysis of the IPMSM was conformed. Effect on a temperature distribution of the IPMSM was conformed according to the number of coiled pipe at the IPMSM and width change between inlet and outlet of pipe. Also, a thermal characteristic was calculated as Reynolds number of inside coolant channel, and valid Reynolds number was estimated. Cooling jacket’s form to cool the IPMSM efficiently could make an estimate through above the numerical solution. And we then plan to build a basis for the numerical solution of the IPMSM applied cooling jacket, and apply to thermal numerical solution of other motors.
This study deals with a cooling jacket of the 210 kW IPMSM for efficient cooling. A maximum diameter of the 210 kW IPMSM was about 400 mm, a width of stator and rotor was 220 mm. This numerical solution model did not include a bearing and other machine parts. Flow channel pattern of cooling jacket was designed as helix form, and the numerical solution was carried out by changing various experimental conditions. After a effect of cooling characteristic was accomplished as flow channel pattern of water cooling jacket and flow change, a thermal characteristic analysis of the IPMSM was conformed. Effect on a temperature distribution of the IPMSM was conformed according to the number of coiled pipe at the IPMSM and width change between inlet and outlet of pipe. Also, a thermal characteristic was calculated as Reynolds number of inside coolant channel, and valid Reynolds number was estimated. Cooling jacket’s form to cool the IPMSM efficiently could make an estimate through above the numerical solution. And we then plan to build a basis for the numerical solution of the IPMSM applied cooling jacket, and apply to thermal numerical solution of other motors.
목차
차 례 i국문요지 iii기호설명 iiiList of Figures vList of Tables vi제 1 장 서 론 11.1 연구배경 및 필요성 11.2 연구동향 31.3 연구내용 5제 2 장 수치해석 모델링 및 방법 72.1 IPMSM과 냉각재킷 모델링 72.2 수치해석 방법 102.2.1 수치해석 가정 102.2.2 지배방정식 102.2.3 초기조건 및 경계조건 112.2.4 유한요소법 14제 3 장 수치해석 수행 조건 173.1 유속 조건 173.2 유로 형상 조건 173.3 온도 계산 22제 4 장 수치해석 결과 244.1 냉각재킷 없을 때, IPMSM의 정상상태 온도 결과 244.2 냉각재킷 유로 형상에 따른 온도 결과 264.2.1 유속변화에 대한 고정자권선과 영구자석의 최고온도 264.2.2 감은횟수에 대한 고정자권선의 최고온도 294.2.3 유로 관 지름에 대한 고정자권선의 최고온도 및 열흡수량 334.2.4 냉각재킷 손실수두 및 구동력 36제 5 장 결 론 38참고문헌 40ABSTRACT 43
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