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Designs of 10 MW Air-core and Iron-core HTS Wind Power Generators
성해진,박민원,유인근 대한전기학회 2015 Journal of Electrical Engineering & Technology Vol.10 No.2
High Temperature Superconducting (HTS) synchronous generators can be designed witheither an air-core type or iron-core type. The air-core type has higher efficiency under rated rotatingspeed and load than the iron-core type because of the iron losses which may produce much heat. However, the total length of HTS wire in the air-core type is longer than the iron-core type because thegenerated magnetic flux density of the air-core type is low. This paper deals with designs of 10 MWair-core and iron-core HTS wind power generators for wind turbines. Fully air-core, partially iron-core,and fully iron-core HTS generators are designed, and various stator winding methods in the three HTSgenerators are also considered, such as short-pitch concentrated winding, full-pitch concentratedwinding, short-pitch distributed winding, and full-pitch distributed winding. These HTS generators areanalyzed using a 3D finite elements method program. The analysis results of the HTS generators arediscussed in detail, and the results will be effectively utilized for large-scale wind power generationsystems.
Hardware Integration and Performance Analysis of a 10 kW HTS Wind Power Generator
성해진,고병수,박민원 대한전기학회 2019 Journal of Electrical Engineering & Technology Vol.14 No.4
The use of high temperature superconducting (HTS) generators in a large-scale wind power generation systems has drawn much attention as a contemporary research topic. In this paper, a prototype 10 kW HTS generator was designed based on the suggested design process considering electromagnetic, thermal and mechanical characteristics of the generator. We estimated the output power of the generator and operating current of the HTS fi eld coils was decided considering the critical current and perpendicular magnetic fi eld of the HTS wire. The thermal characteristics of the HTS generator was analysed to confi rm that it was cooled to the operating temperature of 30 K. The torque tube and sticks of the HTS rotor part in the generator were designed and analysed to withstand mechanical stress considering the torque and thermal contraction. Based on these results, the HTS generator was built, and tested to prove the adequacy of the established design process of the generator. The measured cooling temperature of the fabricated generator was cooled to the target temperature of 30 K, and the magnetic fi eld values of the HTS fi eld coils and armature were the same as the simulation values. Finally, the output power of the generator was reached to the target output power of 10 kW. In this paper, the detailed results of the operating performance of the 10 kW HTS generator are discussed in detail.
체험마케팅과 비쥬얼 머천다이징의 구성요소가 구매의도에 미치는 영향
성해진(Hae Jin Seong),이지민(Ji Min Lee),이현화(Hyun Hwa Lee) 한국디자인문화학회 2013 한국디자인문화학회지 Vol.19 No.3
본 연구는 아웃도어 브랜드 플래그쉽 스토어의 VMD 구성요소와 체험마케팅 요소가 소비자의 구매의도에 미치는 영향을 조사하였다. 연구진행은 매장선정을 위한 사례조사와 매장방문 고객의 소비자 조사로 진행하였다. 선정된 매장에 방문한 소비자 192명의 자료를 수집하여 분석하였다. 자료는 기술통계, 요인분석, t-test, 중회귀분석 등의 통계방법을 SPSS 20.0을 사용하여 분석하였다. 연구결과 VMD에 영향을 받아 상품을 구매한 경험이 있는 집단이 구매경험이 없는 집단보다 VMD 구성요소에 대한 평가와 체험마케팅요소에 대한 평가, 구매의도를 더 긍정적으로 지각하는 것으로 나타났다. VMD 구성요소 중 기능성은 소비자의 체험마케팅 인식과 유의한 관계를 나타내지 않았으나, 조화성 및 적합성, 매력성과 유행성은 정적으로 유의한 관계를 나타냈다. VMD 구성요소 중 매력성만이 구매행동에 유의한 영향을 미쳤다. 체험마케팅의 요인 중 행동 및 관계 요인만이 브랜드 태도 및 구매행동에 유의한 영향을 미쳤다. 본 연구의 결과는 아웃도어 매장 내체험마케팅 요소의 중요성을 실증적으로 규명하였다고 본다. 아웃도어 브랜드에서의 VMD 구성요소와 체험마케팅 요소의 관련성은 추후 매장 내 VMD의 전략수립을 위한 방향을 제시할 수 있을 것이다. The purpose of the study was to investigate the relationships between component of visual merchandising and experiential marketing, and their effects on purchase intention. This study focus on outdoor flagship store as a sample store for the study. The store used for data collection was selected by evaluation process of visual merchandising components and application of experiential marketing to visual merchandising. Data collection was conducted by mall intercept method by two researcher targeting customer who visit the store. A total of 192 responses were gathered and used for the further analysis. Data were analyzed to use descriptive analysis, factor analysis, t-test and multiple regression analysis. using SPSS 20.0. The results of the study provide that customer group who had purchase experience influenced by visual merchandising had significantly greater mean value in all factors of visual merchandising and experiential marketing. In addition, all factors of visual merchandising except function significantly and positively predict the all factors in experiential marketing. Attractiveness of visual merchandising positively influenced purchase intention. Action and relation factors of experiential marketing predicted purchase intention. The findings of the present study empirically investigated the importance of components of experiential marketing in outdoor flagship store. The meaningful relationship among components of visual merchandising and experiential marketing suggest vision and direction for visual merchandising strategy in outdoor brand store.