Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Design of a Miniature Fuse with High Breaking Capacity and Load Life Using a Ceramic Powder of Extinguishing an Electric Arc

아크 소호용 세라믹 분말을 이용한 높은 차단용량 및 고내구성을 갖는 초소형 퓨즈 설계

  • Kang, Chang yong (Department of Metallurgical Engineering, Pukyong National University) ;
  • Jin, Sang Jun (Development Team, SMART Electronics Inc) ;
  • Lee, Ye Ji (Graduate School of Management of Technology, Pukyong National University) ;
  • Youn, Jae Seo (Graduate School of Management of Technology, Pukyong National University) ;
  • Noh, Seong yeo (Department of Port Logistics System, Tongmyong University)
  • 강창룡 (부경대학교 금속공학과) ;
  • 진상준 (스마트전자(주) 개발팀) ;
  • 이예지 (부경대학교 기술경영공학과) ;
  • 윤재서 (부경대학교 기술경영공학과) ;
  • 노성여 (동명대학교 ICT항만물류시스템공학과)
  • Received : 2019.04.04
  • Accepted : 2019.04.17
  • Published : 2019.07.01
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Abstract

Recently, inverter control systems have attracted immense attention to increase the energy efficiency. However, such systems use repeated on/off high currents for linear operation control, instead of the prevalent step variable current control method. Hence, there arise concerns of personal and property damage, especially due to the durability, explosive characteristics, and operating speed of the fuse, which is responsible for safety and is one of the internal components using current control. Therefore, in this paper, we propose an IEC60127-4 SMD sub-miniature fuse, consisting of Ag-Cu alloys and ceramic powder for arc soothing. The IEC60127-4 SMD sub-miniature fuse has high durability and cut-off capacity, and operates safely in dangerous circumstances caused by the inverter control system.

Keywords

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Fig. 1. Wave form of high efficient inverter control system.

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Fig. 2. Structure of fuse sample.

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Fig. 3. Test result of voltage drop.

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Fig. 4. Test PCB and measurement point of voltage drop.

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Fig. 5. Change in rated current according to the wire composition of Ag-Cu alloy.

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Fig. 6. Change in rated current according to the arc removal powder composition.

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Fig. 7. Change in rated current according to the arc removal powder composition.

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Fig. 8. Analysis of structure with powder elements (a) ZrO2 composition and (b) SiO2 composition.

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Fig. 9. Analysis of structure with powder elements (a) ZrO2 composition and (b) SiO2 composition.

Table 1. Composition of the metal alloys.

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