• 제목/요약/키워드: Electric Home Appliances

검색결과 145건 처리시간 0.021초

농촌소비자의 구매전 비교탐색행동에 관한 연구 - 전라남도지방의 농촌주부를 대상으로 - (Rural Consumers' Prepurchase Search Behavior - With Special Reference to Home Managers in Rural Korea -)

  • 윤정혜
    • 대한가정학회지
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    • 제20권4호
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    • pp.169-176
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    • 1982
  • This study attempts to explore and explain major socieconomic factors which determine the extent of rural consumers' external search behavior in cases of two product categories: electric appliances and clothing. For the purpose of this study, interviews were conducted with 201 home managers in four rural towns(Hwasun, Haenam, Naju, and Bulkyo) of South Cholla Province. On the whole, the hypotheses that socioeconomic status, age and the characteristics of region of rural consumers make significant differences in their shopping motivation and the extent of external search are generally supported in case of clothing. No substantial differences are found in case of electric appliances. This study suggests that the effective purchasing system and the providing of informative consumer information would be needed to rural consumers for their extensive search. It also suggests that psychological aspects and situational variables in addition to socioeconomic aspects presumably contribute to our understanding of search behavior.

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가전제품 화재 메커니즘 재현 및 분석을 위한 인프라 구축 (The Infrastructure Case for Reproduction or Analysis of The Mechanism on The Fire of The Electrical Appliances)

  • 장인혁;이창훈;이영주;임홍우
    • 한국신뢰성학회지:신뢰성응용연구
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    • 제15권1호
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    • pp.60-66
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    • 2015
  • In this paper, The infrastructure case for reproduction or analysis of the mechanism on the fire or the electrics shock of the electrical appliances is proposed. The various electrical appliances(Washing machine, Ballast, Electric heaters, Electronic switches, Mobile phone chargers) used in the home can be tested on the high voltage and over current test through the implementation of the infrastructure. The electrical tests of fire and electric shock consists of the high voltage of maximum 5000 V and over current test of 3 steps(90 A, 60 A, 40 A) and noise test. The mechanism of the fire and the electric shock tests reproduced are analyzed through the monitoring system and the oscilloscope. The electronics manufacturers can prevent accidents through the tests of the electronics factor reproduced and the analysis of the infrastructure designed.

가구별 에너지 사용 패턴 및 프로파일 설계 (Building Data for Household Energy Usage profile)

  • 이승한;고석배;한상수;손성용
    • 한국정보전자통신기술학회논문지
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    • 제4권4호
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    • pp.300-306
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    • 2011
  • 본 연구에서는 가구의 종류별 가전기기의 사용 패턴을 프로파일링 하여 제시한다. 현재 한국에서는 연간 사용된 가구당 전기기기별 총 사용량은 제시되고 있으나 가구 종류별 전력소비 프로파일 자료는 제시되고 있지 않다. 이런 자료를 수집하기 위해서는 각 가구별로 적어도 일년 이상 각 가구별, 전력기기별 전력사용을 모니터링해야 하는데 개인의 프라이버시 문제로 이런 연구는 진행하기가 쉽지 않다. 본 연구에서는 전력을 사용하는 가정의 종류를 구성원들을 크기 별로 구분하고 각 가정 구성원의 생활패턴을 가정하여 그에 따른 소비패턴 시나리오를 작성하였다. 이것을 바탕으로 통계청의 자료를 사용하여 각 가정별 에너지 소비 프로파일을 작성하였다.

Multi-Objective Optimization Model of Electricity Behavior Considering the Combination of Household Appliance Correlation and Comfort

  • Qu, Zhaoyang;Qu, Nan;Liu, Yaowei;Yin, Xiangai;Qu, Chong;Wang, Wanxin;Han, Jing
    • Journal of Electrical Engineering and Technology
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    • 제13권5호
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    • pp.1821-1830
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    • 2018
  • With the wide application of intelligent household appliances, the optimization of electricity behavior has become an important component of home-based intelligent electricity. In this study, a multi-objective optimization model in an intelligent electricity environment is proposed based on economy and comfort. Firstly, the domestic consumer's load characteristics are analyzed, and the operating constraints of interruptible and transferable electrical appliances are defined. Then, constraints such as household electrical load, electricity habits, the correlation minimization electricity expenditure model of household appliances, and the comfort model of electricity use are integrated into multi-objective optimization. Finally, a continuous search multi-objective particle swarm algorithm is proposed to solve the optimization problem. The analysis of the corresponding example shows that the multi-objective optimization model can effectively reduce electricity costs and improve electricity use comfort.

승압에 따르는 220V용 전기기기의 절연방식 결정에 관한 연구 (A Study on the Insulation Methods of 220V Home Appliances and Wiring Devices)

  • 이승원
    • 전기의세계
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    • 제20권4호
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    • pp.5-11
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    • 1971
  • This is a study on the insulation methods of home appliances and wiring devices proper to the new electric distribution system, primary side is 22.9/13.2KV, 3 phase 4 wire multigrounding system and secondary side is 380/220V, 3 phase 4 wire common neutral system. 1800V is determined as the electrical insulation voltage of the functional insulation because the abnormal voltage rise of the neutral line is 1300V. In the case of the functional insulation faults, the following safety methods will be suggested to protect the accidental faults: (a) class I appliance (accessible metal part is earthed), (b) class II appliance (doublly insulated), (c) class III appliance (operates at low voltage source). The mechanisms of the wiring devices are not improved to guarantee for the harmful electric shock but also the electrical insulation voltage is rised to 2000V.

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자동차 실내 전자파의 협대역 특성에 관한 연구 (A Study on Narrowband Electromagnetic Interference in The Cabin of Vehicle)

  • 김민우;우현구
    • 자동차안전학회지
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    • 제8권2호
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    • pp.30-36
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    • 2016
  • According to revolutionary developments in automobile technologies, various electronically controlled components of vehicles are rapidly increasing. A variety of advanced vehicles (hybrid vehicle, hydrogen fuel-cell vehicle, electric vehicle, etc.) using electrical energy source are increasing, too. The electromagnetic compatibility is getting more important for development of a vehicle because those advanced vehicles are equipped with more new electronic systems. In general, electromagnetic compatibility tests consist of an electromagnetic interference (EMI) test and an electromagnetic susceptibility (EMS) test. In this paper, in order to investigate the electromagnetic interference in the cabin of vehicle by various electric and electronic components of vehicles, a series of narrowband electromagnetic emission tests are conducted. For comparison, the several digital home appliances (smartphone under charging, laptop compuer and digital camera), which are used a lot in daily lives, are tested.