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RISS 인기검색어
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- 저자 : 지인호(In Ho Jee) (검색결과 4 건)
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지인호,신승중,Jee, In-Ho,Shin, Seung-Jung 한국인터넷방송통신학회 2022 한국인터넷방송통신학회 논문지 Vol.22 No.5
In this study, Electromagnetic Induction Power Generation (EMG) is a structure consisting of a stator and a permanent magnet rotor, and is a method that enables power generation by using the kinetic energy of the human arm. Among them, the axial flux permanent magnet (AFPM) technique is a method that can act sensitively to the kinetic energy of the arm at a slow speed of the human body, and has a simple structure and can be designed and manufactured with an ultra-small size. Under the conditions of size of ø46×11mm, rotation speed of 7Hz (420rpm), output voltage 0.4VAC, output current 4.5mA, and output power 30mW were measured and analyzed the same as the target specification. Therefore, the purpose of this study is to study the power generation of the pendulum applying the AFPM (Axial Flux Permanent Magnet) technique to charge power to smart devices with kinetic energy of the human body.
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소수력 발전용 고효율 100kW 발전기의 설계해석 및 경제성 분석
지인호(In-Ho Jee),강승진(Seung-Jin Kang) 대한전기학회 2016 전기학회논문지 Vol.65 No.3
This paper shows the design of the 100 kW IPMSG for small hydraulic power generator. The high-efficient generator, method of the dual layer interior permanent magnet was studied to improve the method of the single layer interior permanent magnet, which is mostly used. Analysis of magnet arrangement and cogging torque was done by FEM. According to structure analysis of dual layer interior permanent magnet, the amount of usage of the permanent magnet was reduced and cogging torque was decreased as well. With these successful results, the high-efficient generator design was accomplished. Based on the results of the structure analysis, the test product was designed and manufactured. And the design values and performance outputs were compared and verified with success. Also, the economic feasibility was conducted based on the electric power generated from the test product installed at the site. By the B/C analysis, in case that only SMP was analyzed, B/C ratio was 1.24 at the discount ratio of 5.5%, which considered to be economically feasible. The study is expected to be used for the application of developing large scale high-efficient interior permanent magnet synchronous generator.
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이재호(Lee Jae-Ho),신덕호(Shin Ducko),장선봉(Jang Sun-Bong),안병구(An Beong-Ku),지인호(Jee In-Ho) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.4
안전필수시스템인 철도신호제어시스템의 신뢰성은 하드웨어와 소프트웨어의 신뢰도에 의해서 결정된다. 하드웨어의 신뢰도는 상대적으로 많은 연구와 환경적 시험을 통하여 비교적 용이하게 예측하고 입증할 수 있으나, 소프트웨어의 신뢰도는 반복실험결과에 의해서 추정해야 하므로, 입력 값에 따라서 신뢰도 추정치가 종속된다. 소프트웨어의 입력과 출력의 조합은 거의 Combinatoric으로 되기 때문 모든 경우를 시험하기는 불가능하다. 따라서 단순화된 방법에 의해서 소프트웨어의 신뢰도를 구하는 것이 중요한 문제로 부각되고 있다. 본 연구에서는 소프트웨어의 신뢰도를 예측하는 신뢰도 예측방정식(Reliability Prediction Equation)을 도출하여 신호제어시스템 소프트웨어에 대한 신뢰도 모델링을 수행하고자 한다.
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空力學 週期를 이용한 負壓 터빈: 대형산업용 비등가속 原自力 발전기
이동건(Dong Geon Lee),주남식(Nam Sik Joo),김동섭(Dong Sop Kim),지인호(In Ho Jee),서균렬(Kune Yull Suh) 대한설비공학회 2017 대한설비공학회 학술발표대회논문집 Vol.2017 No.6
Electricity has been generated first time ever on the face of the planet by filling a tank with 200 liters of water roughly 15 m above the floor so as to generate a natural vacuum for the so-called BIG BANG for Big Industry Grade Boiling Accelerated Naturalistic Generator. A turbine and a generator were installed in the supercooled Torricelli vacuum chamber created on top of about 10.3 m high water column. With a 20 mm polyethylene pipe, a 6 mm glass pipe nozzle and a pressure gauge ready to go, a vacuum space was produced by use of a bypass line to discharge air into the suction pipe to kick off the proof-of-principle test for the BIG BANG setup. The boiling accelerated two-phase mixture of gas and liquid phases formed in the nozzle region is considerably cooled down in the vacuum and passed down to drive the turbine whereby generating electricity. When boiling is accelerated by difference between the atmospheric and ultra low, or almost vacuum, pressures, the working fluid’s thermophysical properties vary sizably from the liquid phase to two-phase mixture of liquid and vapor/gas phases. Specifically, its temperature plummets, specific volume soars, and thus its flow velocity picks up dramatically. This first-of-a-kind engineering endeavors to seek big industry grade fluid machinery to convert this fluid’s kinetic energy into mechanical energy of the turbine rotor all the way to electrical energy resorting to ecological, naturalistic, renewable, reusable, recyclable resources for the benefit of mankind.
ScienceON
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