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백동현(Baek Song-Hyun),강원선(Kang Won-Shun),정형용(Hyung-Yong Jung),구경완(Kyung-Wan Koo) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.10
본 연구는 화재 발생시 직상발화우선경보방식을 사용하는 지상 5층 이상이고 연면적 3000㎡이상인 아파트단지에 각 동마다 설치하고 있는 방송용중계기 (RX MODULE)의 기능을 소망용 중계기에 부가하여 통합형 방재방송시스템을 구축하고자 한 것이다. 이를 위해 화재수신기와 방송반에 2중으로 설치하고 있는 화재연동 매트릭스회로와 비상방송연동 제어모듈(TX MODULE)을 하나로 통합하여 신호 전달체계의 단순화와 시스템의 소형화를 이루었다. 이를 위해 각 기능별로 구분되어 있던 방송장치들을 하나로 통합하여 화재수신기에 내장토록 하였다. 따라서 관리사무실 내부의 설치공간의 감소와 함께 화재감시와 방송시스템의 통합에 따른 경제성을 확보할 수 있다는 것을 확인하였으며 하자 발생요인을 감소시킬 수 있었다.
백동현(Dong-Hyun Baek),송호빈(Ho-Bin Song),정형용(Hyung-Yong Jung) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.4
Many photovoltaic (PV) systems are being developed and installed. For a PV developer, simulations are required before the experimental testing. However, most simulation tools do not offer data libraries for PV systems, so that some Institutes who try to use such software will be in difficulty. In this paper, simulations of performance and stability have been carried out using the software PSPICE. In this paper, the modelling of solar cell arrays, photovoltaic modules, PV generators, batteries and drive systems is carried out based on mathematical equivalence circuits and available data, and the models are converted into a data library for PSPICE that is user friendly. System variations can be modeled by simple parameter variation. To verify the accuracy of the simulation library, various models were run and compared to known systems.
백동현(Dong-Hyun Baek),송호빈(Ho-Bin Song),조문택(Moon-Taek Cho),주해종(Hae-Jong Joo),정형용(Hyung-Yong Jung),홍봉화(Bong-Hwa Hong) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
In the form of a solar cell module is installed over a large area, because they are used throughout the module does not represent a uniform dose represents the dose is often unbalanced. Because of this, I have to concentrate heat in one place the evidence of hot spot represents the result of overall efficiency is dropping. In this paper, solar cells using PSPICE for every one of the fundamental behavior characteristics, such as modeling and simulation is performed for. And safe operating area for the simulation of the solar cell modules to take advantage and were considered for use.
백동현(Dong-Hyun Baek),송호빈(Ho-Bin Song),조문택(Moon Taek Cho),정형용(Hyung-Yong Jung) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
In previous studies using general purpose simulator, PSPICE as part of a solar PV system was modeled. In this paper, in conjunction with the entire system to drive DC-DC Buck - Boost MPPT system and the system was modeled and all operating characteristics of the solar system was simulated.
송호빈(Ho-Bin Song),백동현(Dong-Hyun Baek),조문택(Moon-Taek Cho) 대한전기학회 2010 전기학회논문지 P Vol.59 No.4
In this paper, the simulation of solar system was used to facilitate PSPICE. Solar cells, Controller, MPPT system, DC-DC system modeling, and easy to use, made to the library. To prove the validity of the library for the temperature and space radiation were simulated and behavioral characteristics were identified. To prove the validity of the simulation, the hardware was constructed to the same conditions. Implemented using the hardware and the DSP controller for a real system, the results were confirmed by experiments.
조문택(Moon-Taek Cho),송호빈(Ho-Bin Song),김영춘(Young-Chun Kim),백동현(Dong-Hyun Baek),황락훈(Lak-Hoon Hwang),백종무(Jong-Mu Baek),조건식(Gun-Sik Cho) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
Worldwide problem, due to the depletion of energy to power more efficient use of the same capacity to improvise for the use of LED brightness is growing. Recent advances in LED technology have lead to LEDs' widespread use in outdoor-signal applications, such as in traffic and railroad signals. Likewise, for large system design and production of issues leading to the simulation should be performed with less effort than to create a system that is reliable. In this paper a wide field of use to more accurately simulate a LED, and easy to use PSPICE can be used as general-purpose use of the LED device modeling. According to a particular LED, the device easy to use basic input variables to the values of library. In order to determine the behavior of the library to provide basic diode device, compared with PSPICE simulations confirm the accuracy of the simulation was performed.