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정인영,허현도,김성재,한용섭,서성욱,박종문,In Young Chung,Hyoun Do Huh,Seong Jae Kim,Yong Seop Han,Seong Wook Seo,Jong Moon Park 대한안과학회 2013 대한안과학회지 Vol.54 No.8
Purpose: To report a case of a young male patient with retinitis pigmentosa (RP) accompanied by vitritis and neovascularization of the optic disk in both eyes who underwent unilateral vitrectomy for the treatment of vitreous hemorrhage in the right eye. Case summary: An 8-year-old boy visited our clinic with a complaint of night blindness. Both eyes showed inflammatory cells in the anterior vitreous and neovascularization of the optic disk confirmed by fluorescein angiography. Extensive vitreous hemorrhage developed in his right eye and he underwent unilateral vitrectomy. His final visual acuity was 0.6 in both eyes. Conclusions: Vitreous hemorrhage may be related to chronic inflammation in the vitreous and is a very rare RP complication. Vitrectomy can be an effective treatment option for RP complicated by vitreous hemorrhage.
SOI 소자에서의 바디 전압 안정화를 위한 실리콘 필름 Island 구조
정인영,이종호,박영준,민홍식,Chung, In-Young,Lee, Jong-Ho,Park, Young-June,Min, Hong-Shick 대한전자공학회 1999 電子工學會論文誌, D Vol.d36 No.1
SOI MOSFET에서 바디 전압을 안정시키기 위하여 바디 저항과 콘택 소모면적을 줄이면서도 SOI 고유의 장점을 그대로 유지시키는 IBC(Island Body Contact) 구조를 창안하였다. 이 구조는 여러 MOSFEET 들의 바디를 서로 연결하여 같이 콘택을 형성함으로써 면적의 증가 없이 훌륭한 바디 콘택효과를 갖게 된다. VLSI 소자로서의 그 가능성을 소자 시뮬레이션과 제작된 소자와 회로의 측정실험을 통하여 확인하였다. A new IBC(Island Body Contact) structure is introduced to SOI CMOS VLSI for stabilizing the body potential of the MOSFET without the additional area consumption. The improvement of the body contact effect is achieved by reducing the body resistance and the area is saved as the bodies of the MOSFETs are connected together. Its property as VLSI device is confirmed through the device simulations and the measurement.
ESS를 이용한 발전소 터빈제어밸브 전개 운전 제어로직 제안
정인영,이재헌,In Young Chung,Jae-Heon Lee 한국플랜트학회 2023 플랜트 저널 Vol.18 No.4
In order to respond to the demand for flexible operation of thermal power generation, development of natural sliding pressure operation that minimizes throttle loss by opening the turbine control valve 100% and maximize power generation efficiency in conjunction with ESS in order to quickly respond to fluctuations in the system frequency is required. The logic development of natural sliding pressure operation with ESS was developed to modify the existing logic at the power plant's top-level control logic such as the unit master, the boiler master and the turbine master. Cooperative control algorithms that complement the advantages and disadvantages of ESS operation (quick response, limited capacity) and power plant operation (slow response, continuous operation) not only improve efficiency when applied to actual power plants, but also respond quickly and flexibly to load demands to ensure system stability.
ESS를 이용한 발전소 터빈제어밸브 전개 운전 기술 분석
정인영(In Young Chung),심재웅(Jae Woong Shim) 대한전기학회 2020 전기의 세계 Vol.69 No.9
ESS 연계 순 변압운전 알고리즘은 ESS와 터빈 발전기의 장점은 살리고 단점은 상호 보완해 줄 수 있는 주파수 조정 운전방법이다. ESS는 주파수 조정에서 현저한 효과가 있어 전기품질 향상에 기여하고 순 변압운전은 발전소 에너지 효율을 높일 수 있으며 대기환경 개선에도 이바지 할 것으로 사료 된다. The natural sliding pressure operation linked ESS is frequency regulation operation method that utilizes the advantages of ESS and turbine generator and compensates for their disadvantages. ESS has a remarkable effect on frequency regulation, which can contribute to the improvement of electric quality. The natural sliding pressure operation can increase the energy efficiency of power plant and air quality improvement.