http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
태양광-풍력 복합 발전시스템의 출력제어 특성에 관한 연구
이정일(J.I.Lee),서장수(J.S. Suh),윤필현(P.H. Yoon),차인수(I.S. Cha) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
The developments of the solar and the wind power energy are necessary since the future alternative energies that have no pollution and no limitation are restricted. Currently power generation system of MW scale has been developed, but it still has a few faults with the weather condition. In order to solve these existing problems, combined generation system of photovoltaic(400W) and wind power generation system(400W) was suggested It combines wind power and solar energy to have the supporting effect from each other However, since even combined generation system cannot always generate stable output with ever-changing weather con야tion, power compensation device that uses elastic energy of spiral spring to combined generation system was also added for the present study<br/> In an experiment, when output of system gets lower than I2V(charging voltage), power was continuously supplied to load through the inverter by charging energy obtained from generating rotary energy of spiral spring operates in small scale generator<br/>
육인수,이성호,진호,선광일,박수종,이대희,남욱원,문봉곤,차상목,한정열,경재만,김건희,양진석,Yuk, I.S.,Lee, S.L.,Jin, H.,Seon, K.I.,Pak, S.,Lee, D.H.,Nam, U.W.,Moon, B.K.,Cha, S.M.,Han, J.Y.,Kyeong, J.M.,Kim, K.H.,Yang, J.S. 한국천문학회 2005 天文學論叢 Vol.20 No.1
KASI (Korea Astronomy and Space Science Institute) is developing the near-infrared camera system named KASINICS (KASI Near-Infrared Camera System) which will be installed at the 60cm f/13.5 Ritchey-Chretien telescope of the Sobaeksan Optical Astronomy Observatory (SOAO). The camera system is optimized for JHKL bands and has a 6 arcmin FOV. The optical system consists of two spherical mirrors and a 8-position filter wheel. With the exception for the dewar window, all optical elements are cooled inside cryogenic dewar. Since the Offner system is adopted to prevent thermal noises from outside of the telescope primary mirror, the secondary mirror of the Offner system acts as a cold Lyot stop. The optical performance does not change by temperature variations because the Aluminum mirrors contract and expand homogeneously with its mount. We finished the design and fabrication of the optical parts and are now aligning the optical system. We plan to have a test observation on 2006 January.
문봉곤,정웅섭,차상목,이창희,박성준,이대희,육인수,박영식,박장현,남욱원,양순철,이선희,이승우,한원용,Moon, B.K.,Jeong, W.S.,Cha, S.M.,Ree, C.H.,Park, S.J.,Lee, D.H.,Yuk, I.S.,Park, Y.S.,Park, J.H.,Nam, U.W.,Matsumoto, Toshio,Yoshida, Seiji,Yang, 한국천문학회 2009 天文學論叢 Vol.24 No.1
MIRIS is the main payload of the STSAT-3 (Science and Technology Satellite 3) and the first infrared space telescope for astronomical observation in Korea. MIRIS space observation camera (SOC) covers the observation wavelength from $0.9{\mu}m$ to $2.0{\mu}m$ with a wide field of view $3.67^{\circ}\times3.67^{\circ}$. The PICNIC HgCdTe detector in a cold box is cooled down below 100K by a micro Stirling cooler of which cooling capacity is 220mW at 77K. MIRIS SOC adopts passive cooling technique to chill the telescope below 200 K by pointing to the deep space (3K). The cooling mechanism employs a radiator, a Winston cone baffle, a thermal shield, MLI (Multi Layer Insulation) of 30 layers, and GFRP (Glass Fiber Reinforced Plastic) pipe support in the system. Optomechanical analysis was made in order to estimate and compensate possible stresses from the thermal contraction of mounting parts at cryogenic temperatures. Finite Element Analysis (FEA) of mechanical structure was also conducted to ensure safety and stability in launching environments and in orbit. MIRIS SOC will mainly perform Galactic plane survey with narrow band filters (Pa $\alpha$ and Pa $\alpha$ continuum) and CIB (Cosmic Infrared Background) observation with wide band filters (I and H) driven by a cryogenic stepping motor.