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문형배(Hyoung-Bae Moon),임성주(Seong-Joo Lim),이상중(Sang-Joong Lee) 한국조명·전기설비학회 2005 한국조명·전기설비학회 학술대회논문집 Vol.2005 No.11월
The deregulation of energy market, together with structure reorganization of vertically integrated companies in electrical utility requires efficient and reliable substation automation system. The problem of non-standards where other countries suffer through the SA projects could be settled using IEC 61850 and hereby the coming SAS project can realize the system that characterize the telecommunication standards and function integration.
김찬기(Chan-Ki Kim),박종광(Jong-Kwang Park),최영도(Young-Do Choi),임성주(Seong-Joo Lim),문형배(Hyoung Bae-Moon) 전력전자학회 2006 전력전자학술대회 논문집 Vol.- No.-
This paper deals with the HVDC system fault analysis and the sound noise analysis. In this paper, the reasons of the audible noise and vibration were analyzed, the fault waveform were analyzed using DTR (Digital Transient Recorder). Finally, using the fault current waveform and the vibration equation, the reason of crack of smoothing reactor support is estimated.
김찬기(Chan-Ki Kim),박종광(Jong-Kwang Park),최영도(Young-Do Choi),임성주(Seong-Joo Lim),문형배(Hyoung Bae-Moon) 전력전자학회 2006 전력전자학술대회 논문집 Vol.- No.-
This paper shows the comparison of operating characteristics between squirrel cage induction generator and DFIG(Double Fed Induction Generator). Because squirrel cage induction generator consume the reactive power due to magnetizing reactance, the capacitor is need to compensate the reactive power. Otherwise, two back-to-back PWM voltage-fed inverters connected between the stator and the rotor allow sub/super synchronous operation with low distortion currents. In this paper, the response characteristics of squirrel cage induction generator and DFIG, were analyzed and investigated using PSCAD/EMTDC.