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作者:... Hansang Lee , Byungju Park , Gilsoo Jang
来源:[J].Fusion Engineering and Design(IF 0.842), 2011, Vol.86 (4), pp.373-380
摘要:Abstract(#br)The KSTAR system, which includes a large amount of nonlinear load, is a relatively high reactive power consumption load which injects harmonic currents into the power system which could result in the possibility for a power system perturbation to occur in the transmi...
作者:... Yoon-sung Cho , Jaewan Suh , Gilsoo Jang
来源:[J].Physica C: Superconductivity and its applications(IF 0.718), 2014, Vol.504, pp.158-162
摘要:Abstract(#br)The concentration of large-scale power loads located in the metropolitan areas have resulted in high fault current levels during a fault thereby requiring the substation to operate in the double busbar configuration mode. However, the double busbar configuration mode...
作者:... Yoonsung Cho , Seungmin Jung , Gilsoo Jang
来源:[J].Physica C: Superconductivity and its applications(IF 0.718), 2014, Vol.504, pp.153-157
摘要:Abstract(#br)The Korea Electric Power Corporation (KEPCO) power system has the characteristics of the load being concentrated in the Seoul metropolitan region and direct power transfer from generations located at distant points in the system thereby resulting in high levels of fa...
作者:Dong-Hee Yoon , Gilsoo Jang , Young-Hwan Moon
来源:[J].International Journal of Electrical Power and Energy Systems(IF 3.432), 2013, Vol.53, pp.818-823
摘要:Abstract(#br)There are some kinds of remedial action schemes that deal with sudden disturbance situations in a transmission network. Generator tripping with an SPS (Special Protection System) is one of the remedial action schemes, and it is a powerful and effective method of solv...
作者:Yoon-Sung Cho , Gilsoo Jang
来源:[J].International Journal of Electrical Power and Energy Systems(IF 3.432), 2014, Vol.54, pp.658-663
摘要:Abstract(#br)This paper describes a new technique for enhancing the accuracy of high-voltage direct current (HVDC) systems in the state estimation of the Korean energy management systems. New methodology, which includes the accurate modeling of the HVDC systems using switching de...
作者:Yoon-Sung Cho , Jungsoo Park , Gilsoo Jang
来源:[J].Simulation Modelling Practice and Theory(IF 1.159), 2007, Vol.15 (7), pp.786-800
摘要:Abstract(#br)Time-domain simulation is an important tool for power system dynamic analysis. We solve a set of differential and algebraic equations (DAE) in order to study the dynamic behavior of power systems. These power systems include thousands of generators, exciters, turbine...
作者:Hansang Lee , Byeong-Mo Yang , Gilsoo Jang
来源:[J].Physica C: Superconductivity and its applications(IF 0.718), 2013, Vol.494, pp.280-285
摘要:Abstract(#br)This paper proposes a model for thermal protection relay for the high temperature superconducting (HTS) cables and thermal protection scheme in Icheon substation in Korea. The thermal protection is one of the most important factors to guarantee the reliability of the...
作者:... Hansang Lee , Gilsoo Jang , Byungmoon Han
来源:[J].Electric Power Systems Research(IF 1.694), 2009, Vol.80 (7), pp.807-814
摘要:Abstract(#br)This paper proposes the most feasible solution to overcome the failure of the 2nd harmonic filter in the static VAR compensator (SVC) which operates with the DC electric arc furnace (EAF) at Gwangyang Steel Mill in Korea. In order to investigate the causes of this fa...
作者:... Yoonsung Cho , Donghee Yoon , Gilsoo Jang
来源:[J].Physica C: Superconductivity and its applications(IF 0.718), 2013, Vol.494, pp.246-249
摘要:Abstract(#br)This paper proposes an application of the 100 kWh superconducting flywheel energy storage systems to reduce the peak power of the electric railway system. The electric railway systems have high-power characteristics and large amount of regenerative energy during...
作者:Yoon-Sung Cho , Hwachang Song , Gilsoo Jang
来源:[J].Electric Power Systems Research(IF 1.694), 2008, Vol.79 (4), pp.562-568
摘要:Abstract(#br)When an inter-area mode dominates a low-frequency oscillation in a stressed condition, control of the active power flow of interface lines, with compensating devices, can effectively reduce the electromechanical power oscillations. In general, interface lines in whic...

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