Myong-chul Shin

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One of the most important requirements of microgrid operation is to maintain a constant frequency such as 50 Hz or 60 Hz, which is closely related to a power balance between supply and demand. In general, microgrids are connected to power grids and surplus/shortage power of microgrids is traded with power grids. Since islanded microgrids are isolated from(More)
In this paper, we present an adaptive modulation/demodulation methods based on each load fluctuation after measuring and modeling of noise pattern due to the various load fluctuations of PLC (power line communication) transmission channel. Additionally, we proposed adaptive modulation for PLC using Decision Making Algorithm that could select the optimum(More)
Recently there have been many studies of power systems with a focus on "New and Renewable Energy" as part of "New Growth Engine Industry" promoted by the Korean government. "New And Renewable Energy"-especially focused on wind energy, solar energy and fuel cells that will replace conventional fossil fuels-is a part of the Power-IT Sector which is the basis(More)