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Il-Seok Choi, Akhtar Hussain, Van-Hai Bui and Hak-Man Kim
In this paper, an optimal energy management scheme for building microgrids with rooftop greenhouse is proposed. A building energy management system (BEMS) is utilized for the optimal fulfilment of energy demands in the building and the greenhouse. The ex...
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Van-Vinh Nguyen, Ho-Ik Son, Thai-Thanh Nguyen, Hak-Man Kim and Chan-Ki Kim
The use of high voltage direct current (HVDC) circuit breakers (CBs) with the capabilities of bidirectional fault interruption, reclosing, and rebreaking can improve the reliable and safe operation of HVDC grids. Although several topologies of CBs have b...
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Hyeong-Jun Yoo, Thai-Thanh Nguyen and Hak-Man Kim
A stand-alone multi-microgrid (MMG) system can be formed by connecting multiple stand-alone microgrids (MGs). In the stand-alone MMG system where the frequencies of each MG system are different, a back-to-back (BTB) converter can be used for interconnect...
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Thai-Thanh Nguyen, Hyeong-Jun Yoo and Hak-Man Kim
Battery energy storage systems (BESSs) have been widely used for microgrid control. Generally, BESS control systems are based on proportional-integral (PI) control techniques with the outer and inner control loops based on PI regulators. Recently, model ...
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Jong-Yul Kim, Hak-Man Kim, Seul-Ki Kim, Jin-Hong Jeon and Heung-Kwan Choi
Recently, interest in microgrids, which are composed of distributed generation (DG), distributed storage (DS), and loads, has been growing as a potentially effective clean energy system to mitigate against climate change. The microgrid is operated in the...
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