Zobrazeno 1 - 10
of 312
pro vyhledávání: '"Hak Man Kim"'
Publikováno v:
IEEE Access, Vol 11, Pp 13191-13201 (2023)
Transportation electrification is considered a green alternative to internal combustion vehicles. However, higher penetration of electric vehicles (EVs) can cause several technical challenges to the power systems, including local equipment overloadin
Externí odkaz:
https://doaj.org/article/96c4f15b12c6418191f7bd6af6071674
Autor:
Martin Onyeka Okoye, Hak-Man Kim
Publikováno v:
IEEE Access, Vol 10, Pp 47154-47168 (2022)
The importance of the distributed generations cannot be overemphasized. This ranges from the contribution to resilience down to the energy cost efficiency advantage at the consumers’ end. The distributed generations in some localities, however, lac
Externí odkaz:
https://doaj.org/article/94fdb6a079ff4cd7a15dce946a0378ff
Autor:
Martin Onyeka Okoye, Hak-Man Kim
Publikováno v:
IEEE Access, Vol 10, Pp 34731-34742 (2022)
The blockchain nexus with energy transactions in the distributed energy-trading arena successfully achieved a decentralized transaction and increased security. With the elimination of a third-party middle man, an electronic app is introduced to achie
Externí odkaz:
https://doaj.org/article/5c558a7e2f584cc5beb79e03db645dd0
Publikováno v:
IEEE Access, Vol 10, Pp 88798-88811 (2022)
The energy management systems used in microgrid systems are either centralized or decentralized. The centralized method is easy to implement, but has low reliability and it is computationally intensive due to its reliance on a single control unit. Th
Externí odkaz:
https://doaj.org/article/f0d61dadbb69443ab29ed2c48cf51188
Publikováno v:
Energies, Vol 16, Iss 17, p 6359 (2023)
The growing penetration of electric vehicles (EVs) introduces both opportunities and challenges for power grid operators. Incentivization is considered a viable option to tempt EV owners to participate in supporting the grid during peak load interval
Externí odkaz:
https://doaj.org/article/dca1d04592a545cab7f7e3b8de882601
Autor:
Thai-Thanh Nguyen, Hak-Man Kim
Publikováno v:
IEEE Access, Vol 9, Pp 4630-4641 (2021)
A large number of wind turbine generators in the large-scale offshore wind farm system poses a challenge to the wind farm control system due to the computational burden in the central control methods or the complexity of the communication network in
Externí odkaz:
https://doaj.org/article/25fa93ad19304f2fbf1daec0969c3f96
Publikováno v:
IEEE Access, Vol 8, Pp 78151-78165 (2020)
The existing distributed operation schemes for microgrids lack the ability to determine the power selling to the grid during normal operation mode and are unable to provide service reliability to critical loads, during islanded operation mode. In ord
Externí odkaz:
https://doaj.org/article/b01cd384902d446a90cbcbece7836351
Autor:
Thai-Thanh Nguyen, Hak-Man Kim
Publikováno v:
IEEE Access, Vol 8, Pp 149555-149568 (2020)
This paper proposed a distributed reactive power coordination and voltage control of offshore wind farm based on the leader-following diffusion algorithm. Designating several wind turbine generators (WTGs) as the leaders to receive the information of
Externí odkaz:
https://doaj.org/article/0b1a68c453db4483809d314c64c1fde7
Publikováno v:
IEEE Access, Vol 8, Pp 173136-173146 (2020)
In the conventional operation of a wind farm (WF) system, the operation point of each wind turbine generator (WTG) is determined to capture maximum energy individually using maximum power point tracking (MPPT) algorithm. However, this operation strat
Externí odkaz:
https://doaj.org/article/13e06870d0024b7eb78cf1e45f3d3718
Publikováno v:
Journal of Animal Science and Technology, Vol 61, Iss 6, Pp 371-378 (2019)
The purpose of this study was to investigate the effects of group combined intervention that combined animal-assisted therapy and integrated elderly play therapy on the depression, self-esteem, and emotional expression of geriatric patients residi
Externí odkaz:
https://doaj.org/article/9a2aca122b4b4cb19a7726d6b3193a1d