Mitigation of voltage unbalance by using static load transfer switch in bipolar low voltage DC distribution system

GH Gwon, CH Kim, YS Oh, CH Noh, TH Jung… - International Journal of …, 2017 - Elsevier
In this paper, a method is proposed to mitigate voltage unbalance and to reduce power loss
due to neutral current in a bipolar Low-Voltage DC (LVDC) distribution system by using a …

Voltage regulation method for voltage drop compensation and unbalance reduction in bipolar low-voltage DC distribution system

TH Jung, GH Gwon, CH Kim, J Han… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Owing to the development of highly efficient electric power converters, the number of studies
on the construction of low-voltage dc (LVDC) systems is gradually increasing. To use LVDC …

Fault detection scheme based on mathematical morphology in last mile radial low voltage DC distribution networks

YS Oh, CH Kim, GH Gwon, CH Noh… - International Journal of …, 2019 - Elsevier
This paper presents a fast fault detection scheme based on mathematical morphology (MM),
which is a nonlinear signal transformation tool in a time-domain, in order to avoid the …

Development of protective schemes for hybrid AC/DC low-voltage distribution system

CH Noh, CH Kim, GH Gwon, MO Khan… - International Journal of …, 2019 - Elsevier
As the interest in DC-based power system increases, the low-voltage DC (LVDC) distribution
system is gaining attention. Until now, however, the related studies and developments are …

A load flow analysis for AC/DC hybrid distribution network incorporated with distributed energy resources for different grid scenarios

MO Khan, S Zaman Jamali, CH Noh, GH Gwon… - Energies, 2018 - mdpi.com
With the recent developments in power electronics technologies, increased deployment of
distributed energy resources (DER) with DC output type at distribution voltage levels and …

New protection method considering fault section in LVDC distribution system with PV system

HC Seo, GH Gwon, KW Park - Journal of Electrical Engineering & …, 2023 - Springer
The low voltage direct current (LVDC) distribution system is attracting attention for several
reasons such as an increase in connection of renewable energy and energy storage system, …

Analysis of efficiency for AC and DC load in LVDC distribution system

GH Gwon, DU Kim, YS Oh, J Han, CH Kim - 2014 - IET
In modern power system, the use of electronic devices continues to increase annually.
Power conversions using these devices result in loss of power unfortunately. Recently, new …

Modeling and analysis of a low-voltage DC distribution system

J Han, YS Oh, GH Gwon, DU Kim, CH Noh, TH Jung… - Resources, 2015 - mdpi.com
It is well known that the Low-Voltage DC (LVDC) distribution system is a promising topology
as a future smart distribution system due to its high efficiency and reliability. However, there …

Development of fault section identification technique for low voltage DC distribution systems by using capacitive discharge current

CH Noh, CH Kim, GH Gwon… - Journal of Modern Power …, 2018 - ieeexplore.ieee.org
The increasing importance of energy efficiency has led to several studies related to the
construction of a reliable low voltage DC (LVDC) distribution system. Specifically, studies on a …

Modeling of Load Element for a Low Voltage DC Distribution System

GH Gwon, J Han, YS Oh, ES Kim… - Journal of the Korean …, 2014 - koreascience.kr
At the end of the 19th century, a battle known as the War of the Currents was fought over how
electricity would be generated, delivered, and utilized. In this day and age, there has been …