Experimental validation of fault identification in VSC-based DC grid system

N Geddada, YM Yeap, A Ukil - IEEE Transactions on Industrial …, 2017 - ieeexplore.ieee.org
DC system has come a long way to shift the direction of power transmission in future. With
respect to that, the protection is still one of the hot topics that need to be addressed …

Efficiency comparison of DC and AC microgrid

U Manandhar, A Ukil… - 2015 IEEE Innovative …, 2015 - ieeexplore.ieee.org
As the number of DC loads are growing in our daily uses, the low voltage DC (LVDC)
distribution system is becoming important. Power supplied through the low voltage AC …

Fault detection in HVDC system using short time fourier transform

YM Yeap, A Ukil - 2016 IEEE Power and Energy Society …, 2016 - ieeexplore.ieee.org
The protection of HVDC system is an important topic for stable transmission. When fault
happens, DC breaker opens the circuit electronically unlike AC breaker, therefore, its …

Wavelet based fault analysis in HVDC system

YM Yeap, A Ukil - IECON 2014-40th Annual Conference of the …, 2014 - ieeexplore.ieee.org
HVDC system has become practically mature over the years but it is still met with some
protection issues which should be discussed, for example, the circuit breaker (CB) should be …

Fault location estimation for VSC-HVDC system using Artificial Neural Network

S Vasanth, YM Yeap, A Ukil - 2016 IEEE Region 10 Conference …, 2016 - ieeexplore.ieee.org
Recent developments in high voltage direct current (HVDC) transmission have had a
positive impact on the research community. HVDC transmission offers superior power …

AC spectrum analysis for detecting DC faults on HVDC systems

MZ Elgeziry, MA Elsadd, NI Elkalashy… - … Middle East Power …, 2017 - ieeexplore.ieee.org
This paper analyzes the impacts of Direct Current (DC) faults on the AC side for Voltage
Source Converter (VSC)-based High Voltage Direct Current (HVDC) systems. This aims to …

Short-circuit protection for MV & LVDC grid

KC Lee, A Ukil, YM Yeap - 2014 IEEE PES Asia-Pacific Power …, 2014 - ieeexplore.ieee.org
A DC medium voltage (MV) and low voltage (LV) power distribution network will be
proposed and the protection aspects will be discussed in this paper. This paper is mainly …

STFT analysis of high frequency components in transient signals in multi-terminal HVDC system

YM Yeap, A Ukil, N Geddada - IECON 2016-42nd Annual …, 2016 - ieeexplore.ieee.org
High voltage DC (HVDC) system is important transmission technology, with several
advantages over the AC transmission system. Transient analysis plays an important role in …

Operation Algorithm for Protection Coordination Device in High-Voltage Customer with ESS for Demand Management

SM Choi, BG Han, MY Kim, DS Rho - Energies, 2022 - mdpi.com
Installations of an Energy Storage System (ESS) with various functions such as power
stabilization of renewable energy, demand management, and frequency adjustment are …

Fault detection in HVDC transmission line by S-transform technique

K Singh, A Ukil - 2019 IEEE PES Asia-Pacific Power and …, 2019 - ieeexplore.ieee.org
Consumption of electrical energy has increased many folds in the recent time due to its use
for industrial, commercial, agricultural, domestic and social purposes. HVDC technology is …