A5019557504- Microgrid Control and Optimization
- Smart Grid Energy Management
- Building Energy and Comfort Optimization
- Optimal Power Flow Distribution
- Energy Efficiency and Management
- Electric Vehicles and Infrastructure
- Advanced Battery Technologies Research
- Electric Power System Optimization
- Integrated Energy Systems Optimization
- Education and Learning Interventions
- Power System Reliability and Maintenance
- Energy, Environment, and Transportation Policies
- Engineering Applied Research
- Membrane Separation Technologies
- Wind Turbine Control Systems
- Energy and Environmental Systems
- HVDC Systems and Fault Protection
- Sports Dynamics and Biomechanics
- Health Systems, Economic Evaluations, Quality of Life
- Energy Harvesting in Wireless Networks
- Online and Blended Learning
- Photovoltaic System Optimization Techniques
- Solar Radiation and Photovoltaics
- Wind Energy Research and Development
- Power Systems Fault Detection
Gachon University
2015-2024
Konkuk University
2024
Suzhou Polytechnic Institute of Agriculture
2021
ORCID
2020
Hoseo University
2016
Eli Lilly (United Kingdom)
2010-2013
University of Strathclyde
2010-2012
London School of Economics and Political Science
2010-2011
Kyungdong University
1995-2011
Deleted Institution
2011
This paper proposes a temporary frequency-support scheme of doubly fed induction generator (DFIG) that can improve the frequency nadir while ensuring rapid stabilization, particularly for high wind power penetration levels (WPPLs). Upon detecting disturbance, reference is increased by incremental and maintained preset period. The proposed varies with rotor speed WPPL. Then, to force converge stable operating range, decreases speed. During deceleration period, releases less kinetic energy,...
Definitive optimization algorithms are not able to solve high dimensional problems when the search space grows exponentially with problem size, and an exhaustive also becomes impractical. To encounter this problem, researchers use approximation algorithms. A category of is meta-heuristic which have shown acceptable degree efficiency kind problems. Social Mimic Optimization (SMO) algorithm a recently proposed used optimize continuous solution space. It by following behavior people in society....
Accurate assessment of metrics such as state health (SOH) is paramount importance in effective battery management systems (BMS), given the propensity batteries to experience capacity degradation with aging. This research endeavors significantly enhance precision estimation by effectively mitigating inherent uncertainties associated charge (SOC) and measurement. To address this challenge, we introduce an innovative approach leveraging bald eagle search algorithm (BES), a method inspired...
In a future power system featuring significant renewable generation, the ability to manipulate domestic demand through flexible operation of heat-led technologies such as heat pumps and micro-combined could be critical factor in providing secure stable supply electrical energy. Using simulation-based approach, this study examined linkage between thermal characteristics buildings scope for flexibility operating times air source pumps. This was assessed against resulting impact on end-user’s...
Wi-Fi networks are widely deployed for provision of Internet-centric data services. Since the inception network in 1997 with its technical specification rooted IEEE 802.11 standard, much progress higher throughput has been made. Currently popular 802.11n 2.4/5 GHz can deliver 600 Mb/s over a 40 MHz channel, which works well most types services, and later version based on 802.11ac is able to transmit at about 7 Gb/s. A simple configuration consisting an AP multiple stations bidirectional...
In a quest to solve the multi-objective optimal planning problem using simple parameter-free metaheuristic algorithm, this paper establishes recently proposed student psychology-based optimization (SPBO) algorithm as most promising one, comparing it with other two popular nonparametric algorithms, i.e., symbiotic organisms search (SOS) and Harris hawk (HHO). A novel framework (with suitable weights) is real power loss minimization index, bus voltage variation system stability maximization...
Objectives The purpose of this study is to examine the challenges faced by school counselors when providing counseling students experiencing maladjustment, and explore support strategies address these difficulties. Methods From August 1 September 3, 2023, a survey was conducted with sample 54 selected through random sampling. data were analyzed using SPSS WIN 22.0, frequency (N) percentage (%) calculated for multiple-choice items. Additionally, six participants recruited in-depth one-on-one...
Improving the stability of power systems using FACT devices is an important and effective method. This paper uses a static synchronous series compensator (SSSC) installed in system to smooth out inter-area oscillations. A meta-heuristic optimization method proposed design supplementary damping controller its installation control channel within SSSC. In this method, two channels, phase magnitude have been investigated for installing improve maximum resistance different operating conditions....
The appropriate design of the power oscillation damping controllers guarantees that distributed energy resources and sustainable smart grids deliver excellent service subjected to big data for planned maintenance renewable energy. Therefore, main target this study is suppress low-frequency oscillations due disruptive faults heavy load disturbance conditions. considered system comprises two interconnected hydroelectric areas with solar penetrations, severely impacting stabilizers. When...
Due to environmental impacts and the need for energy efficiency, cement industry aims make more durable sustainable materials with less requirements without compromising mechanical properties based on UN Sustainable Development Goals 9 11. Carbon dioxide (CO2) emission into atmosphere is mostly result of human-induced activities causes dangerous by increasing average temperature earth. Since production ordinary Portland (PC) a major contributor CO2 emissions, this study proposes...
This study presents a new approach for voltage sag assessment based on the concept of 'area severity' (AOS). The network regions, where fault occurrences will simultaneously lead to sags at different sensitive load points, can be determined by performing an AOS analysis. impact rankings lines and buses are also addressed. according contribution degree each line bus faults total expected number in power system. concepts ranking useful establishing efficient planning mitigation sags,...
This work focuses on the design and analysis of wind flow modifier (WFM) modeling a vertical axis turbine (VAWT) for low profile urban areas. A simulation is carried out to examine performance an efficient aspect ratio C-shaped rotor proposed involute-type rotor. Further, WFM model adapted with stack decreased diameter tubes from inlet outlet. It accelerates velocity, its effectiveness examined involute turbine. Numerical performed realizable K-ε monitor blade in computational fluid dynamics...
In this paper, we outline the Grid 2.0 Research, a collaborative Smart research program between Gachon Energy Research Institute (GERI) of Kyungwon University and Bell Labs Alcatel-Lucent. Salient features are active role distributed fixed mobile energy storage, renewable sources, load-side participation. Our focus is not on storage itself but rather supporting infrastructure including communication network, security, economics Grid. views as an ecosystem. regard, pay close attention to...
A holy grail of curing neurodegenerative diseases is to identify the main causes and mechanisms underlying neuronal death. Many studies have sought these targets in a wide variety ways, but more important task critical molecular their origins. Potential include advanced glycation end products (AGEs) that can promote cell death, thereby contributing disorders such as Alzheimer disease or Parkinson disease. In this study, we showed AGE-albumin (glycated albumin) synthesized microglial cells...
Optimal planning of renewable energy generator (REG) units helps to meet future power demand with improved flexibility. Hence, this paper proposes a grid-oriented genetic algorithm (GOGA) based on hybrid combination (GA) and solution using analytical flow equations for optimal sizing placement REG in system network. The objective the GOGA is loss minimization flexibility improvement. function expresses losses as generated by different generators, Kron equation. A index (FI) proposed evaluate...
This paper presents a method of obtaining transmission network equivalents from the network's response to pulse excitation signal. The proposed is based on modal decomposition representation for large-scale interconnected system. In this framework we use Prony analysis identify function system and decompose large into parallel combination simple first-order systems. As result can be identified easily, Thevenin-type discrete-time filter model generated. It reproduce driving-point impedance...