Search Results - "Byongjun Lee"

Estimation of maximum non‐synchronous generation of renewable energy in the South Korea power system based on the minimum level of inertia by Im, Seunghyuk, Lee, Kyungsang, Lee, Byongjun

“…Managing the output of renewable energy sources considering their uncertainty and variability is crucial for resilience in power system operation. In addition,…”
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Impact analysis of recovery ramp rate after momentary cessation in inverter‐based distributed generators on power system transient stability by Kang, Sungwoo, Shin, Heewon, Jang, Gilsoo, Lee, Byongjun

“…The global increase in the use of solar photovoltaics and wind turbines has led to a rapid increase in the penetration level of inverter‐based distributed…”
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BESS Deployment Strategy in Jeju Carbon-Free Islands for Reducing Renewable Energy Curtailment by Lee, Changgun, Im, Seunghyuk, Jung, Jaeyeop, Lee, Byongjun

“…Renewable energy curtailment often occurs to accommodate large amounts of renewable energy sources in power systems while maintaining system stability and…”
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Evaluation of inertia resource for securing nadir frequency in HVDC interconnected system with high penetration of RES by Jung, Jaeyeop, Park, Jeonghoo, Lee, Hwanik, Lee, Byongjun

“…For power systems to manage a variety of renewable energy sources while securing system stability and reliability, more resources are required. However, due to…”
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Prediction of renewable energy hosting capacity using multiple linear regression in KEPCO system by Lee, Kyungsang, Im, Seunghyuk, Lee, Byongjun

“…In order to prepare measures for the stable operation of the power system to expand renewable energy, the renewable energy hosting capacity (HC) in the system…”
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A data-driven frequency criteria assessment by determining system minimum level of inertia by Lee, Kyungsang, Im, Seunghyuk, Lee, Byongjun

“…The generation of inverter-based renewable energy affects system frequency and is limited by frequency criteria. In a power system with two or more criteria,…”
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Determining the Capacity Limit of Inverter-Based Distributed Generators in High-Generation Areas Considering Transient and Frequency Stability by Shin, Heewon, Jung, Jaeyeop, Lee, Byongjun

“…The responses of an inverter-based distributed generator (IBDG) to abnormal voltage and frequency are different from those of a conventional generator owing to…”
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Examination of fast frequency response capacity requirements considering frequency ride-through capabilities in distributed generators with legacy inverters by Kang, Sungwoo, Shin, Heewon, Lee, Byongjun, Lee, Dongyeong, Jang, Gilsoo

“…Given the rapid increase in inverter-based distributed generators (IBDGs), their response and subsequent impacts on power system stability during abnormal…”
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Steady-state inertia estimation using a neural network approach with modal information by Schmitt, Andreas, Byongjun Lee

“…The inertia of a power grid plays a significant role in maintaining the stability of a system. If the inertia is large enough, stable operating conditions can…”
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Extended Geometric Feature Extraction Process for Detecting Multiple Frequency Oscillations in KEPCO System by Cho, Hwanhee, Choi, Namki, Nam, Suchul, Lee, Byongjun

“…In this study, a new algorithm dealing with time-varying modes for determining and tracing multiple frequency oscillations in power systems is proposed…”
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Development of Floquet Multiplier Estimator to Determine Nonlinear Oscillatory Behavior in Power System Data Measurement by Choi, Namki, Cho, Hwanhee, Lee, Byongjun

“…Measurement-based technology has been developed in the area of power transmission systems with phasor measurement units (PMU). Using high-resolution PMU data,…”
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Oscillation Recognition Using a Geometric Feature Extraction Process Based on Periodic Time-Series Approximation by Cho, Hwanhee, Choi, Namki, Lee, Byongjun

“…Oscillations may cause both economic and technical problems such as a reduction in overall system reliability. Therefore, detecting and preventing oscillatory…”
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Advanced Reactive Power Reserve Management Scheme to Enhance LVRT Capability by Lee, Hwanik, Bae, Moonsung, Lee, Byongjun

“…The converter helps in decoupling mechanical and electrical frequencies, and making variable-speed operation possible. Because the Type-3 Wind Turbine…”
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A Novel Operation Strategies for Shunt-Type FACTS Controllers in the KEPCO System by Byunghoon Chang, Byongjun Lee, Chow, J.H.

“…In this letter, the application schemes for a coordinated control system of multiple FACTS controllers are presented to enhance the voltage stability around…”
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Optimal Capacity Estimation Method of the Energy Storage Mounted on a Wireless Railway Train for Energy-Sustainable Transportation by Kim, Jaewon, Kim, Joorak, Lee, Changmu, Kim, Gildong, Lee, Hansang, Lee, Byongjun

“…Although electric railway systems have gone through many technological innovations in their electrical, mechanical and structural engineering since the energy…”
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A hybrid superconducting fault current limiter for enhancing transient stability in Korean power systems by Seo, Sangsoo, Kim, Seog-Joo, Moon, Young-Hwan, Lee, Byongjun

“…•We model a hybrid SFCL which solves a late recovery time after quenching.•We examine the hybrid SFCL to the Dangjin multi-unit power plant in Korea.•The…”
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Frequency-Shift Acceleration Control for Anti-Islanding of a Distributed-Generation Inverter by Kim, Seul-Ki, Jeon, Jin-Hong, Ahn, Jong-Bo, Lee, Byongjun, Kwon, Sae-Hyuk

“…This paper proposes frequency-shift acceleration control for anti-islanding of an inverter-based distributed generator. The proposed control is based on…”
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Study of the Effectiveness of a Korean Smart Transmission Grid Based on Synchro-Phasor Data of K-WAMS by Kim, Jihun, Lee, Byongjun, Han, Sangwook, Shin, Jeong-Hoon, Kim, Taekyun, Kim, Sangtae, Moon, Younghwan

“…Recent technological achievement in areas of distributed computing, networking, high speed communications and digital control, as well as the availability of…”
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Protective relay system for the first demonstration of the HTS cable and the SFCL in live grid in Korea by Lee, Seung Ryul, Yoon, Jaeyoung, Yang, Byeong-mo, Lee, Byongjun

“…•A novel protection system is proposed to apply 22.9kV HTS cable and SFCL to Korea.•HTS characteristics and protective coordination are considered in the…”
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Specifications of the 22.9 kV SFCL Considering Protection Systems in Korean Power Distribution System by SEUN RYUL LEE, YOON, Jae-Young, YANG, Byeongmo, LEE, Byongjun

“…The GENI project for applying the 22.9 kV HTS cable and the SFCL to real power system has been progressed in South Korea since 2008. The HTS power devices were…”
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